fix: Race condition with async queue.

* sidv/tsMermaid:
  feat: New diagrams
  Rename samples
  Remove mermaid types
  Mermaid 9.2.0-rc1

.dockerignore

@@ -2,13 +2,4 @@
 **/.git
 **/.svelte-kit
 **/dist
-**/docs
+**/docs
-
-**/.github
-**/.husky
-**/.vscode
-
-Dockerfile
-.dockerignore
-docker-compose.yml
-README.md

.env

@@ -1,9 +0,0 @@
-MERMAID_DOMAIN=''
-MERMAID_BASE_PATH=''
-MERMAID_DOCS_URL='https://mermaid.js.org'
-MERMAID_ANALYTICS_URL=''
-MERMAID_RENDERER_URL='https://mermaid.ink'
-MERMAID_KROKI_RENDERER_URL='https://kroki.io'
-MERMAID_IS_ENABLED_MERMAID_CHART_LINKS='true'
-
-# cp .env .env.local to make local changes

.eslintignore

@@ -0,0 +1,8 @@
+docs/**
+.svelte-kit/**
+static/**
+build/**
+node_modules/**
+coverage/**
+__snapshots__/**
+snapshots.js

.eslintrc.cjs

@@ -0,0 +1,50 @@
+module.exports = {
+	root: true,
+	parser: '@typescript-eslint/parser',
+	extends: [
+		'eslint:recommended',
+		'plugin:@typescript-eslint/recommended',
+		// 'plugin:@typescript-eslint/recommended-requiring-type-checking',
+		'prettier'
+	],
+	plugins: ['svelte3', 'tailwindcss', '@typescript-eslint', 'es', 'vitest'],
+	ignorePatterns: [
+		'docs/*',
+		'*.cjs',
+		'*.js',
+		'*.md',
+		'snapshots.js',
+		'svelte.config.js',
+		'renovate.json',
+		'package.json',
+		'tsconfig.json'
+	],
+	overrides: [{ files: ['*.svelte'], processor: 'svelte3/svelte3' }],
+	settings: {
+		'svelte3/typescript': () => require('typescript')
+	},
+	parserOptions: {
+		sourceType: 'module',
+		ecmaVersion: 2020,
+		tsconfigRootDir: __dirname,
+		project: ['./tsconfig.json'],
+		extraFileExtensions: ['.svelte'],
+		allowAutomaticSingleRunInference: true
+	},
+	env: {
+		browser: true,
+		es2020: true
+	},
+	rules: {
+		'@typescript-eslint/ban-ts-comment': [
+			'error',
+			{
+				'ts-ignore': 'allow-with-description'
+			}
+		],
+		'@typescript-eslint/no-unsafe-member-access': 'off',
+		'@typescript-eslint/no-unsafe-assignment': 'off',
+		'es/no-regexp-lookbehind-assertions': 'error',
+		curly: ['error', 'all']
+	}
+};

.git-blame-ignore-revs

@@ -1,5 +0,0 @@
-# .git-blame-ignore-revs
-# Prettier Pass
-6fde9e22a3ba0b80879a1909fb233367ef20b738
-# Tabs -> Spaces
-0ac606b8fbf6f94215cbda1d4511e2dcd30e4655

.github/FUNDING.yml

@@ -1 +0,0 @@
-github: [sidharthv96, knsv]

.github/pull_request_template.md

@@ -12,6 +12,6 @@ Describe the way your implementation works or what design decisions you made if
 
 Make sure you
 
-- [ ] :book: have read the [contribution guidelines](https://mermaid.js.org/community/contributing.html)
+- [ ] :book: have read the [contribution guidelines](https://github.com/mermaid-js/mermaid/blob/master/CONTRIBUTING.md)
 - [ ] :computer: have added unit/e2e tests (if appropriate)
 - [ ] :bookmark: targeted `develop` branch

.github/workflows/deploy.yml

@@ -14,49 +14,25 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
 
-      - name: Install pnpm
+      - uses: actions/setup-node@v3
-        uses: pnpm/action-setup@v4
-
-      - uses: actions/setup-node@v4
         with:
-          node-version-file: '.node-version'
+          node-version: '16'
-          cache: pnpm
+          cache: yarn
-
-      - name: Setup Pages
-        uses: actions/configure-pages@v5
-        with:
-          static_site_generator: sveltekit
 
       - name: Build & Deploy
-        env:
-          MERMAID_DOMAIN: 'mermaid.live'
-          MERMAID_ANALYTICS_URL: 'https://p.mermaid.live'
-          MERMAID_RENDERER_URL: 'https://mermaid.ink'
-          MERMAID_KROKI_RENDERER_URL: 'https://kroki.io'
-          MERMAID_IS_ENABLED_MERMAID_CHART_LINKS: 'true'
         run: |
           export DEPLOY=true
           [ "$GITHUB_EVENT_NAME" != "pull_request" ] && rm -rf docs/_app/
-          pnpm install
+          yarn install
-          pnpm build
+          version=$(yarn version --patch --no-git-tag-version | grep "New version" | cut -d':' -f 2)
+          yarn build
+          yarn run lint
+          cd ..
 
-      - name: Upload artifact
+      - name: Deploy
-        uses: actions/upload-pages-artifact@v3
+        uses: peaceiris/actions-gh-pages@v3
+        if: ${{ github.ref == 'refs/heads/master' }}
         with:
-          path: ./docs
+          github_token: ${{ secrets.GITHUB_TOKEN }}
-
+          publish_dir: ./docs
-  deploy:
+          keep_files: true
-    if: ${{ github.ref == 'refs/heads/master' }}
-    needs: build
-    runs-on: ubuntu-latest
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-    # Grant GITHUB_TOKEN the permissions required to make a Pages deployment
-    permissions:
-      pages: write # to deploy to Pages
-      id-token: write # to verify the deployment originates from an appropriate source
-    steps:
-      - name: Deploy to GitHub Pages
-        id: deployment
-        uses: actions/deploy-pages@v4

.github/workflows/docker-publish.yml

@@ -2,11 +2,13 @@ name: Docker
 
 on:
   push:
+    # Publish `master` as Docker `latest` image.
     branches:
-      # Publish `master` as Docker `latest` image.
       - master
-      # Publish `develop` as Docker `nightly` image.
+
-      - develop
+    # Publish `v1.2.3` tags as releases.
+    tags:
+      - v*
 
   # Run tests for all PRs to master and develop.
   pull_request:
@@ -14,46 +16,54 @@ on:
       - master
       - develop
 
+env:
+  IMAGE_NAME: mermaid-live-editor
+
 jobs:
-  docker:
+  test:
     runs-on: ubuntu-latest
-    permissions:
+
-      contents: read
-      packages: write
-      attestations: write
-      id-token: write
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v3
-      - uses: docker/setup-qemu-action@v3
+
-      - uses: docker/setup-buildx-action@v3
+      - name: Run tests
-      - name: Login to GitHub Container Registry
+        run: |
-        if: github.event_name == 'push'
+          docker build . --file Dockerfile
-        uses: docker/login-action@v3
+
-        with:
+  push:
-          registry: ghcr.io
+    # Ensure test job passes before pushing image.
-          username: ${{ github.repository_owner }}
+    needs: test
-          password: ${{ secrets.GITHUB_TOKEN }}
+
-      - uses: docker/metadata-action@v5
+    runs-on: ubuntu-latest
-        id: meta
+    if: github.event_name == 'push'
-        with:
+
-          images: ghcr.io/${{ github.repository }}
+    steps:
-          tags: |
+      - uses: actions/checkout@v3
-            type=raw,value=latest,enable=${{ github.ref_name == 'master' }}
+
-            type=raw,value=nightly,enable=${{ github.ref_name == 'develop' }}
+      - name: Build image
-      - uses: docker/build-push-action@v5
+        run: docker build . --file Dockerfile --tag $IMAGE_NAME
-        id: build
+
-        with:
+      - name: Log into registry
-          context: .
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin
-          target: mermaid
+
-          push: ${{ github.event_name == 'push' }}
+      - name: Push image
-          platforms: linux/amd64,linux/arm64
+        run: |
-          pull: true
+          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME
-          tags: ${{ steps.meta.outputs.tags }}
+
-          labels: ${{ steps.meta.outputs.labels }}
+          # Change all uppercase to lowercase
-      - name: Generate Build Attestation
+          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
-        uses: actions/attest-build-provenance@v2
+
-        with:
+          # Strip git ref prefix from version
-          subject-name: ghcr.io/${{ github.repository }}
+          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
-          subject-digest: ${{ steps.build.outputs.digest }}
+
-          push-to-registry: true
+          # Strip "v" prefix from tag name
-        if: github.event_name == 'push'
+          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
+
+          # Use Docker `latest` tag convention
+          [ "$VERSION" == "master" ] && VERSION=latest
+
+          echo IMAGE_ID=$IMAGE_ID
+          echo VERSION=$VERSION
+
+          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
+          docker push $IMAGE_ID:$VERSION

.github/workflows/release-pr.yml

@@ -1,21 +0,0 @@
-name: Create release pull request
-on:
-  push:
-    branches:
-      - develop
-jobs:
-  productionPromotion:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v3
-        with:
-          ref: master
-      - name: Reset promotion branch
-        run: |
-          git fetch origin develop:develop
-          git reset --hard develop
-      - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v5
-        with:
-          branch: release-promotion
-          title: Release live editor

.github/workflows/stale.yml

@@ -0,0 +1,20 @@
+name: Mark stale issues and pull requests
+
+on:
+  schedule:
+    - cron: '0 0 * * 4'
+
+jobs:
+  stale:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/stale@v5
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          exempt-issue-labels: 'retained'
+          exempt-pr-labels: 'retained'
+          stale-issue-message: 'This issue is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 30 days'
+          stale-pr-message: 'This pr is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 30 days'
+          days-before-stale: 90
+          days-before-close: 30
+          days-before-pr-close: -1

.github/workflows/tests.yml

@@ -5,51 +5,46 @@ on:
     branches:
       - master
       - develop
-  merge_group:
 
 jobs:
-  playwright:
+  cypress-run:
-    name: 'Playwright Tests'
     runs-on: ubuntu-latest
-    container:
+    strategy:
-      image: mcr.microsoft.com/playwright:v1.52.0-jammy
+      fail-fast: false
+      matrix:
+        # run 3 copies of the current job in parallel
+        containers: [1, 2, 3]
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@v3
-        id: pnpm-and-build-cache
+        id: yarn-and-build-cache
         with:
           path: |
+            ~/.cache/Cypress
             build
             node_modules
-          key: ${{ runner.os }}-node_modules-build-${{ hashFiles('**/pnpm-lock.yaml') }}
+          key: ${{ runner.os }}-node_modules-build-${{ hashFiles('**/yarn.lock') }}
           restore-keys: |
             ${{ runner.os }}-node_modules-build-
 
-      - name: Install pnpm
+      - uses: actions/setup-node@v3
-        uses: pnpm/action-setup@v4
-
-      - uses: actions/setup-node@v4
         with:
-          node-version-file: '.node-version'
+          node-version: 16
-          cache: 'pnpm'
+          cache: 'yarn'
 
-      - name: Install dependencies
+      # Install NPM dependencies, cache them correctly
-        run: pnpm install
+      # and run all Cypress tests
-
+      - name: Cypress run
-      - name: Build
+        uses: cypress-io/github-action@v3
-        run: pnpm build
+        with:
-
+          build: yarn build
-      - name: Run Playwright tests
+          start: yarn preview
-        run: pnpm test:e2e
+          wait-on: 'http://localhost:3000'
+          record: true
+          headless: true
+          parallel: true
         env:
-          CI: true
+          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
-
-      - uses: actions/upload-artifact@v4
-        if: ${{ !cancelled() }}
-        with:
-          name: test-results
-          path: test-results/
-          retention-days: 7

.github/workflows/unit-tests.yml

@@ -5,7 +5,6 @@ on:
     branches:
       - master
       - develop
-  merge_group:
 
 jobs:
   unit-tests:
@@ -16,28 +15,22 @@ jobs:
         uses: actions/checkout@v3
 
       - uses: actions/cache@v3
-        id: pnpm-and-build-cache
+        id: yarn-and-build-cache
         with:
           path: |
             build
             node_modules
-          key: ${{ runner.os }}-node_modules-build-${{ hashFiles('**/pnpm-lock.yaml') }}
+          key: ${{ runner.os }}-node_modules-build-${{ hashFiles('**/yarn.lock') }}
           restore-keys: |
             ${{ runner.os }}-node_modules-build-
 
-      - name: Install pnpm
+      - uses: actions/setup-node@v3
-        uses: pnpm/action-setup@v4
-
-      - uses: actions/setup-node@v4
         with:
-          node-version-file: '.node-version'
+          node-version: 16
-          cache: 'pnpm'
+          cache: 'yarn'
 
-      - name: Install dependencies
+      - name: Lint & Test
-        run: pnpm install
+        run: |
-
+          yarn install
-      - name: Lint
+          yarn lint
-        run: pnpm lint
+          yarn test:unit
-
-      - name: Run unit tests
-        run: pnpm test:unit

.github/workflows/update-browserlist.yml

@@ -1,32 +1,18 @@
-name: Update Browserslist database
+name: Update Browserslist
-
 on:
-  schedule:
+  push:
-    - cron: '0 2 1,15 * *'
+    branches-ignore:
-
+      - 'develop'
-permissions:
+      - 'master'
-  contents: write
-  pull-requests: write
-
 jobs:
-  update-browserslist-database:
+  build:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout repository
+      - uses: actions/checkout@v3
-        uses: actions/checkout@v3
+      - run: npx browserslist@latest --update-db
+      - name: Commit changes
+        uses: EndBug/add-and-commit@v9
         with:
-          fetch-depth: 0
+          author_name: ${{ github.actor }}
-      - name: Configure git
+          author_email: ${{ github.actor }}@users.noreply.github.com
-        run: |
+          message: 'Update Browserslist'
-          git config --global user.email "action@github.com"
-          git config --global user.name "GitHub Action"
-      - name: Update Browserslist database and create PR if applies
-        uses: c2corg/browserslist-update-action@v2
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          branch: browserslist-update
-          base_branch: develop
-          commit_message: 'build: update Browserslist db'
-          title: 'build: update Browserslist db'
-          body: Auto-generated by [browserslist-update-action](https://github.com/c2corg/browserslist-update-action/)
-          labels: 'chores, github action'

.github/workflows/update-monaco-editor.yml

@@ -0,0 +1,25 @@
+name: Update Monaco-editor
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - 'dependabot/npm_and_yarn/develop/monaco-editor-**'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18
+      - name: Update monaco version
+        run: |
+          yarn install
+          node ./bin/update-monaco.js
+      - name: Commit changes
+        uses: EndBug/add-and-commit@v9
+        with:
+          author_name: ${{ github.actor }}
+          author_email: ${{ github.actor }}@users.noreply.github.com
+          message: 'Update Monaco-editor'

.gitignore

@@ -1,17 +1,14 @@
-.DS_Store
+node_modules/
+coverage/
 .cache/
-.env.local
+build/
+yarn-error.log
 .npmrc
+.DS_Store
 /.svelte-kit
 /build
-/coverage
-/docs
 /functions
-/node_modules
 /snapshots.js
-
+/cypress/downloads
-# Playwright
+/cypress/videos
-/test-results/
+/cypress/screenshots
-/playwright-report/
-/blob-report/
-/playwright/.cache/

.husky/pre-commit

@@ -1,4 +1,4 @@
 #!/bin/sh
 . "$(dirname "$0")/_/husky.sh"
 
-pnpm pre-commit
+yarn pre-commit

.node-version

@@ -1 +0,0 @@
-22.15.0

.npmrc

@@ -1,2 +1 @@
 engine-strict=true
-auto-install-peers=true

.prettierignore

@@ -5,5 +5,4 @@ build/**
 node_modules/**
 coverage/**
 __snapshots__/**
-snapshots.js
+snapshots.js
-pnpm-lock.yaml

.prettierrc

@@ -1,9 +1,8 @@
 {
-  "singleQuote": true,
+	"singleQuote": true,
-  "svelteSortOrder": "options-scripts-markup-styles",
+	"svelteSortOrder": "options-scripts-markup-styles",
-  "bracketSameLine": true,
+	"bracketSameLine": true,
-  "trailingComma": "none",
+	"useTabs": true,
-  "printWidth": 100,
+	"trailingComma": "none",
-  "plugins": ["prettier-plugin-svelte", "prettier-plugin-tailwindcss"],
+	"printWidth": 100
-  "tailwindStylesheet": "./src/app.css"
 }

.vscode/launch.json

@@ -1,15 +1,15 @@
 {
-  // Use IntelliSense to learn about possible attributes.
+	// Use IntelliSense to learn about possible attributes.
-  // Hover to view descriptions of existing attributes.
+	// Hover to view descriptions of existing attributes.
-  // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-  "version": "0.2.0",
+	"version": "0.2.0",
-  "configurations": [
+	"configurations": [
-    {
+		{
-      "type": "pwa-chrome",
+			"type": "pwa-chrome",
-      "request": "launch",
+			"request": "launch",
-      "name": "Launch Chrome against localhost",
+			"name": "Launch Chrome against localhost",
-      "url": "http://localhost:3000",
+			"url": "http://localhost:3000",
-      "webRoot": "${workspaceFolder}"
+			"webRoot": "${workspaceFolder}"
-    }
+		}
-  ]
+	]
 }

.vscode/mcp.json

@@ -1,10 +0,0 @@
-{
-  "servers": {
-    "svelte": {
-      "type": "stdio",
-      "command": "npx",
-      "args": ["-y", "@sveltejs/mcp"]
-    }
-  },
-  "inputs": []
-}

.vscode/settings.json

@@ -1,56 +1,9 @@
 {
-  "editor.formatOnSave": true,
+	"editor.formatOnSave": true,
-  "cSpell.blockCheckingWhenLineLengthGreaterThan": 150,
+	"cSpell.words": ["pako", "Serde", "serdes"],
-  "cSpell.words": [
+	"vitest.commandLine": "yarn test:unit",
-    "appinstalled",
+	"vitest.enable": true,
-    "asyncable",
+	"testing.autoRun.mode": "rerun",
-    "Browserslist",
+	"svelte.enable-ts-plugin": true,
-    "ckppp",
+	"githubPullRequests.ignoredPullRequestBranches": ["develop"]
-    "corg",
-    "cssnano",
-    "esserializer",
-    "fsegurai",
-    "gantt",
-    "gitgraph",
-    "KROKI",
-    "localstorage",
-    "mermaidchart",
-    "mindmap",
-    "NEWYEAR",
-    "Pageview",
-    "pako",
-    "panmove",
-    "panstart",
-    "panzoom",
-    "pinchmove",
-    "pinchstart",
-    "pzoom",
-    "roughjs",
-    "sankey",
-    "Serde",
-    "serdes",
-    "Stackable",
-    "tailwindcss",
-    "treemap",
-    "uparrow",
-    "xychart",
-    "zenuml"
-  ],
-  "vitest.commandLine": "pnpm test:unit",
-  "vitest.enable": true,
-  "testing.autoRun.mode": "rerun",
-  "svelte.enable-ts-plugin": true,
-  "githubPullRequests.ignoredPullRequestBranches": ["develop"],
-  "[svelte]": {
-    "editor.defaultFormatter": "svelte.svelte-vscode"
-  },
-  "tailwindCSS.classAttributes": ["class", "className", ".*Classes"],
-  "tailwindCSS.experimental.classRegex": [
-    ["([\"'`][^\"'`]*.*?[\"'`])", "[\"'`]([^\"'`]*).*?[\"'`]"]
-  ],
-  "tailwindCSS.emmetCompletions": true,
-  "editor.codeActionsOnSave": {
-    "source.fixAll.eslint": "explicit",
-    "source.organizeImports": "explicit"
-  }
 }

CNAME

@@ -1 +0,0 @@
-mermaid.live

Dockerfile

@@ -1,37 +1,17 @@
-FROM docker.io/library/node:22.15.0-alpine3.21 AS mermaid-live-editor-dependencies
+# Two-stage  docker container for mermaid-js/mermaid-live-editor
-
+# Build              : docker build -t mermaid-js/mermaid-live-editor .
-RUN apk --no-cache add build-base git python3 && \
+# Run                : docker run --name mermaid-live-editor --publish 8080:80 mermaid-js/mermaid-live-editor
-    rm -rf /var/cache/apk/*
+# Start              : docker start mermaid-live-editor
-
+# Use webbrowser     : http://localhost:8080
-RUN corepack enable pnpm
+# Stop               : press ctrl + c 
-
+#                                     or 
-WORKDIR /app
+#                                        docker stop mermaid-live-editor
-
+FROM node:18.11.0 as mermaid-live-editor-builder 
-COPY ./package.json .
+COPY --chown=node:node . /home
-COPY ./pnpm-lock.yaml .
+WORKDIR /home
-
+RUN yarn install
-RUN pnpm install
+RUN yarn build
-
-FROM mermaid-live-editor-dependencies AS mermaid-live-editor-builder
-
-ARG MERMAID_RENDERER_URL
-ARG MERMAID_KROKI_RENDERER_URL
-ARG MERMAID_ANALYTICS_URL
-ARG MERMAID_DOMAIN
-ARG MERMAID_IS_ENABLED_MERMAID_CHART_LINKS
-ARG MERMAID_PRIVACY_POLICY_URL
-ARG MERMAID_HIDE_PRIVACY_POLICY
-ARG MERMAID_BASE_PATH
-
-COPY . ./
-
-RUN pnpm build
-
-FROM mermaid-live-editor-builder AS mermaid-dev
-
-ENTRYPOINT ["pnpm", "dev"]
-
-FROM nginx:1.28-alpine3.21 AS mermaid
 
+FROM nginx:alpine as mermaid-live-editor-runner
 COPY ./nginx.conf /etc/nginx/conf.d/default.conf
-COPY --from=mermaid-live-editor-builder /app/docs /usr/share/nginx/html
+COPY --from=mermaid-live-editor-builder --chown=nginx:nginx /home/docs /usr/share/nginx/html

Dockerfile.dev

@@ -0,0 +1,8 @@
+FROM node:18
+WORKDIR /app
+COPY package.json .
+COPY yarn.lock .
+RUN npm install
+COPY . .
+RUN ls
+CMD ["yarn", "dev"]

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020 - 2023 Knut Sveidqvist
+Copyright (c) 2020 - 2021 Knut Sveidqvist
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -1,7 +1,10 @@
-[![Join our Discord!](https://img.shields.io/static/v1?message=join%20chat&color=9cf&logo=discord&label=discord)](https://discord.gg/sKeNQX4Wtj)
+[![Mermaid Live Editor](https://img.shields.io/endpoint?url=https://dashboard.cypress.io/badge/detailed/2ckppp/master&style=flat&logo=cypress)](https://dashboard.cypress.io/projects/2ckppp/runs) [![Join our Slack!](https://img.shields.io/static/v1?message=join%20chat&color=9cf&logo=slack&label=slack)](https://join.slack.com/t/mermaid-talk/shared_invite/enQtNzc4NDIyNzk4OTAyLWVhYjQxOTI2OTg4YmE1ZmJkY2Y4MTU3ODliYmIwOTY3NDJlYjA0YjIyZTdkMDMyZTUwOGI0NjEzYmEwODcwOTE)[![Netlify Status](https://api.netlify.com/api/v1/badges/27fa023d-7c73-4a3f-9791-b3b657a47100/deploy-status)](https://app.netlify.com/sites/mermaidjs/deploys)
-[![Netlify Status](https://api.netlify.com/api/v1/badges/27fa023d-7c73-4a3f-9791-b3b657a47100/deploy-status)](https://app.netlify.com/sites/mermaidjs/deploys)
 
-# Mermaid Live Editor
+# Contributors are welcome!
+
+If you want to speed up the progress for mermaid-live-editor, join the slack channel and contact knsv.
+
+# mermaid-live-editor
 
 Edit, preview and share mermaid charts/diagrams.
 
@@ -14,54 +17,25 @@ Edit, preview and share mermaid charts/diagrams.
 
 ## Live demo
 
-You can try out a [live version](https://mermaid.live/).
+You can try out a live version [here](https://mermaid.live/).
-
-# Contributors are welcome!
-
-If you want to speed up the progress for mermaid-live-editor, join the Discord channel and contact knsv.
 
 ## Docker
 
 ### Run published image
 
 ```bash
-docker run --platform linux/amd64 --publish 8000:8080 ghcr.io/mermaid-js/mermaid-live-editor
+docker run --publish 8000:80 ghcr.io/mermaid-js/mermaid-live-editor
 ```
 
-The published docker image is built using our default environment variables. You cannot override them when running the image. If you need to customize them, you will need to build the image yourself.
-
 ### To configure renderer URL
 
-When building set the MERMAID_RENDERER_URL build argument to the rendering
+When building, Set the Environment variable MERMAID_RENDERER_URL to the rendering service.
-service.
+Default is `https://mermaid.ink`
-Example:
-Default is`https://mermaid.ink`.
-Set to empty string to disable PNG and SVG links under Actions
 
 ### To configure Kroki Instance URL
 
-When building set the MERMAID_KROKI_RENDERER_URL build argument to your Kroki
+When building, Set the Environment variable MERMAID_KROKI_RENDERER_URL to your Kroki instance.
-instance.
 Default is `https://kroki.io`
-Set to empty string to disable Kroki link under Actions
-
-### To configure Analytics
-
-When building set the MERMAID_ANALYTICS_URL build argument to your plausible instance, and MERMAID_DOMAIN to your domain.
-
-Default is empty, disabling analytics.
-
-### To enable Mermaid Chart links and promotion
-
-When building set the MERMAID_IS_ENABLED_MERMAID_CHART_LINKS build argument to `true`
-
-Default is empty, disabling button to save to Mermaid Chart and promotional banner.
-
-### To update the Security modal
-
-The modal shown on clicking the security link assumes analytics, renderer, Kroki
-and Mermaid chart are enabled. You can update it by modifying `Privacy.svelte`
-if you wish.
 
 ### Development
 
@@ -69,46 +43,22 @@ if you wish.
 docker compose up --build
 ```
 
-Then open http://localhost:3000
+Then open http://localhost:8000
-
-### Building and running images locally
-
-#### Build
-
-```bash
-docker build -t mermaid-js/mermaid-live-editor .
-```
-
-#### Run
-
-```bash
-docker run --detach --name mermaid-live-editor --publish 8080:8080 mermaid-js/mermaid-live-editor
-```
-
-Visit: <http://localhost:8080>
-
-#### Stop
-
-```bash
-docker stop mermaid-live-editor
-```
 
 ## Setup
 
-Below link will help you making a copy of the repository in your local system.
+[Volta](https://volta.sh) is used for managing node and yarn versions.
 
-https://docs.github.com/en/get-started/quickstart/fork-a-repo
+This project is set up using [Yarn](https://classic.yarnpkg.com/en/docs/getting-started):
 
-## Requirements
+```
-
+yarn install
-- [Node.js](https://nodejs.org/en/) current LTS version
+```
-- [pnpm](https://pnpm.io/) package manager. Install with `corepack enable pnpm`
 
 ## Development
 
-```sh
+```
-pnpm install
+yarn dev -- --open
-pnpm dev -- --open
 ```
 
 This app is created with Svelte Kit.

bin/beta-release

@@ -6,7 +6,7 @@
 # git clone https://github.com/mermaid-js/docs.git
 set -e
 rm -rf docs
-pnpm release
+yarn release
 pushd .
 if [ ! -d ../docs ]; then
   echo "Clone https://github.com/mermaid-js/docs to parent folder before continuing." 

bin/update-monaco.js

@@ -9,37 +9,37 @@ const monacoVersion = packageJson.dependencies['monaco-editor'].replace('^', '')
 
 // fetch monaco sri info from cdnjs api
 const cdnjsAPIResp = await fetch(
-  `https://api.cdnjs.com/libraries/monaco-editor/${monacoVersion}?fields=sri`
+	`https://api.cdnjs.com/libraries/monaco-editor/${monacoVersion}?fields=sri`
 );
 if (cdnjsAPIResp.ok) {
-  const respJson = await cdnjsAPIResp.json();
+	const respJson = await cdnjsAPIResp.json();
-  const htmlPath = path.join('src', 'app.html');
+	const htmlPath = path.join('src', 'app.html');
-  const appHtml = fs
+	const appHtml = fs
-    .readFileSync(htmlPath, 'utf8')
+		.readFileSync(htmlPath, 'utf8')
-    // update monaco version of every asset in app.html
+		// update monaco version of every asset in app.html
-    .replaceAll(/[0-9.]+\/min\/vs/g, `${monacoVersion}/min/vs`);
+		.replaceAll(/[0-9.]+\/min\/vs/g, `${monacoVersion}/min/vs`);
-  const root = parse(appHtml);
+	const root = parse(appHtml);
-  const updateIntegrity = (tag, attr) => {
+	const updateIntegrity = (tag, attr) => {
-    for (const node of root
+		for (const node of root
-      .getElementsByTagName(tag)
+			.getElementsByTagName(tag)
-      .filter((node) => node.getAttribute(attr)?.includes('monaco-editor'))) {
+			.filter((node) => node.getAttribute(attr)?.includes('monaco-editor'))) {
-      const file = node.getAttribute(attr).split(`${monacoVersion}/`)[1];
+			const file = node.getAttribute(attr).split(`${monacoVersion}/`)[1];
-      node.setAttribute('integrity', respJson.sri[file]);
+			node.setAttribute('integrity', respJson.sri[file]);
-    }
+		}
-  };
+	};
 
-  updateIntegrity('script', 'src');
+	updateIntegrity('script', 'src');
-  updateIntegrity('link', 'href');
+	updateIntegrity('link', 'href');
 
-  fs.writeFileSync(
+	fs.writeFileSync(
-    htmlPath,
+		htmlPath,
-    prettier.format(root.toString(), {
+		prettier.format(root.toString(), {
-      singleQuote: false,
+			singleQuote: false,
-      parser: 'html',
+			parser: 'html',
-      bracketSameLine: true,
+			bracketSameLine: true,
-      useTabs: true
+			useTabs: true
-    })
+		})
-  );
+	);
 } else {
-  throw Error('Unable to fetch monaco sri data from cdnjs api.');
+	throw Error('Unable to fetch monaco sri data from cdnjs api.');
 }

components.json

@@ -1,16 +0,0 @@
-{
-  "$schema": "https://next.shadcn-svelte.com/schema.json",
-  "tailwind": {
-    "css": "src/app.css",
-    "baseColor": "slate"
-  },
-  "aliases": {
-    "components": "$lib/components",
-    "utils": "$lib/utils",
-    "ui": "$lib/components/ui",
-    "hooks": "$lib/hooks",
-    "lib": "$lib"
-  },
-  "typescript": true,
-  "registry": "https://tw3.shadcn-svelte.com/registry/new-york"
-}

cypress.config.js

@@ -0,0 +1,35 @@
+import { defineConfig } from 'cypress';
+import fs from 'fs';
+import { isFileExist, findFiles } from 'cy-verify-downloads';
+export default defineConfig({
+	projectId: '2ckppp',
+	viewportWidth: 1440,
+	viewportHeight: 768,
+	snapshotFileName: './cypress/snapshots.js',
+	defaultCommandTimeout: 16000,
+	requestTimeout: 16000,
+	retries: {
+		runMode: 4,
+		openMode: 0
+	},
+	e2e: {
+		setupNodeEvents(on, config) {
+			on('task', {
+				isFileExist,
+				findFiles,
+				deleteFile(path) {
+					fs.rmSync(path);
+					return null;
+				},
+				readFileMaybe(filename) {
+					if (fs.existsSync(filename)) {
+						return fs.readFileSync(filename, 'utf8');
+					}
+					return null;
+				}
+			});
+		},
+		baseUrl: 'http://localhost:3000',
+		specPattern: 'cypress/e2e/**/*.spec.ts'
+	}
+});

cypress/.eslintrc

@@ -0,0 +1,10 @@
+{
+	"plugins": ["cypress"],
+	"extends": ["plugin:cypress/recommended"],
+	"rules": {
+		"jest/expect-expect": "off"
+	},
+	"env": {
+		"cypress/globals": true
+	}
+}

cypress/e2e/actions.spec.ts

@@ -0,0 +1,48 @@
+import { verifyFileSize } from './util';
+describe('Check actions', () => {
+	beforeEach(() => {
+		cy.clearLocalStorage();
+		cy.visit('/edit');
+	});
+
+	it('should update markdown code', () => {
+		cy.get('#markdown')
+			.invoke('val')
+			.then((oldText) => {
+				cy.get('#editor').click('bottom').type('{enter}C --> HistoryTest');
+				cy.get('#markdown')
+					.invoke('val')
+					.then((newText) => {
+						expect(oldText).to.not.eq(newText);
+					});
+			});
+	});
+
+	it('should load gists from URL', () => {
+		cy.get('#gist').type('https://gist.github.com/sidharthv96/6268a23e673a533dcb198f241fd7012a');
+		cy.contains('Load Gist').click();
+		cy.contains('Go shopping!!');
+	});
+
+	it('should download png and svg', () => {
+		cy.clock(new Date(2022, 0, 1).getTime());
+
+		cy.get(`#downloadPNG`).click();
+		verifyFileSize('diagram', 'png', 21_000);
+
+		cy.get(`#downloadSVG`).click();
+		verifyFileSize('diagram', 'svg', 10_000);
+
+		// Verify downloaded file is different for different diagrams
+		cy.contains('Sample Diagrams').click();
+		cy.contains('ER').click();
+
+		cy.get(`#downloadPNG`).click();
+		verifyFileSize('diagram', 'png', 46_000);
+
+		cy.get(`#downloadSVG`).click();
+		verifyFileSize('diagram', 'svg', 12_000);
+
+		cy.clock().invoke('restore');
+	});
+});

cypress/e2e/diagramUpdate.spec.ts

@@ -0,0 +1,86 @@
+import { getEditor, cmd } from './util';
+
+describe('Auto sync tests', () => {
+	beforeEach(() => {
+		cy.clearLocalStorage();
+		cy.visit('/');
+	});
+
+	it('should dim diagram when code is edited', () => {
+		cy.contains('Auto sync').click();
+		cy.get('#view').should('not.have.class', 'outOfSync');
+		cy.get('#view').should('not.contain.text', 'Diagram out of sync.');
+		getEditor().type('  C --> Test');
+		cy.get('#view').should('have.class', 'outOfSync');
+		cy.get('#view').should('contain.text', 'Diagram out of sync.');
+		cy.getLocalStorage('codeStore').snapshot();
+	});
+
+	it('should update diagram when shortcut is used', () => {
+		cy.contains('Auto sync').click();
+		cy.get('#view').should('not.have.class', 'outOfSync');
+		getEditor().type('  C --> Test');
+		cy.get('#view').should('have.class', 'outOfSync');
+		cy.get('#view').should('contain.text', 'Diagram out of sync.');
+		getEditor().type(`${cmd}{enter}`);
+		cy.get('#view').should('not.contain.text', 'Diagram out of sync.');
+		cy.get('#view').should('not.have.class', 'outOfSync');
+	});
+
+	it('should show/hide sync button with auto sync', () => {
+		cy.get('[data-cy=sync]').should('not.exist');
+		cy.contains('Auto sync').click();
+		cy.get('[data-cy=sync]').should('exist');
+		cy.get('#autoSync').check();
+		cy.get('[data-cy=sync]').should('not.exist');
+	});
+
+	it('should not dim diagram when code is in sync', () => {
+		cy.contains('Auto sync').click();
+		cy.get('#view').should('not.have.class', 'outOfSync');
+		getEditor().type('  C --> Test');
+		cy.get('#view').should('have.class', 'outOfSync');
+		cy.get('[data-cy=sync]').click();
+		cy.get('#view').should('not.have.class', 'outOfSync');
+		cy.get('#autoSync').check();
+		getEditor().type('ing');
+		cy.get('#view').should('not.have.class', 'outOfSync');
+		cy.getLocalStorage('codeStore').snapshot();
+	});
+
+	it('supports commenting code out/in', () => {
+		getEditor().type(`{uparrow}${cmd}/`);
+		cy.get('#view').contains('Car').should('not.exist');
+
+		getEditor().type(`{uparrow}${cmd}/`);
+		cy.get('#view').contains('Car').should('exist');
+	});
+
+	it('supports editing code when code is incorrect', () => {
+		cy.visit(
+			'/edit#pako:eNpljjEKwzAMRa8SNOcEnlt6gK5eVFvYJsgOqkwpIXevg9smEE1PnyfxF3DFExgISW-CczQ2D21cYU7a-SGYXRwyvTp9jUhuKlVP-eHy7zA-leQsMEmg_QOM0BLG5FujZVMsaCQmC6ahR5ks2Lw2r84ela4-aREwKpVGwKrl_s7ut3fnkjAIcg_XDzuaUhs'
+		);
+		cy.get('#errorContainer').should('not.exist');
+		getEditor({ newline: true }).type(`branch test`);
+		cy.get('#editor').contains('branch test').should('exist');
+		cy.get('#errorContainer')
+			.contains(
+				'Error: Trying to checkout branch which is not yet created. (Help try using "branch master")'
+			)
+			.should('exist');
+	});
+});
+
+describe.only('Pan and Zoom', () => {
+	beforeEach(() => {
+		cy.clearLocalStorage();
+		cy.visit('/');
+	});
+	it('should toggle pan and zoom', () => {
+		cy.get('#svg-pan-zoom-reset-pan-zoom').should('not.exist');
+		cy.contains('Pan & Zoom').click();
+		cy.get('#svg-pan-zoom-reset-pan-zoom').should('exist');
+		cy.contains('Pan & Zoom').click();
+		cy.get('#svg-pan-zoom-reset-pan-zoom').should('not.exist');
+	});
+});

cypress/e2e/docMap.spec.ts

@@ -0,0 +1,36 @@
+describe('Editor docs tests', () => {
+	beforeEach(() => {
+		cy.on('uncaught:exception', () => {
+			return false;
+		});
+		cy.clearLocalStorage();
+		cy.visit('/edit');
+		cy.contains('Sample Diagrams').click();
+	});
+
+	it('Test default loading', () => {
+		cy.get(`[data-cy=docs][href^="https://mermaid-js.github.io/mermaid"]`).should('exist');
+	});
+
+	it('Test to see if the correct URL loads when changing from one diagram to other', () => {
+		cy.contains('Flow').click();
+		cy.get(`[data-cy=docs][href$="/#/flowchart"]`).should('exist');
+
+		cy.contains('Config').click();
+		cy.get(`[data-cy=docs][href$="/#/flowchart?id=configuration"]`).should('exist');
+
+		cy.contains('Sequence').click();
+		cy.get(`[data-cy=docs][href$="/#/sequenceDiagram?id=configuration"]`).should('exist');
+
+		cy.contains('Code').click();
+		cy.get(`[data-cy=docs][href$="/#/sequenceDiagram"]`).should('exist');
+	});
+
+	it("Test to check URLs for a case where config URL doesn't exist", () => {
+		cy.contains('State').click();
+		cy.get(`[data-cy=docs][href$="/#/stateDiagram"]`).should('exist');
+
+		cy.contains('Config').click();
+		cy.get(`[data-cy=docs][href$="/#/stateDiagram"]`).should('exist');
+	});
+});

cypress/e2e/history.spec.ts

@@ -0,0 +1,105 @@
+import { getEditor, verifyFileSnapshot } from './util';
+
+describe('Save History', () => {
+	beforeEach(() => {
+		cy.clock(new Date(2022, 0, 1).getTime());
+		cy.clearLocalStorage();
+		cy.visit('/edit');
+
+		cy.contains('Actions').click();
+		cy.contains('History').click();
+	});
+
+	afterEach(() => {
+		cy.clock().invoke('restore');
+	});
+
+	it('should load history from localstorage', () => {
+		cy.setLocalStorage(
+			'manualHistoryStore',
+			'[{"state":{"code":"graph TD\\n    A[Halloween] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":false},"time":0,"type":"manual","id":"d7ea820e-21dd-418a-b984-fd58acde09df","name":"hollow-art"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":true},"time":0,"type":"manual","id":"b749ffc6-522b-4a44-86cf-7c1ffc3146b3","name":"helpful-ocean"}]'
+		);
+		cy.setLocalStorage(
+			'autoHistoryStore',
+			'[{"state":{"code":"graph TD\\n    A[New Year] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":false},"time":0,"type":"auto","id":"69ea820e-522b-4a44-86cf-fd58acde09df","name":"barking-dog"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":true},"time":0,"type":"manual","id":"x749ffc6-21dd-418a-b984-7c1ffc3146b3","name":"needy-mosquito"}]'
+		);
+		cy.reload();
+		cy.contains('Actions').click();
+		cy.contains('History').click();
+		cy.get('#historyList').find('li').should('have.length', 2);
+		cy.get('#historyList').find('No items in History').should('not.exist');
+		cy.get('#historyList').contains('helpful-ocean');
+		cy.get('#historyList').contains('hollow-art');
+		cy.contains('Restore').click();
+		cy.contains('Halloween');
+		cy.contains('Timeline').click();
+
+		cy.get('#historyList').find('li').should('have.length', 2);
+		cy.get('#historyList').find('No items in History').should('not.exist');
+		cy.get('#historyList').contains('needy-mosquito');
+		cy.get('#historyList').contains('barking-dog');
+		cy.contains('Restore').click();
+		cy.contains('New Year');
+	});
+
+	it('should save when clicked', () => {
+		cy.get('#historyList').find('li').should('have.length', 0);
+		cy.get('#historyList').contains('No items in History');
+		cy.get('#saveHistory').click();
+		cy.get('#historyList').find('No items in History').should('not.exist');
+		cy.get('#historyList').find('li').should('have.length', 1);
+		cy.get('#saveHistory').click();
+		cy.on('window:alert', (str) => {
+			expect(str).to.equal('State already saved.');
+		});
+		cy.on('window:confirm', () => true);
+		getEditor().type('  C --> HistoryTest');
+		cy.get('#saveHistory').click();
+		cy.get('#historyList').find('li').should('have.length', 2);
+	});
+
+	it('should be able to restore and delete', () => {
+		cy.get('#saveHistory').click();
+		getEditor().type('  C --> HistoryTest');
+		cy.get('#historyList').find('No items in History').should('not.exist');
+		cy.get('#historyList').find('li').should('have.length', 1);
+		cy.contains('HistoryTest');
+		cy.contains('Restore').click();
+		cy.contains('HistoryTest').should('not.exist');
+		cy.contains('Delete').click();
+		cy.get('#historyList').find('li').should('have.length', 0);
+		cy.get('#historyList').contains('No items in History');
+		cy.get('#saveHistory').click();
+		getEditor().type('  C --> HistoryTest');
+		cy.get('#saveHistory').click();
+		cy.get('#editor').type('ing');
+		cy.get('#clearHistory').click();
+		cy.on('window:alert', (str) => {
+			expect(str).to.equal('Clear all saved items?');
+		});
+		cy.on('window:confirm', () => true);
+		cy.get('#historyList').contains('No items in History');
+	});
+
+	// TODO: Fix #639
+	xit('should auto save history', () => {
+		getEditor().type('  C --> HistoryTest');
+		cy.tick(70000);
+		cy.contains('Timeline').click();
+		cy.get('#historyList').find('li').should('have.length', 1);
+		cy.get('#editor').type('ing');
+		cy.tick(70000);
+		cy.get('#historyList').find('li').should('have.length', 2);
+		for (let i = 0; i < 31; i++) {
+			cy.get('#editor').type('.');
+			cy.tick(70000);
+		}
+		cy.get('#historyList').find('li').should('have.length', 30);
+	});
+
+	it('should download history', () => {
+		cy.get('#saveHistory').click();
+		cy.get(`#downloadHistory`).click();
+		verifyFileSnapshot('history', 'json', 'A[Christmas] -->|Get money| B(Go shopping)');
+	});
+});

cypress/e2e/loadSite.spec.ts

@@ -0,0 +1,118 @@
+import { toBase64 } from 'js-base64';
+
+describe('Site Loads', () => {
+	beforeEach(() => {
+		cy.clearLocalStorage();
+		cy.visit('/');
+	});
+	it('Check Home page load', () => {
+		cy.url().should('include', '/edit');
+		cy.contains('History').click();
+		cy.getLocalStorage('codeStore').snapshot();
+	});
+
+	it('Check Redirect from old URL', () => {
+		cy.visit(
+			'/#/edit/eyJjb2RlIjoiZ3JhcGggVERcbiAgICBBW0NocmlzdG1hc10gLS0-fEdldCBtb25leXwgQihHbyBzaG9wcGluZylcbiAgICBCIC0tPiBDe0xldCBtZSB0aGlua31cbiAgICBDIC0tPnxPbmV8IERbTGFwdG9wXVxuICAgIEMgLS0-fFR3b3wgRVtpUGhvbmVdXG4gICAgQyAtLT58VGhyZWV8IEZbZmE6ZmEtY2FyIENhcl0iLCJtZXJtYWlkIjp7InRoZW1lIjoiZGVmYXVsdCJ9LCJ1cGRhdGVFZGl0b3IiOmZhbHNlfQ'
+		);
+		cy.url().should('include', '/edit#pako:eNp');
+	});
+
+	it('should load sample diagrams when clicked', () => {
+		cy.contains('Sample Diagrams').click();
+		cy.contains('Pie').click();
+		cy.contains('pie title Pets adopted by volunteers');
+		cy.contains('Class').click();
+		cy.contains('classDiagram');
+	});
+
+	it('should load diagram from gist', () => {
+		cy.visit(`/edit?gist=https://gist.github.com/sidharthv96/6268a23e673a533dcb198f241fd7012a`);
+		cy.contains('History').click();
+		cy.contains('Go shopping!!');
+		cy.contains('Revisions');
+		cy.contains('sidharthv96 v8f8f1e2');
+		cy.contains('sidharthv96 v7851e19');
+		cy.getLocalStorage('codeStore').snapshot();
+	});
+
+	it('should load diagram from gist revision', () => {
+		cy.visit(
+			'/edit?gist=https://gist.github.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/ec9b4ab0e41e4ff6287326cd3cb47affd7851e19'
+		);
+		cy.contains('History').click();
+		cy.contains('Party');
+		cy.contains('Revisions');
+		cy.contains('sidharthv96 v7851e19');
+		cy.getLocalStorage('codeStore').snapshot();
+	});
+
+	it('should load diagram from raw files', () => {
+		cy.visit(
+			'/edit?code=https://gist.githubusercontent.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/raw/4eb03887e6a41397e80bdcdbf94017c498f8f1e2/code.mmd&config=https://gist.githubusercontent.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/raw/4eb03887e6a41397e80bdcdbf94017c498f8f1e2/config.json'
+		);
+		cy.contains('Party');
+		cy.getLocalStorage('codeStore').snapshot();
+	});
+
+	// Disabled temporarily. Should be enabled after the issue is fixed in Mermaid.
+	// it('should prevent setting the "securityLevel" option via URL', () => {
+	// 	const b64State = toBase64(
+	// 		`{"code":"graph TD\\nA[\\"<img src='https://via.placeholder.com/64' width=64 />\\"]","mermaid":"{\\"securityLevel\\": \\"loose\\", \\"theme\\": \\"forest\\"}","autoSync":true,"updateDiagram":true}`,
+	// 		true
+	// 	);
+	// 	cy.on('window:confirm', () => true);
+	// 	cy.visit(`/edit#${b64State}`);
+	// 	cy.contains('Config').click();
+	// 	cy.contains('forest');
+	// 	cy.contains('securityLevel').should('not.exist');
+	// 	cy.get('#view').find('img').should('not.exist');
+	// 	cy.get('#view').contains('<img');
+	// 	cy.get('#view').contains(`src='https://via.placeholder.com/64'`);
+	// });
+
+	it('should allow persisting "securityLevel" using confirm dialogue', () => {
+		const b64State = toBase64(
+			`{"code":"graph TD\\nA[\\"<img src='https://dummyimage.com/64' width=64/>\\"]","mermaid":"{\\"securityLevel\\": \\"loose\\", \\"theme\\": \\"forest\\"}","autoSync":true,"updateDiagram":true}`,
+			true
+		);
+		cy.on('window:confirm', () => false);
+		cy.visit(`/edit#${b64State}`);
+		cy.contains('Config').click();
+		cy.contains('forest');
+		cy.contains('securityLevel');
+		cy.get('#view').find('img').should('be.visible');
+	});
+
+	it('should show troubleshooting steps if loading fails', () => {
+		cy.visit('/#/edit/eyJjb2RlIjoiZ3JhcGggVERcbiAg');
+		cy.reload(true);
+		cy.contains('Please Click here to Raise an issue in github.');
+	});
+
+	it('should load uncompressed URL', () => {
+		cy.visit(
+			'/edit/#eyJjb2RlIjoiZ3JhcGggVERcbiAgICBBW05ldyBZZWFyXSAtLT58R2V0IG1vbmV5fCBCKEdvIHNob3BwaW5nKVxuICAgIEIgLS0-IEN7TGV0IG1lIHRoaW5rfVxuICAgIEMgLS0-fE9uZXwgRFtMYXB0b3BdXG4gICAgQyAtLT58VHdvfCBFW2lQaG9uZV1cbiAgICBDIC0tPnxUaHJlZXwgRltmYTpmYS1jYXIgQ2FyXSIsIm1lcm1haWQiOiJ7XG4gIFwidGhlbWVcIjogXCJkZWZhdWx0XCJcbn0iLCJ1cGRhdGVFZGl0b3IiOmZhbHNlLCJhdXRvU3luYyI6dHJ1ZSwidXBkYXRlRGlhZ3JhbSI6ZmFsc2V9'
+		);
+		cy.contains('New Year');
+		cy.visit(
+			'/edit#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'
+		);
+		cy.contains('Animal');
+		cy.visit(
+			'/edit/#base64:eyJjb2RlIjoiZ3JhcGggVERcbiAgICBBW05ldyBZZWFyXSAtLT58R2V0IG1vbmV5fCBCKEdvIHNob3BwaW5nKVxuICAgIEIgLS0-IEN7TGV0IG1lIHRoaW5rfVxuICAgIEMgLS0-fE9uZXwgRFtMYXB0b3BdXG4gICAgQyAtLT58VHdvfCBFW2lQaG9uZV1cbiAgICBDIC0tPnxUaHJlZXwgRltmYTpmYS1jYXIgQ2FyXSIsIm1lcm1haWQiOiJ7XG4gIFwidGhlbWVcIjogXCJkZWZhdWx0XCJcbn0iLCJ1cGRhdGVFZGl0b3IiOmZhbHNlLCJhdXRvU3luYyI6dHJ1ZSwidXBkYXRlRGlhZ3JhbSI6ZmFsc2V9'
+		);
+		cy.contains('New Year');
+	});
+
+	it('should load compressed URL', () => {
+		cy.visit(
+			'/edit#pako:eNpVkM2KwkAQhF-l6dMK5gVyEDRxvYi7sF6WjIcm0zqDzg_jBJEk725Hd2G3Tw31VVFUj23QjCWeEkUD-1p5kFs2O77BN1M6QFEshg1ncMHzfYDV2ybA1YQYrT_NXvhqgqDqtxPGkI315_ElVU__h-cB6mZLMYd4-Kvsb2GAdWM_jcT_V0xicb03RyqPVLSUoJI-OEfHyZHV0rqfDAqzYccKS3k1pbNC5Ufhuqgp81rbHBJKxuXKc6Quh6-7b7HMqeNfqLYkC7gfanwAlW1ZvQ'
+		);
+		cy.contains('New Year');
+		cy.visit(
+			'/edit#pako:eNptkU1PwzAMhv9K5BOI9Q9EXBDbJA477YYqITcxndV8QD40weh_Jy1rGR0-OY_tV2_sEyivCSQogzGuGduAtnaixINji0bcf1WVWGfVXdMtx8M1faYm4B8sxR27JLClJd6nwK4VLTlN4bI4jMQd2pLe3C4KFhNNcLQ92jv9ADGLNoTdozc-zIV4ZDsNlud7RtVN7_5Sb_jYrFcN3iN_0pPbEqUZK3QbTP_Ojyv4NdR4bwTHlyMbPcOQ3WJ2CliBpWCRdbnLqFJDOpClGmRJNYauhtr1pS-_6bKMjebkA8hXNJFWgDn5_YdTIFPINDWdb3vu6r8BaWOZRQ'
+		);
+		cy.contains('Animal');
+	});
+});

cypress/e2e/themes.spec.ts

@@ -0,0 +1,56 @@
+describe('Test themes', () => {
+	describe('Test light themes', () => {
+		beforeEach(() => {
+			cy.clearLocalStorage();
+			cy.visit('/edit', {
+				onBeforeLoad(win) {
+					cy.stub(win, 'matchMedia')
+						.callThrough()
+						.withArgs('(prefers-color-scheme: dark)')
+						.returns({
+							matches: false
+						});
+				}
+			});
+			cy.contains('Change Theme').click();
+		});
+
+		it('should set light theme as default', () => {
+			cy.contains('light').parent().should('have.class', 'bordered');
+			cy.contains('dark').parent().should('not.have.class', 'bordered');
+			cy.getLocalStorage('themeStore').snapshot();
+		});
+
+		it('should change themes when clicked', () => {
+			cy.contains('light').parent().should('have.class', 'bordered');
+			cy.contains('cupcake').click();
+			cy.contains('cupcake').parent().should('have.class', 'bordered');
+			cy.contains('light').parent().should('not.have.class', 'bordered');
+			cy.contains('dark').parent().should('not.have.class', 'bordered');
+			cy.getLocalStorage('themeStore').snapshot();
+		});
+	});
+
+	describe('Test dark mode', () => {
+		beforeEach(() => {
+			cy.clearLocalStorage();
+			cy.visit('/edit', {
+				onBeforeLoad(win) {
+					cy.stub(win, 'matchMedia')
+						.callThrough()
+						.withArgs('(prefers-color-scheme: dark)')
+						.returns({
+							matches: true
+						});
+				}
+			});
+			cy.contains('Change Theme').click();
+		});
+
+		it('should set dark theme as default', () => {
+			cy.contains('light').parent().should('not.have.class', 'bordered');
+			cy.contains('dark').parent().should('have.class', 'bordered');
+			cy.getLocalStorage('themeStore').snapshot();
+		});
+	});
+});

cypress/e2e/util.ts

@@ -0,0 +1,41 @@
+export const cmd = `{${Cypress.platform === 'darwin' ? 'meta' : 'ctrl'}}`;
+
+export const getEditor = ({ bottom = true, newline = false } = {}) =>
+	cy
+		.get('#editor textarea:first')
+		.click()
+		.focused()
+		.type(`${bottom ? '{pageDown}' : cmd}`)
+		.type(`${newline ? '{enter}' : cmd}`);
+
+const downloadsFolder = Cypress.config('downloadsFolder');
+
+export const verifyFileSize = (
+	fileType: 'history' | 'diagram',
+	extension: string,
+	size: number
+) => {
+	const fileName = `mermaid-${fileType}-2022-01-01-000000.${extension}`;
+	const filePath = `${downloadsFolder}/${fileName}`;
+	cy.verifyDownload(fileName);
+	cy.readFile(filePath, null, {
+		log: false
+	}).then((buffer) => expect((buffer as ArrayBuffer).byteLength).to.be.gt(size));
+	cy.task('deleteFile', filePath);
+};
+
+export const verifyFileSnapshot = (
+	fileType: 'history' | 'diagram',
+	extension: string,
+	content: string
+) => {
+	const fileName = `mermaid-${fileType}-2022-01-01-000000.${extension}`;
+	const filePath = `${downloadsFolder}/${fileName}`;
+	cy.verifyDownload(fileName);
+	cy.readFile(filePath, null, {
+		log: false
+	}).then((buffer) =>
+		expect(new TextDecoder('utf-8').decode(buffer as ArrayBuffer)).to.contain(content)
+	);
+	cy.task('deleteFile', filePath);
+};

cypress/fixtures/example.json

@@ -0,0 +1,5 @@
+{
+	"name": "Using fixtures to represent data",
+	"email": "hello@cypress.io",
+	"body": "Fixtures are a great way to mock data for responses to routes"
+}

cypress/snapshots.js

@@ -0,0 +1,52 @@
+module.exports = {
+  "Site Loads": {
+    "Check Home page load": {
+      "1": "{\"code\":\"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)\\n    B --> C{Let me think}\\n    C -->|One| D[Laptop]\\n    C -->|Two| E[iPhone]\\n    C -->|Three| F[fa:fa-car Car]\\n  \",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"default\\\"\\n}\",\"autoSync\":true,\"updateDiagram\":true}"
+    },
+    "Check Redirect from old URL": {
+      "1": "{\"code\":\"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)\\n    B --> C{Let me think}\\n    C -->|One| D[Laptop]\\n    C -->|Two| E[iPhone]\\n    C -->|Three| F[fa:fa-car Car]\",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"default\\\"\\n}\",\"autoSync\":true,\"updateDiagram\":true}"
+    },
+    "should load diagram from gist": {
+      "1": "{\"code\":\"graph TD\\n    A[Party] -->|Get money| B(Go shopping!!)\\n    \",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"forest\\\",\\n  \\\"test\\\": \\\"hello world\\\"\\n}\",\"autoSync\":true,\"updateDiagram\":true,\"loader\":{\"type\":\"gist\",\"config\":{\"url\":\"https://gist.github.com/sidharthv96/6268a23e673a533dcb198f241fd7012a\"}}}"
+    },
+    "should load diagram from gist revision": {
+      "1": "{\"code\":\"graph TD\\n    A[Party] -->|Get money| B(Go shopping)\\n    \",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"forest\\\",\\n  \\\"test\\\": \\\"hello\\\"\\n}\",\"autoSync\":true,\"updateDiagram\":true,\"loader\":{\"type\":\"gist\",\"config\":{\"url\":\"https://gist.github.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/ec9b4ab0e41e4ff6287326cd3cb47affd7851e19\"}}}"
+    },
+    "should load diagram from raw files": {
+      "1": "{\"code\":\"graph TD\\n    A[Party] -->|Get money| B(Go shopping!!)\\n    \",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"forest\\\",\\n  \\\"test\\\": \\\"hello world\\\"\\n}\",\"autoSync\":true,\"updateDiagram\":true,\"loader\":{\"type\":\"files\",\"config\":{\"codeURL\":\"https://gist.githubusercontent.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/raw/4eb03887e6a41397e80bdcdbf94017c498f8f1e2/code.mmd\",\"configURL\":\"https://gist.githubusercontent.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/raw/4eb03887e6a41397e80bdcdbf94017c498f8f1e2/config.json\"}}}"
+    }
+  },
+  "__version": "10.10.0",
+  "Auto sync tests": {
+    "should dim diagram when code is edited": {
+      "1": "{\"code\":\"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)\\n    B --> C{Let me think}\\n    C -->|One| D[Laptop]\\n    C -->|Two| E[iPhone]\\n    C -->|Three| F[fa:fa-car Car]\\n    C --> Test\",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"default\\\"\\n}\",\"autoSync\":false,\"updateDiagram\":false}"
+    },
+    "should not dim diagram when code is in sync": {
+      "1": "{\"code\":\"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)\\n    B --> C{Let me think}\\n    C -->|One| D[Laptop]\\n    C -->|Two| E[iPhone]\\n    C -->|Three| F[fa:fa-car Car]\\n    C --> Testing\",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"default\\\"\\n}\",\"autoSync\":true,\"updateDiagram\":false}"
+    }
+  },
+  "Test themes": {
+    "should set light theme as default": {
+      "1": "{\"theme\":\"light\",\"isDark\":false}"
+    },
+    "should change themes when clicked": {
+      "1": "{\"theme\":\"cupcake\",\"isDark\":false}"
+    },
+    "should set dark theme as default": {
+      "1": "{\"theme\":\"dark\",\"isDark\":true}"
+    },
+    "Test light themes": {
+      "should set light theme as default": {
+        "1": "{\"theme\":\"light\",\"isDark\":false}"
+      },
+      "should change themes when clicked": {
+        "1": "{\"theme\":\"cupcake\",\"isDark\":false}"
+      }
+    },
+    "Test dark mode": {
+      "should set dark theme as default": {
+        "1": "{\"theme\":\"dark\",\"isDark\":true}"
+      }
+    }
+  }
+}

cypress/support/commands.ts

@@ -0,0 +1,38 @@
+// ***********************************************
+// This example commands.js shows you how to
+// create various custom commands and overwrite
+// existing commands.
+//
+// For more comprehensive examples of custom
+// commands please read more here:
+// https://on.cypress.io/custom-commands
+// ***********************************************
+//
+//
+// -- This is a parent command --
+// Cypress.Commands.add('login', (email, password) => { ... })
+//
+//
+// -- This is a child command --
+// Cypress.Commands.add('drag', { prevSubject: 'element'}, (subject, options) => { ... })
+//
+//
+// -- This is a dual command --
+// Cypress.Commands.add('dismiss', { prevSubject: 'optional'}, (subject, options) => { ... })
+//
+//
+// -- This will overwrite an existing command --
+// Cypress.Commands.overwrite('visit', (originalFn, url, options) => { ... })
+import { register } from '@cypress/snapshot';
+// eslint-disable-next-line @typescript-eslint/no-unsafe-call
+register();
+declare global {
+	// eslint-disable-next-line @typescript-eslint/no-namespace
+	namespace Cypress {
+		interface Chainable {
+			snapshot(): void;
+		}
+	}
+}
+
+import 'cypress-localstorage-commands';

cypress/support/e2e.js

@@ -0,0 +1,28 @@
+// ***********************************************************
+// This example support/index.js is processed and
+// loaded automatically before your test files.
+//
+// This is a great place to put global configuration and
+// behavior that modifies Cypress.
+//
+// You can change the location of this file or turn off
+// automatically serving support files with the
+// 'supportFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/configuration
+// ***********************************************************
+
+// Import commands.js using ES2015 syntax:
+import './commands';
+require('cy-verify-downloads').addCustomCommand();
+
+// Alternatively you can use CommonJS syntax:
+// require('./commands')
+
+Cypress.on('uncaught:exception', (err) => {
+	/* returning false here prevents Cypress from failing the test */
+	if (err.message.includes('ResizeObserver loop limit exceeded')) {
+		return false;
+	}
+});

cypress/tsconfig.json

@@ -0,0 +1,7 @@
+{
+	"compilerOptions": {
+		"allowJs": true,
+		"types": ["cypress", "cypress-localstorage-commands", "cy-verify-downloads"]
+	},
+	"include": ["**/*.ts"]
+}

docker-compose.yml

@@ -3,9 +3,9 @@ services:
   mermaid:
     build:
       context: .
-      target: mermaid-dev
+      dockerfile: Dockerfile.dev
     volumes:
       - ./src:/app/src
     ports:
-      - 3000:3000
+      - 8080:8080
       - 24678:24678

eslint.config.js

@@ -1,74 +0,0 @@
-import { includeIgnoreFile } from '@eslint/compat';
-import js from '@eslint/js';
-import prettier from 'eslint-config-prettier';
-import sortKeysPlugin from 'eslint-plugin-sort-keys';
-import svelte from 'eslint-plugin-svelte';
-import eslintPluginUnicorn from 'eslint-plugin-unicorn';
-import { defineConfig } from 'eslint/config';
-import globals from 'globals';
-import { fileURLToPath } from 'node:url';
-import ts from 'typescript-eslint';
-import svelteConfig from './svelte.config.js';
-
-const gitignorePath = fileURLToPath(new URL('./.gitignore', import.meta.url));
-
-export default defineConfig(
-  includeIgnoreFile(gitignorePath),
-  js.configs.recommended,
-  ...ts.configs.strict,
-  ...ts.configs.stylistic,
-  ...svelte.configs.recommended,
-  prettier,
-  ...svelte.configs.prettier,
-  {
-    languageOptions: {
-      globals: { ...globals.browser, ...globals.node }
-    },
-    rules: {
-      // typescript-eslint strongly recommend that you do not use the no-undef lint rule on TypeScript projects.
-      // see: https://typescript-eslint.io/troubleshooting/faqs/eslint/#i-get-errors-from-the-no-undef-rule-about-global-variables-not-being-defined-even-though-there-are-no-typescript-errors
-      'no-undef': 'off'
-    }
-  },
-  {
-    plugins: {
-      unicorn: eslintPluginUnicorn
-    },
-    rules: {
-      'unicorn/no-null': 'off',
-      'unicorn/filename-case': 'off'
-    }
-  },
-  {
-    files: ['src/**'],
-    plugins: {
-      'sort-keys': sortKeysPlugin
-    },
-    rules: {
-      'sort-keys/sort-keys-fix': ['error', 'asc', { minKeys: 5 }]
-    }
-  },
-  {
-    files: ['**/*.svelte', '**/*.svelte.ts', '**/*.svelte.js'],
-    languageOptions: {
-      parserOptions: {
-        projectService: true,
-        extraFileExtensions: ['.svelte'],
-        parser: ts.parser,
-        svelteConfig
-      }
-    },
-    rules: {
-      'svelte/no-unused-props': 'off'
-    }
-  },
-  {
-    files: ['**/components/ui/**'],
-    rules: {
-      'unicorn/prefer-export-from': 'off',
-      'unicorn/prevent-abbreviations': 'off',
-      'unicorn/explicit-length-check': 'off',
-      'sort-keys/sort-keys-fix': 'off'
-    }
-  }
-);

netlify.toml

@@ -1,13 +0,0 @@
-[build.environment]
-	MERMAID_ANALYTICS_URL = 'https://p.mermaid.live'
-	MERMAID_DOCS_URL = 'https://mermaid.js.org'
-	MERMAID_DOMAIN = 'mermaid.live'
-	MERMAID_RENDERER_URL = 'https://mermaid.ink'
-	MERMAID_KROKI_RENDERER_URL = 'https://kroki.io'
-	MERMAID_IS_ENABLED_MERMAID_CHART_LINKS ='true'
-
-[[redirects]]
-  from = "/index.html"
-  to = "/edit"
-  status = 301
-  force = true

nginx.conf

@@ -1,5 +1,5 @@
 server { 
- listen 8080;
+ listen 80;
  server_name mermaid;
  location / {
    root /usr/share/nginx/html;

package.json

@@ -1,136 +1,96 @@
 {
-  "name": "mermaid-live-editor",
+	"name": "mermaid-live-editor",
-  "version": "2.0.67",
+	"version": "2.0.67",
-  "type": "module",
+	"type": "module",
-  "license": "MIT",
+	"license": "MIT",
-  "scripts": {
+	"scripts": {
-    "dev": "vite dev",
+		"dev": "vite dev",
-    "dev:force": "MERMAID_LOCAL=true pnpm dev --force",
+		"dev:force": "MERMAID_LOCAL=true yarn dev --force",
-    "dev:test": "pnpm dev",
+		"dev:test": "yarn dev",
-    "build": "vite build",
+		"build": "vite build",
-    "preview": "vite preview",
+		"preview": "vite preview",
-    "lint": "prettier --check --cache . && eslint .",
+		"lint": "prettier --check --cache --plugin-search-dir=. .;eslint --ignore-path .gitignore .",
-    "lint:fix": "prettier --write --cache . && eslint --fix .",
+		"lint:fix": "prettier --write --cache --plugin-search-dir=. .;eslint --fix --ignore-path .gitignore .",
-    "format": "prettier --write --cache .",
+		"format": "prettier --write --cache --plugin-search-dir=. .",
-    "pre-commit": "lint-staged",
+		"pre-commit": "lint-staged",
-    "postinstall": "husky install && svelte-kit sync && (git config blame.ignoreRevsFile .git-blame-ignore-revs || true)",
+		"postinstall": "husky install; svelte-kit sync",
-    "test:unit": "vitest",
+		"test:unit": "vitest",
-    "test:unit:ui": "vitest --ui",
+		"test:ui": "vitest --ui",
-    "test:unit:coverage": "vitest run --coverage",
+		"test:coverage": "vitest run --coverage",
-    "test": "pnpm test:unit && pnpm test:e2e",
+		"test:browser": "cypress run",
-    "test:e2e": "playwright test",
+		"test": "test:unit && test:browser",
-    "test:e2e:ui": "playwright test --ui",
+		"cy": "cypress open"
-    "test:e2e:debug": "playwright test --debug"
+	},
-  },
+	"devDependencies": {
-  "devDependencies": {
+		"@cypress/snapshot": "2.1.7",
-    "@eslint/compat": "^1.2.5",
+		"@sveltejs/adapter-static": "1.0.0-next.44",
-    "@eslint/eslintrc": "^3.3.3",
+		"@sveltejs/kit": "1.0.0-next.516",
-    "@eslint/js": "^9.39.2",
+		"@testing-library/jest-dom": "5.16.5",
-    "@fortawesome/fontawesome-free": "^6.7.2",
+		"@testing-library/svelte": "3.2.2",
-    "@iconify-json/material-symbols": "^1.2.20",
+		"@types/async": "^3.2.15",
-    "@iconify-json/mdi": "^1.2.3",
+		"@types/pako": "2.0.0",
-    "@playwright/test": "^1.52.0",
+		"@types/uuid": "8.3.4",
-    "@sveltejs/adapter-static": "^3.0.9",
+		"@typescript-eslint/eslint-plugin": "5.40.1",
-    "@sveltejs/kit": "^2.37.0",
+		"@typescript-eslint/parser": "5.40.1",
-    "@sveltejs/vite-plugin-svelte": "^6.1.3",
+		"@vitest/ui": "0.24.3",
-    "@tailwindcss/typography": "^0.5.19",
+		"autoprefixer": "10.4.12",
-    "@tailwindcss/vite": "^4.1.18",
+		"c8": "7.12.0",
-    "@types/hammerjs": "^2.0.46",
+		"chai": "4.3.6",
-    "@types/lodash-es": "^4.17.12",
+		"cssnano": "5.1.13",
-    "@types/node": "^22.15.10",
+		"cy-verify-downloads": "0.1.11",
-    "@types/pako": "2.0.3",
+		"cypress": "10.10.0",
-    "@types/uuid": "9.0.8",
+		"cypress-localstorage-commands": "2.2.1",
-    "@vitest/coverage-v8": "^3.2.4",
+		"eslint": "8.25.0",
-    "@vitest/ui": "^3.2.4",
+		"eslint-config-prettier": "8.5.0",
-    "autoprefixer": "^10.4.21",
+		"eslint-plugin-cypress": "2.12.1",
-    "bits-ui": "^2.9.6",
+		"eslint-plugin-es": "4.1.0",
-    "c8": "7.14.0",
+		"eslint-plugin-postcss-modules": "2.0.0",
-    "chai": "^4.5.0",
+		"eslint-plugin-svelte3": "4.0.0",
-    "clsx": "^2.1.1",
+		"eslint-plugin-tailwindcss": "3.6.2",
-    "cssnano": "^6.1.2",
+		"eslint-plugin-vitest": "0.0.11",
-    "dotenv": "^17.3.1",
+		"esserializer": "1.3.2",
-    "eslint": "^9.39.2",
+		"husky": "8.0.1",
-    "eslint-config-prettier": "^10.1.8",
+		"jsdom": "20.0.1",
-    "eslint-plugin-es": "^4.1.0",
+		"lint-staged": "13.0.3",
-    "eslint-plugin-no-only-tests": "^3.3.0",
+		"node-html-parser": "6.1.1",
-    "eslint-plugin-sort-keys": "^2.3.5",
+		"postcss": "8.4.18",
-    "eslint-plugin-svelte": "^3.0.0",
+		"postcss-load-config": "4.0.1",
-    "eslint-plugin-tailwindcss": "^3.18.2",
+		"prettier": "2.7.1",
-    "eslint-plugin-unicorn": "^60.0.0",
+		"prettier-plugin-svelte": "2.8.0",
-    "esserializer": "^1.3.11",
+		"svelte": "3.52.0",
-    "globals": "^16.0.0",
+		"svelte-preprocess": "4.10.7",
-    "husky": "^8.0.3",
+		"tailwindcss": "3.1.8",
-    "jsdom": "^25.0.1",
+		"tslib": "2.4.0",
-    "lint-staged": "^15.5.1",
+		"typescript": "4.8.4",
-    "lucide-svelte": "^0.507.0",
+		"vite": "3.1.8",
-    "node-html-parser": "^6.1.13",
+		"vitest": "0.24.3"
-    "paneforge": "1.0.0-next.6",
+	},
-    "prettier": "^3.8.1",
+	"dependencies": {
-    "prettier-plugin-svelte": "^3.4.1",
+		"analytics": "0.8.1",
-    "prettier-plugin-tailwindcss": "^0.7.2",
+		"analytics-plugin-plausible": "0.0.6",
-    "svelte": "^5.38.6",
+		"async": "^3.2.4",
-    "svelte-preprocess": "^6.0.3",
+		"daisyui": "2.31.0",
-    "svelte-sonner": "^1.0.5",
+		"js-base64": "3.7.2",
-    "tailwind-merge": "^3.3.1",
+		"mermaid": "9.2.0-rc6",
-    "tailwind-variants": "^3.1.0",
+		"moment": "2.29.4",
-    "tailwindcss": "^4.1.18",
+		"monaco-editor": "0.34.1",
-    "tslib": "^2.8.1",
+		"monaco-mermaid": "1.0.6",
-    "tw-animate-css": "^1.3.8",
+		"pako": "2.0.4",
-    "typescript": "^5.9.2",
+		"random-word-slugs": "0.1.6",
-    "typescript-eslint": "^8.42.0",
+		"svg-pan-zoom": "3.6.1",
-    "unplugin-icons": "^22.2.0",
+		"uuid": "9.0.0"
-    "vite": "^7.1.4",
+	},
-    "vite-plugin-devtools-json": "^1.0.0",
+	"lint-staged": {
-    "vitest": "^3.2.4",
+		"*.{ts,svelte,js,css,md,json}": [
-    "vitest-dom": "^0.1.1"
+			"prettier --plugin-search-dir=. --write",
-  },
+			"eslint --ignore-path .gitignore "
-  "dependencies": {
+		]
-    "@codemirror/lang-json": "^6.0.1",
+	},
-    "@codemirror/lang-markdown": "^6.3.2",
+	"volta": {
-    "@codemirror/lang-yaml": "^6.1.2",
+		"node": "18.5.0",
-    "@codemirror/language": "^6.11.0",
+		"yarn": "1.22.19"
-    "@codemirror/state": "^6.5.2",
+	},
-    "@codemirror/view": "^6.36.7",
+	"engines": {
-    "@fontsource-variable/recursive": "^5.2.5",
+		"node": ">=16.7"
-    "@fsegurai/codemirror-theme-vscode-dark": "^6.1.4",
+	}
-    "@fsegurai/codemirror-theme-vscode-light": "^6.1.4",
-    "@mermaid-js/examples": "^1.0.0",
-    "@mermaid-js/layout-elk": "^0.1.9",
-    "@mermaid-js/layout-tidy-tree": "^0.2.1",
-    "@mermaid-js/mermaid-zenuml": "^0.2.2",
-    "codemirror": "^6.0.1",
-    "dayjs": "^1.11.13",
-    "hammerjs": "^2.0.8",
-    "js-base64": "3.7.7",
-    "lodash-es": "^4.17.21",
-    "mermaid": "^11.13.0",
-    "mode-watcher": "^0.5.1",
-    "monaco-editor": "0.52.2",
-    "pako": "2.1.0",
-    "plausible-tracker": "^0.3.9",
-    "random-word-slugs": "0.1.7",
-    "svg-pan-zoom": "3.6.2",
-    "svg2roughjs": "^3.2.1",
-    "uuid": "9.0.1"
-  },
-  "lint-staged": {
-    "*.{ts,svelte,js,css,md,json}": [
-      "prettier --plugin-search-dir=. --write",
-      "eslint "
-    ]
-  },
-  "engines": {
-    "node": ">=20.19.0"
-  },
-  "packageManager": "pnpm@10.10.0+sha512.d615db246fe70f25dcfea6d8d73dee782ce23e2245e3c4f6f888249fb568149318637dca73c2c5c8ef2a4ca0d5657fb9567188bfab47f566d1ee6ce987815c39",
-  "pnpm": {
-    "onlyBuiltDependencies": [
-      "deasync",
-      "esbuild",
-      "svelte-preprocess"
-    ],
-    "ignoredBuiltDependencies": [
-      "vue-demi"
-    ]
-  }
 }

playwright.config.ts

@@ -1,28 +0,0 @@
-import { defineConfig, devices } from '@playwright/test';
-
-export default defineConfig({
-  forbidOnly: !!process.env.CI,
-  fullyParallel: true,
-  projects: [
-    {
-      name: 'chromium',
-      use: { ...devices['Desktop Chrome'] }
-    }
-  ],
-  reporter: process.env.CI ? [['github'], ['list']] : 'list',
-  retries: process.env.CI ? 2 : 0,
-  testDir: './tests',
-  use: {
-    baseURL: 'http://localhost:3000',
-    browserName: 'chromium',
-    permissions: ['clipboard-read', 'clipboard-write'],
-    trace: 'retain-on-failure',
-    viewport: { width: 1920, height: 1080 }
-  },
-  webServer: {
-    command: `pnpm ${process.env.CI ? 'preview' : 'dev'}`,
-    url: 'http://localhost:3000',
-    reuseExistingServer: !process.env.CI
-  },
-  workers: process.env.CI ? 3 : undefined
-});

postcss.config.cjs

@@ -0,0 +1,23 @@
+const tailwindcss = require('tailwindcss');
+const autoprefixer = require('autoprefixer');
+const cssnano = require('cssnano');
+
+const mode = process.env.NODE_ENV;
+const dev = mode === 'development';
+
+module.exports = {
+	plugins: [
+		// Some plugins, like postcss-nested, need to run before Tailwind
+
+		tailwindcss,
+
+		// But others, like autoprefixer, need to run after
+
+		autoprefixer,
+
+		!dev &&
+			cssnano({
+				preset: 'default'
+			})
+	]
+};

renovate.json

@@ -1,29 +1,24 @@
 {
-  "extends": [
+	"extends": [
-    "config:base",
+		"config:base",
-    ":rebaseStalePrs",
+		":rebaseStalePrs",
-    "group:allNonMajor",
+		"group:allNonMajor",
-    "schedule:earlyMondays",
+		"schedule:earlyMondays",
-    ":automergeMinor",
+		":automergeMinor",
-    ":automergeTesters",
+		":automergeTesters",
-    ":automergeLinters",
+		":automergeLinters",
-    ":automergeTypes",
+		":automergeTypes",
-    ":automergePatch"
+		":automergePatch"
-  ],
+	],
-  "packageRules": [
+	"packageRules": [
-    {
+		{
-      "matchPackagePatterns": ["^mermaid"],
+			"matchUpdateTypes": ["minor", "patch", "pin", "digest"],
-      "groupName": "Mermaid packages"
+			"automerge": true
-    },
+		}
-    {
+	],
-      "matchUpdateTypes": ["minor", "patch", "pin", "digest"],
+	"dependencyDashboard": true,
-      "automerge": true
+	"major": {
-    }
+		"dependencyDashboardApproval": true
-  ],
+	},
-  "dependencyDashboard": true,
+	"dependencyDashboardAutoclose": true
-  "major": {
-    "dependencyDashboardApproval": true
-  },
-  "dependencyDashboardAutoclose": true,
-  "rangeStrategy": "bump"
 }

src/app.css

@@ -1,119 +0,0 @@
-@import '@fontsource-variable/recursive/crsv.css';
-@import 'tailwindcss';
-@import 'tw-animate-css';
-
-@custom-variant dark (&:is(.dark *));
-
-@layer base {
-  *,
-  ::after,
-  ::before,
-  ::backdrop,
-  ::file-selector-button {
-    border-color: var(--color-gray-200, currentcolor);
-  }
-}
-
-@layer base {
-  :root {
-    --background: hsl(0 0% 100%);
-    --foreground: hsl(222.2 84% 4.9%);
-    --card: hsl(0 0% 100%);
-    --card-foreground: hsl(222.2 84% 4.9%);
-    --popover: hsl(0 0% 100%);
-    --popover-foreground: hsl(222.2 84% 4.9%);
-    --primary: hsl(240 10% 91%);
-    --primary-foreground: hsl(255 20% 15%);
-    --secondary: hsl(210 40% 96.1%);
-    --secondary-foreground: hsl(222.2 47.4% 11.2%);
-    --muted: hsl(228 24% 96%);
-    --muted-foreground: hsl(215.4 16.3% 46.9%);
-    --accent: hsl(340 100% 44%);
-    --accent-foreground: hsl(210 40% 98%);
-    --destructive: hsl(0 72.22% 50.59%);
-    --destructive-foreground: hsl(210 40% 98%);
-    --border: hsl(214.3 31.8% 91.4%);
-    --border-dark: hsl(214.3 31.8% 81.4%);
-    --input: hsl(214.3 31.8% 91.4%);
-    --ring: hsl(222.2 84% 4.9%);
-    --radius: 0.75rem;
-  }
-  .dark {
-    --background: hsl(222.2 84% 4.9%);
-    --foreground: hsl(210 40% 98%);
-    --card: hsl(222.2 84% 4.9%);
-    --card-foreground: hsl(210 40% 98%);
-    --popover: hsl(222.2 84% 4.9%);
-    --popover-foreground: hsl(210 40% 98%);
-    --primary: hsl(210 40% 30%);
-    --primary-foreground: hsl(222.2 47.4% 90%);
-    --secondary: hsl(217.2 32.6% 17.5%);
-    --secondary-foreground: hsl(210 40% 98%);
-    --muted: hsl(217.2 32.6% 17.5%);
-    --muted-foreground: hsl(215 20.2% 65.1%);
-    --accent: hsl(340 100% 44%);
-    --accent-foreground: hsl(210 40% 98%);
-    --destructive: hsl(0 62.8% 30.6%);
-    --destructive-foreground: hsl(210 40% 98%);
-    --border: hsl(217.2 32.6% 17.5%);
-    --border-dark: hsl(217.2 32.6% 27.5%);
-    --input: hsl(217.2 32.6% 17.5%);
-    --ring: hsl(212.7 26.8% 83.9%);
-  }
-}
-
-@theme inline {
-  /* Radius (for rounded-*) */
-  --radius-sm: calc(var(--radius) - 4px);
-  --radius-md: calc(var(--radius) - 2px);
-  --radius-lg: var(--radius);
-  --radius-xl: calc(var(--radius) + 4px);
-
-  /* Colors */
-  --color-background: var(--background);
-  --color-foreground: var(--foreground);
-  --color-muted: var(--muted);
-  --color-muted-foreground: var(--muted-foreground);
-  --color-popover: var(--popover);
-  --color-popover-foreground: var(--popover-foreground);
-  --color-card: var(--card);
-  --color-card-foreground: var(--card-foreground);
-  --color-border: var(--border);
-  --color-border-dark: var(--border-dark);
-  --color-input: var(--input);
-  --color-primary: var(--primary);
-  --color-primary-foreground: var(--primary-foreground);
-  --color-secondary: var(--secondary);
-  --color-secondary-foreground: var(--secondary-foreground);
-  --color-accent: var(--accent);
-  --color-accent-foreground: var(--accent-foreground);
-  --color-destructive: var(--destructive);
-  --color-destructive-foreground: var(--destructive-foreground);
-  --color-ring: var(--ring);
-  --color-radius: var(--radius);
-  --color-sidebar: var(--sidebar);
-  --color-sidebar-foreground: var(--sidebar-foreground);
-  --color-sidebar-primary: var(--sidebar-primary);
-  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
-  --color-sidebar-accent: var(--sidebar-accent);
-  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
-  --color-sidebar-border: var(--sidebar-border);
-  --color-sidebar-ring: var(--sidebar-ring);
-}
-
-@layer base {
-  * {
-    @apply border-border;
-  }
-  body {
-    @apply h-screen w-screen overflow-hidden bg-background text-foreground;
-  }
-}
-
-body {
-  font-family: 'Recursive Variable', sans-serif;
-}
-
-.d {
-  @apply border border-red-500;
-}

src/app.html

@@ -1,20 +1,57 @@
-<!doctype html>
+<!DOCTYPE html>
 <html lang="en">
-  <head>
+	<head>
-    <meta charset="utf-8" />
+		<meta charset="utf-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1" />
+		<meta name="viewport" content="width=device-width, initial-scale=1" />
-    <title>Online FlowChart &amp; Diagrams Editor - Mermaid Live Editor</title>
+		<title>Online FlowChart &amp; Diagrams Editor - Mermaid Live Editor</title>
-    <meta name="og:image" content="%sveltekit.assets%/favicon.svg" />
+		<meta
-    <meta
+			name="og:image"
-      name="description"
+			content="https://github.com/mermaid-js/mermaid/raw/develop/img/header.png" />
-      content="Simplify documentation and avoid heavy tools. Open source Visio Alternative. Commonly used for explaining your code! Mermaid is a simple markdown-like script language for generating charts from text via javascript." />
+		<link rel="canonical" href="https://mermaid.live" />
-    <link rel="icon" type="image/png" href="%sveltekit.assets%/favicon.svg" />
+		<meta
-    <link rel="mask-icon" href="%sveltekit.assets%/favicon.svg" color="#000000" />
+			name="description"
-    <meta name="theme-color" content="#ff3670" />
+			content="Simplify documentation and avoid heavy tools. Open source Visio Alternative. Commonly used for explaining your code! Mermaid is a simple markdown-like script language for generating charts from text via javascript." />
-    <link rel="manifest" href="%sveltekit.assets%/manifest.json" />
+		<link rel="icon" type="image/png" href="%sveltekit.assets%/favicon.svg" />
-    %sveltekit.head%
+		<link rel="mask-icon" href="%sveltekit.assets%/favicon.svg" color="#000000" />
-  </head>
+		<meta name="theme-color" content="#6366F1" />
-  <body>
+		<link rel="manifest" href="%sveltekit.assets%/manifest.json" />
-    <div id="svelte">%sveltekit.body%</div>
+		<link
-  </body>
+			rel="stylesheet"
+			href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.2.0/css/all.min.css"
+			integrity="sha512-xh6O/CkQoPOWDdYTDqeRdPCVd1SpvCA9XXcUnZS2FmJNp1coAFzvtCN9BmamE+4aHK8yyUHUSCcJHgXloTyT2A=="
+			crossorigin="anonymous"
+			referrerpolicy="no-referrer" />
+		<link
+			rel="stylesheet"
+			href="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.1/min/vs/editor/editor.main.min.css"
+			integrity="sha512-GzcoZD7y5zvBofYtImXPZaPVhoY7xLPt+ysmbPb/vU+quSKFkcngxaSrxuwprDZL4MALUqGFmnqCxQZqMozv1Q=="
+			crossorigin="anonymous"
+			referrerpolicy="no-referrer" />
+		<script>
+			var require = {
+				paths: {
+					vs: 'https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.0/min/vs'
+				}
+			};
+		</script>
+		<script
+			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.1/min/vs/loader.min.js"
+			integrity="sha512-6bIYsGqvLpAiEBXPdRQeFf5cueeBECtAKJjIHer3BhBZNTV3WLcLA8Tm3pDfxUwTMIS+kAZwTUvJ1IrMdX8C5w=="
+			crossorigin="anonymous"
+			referrerpolicy="no-referrer"></script>
+		<script
+			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.1/min/vs/editor/editor.main.nls.min.js"
+			integrity="sha512-CCv+DKWw+yZhxf4Z+ExT6HC5G+3S45TeMTYcJyYbdrv4BpK2vyALJ4FoVR/KGWDIPu7w4tNCOC9MJQIkYPR5FA=="
+			crossorigin="anonymous"
+			referrerpolicy="no-referrer"></script>
+		<script
+			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.1/min/vs/editor/editor.main.js"
+			integrity="sha512-BtSZPhzoyN8kq1axY6cgOFPSgLJgFwvAZ3WxeDGxEFXeFcFuK2s7Hr+zF75npVHASUY1dxudAfIVzwmgdR89Bw=="
+			crossorigin="anonymous"
+			referrerpolicy="no-referrer"></script>
+		%sveltekit.head%
+	</head>
+	<body>
+		<div id="svelte">%sveltekit.body%</div>
+	</body>
 </html>

src/app.postcss

@@ -0,0 +1,10 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+.input {
+	@apply flex-1 border-primary border-solid border-2 rounded;
+}
+.action-btn {
+	@apply btn btn-primary;
+}

src/env.d.ts

@@ -1,17 +1,14 @@
 /// <reference types="vite/client" />
 
 interface ImportMetaEnv {
-  readonly MERMAID_RENDERER_URL?: string;
+	readonly MERMAID_RENDERER_URL: string;
-  readonly MERMAID_KROKI_RENDERER_URL?: string;
+	readonly MERMAID_KROKI_RENDERER_URL: string;
-  readonly MERMAID_ANALYTICS_URL?: string;
+	readonly MERMAID_CDN_URL: string;
-  readonly MERMAID_DOCS_URL?: string;
+	readonly MERMAID_BASE_URL: string;
-  readonly MERMAID_DOMAIN?: string;
+	readonly MERMAID_LOCAL: boolean;
-  readonly MERMAID_IS_ENABLED_MERMAID_CHART_LINKS?: string;
+	// more env variables...
-  readonly MERMAID_PRIVACY_POLICY_URL?: string;
-  readonly MERMAID_HIDE_PRIVACY_POLICY?: string;
-  // more env variables...
 }
 
 interface ImportMeta {
-  readonly env: ImportMetaEnv;
+	readonly env: ImportMetaEnv;
 }

src/global.d.ts

@@ -1 +1,15 @@
+/* eslint-disable @typescript-eslint/no-empty-interface */
+/* eslint-disable @typescript-eslint/ban-types */
+/* eslint-disable @typescript-eslint/no-unused-vars */
+
 /// <reference types="@sveltejs/kit" />
+import type { TestingLibraryMatchers } from '@testing-library/jest-dom/matchers';
+
+declare global {
+	namespace jest {
+		interface Matchers<R = void>
+			// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+			// @ts-ignore
+			extends TestingLibraryMatchers<typeof expect.stringContaining, R> {}
+	}
+}

src/hooks.server.ts

@@ -0,0 +1,6 @@
+import type { Handle } from '@sveltejs/kit';
+
+export const handle: Handle = async ({ event, resolve }) => {
+	const response = await resolve(event, {});
+	return response;
+};

src/lib/components/AIPromptPopup.svelte

@@ -1,174 +0,0 @@
-<script lang="ts">
-  import { Button } from '$/components/ui/button';
-  import { cn } from '$lib/utils.js';
-  import CloseIcon from '~icons/material-symbols/close-rounded';
-
-  interface Props {
-    show: boolean;
-    input: string;
-    onClose: () => void;
-    onHeightChange?: (height: number) => void;
-    onTryFree: () => void;
-  }
-
-  let { show, input = $bindable(), onClose, onHeightChange, onTryFree }: Props = $props();
-
-  let textarea = $state<HTMLTextAreaElement>();
-  let container = $state<HTMLDivElement>();
-
-  $effect(() => {
-    if (!container || !onHeightChange) return;
-    const observer = new ResizeObserver((entries) => {
-      for (const entry of entries) {
-        if (entry.target instanceof HTMLElement) {
-          onHeightChange(entry.target.offsetHeight);
-        }
-      }
-    });
-    observer.observe(container);
-    return () => observer.disconnect();
-  });
-
-  function resizeTextarea() {
-    if (!textarea) return;
-    const computed = globalThis.getComputedStyle(textarea);
-    const lineHeight =
-      Number.parseFloat(computed.lineHeight) || Number.parseFloat(computed.fontSize) * 1.5 || 0;
-    const paddingTop = Number.parseFloat(computed.paddingTop) || 0;
-    const paddingBottom = Number.parseFloat(computed.paddingBottom) || 0;
-    const minHeight = lineHeight + paddingTop + paddingBottom;
-    const maxLines = 8;
-    const maxHeight = lineHeight * maxLines + paddingTop + paddingBottom;
-
-    textarea.style.height = 'auto';
-    const nextHeight = Math.max(minHeight, Math.min(textarea.scrollHeight, maxHeight));
-    textarea.style.height = `${nextHeight}px`;
-    textarea.style.overflowY = textarea.scrollHeight > maxHeight ? 'auto' : 'hidden';
-  }
-
-  $effect(() => {
-    if (input !== undefined) {
-      resizeTextarea();
-    }
-  });
-
-  function handleKeydown(e: KeyboardEvent) {
-    if (show && e.key === 'Escape') {
-      onClose();
-    }
-  }
-
-  function handleOutsideClick(e: MouseEvent) {
-    if (show && container && e.target instanceof Node && !container.contains(e.target)) {
-      onClose();
-    }
-  }
-</script>
-
-<svelte:window onkeydown={handleKeydown} onmousedown={handleOutsideClick} />
-
-{#if show}
-  <div
-    bind:this={container}
-    class={cn(
-      'button-container-for-animation relative z-50 mr-6 flex w-auto flex-col gap-2 rounded-xl border-2 border-border bg-background p-2 shadow-xl dark:border-border-dark dark:bg-secondary',
-      !input.trim() && 'rainbow-border'
-    )}
-    role="dialog"
-    aria-modal="true"
-    tabindex="-1">
-    <div class="relative flex min-h-2 items-start gap-1 px-1">
-      <textarea
-        bind:this={textarea}
-        bind:value={input}
-        onkeydown={(e) => {
-          if (e.key === 'Enter' && !e.shiftKey) {
-            e.preventDefault();
-            if (input.trim()) {
-              onTryFree();
-            }
-          }
-        }}
-        placeholder="Describe what to add or change"
-        rows="1"
-        class="focus font-recursive min-h-0 flex-1 resize-none border-none bg-transparent px-1 text-sm font-normal text-foreground placeholder:text-muted-foreground focus:ring-0 focus:outline-none disabled:opacity-50 dark:text-foreground dark:placeholder:text-muted-foreground"
-        style="height: 20px; overflow-y: hidden;"></textarea>
-      <button onclick={onClose} class="text-muted-foreground hover:text-foreground">
-        <CloseIcon class="size-4" />
-      </button>
-    </div>
-
-    <div class="flex items-center justify-between">
-      <span class="font-recursive text-xs font-normal text-foreground dark:text-foreground"
-        >Sign Up at Mermaid.ai to try AI</span>
-      <Button
-        class="font-recursive h-6 w-16 gap-1.5 rounded-sm bg-accent p-1 text-xs font-medium text-white no-underline hover:bg-accent/90 hover:text-white hover:no-underline active:bg-accent/80 dark:bg-accent dark:text-white! dark:hover:bg-accent/90 dark:active:bg-accent/80"
-        onclick={onTryFree}>
-        Try free
-      </Button>
-    </div>
-  </div>
-{/if}
-
-<style>
-  @property --gradient-angle {
-    syntax: '<angle>';
-    initial-value: 0deg;
-    inherits: false;
-  }
-
-  @keyframes gradient-angle-shift {
-    0% {
-      --gradient-angle: 0deg;
-    }
-    100% {
-      --gradient-angle: 360deg;
-    }
-  }
-
-  .button-container-for-animation {
-    border-radius: 12px;
-  }
-
-  .button-container-for-animation::before {
-    content: '';
-    position: absolute;
-    inset: -2px;
-    border-radius: 14px;
-    padding: 2px;
-    background: conic-gradient(
-      from var(--gradient-angle, 0deg),
-      color-mix(in srgb, var(--color-accent) 0%, transparent) 0%,
-      color-mix(in srgb, var(--color-accent) 0%, transparent) 12%,
-      color-mix(in srgb, var(--color-accent) 12%, transparent) 18%,
-      color-mix(in srgb, var(--color-accent) 42%, transparent) 24%,
-      color-mix(in srgb, var(--color-accent) 77%, transparent) 32%,
-      rgba(93, 85, 212, 0.923) 41%,
-      rgba(93, 85, 212, 0.5) 52%,
-      color-mix(in srgb, var(--color-accent) 58%, transparent) 72%,
-      color-mix(in srgb, var(--color-accent) 56%, transparent) 82%,
-      color-mix(in srgb, var(--color-accent) 36%, transparent) 87%,
-      color-mix(in srgb, var(--color-accent) 19%, transparent) 92%,
-      color-mix(in srgb, var(--color-accent) 10%, transparent) 96%,
-      color-mix(in srgb, var(--color-accent) 3%, transparent) 98%,
-      color-mix(in srgb, var(--color-accent) 0%, transparent) 100%
-    );
-    -webkit-mask:
-      linear-gradient(#fff 0 0) content-box,
-      linear-gradient(#fff 0 0);
-    -webkit-mask-composite: xor;
-    mask:
-      linear-gradient(#fff 0 0) content-box,
-      linear-gradient(#fff 0 0);
-    mask-composite: exclude;
-    pointer-events: none;
-    z-index: 0;
-    opacity: 0;
-    transition: opacity 0.3s ease-out;
-  }
-
-  .button-container-for-animation.rainbow-border::before {
-    opacity: 1;
-    animation: gradient-angle-shift 2s linear infinite;
-  }
-</style>

src/lib/components/Actions.svelte

@@ -1,319 +0,0 @@
-<script lang="ts">
-  import Card from '$/components/Card/Card.svelte';
-  import CopyButton from '$/components/CopyButton.svelte';
-  import CopyInput from '$/components/CopyInput.svelte';
-  import ExternalLinkWrapper from '$/components/ExternalLinkWrapper.svelte';
-  import { Button } from '$/components/ui/button';
-  import { Input } from '$/components/ui/input';
-  import { Separator } from '$/components/ui/separator';
-  import * as ToggleGroup from '$/components/ui/toggle-group';
-  import { TID } from '$/constants';
-  import { getDomain } from '$/util/util';
-  import { browser } from '$app/environment';
-  import { waitForRender } from '$lib/util/autoSync';
-  import { inputStateStore, stateStore, urlsStore } from '$lib/util/state';
-  import { logEvent } from '$lib/util/stats';
-  import { version as FAVersion } from '@fortawesome/fontawesome-free/package.json';
-  import dayjs from 'dayjs';
-  import { toBase64 } from 'js-base64';
-  import DownloadIcon from '~icons/material-symbols/download';
-  import ExternalLinkIcon from '~icons/material-symbols/open-in-new-rounded';
-  import WidthIcon from '~icons/material-symbols/width-rounded';
-
-  const FONT_AWESOME_URL = `https://cdnjs.cloudflare.com/ajax/libs/font-awesome/${FAVersion}/css/all.min.css`;
-
-  type Exporter = (context: CanvasRenderingContext2D, image: HTMLImageElement) => () => void;
-
-  const getFileName = (extension: string) =>
-    `mermaid-diagram-${dayjs().format('YYYY-MM-DD-HHmmss')}.${extension}`;
-
-  /**
-   * Fix text clipping in exported SVG for hand-drawn (rough) mode.
-   * svg2roughjs copies foreignObject elements but their height is often insufficient,
-   * causing text bottom edges to be cut off regardless of language.
-   */
-  const fixForeignObjectClipping = (svg: HTMLElement) => {
-    const foreignObjects = svg.querySelectorAll('foreignObject');
-    foreignObjects.forEach((foreignObj) => {
-      const currentHeight = parseFloat(foreignObj.getAttribute('height') || '0');
-      if (currentHeight <= 0) return;
-
-      const currentY = parseFloat(foreignObj.getAttribute('y') || '0');
-      const newHeight = currentHeight * 1.5;
-      const heightDiff = newHeight - currentHeight;
-
-      foreignObj.setAttribute('height', newHeight.toString());
-      foreignObj.setAttribute('y', (currentY - heightDiff / 2).toString());
-
-      // Ensure inner HTML elements are vertically centered within the expanded area
-      const htmlElements = foreignObj.querySelectorAll('div, span, p');
-      htmlElements.forEach((htmlEl) => {
-        const el = htmlEl as HTMLElement;
-        el.style.display = 'flex';
-        el.style.alignItems = 'center';
-        el.style.justifyContent = 'center';
-        el.style.height = '100%';
-      });
-    });
-  };
-
-  const getSvgElement = () => {
-    const svgElement = document.querySelector('#container svg')?.cloneNode(true) as HTMLElement;
-    svgElement.setAttribute('xmlns:xlink', 'http://www.w3.org/1999/xlink');
-    return svgElement;
-  };
-
-  const getBase64SVG = (svg?: HTMLElement, width?: number, height?: number): string => {
-    if (svg) {
-      // Prevents the SVG size of the interface from being changed
-      svg = svg.cloneNode(true) as HTMLElement;
-    }
-    if (height) {
-      svg?.setAttribute('height', `${height}px`);
-    }
-    if (width) {
-      svg?.setAttribute('width', `${width}px`);
-    }
-    // Workaround https://stackoverflow.com/questions/28690643/firefox-error-rendering-an-svg-image-to-html5-canvas-with-drawimage
-
-    if (!svg) {
-      svg = getSvgElement();
-    }
-
-    if ($stateStore.rough) {
-      fixForeignObjectClipping(svg);
-    }
-
-    svg.style.backgroundColor = window
-      .getComputedStyle(document.body)
-      .getPropertyValue('--background');
-
-    const svgString = svg.outerHTML
-      .replaceAll('<br>', '<br/>')
-      .replaceAll(/<img([^>]*)>/g, (m, g: string) => `<img ${g} />`);
-
-    return toBase64(`<?xml version="1.0" encoding="UTF-8"?>
-<?xml-stylesheet href="${FONT_AWESOME_URL}" type="text/css"?>
-${svgString}`);
-  };
-
-  const simulateDownload = (download: string, href: string): void => {
-    const a = document.createElement('a');
-    a.download = download;
-    a.href = href;
-    a.click();
-    a.remove();
-  };
-
-  const exportImage = async (event: Event, exporter: Exporter) => {
-    $inputStateStore.panZoom = false;
-    await new Promise((resolve) => setTimeout(resolve, 1000));
-    await waitForRender();
-    const canvas = document.createElement('canvas');
-    const svg = document.querySelector<HTMLElement>('#container svg');
-    if (!svg) {
-      throw new Error('svg not found');
-    }
-
-    const box = svg.getBoundingClientRect();
-
-    // In rough mode, SVG has width/height="100%" so getBoundingClientRect returns
-    // the container size, not the actual diagram size. Use viewBox dimensions instead.
-    const svgEl = svg as unknown as SVGSVGElement;
-    const viewBox = svgEl.viewBox?.baseVal;
-    const contentWidth = viewBox && viewBox.width > 0 ? viewBox.width : box.width;
-    const contentHeight = viewBox && viewBox.height > 0 ? viewBox.height : box.height;
-
-    if (imageSizeMode === 'width') {
-      const ratio = contentHeight / contentWidth;
-      canvas.width = imageSize;
-      canvas.height = imageSize * ratio;
-    } else if (imageSizeMode === 'height') {
-      const ratio = contentWidth / contentHeight;
-      canvas.width = imageSize * ratio;
-      canvas.height = imageSize;
-    } else {
-      const multiplier = 2;
-      canvas.width = contentWidth * multiplier;
-      canvas.height = contentHeight * multiplier;
-    }
-
-    const context = canvas.getContext('2d');
-    if (!context) {
-      throw new Error('context not found');
-    }
-
-    context.fillStyle = window.getComputedStyle(document.body).getPropertyValue('--background');
-    context.fillRect(0, 0, canvas.width, canvas.height);
-
-    const image = new Image();
-    image.addEventListener('load', () => {
-      exporter(context, image)();
-      $inputStateStore.panZoom = true;
-    });
-    image.src = `data:image/svg+xml;base64,${getBase64SVG(svg, canvas.width, canvas.height)}`;
-    // Fallback to set panZoom to true after 2 seconds
-    // This is a workaround for the case when the image is not loaded
-    setTimeout(() => {
-      if (!$inputStateStore.panZoom) {
-        $inputStateStore.panZoom = true;
-      }
-    }, 2000);
-    event.stopPropagation();
-    event.preventDefault();
-  };
-
-  const downloadImage: Exporter = (context, image) => {
-    return () => {
-      const { canvas } = context;
-      context.drawImage(image, 0, 0, canvas.width, canvas.height);
-      simulateDownload(
-        getFileName('png'),
-        canvas.toDataURL('image/png').replace('image/png', 'image/octet-stream')
-      );
-    };
-  };
-
-  const isClipboardAvailable = (): boolean => {
-    return Object.prototype.hasOwnProperty.call(window, 'ClipboardItem');
-  };
-
-  const clipboardCopy: Exporter = (context, image) => {
-    return () => {
-      const { canvas } = context;
-      context.drawImage(image, 0, 0, canvas.width, canvas.height);
-      canvas.toBlob((blob) => {
-        try {
-          if (!blob) {
-            throw new Error('blob is empty');
-          }
-          void navigator.clipboard.write([
-            new ClipboardItem({
-              [blob.type]: blob
-            })
-          ]);
-        } catch (error) {
-          console.error(error);
-        }
-      });
-    };
-  };
-
-  const onCopyClipboard = async (event: Event) => {
-    await exportImage(event, clipboardCopy);
-    logEvent('copyClipboard');
-  };
-
-  const onDownloadPNG = async (event: Event) => {
-    await exportImage(event, downloadImage);
-    logEvent('download', {
-      type: 'png'
-    });
-  };
-
-  const onDownloadSVG = () => {
-    simulateDownload(getFileName('svg'), `data:image/svg+xml;base64,${getBase64SVG()}`);
-    logEvent('download', {
-      type: 'svg'
-    });
-  };
-
-  let gistURL = $state('');
-  stateStore.subscribe(({ loader }) => {
-    if (loader?.type === 'gist') {
-      gistURL = loader.config.url;
-    }
-  });
-
-  const loadGist = () => {
-    if (!gistURL) {
-      return alert('Please enter a Gist URL first');
-    }
-    window.location.href = `${window.location.pathname}?gist=${gistURL}`;
-    logEvent('loadGist');
-  };
-
-  let imageSizeMode: 'auto' | 'width' | 'height' = $state('auto');
-
-  $effect(() => {
-    if (!imageSizeMode) {
-      imageSizeMode = 'auto';
-    }
-  });
-
-  let imageSize = $state(1080);
-
-  const isNetlify = browser && window.location.host.includes('netlify');
-</script>
-
-{#snippet dualActionButton(text: string, download: (event: Event) => unknown, url?: string)}
-  <div class="flex flex-grow gap-0.5">
-    <Button
-      class={['flex-grow', url && 'rounded-r-none']}
-      onclick={download}
-      data-testid="download-{text}">
-      <DownloadIcon />
-      {text}
-    </Button>
-    <ExternalLinkWrapper domain={getDomain(url)} isVisible={!!url}>
-      <Button class="rounded-l-none" href={url} target="_blank" rel="noreferrer noopener">
-        <ExternalLinkIcon />
-      </Button>
-    </ExternalLinkWrapper>
-  </div>
-{/snippet}
-
-<Card title="Actions" isStackable icon={{ component: DownloadIcon, class: 'rotate-180' }}>
-  <div class="flex min-w-fit flex-col gap-2 p-2">
-    <div class="flex w-full items-center gap-2 py-2 whitespace-nowrap">
-      PNG size
-      <ToggleGroup.Root type="single" variant="outline" bind:value={imageSizeMode}>
-        <ToggleGroup.Item value="auto">Auto</ToggleGroup.Item>
-        <ToggleGroup.Item value="width">Width</ToggleGroup.Item>
-        <ToggleGroup.Item value="height">Height</ToggleGroup.Item>
-      </ToggleGroup.Root>
-      {#if imageSizeMode !== 'auto'}
-        <WidthIcon
-          class={['size-6 shrink-0 transition-all', imageSizeMode === 'width' && 'rotate-90']} />
-      {/if}
-      <Input
-        type="number"
-        min="3"
-        max="10000"
-        disabled={imageSizeMode === 'auto'}
-        bind:value={imageSize} />
-    </div>
-    <div class="flex gap-2">
-      {@render dualActionButton('PNG', onDownloadPNG, $urlsStore.png)}
-      {@render dualActionButton('SVG', onDownloadSVG, $urlsStore.svg)}
-      <ExternalLinkWrapper domain={getDomain($urlsStore.kroki)} isVisible={!!$urlsStore.kroki}>
-        <a target="_blank" rel="noreferrer" class="flex-grow" href={$urlsStore.kroki}>
-          <Button class="action-btn flex w-full items-center gap-2">
-            <ExternalLinkIcon /> Kroki
-          </Button>
-        </a>
-      </ExternalLinkWrapper>
-    </div>
-    <Separator />
-    {#if isClipboardAvailable()}
-      <CopyButton onclick={onCopyClipboard} label="Copy Image" />
-    {/if}
-    <ExternalLinkWrapper
-      labelPrefix="Thumbnail generated by"
-      domain={getDomain($urlsStore.png)}
-      isVisible={!!$urlsStore.mdCode}>
-      <CopyInput value={$urlsStore.mdCode} label="Copy Markdown" testID={TID.copyMarkdown} />
-    </ExternalLinkWrapper>
-    <div class="flex w-full items-center gap-2">
-      <Input type="url" bind:value={gistURL} placeholder="Enter Gist URL" />
-      <Button onclick={loadGist}>Load Gist</Button>
-    </div>
-    {#if isNetlify}
-      <div class="flex w-full items-center justify-center">
-        <a class="link text-sm text-gray-500 underline" href="https://netlify.com">
-          This site is powered by Netlify
-        </a>
-      </div>
-    {/if}
-  </div>
-</Card>

src/lib/components/Card/Card.svelte

@@ -1,85 +0,0 @@
-<script lang="ts">
-  import type { Tab } from '$/types';
-  import type { Component, Snippet } from 'svelte';
-  import { quintOut } from 'svelte/easing';
-  import { slide } from 'svelte/transition';
-  import CollapseAllIcon from '~icons/material-symbols/collapse-all-rounded';
-  import Tabs from './Tabs.svelte';
-
-  interface Props {
-    isClosable?: boolean;
-    isOpen?: boolean;
-    isStackable?: boolean;
-    tabs?: Tab[];
-    activeTabID?: string;
-    title?: string;
-    icon?: {
-      component: Component;
-      class?: string;
-    };
-    onselect?: (tab: Tab) => void;
-    actions?: Snippet;
-    children: Snippet;
-  }
-
-  let {
-    isClosable = true,
-    isOpen = false,
-    isStackable = false,
-    tabs = [],
-    activeTabID = '',
-    title,
-    icon,
-    onselect,
-    actions,
-    children
-  }: Props = $props();
-
-  const toggleCardOpen = () => {
-    if (isClosable) {
-      isOpen = !isOpen;
-    }
-  };
-
-  let isTabsShown = $derived(isOpen && tabs.length > 0);
-</script>
-
-<div
-  class={[
-    'card flex h-fit flex-col overflow-hidden rounded-2xl border-2 border-muted',
-    isOpen && 'isOpen flex-grow',
-    isStackable ? 'flex-1 group-has-[.isOpen]:w-full group-has-[.isOpen]:flex-none' : 'w-full'
-  ]}>
-  <div
-    role="toolbar"
-    tabindex="0"
-    class={[
-      'flex h-11 flex-none cursor-pointer items-center justify-between bg-muted p-2 whitespace-nowrap',
-      isTabsShown && 'pb-1'
-    ]}
-    onclick={toggleCardOpen}
-    onkeypress={toggleCardOpen}>
-    {#if icon || title}
-      <span role="menubar" tabindex="0" class="flex w-fit items-center gap-3">
-        {#if icon}
-          <icon.component class={icon.class} />
-        {/if}
-        {title}
-      </span>
-    {/if}
-    {#if isOpen && tabs && tabs.length > 0}
-      <Tabs {onselect} {tabs} {activeTabID} />
-    {/if}
-
-    {@render actions?.()}
-
-    {#if isOpen && isClosable}
-      <CollapseAllIcon />
-    {/if}
-  </div>
-  {#if isOpen}
-    <div class="flex-grow overflow-x-auto" transition:slide={{ easing: quintOut }}>
-      {@render children()}
-    </div>
-  {/if}
-</div>

src/lib/components/Card/Tabs.svelte

@@ -1,52 +0,0 @@
-<script lang="ts">
-  import { Button } from '$/components/ui/button';
-  import { Separator } from '$/components/ui/separator';
-  import type { Tab } from '$lib/types';
-  import { fade } from 'svelte/transition';
-
-  let {
-    tabs,
-    activeTabID,
-    onselect
-  }: {
-    tabs: Tab[];
-    activeTabID: string;
-    onselect?: (tab: Tab) => void;
-  } = $props();
-
-  if (!activeTabID && tabs.length > 0) {
-    activeTabID = tabs[0].id;
-  }
-
-  const toggleTabs = (tab: Tab) => {
-    return (event: Event) => {
-      event.stopPropagation();
-      onselect?.(tab);
-    };
-  };
-</script>
-
-<div class="flex w-fit cursor-default items-center gap-2">
-  <ul class="flex gap-2 align-middle" transition:fade>
-    {#each tabs as tab, index (tab.id)}
-      <Button
-        role="tab"
-        variant="ghost"
-        class={[
-          'px-2',
-          activeTabID === tab.id && 'rounded-b-none border-b-2 border-b-primary-foreground/50'
-        ]}
-        onclick={toggleTabs(tab)}
-        onkeypress={toggleTabs(tab)}>
-        <tab.icon />
-        {tab.title}
-      </Button>
-
-      {#if index < tabs.length - 1}
-        <div class="my-2">
-          <Separator orientation="vertical" class="w-0.5 bg-slate-300" />
-        </div>
-      {/if}
-    {/each}
-  </ul>
-</div>

src/lib/components/CopyButton.svelte

@@ -1,40 +0,0 @@
-<script lang="ts">
-  import { Button } from '$/components/ui/button';
-  import { notify } from '$/util/notify';
-  import { scale } from 'svelte/transition';
-  import CheckIcon from '~icons/material-symbols/check-rounded';
-  import CopyIcon from '~icons/material-symbols/content-copy-outline-rounded';
-
-  let {
-    onclick,
-    label = 'Copy'
-  }: { onclick: (event?: Event) => Promise<unknown>; label?: string } = $props();
-
-  let showCheckIcon = $state(false);
-</script>
-
-<Button
-  onclick={async (event) => {
-    try {
-      showCheckIcon = true;
-      setTimeout(() => {
-        showCheckIcon = false;
-      }, 1000);
-      await onclick(event);
-    } catch {
-      notify('Failed to copy');
-    }
-  }}>
-  <div class="grid">
-    {#key showCheckIcon}
-      <span transition:scale class="col-start-1 row-start-1">
-        {#if showCheckIcon}
-          <CheckIcon />
-        {:else}
-          <CopyIcon />
-        {/if}
-      </span>
-    {/key}
-  </div>
-  {label}
-</Button>

src/lib/components/CopyInput.svelte

@@ -1,25 +0,0 @@
-<script lang="ts">
-  import CopyButton from '$/components/CopyButton.svelte';
-  import { Input } from '$/components/ui/input';
-  import type { InputType } from '$/types';
-  import { copyToClipboard } from '$/util/util';
-
-  let {
-    value,
-    label = 'Copy',
-    type = 'url',
-    testID
-  }: { value: string; label?: string; type?: InputType; testID?: string } = $props();
-</script>
-
-<div class="flex w-full items-center gap-2">
-  <Input
-    {type}
-    {value}
-    data-testid={testID}
-    onclick={(event) => {
-      event.currentTarget.setSelectionRange(0, event.currentTarget.value.length);
-    }} />
-
-  <CopyButton onclick={() => copyToClipboard(value)} {label} />
-</div>

src/lib/components/DesktopEditor.svelte

@@ -1,251 +0,0 @@
-<script lang="ts">
-  import type { EditorProps } from '$/types';
-  import { env } from '$/util/env';
-  import { stateStore, urlsStore } from '$/util/state';
-  import { logMermaidChartClick } from '$/util/stats';
-  import { AIPromptViewZoneManager } from '$lib/util/AIPromptViewZoneManager';
-  import { initEditor } from '$lib/util/monacoExtra';
-  import { errorDebug } from '$lib/util/util';
-  import { mode } from 'mode-watcher';
-  import * as monaco from 'monaco-editor';
-  import monacoEditorWorker from 'monaco-editor/esm/vs/editor/editor.worker?worker';
-  import monacoJsonWorker from 'monaco-editor/esm/vs/language/json/json.worker?worker';
-  import { onMount } from 'svelte';
-  import AIPromptPopup from './AIPromptPopup.svelte';
-
-  const { onUpdate }: EditorProps = $props();
-
-  let divElement: HTMLDivElement | undefined = $state();
-  let aiPromptPopupElement: HTMLDivElement | undefined = $state();
-  let editor: monaco.editor.IStandaloneCodeEditor | undefined;
-  let editorOptions = {
-    minimap: {
-      enabled: false
-    },
-    overviewRulerLanes: 0,
-    glyphMargin: true,
-    lineNumbersMinChars: 4
-  } satisfies monaco.editor.IStandaloneEditorConstructionOptions;
-  let currentText = '';
-  let showPopup = $state(false);
-  let popupPosition = $state({ top: 0, lineNumber: 0 });
-  let decorationsCollection: monaco.editor.IEditorDecorationsCollection | undefined;
-  let input = $state('');
-  let lastMouseLine = 0;
-  const aiPromptManager = new AIPromptViewZoneManager();
-
-  const jsonModel = monaco.editor.createModel(
-    '',
-    'json',
-    monaco.Uri.parse('internal://config.json')
-  );
-  const mermaidModel = monaco.editor.createModel(
-    '',
-    'mermaid',
-    monaco.Uri.parse('internal://mermaid.mmd')
-  );
-
-  const renderAIPromptGutterGlyphIcon = () => {
-    decorationsCollection?.clear();
-    if (!editor || showPopup) {
-      return;
-    }
-    const model = editor.getModel();
-    if (!model) {
-      return;
-    }
-
-    if (lastMouseLine > 0 && model.id === mermaidModel.id) {
-      decorationsCollection?.set([
-        {
-          range: new monaco.Range(lastMouseLine, 1, lastMouseLine, 1),
-          options: {
-            glyphMarginClassName: 'suggestion-icon'
-          }
-        }
-      ]);
-    }
-  };
-
-  const closePopup = () => {
-    showPopup = false;
-    input = '';
-    aiPromptManager.hide();
-    renderAIPromptGutterGlyphIcon();
-  };
-
-  const toggleAIPopup = (lineNumber: number) => {
-    if (!divElement || !aiPromptPopupElement) return;
-    popupPosition = {
-      top: 0,
-      lineNumber
-    };
-    showPopup = !showPopup;
-    if (showPopup) {
-      aiPromptManager.show(popupPosition.lineNumber, aiPromptPopupElement, 100);
-      editor?.setSelection(new monaco.Range(0, 0, 0, 0));
-    } else {
-      aiPromptManager.hide();
-    }
-    renderAIPromptGutterGlyphIcon();
-  };
-
-  onMount(() => {
-    self.MonacoEnvironment = {
-      getWorker(_, label) {
-        if (label === 'json') {
-          return new monacoJsonWorker();
-        }
-        return new monacoEditorWorker();
-      }
-    };
-
-    if (!divElement) {
-      throw new Error('divEl is undefined');
-    }
-
-    monaco.languages.json.jsonDefaults.setDiagnosticsOptions({
-      validate: true,
-      enableSchemaRequest: true,
-      schemas: [
-        {
-          fileMatch: ['config.json'],
-          uri: `${env.docsUrl}/schemas/config.schema.json`
-        }
-      ]
-    });
-
-    initEditor(monaco);
-    errorDebug();
-    editor = monaco.editor.create(divElement, editorOptions);
-    aiPromptManager.setEditor(editor);
-    decorationsCollection = editor.createDecorationsCollection([]);
-
-    editor.onMouseDown((e) => {
-      const isGutter = e.target.type === monaco.editor.MouseTargetType.GUTTER_GLYPH_MARGIN;
-      if (isGutter && e.target.position?.lineNumber === lastMouseLine && lastMouseLine > 0) {
-        e.event.preventDefault();
-        e.event.stopPropagation();
-        toggleAIPopup(e.target.position.lineNumber);
-      }
-    });
-
-    editor.onDidChangeModelContent(({ isFlush }) => {
-      const newText = editor?.getValue();
-      if (!newText || currentText === newText || isFlush) {
-        return;
-      }
-      currentText = newText;
-      onUpdate(currentText);
-    });
-
-    const unsubscribeState = stateStore.subscribe(({ errorMarkers, editorMode, code, mermaid }) => {
-      if (!editor) {
-        return;
-      }
-
-      const model = editorMode === 'code' ? mermaidModel : jsonModel;
-
-      if (editor.getModel()?.id !== model.id) {
-        editor.setModel(model);
-        renderAIPromptGutterGlyphIcon();
-      }
-
-      // Clear decorations if not in 'code' mode, or if the model changes
-      if (editorMode !== 'code' || editor.getModel()?.id !== mermaidModel.id) {
-        decorationsCollection?.clear();
-      }
-
-      // Update editor text if it's different
-      const newText = editorMode === 'code' ? code : mermaid;
-      if (newText !== currentText) {
-        editor.setScrollTop(0);
-        editor.setValue(newText);
-        currentText = newText;
-        renderAIPromptGutterGlyphIcon();
-      }
-
-      // Display/clear errors
-      monaco.editor.setModelMarkers(model, 'mermaid', errorMarkers);
-    });
-
-    editor.onMouseMove((e) => {
-      if (!editor) return;
-      if (showPopup) return;
-      if (editor.getModel()?.id !== mermaidModel.id) return;
-
-      lastMouseLine = e.target.position?.lineNumber ?? 0;
-      renderAIPromptGutterGlyphIcon();
-    });
-
-    editor.onMouseLeave(() => {
-      lastMouseLine = 0;
-      renderAIPromptGutterGlyphIcon();
-    });
-
-    const unsubscribeMode = mode.subscribe((mode) => {
-      if (editor) {
-        monaco.editor.setTheme(`mermaid${mode === 'dark' ? '-dark' : ''}`);
-        divElement?.classList.toggle('mermaid-dark', mode === 'dark');
-      }
-    });
-    const resizeObserver = new ResizeObserver((entries) => {
-      editor?.layout({
-        height: entries[0].contentRect.height,
-        width: entries[0].contentRect.width
-      });
-    });
-
-    if (divElement.parentElement) {
-      resizeObserver.observe(divElement);
-    }
-
-    renderAIPromptGutterGlyphIcon();
-
-    return () => {
-      unsubscribeState();
-      unsubscribeMode();
-      resizeObserver.disconnect();
-      jsonModel.dispose();
-      mermaidModel.dispose();
-      aiPromptManager.destroy();
-      editor?.dispose();
-    };
-  });
-</script>
-
-<div class="relative h-full grow overflow-hidden">
-  <div bind:this={divElement} id="editor" class="h-full w-full"></div>
-  <div bind:this={aiPromptPopupElement}>
-    <AIPromptPopup
-      show={showPopup}
-      bind:input
-      onHeightChange={(height) => aiPromptManager.updateHeight(height)}
-      onClose={closePopup}
-      onTryFree={() => {
-        logMermaidChartClick('vibeDiagramming');
-        window.open($urlsStore.mermaidChart({ medium: 'vibe_diagramming' }).save, '_blank');
-        closePopup();
-      }} />
-  </div>
-</div>
-
-<style>
-  :global(.suggestion-icon) {
-    background-color: #e8eaf9;
-    width: 20px !important;
-    height: 20px !important;
-    margin-left: 4px;
-    background-image: url('/icons/use-chat.svg');
-    background-size: 16px 16px;
-    background-repeat: no-repeat;
-    background-position: center;
-    border-radius: 4px;
-    cursor: pointer;
-  }
-
-  :global(#editor.mermaid-dark .suggestion-icon) {
-    background-color: #2e4d6b;
-    background-image: url('/icons/use-chat-dark.svg');
-  }
-</style>

src/lib/components/DiagramDocumentationButton.svelte

@@ -1,114 +0,0 @@
-<script lang="ts">
-  import { Button } from '$/components/ui/button';
-  import { TID } from '$/constants';
-  import type { DocumentationConfig } from '$/types';
-  import { env } from '$/util/env';
-  import { standardizeDiagramType } from '$/util/mermaid';
-  import { stateStore } from '$/util/state';
-  import BookIcon from '~icons/material-symbols/book-2-outline-rounded';
-
-  const docURLBase = env.docsUrl;
-  const docMap = {
-    architecture: {
-      code: '/syntax/architecture.html'
-    },
-    block: {
-      code: '/syntax/block.html'
-    },
-    c4: {
-      code: '/syntax/c4.html'
-    },
-    class: {
-      code: '/syntax/classDiagram.html',
-      config: '/syntax/classDiagram.html#configuration'
-    },
-    er: {
-      code: '/syntax/entityRelationshipDiagram.html',
-      config: '/syntax/entityRelationshipDiagram.html#styling'
-    },
-    flowchart: {
-      code: '/syntax/flowchart.html',
-      config: '/syntax/flowchart.html#configuration'
-    },
-    gantt: {
-      code: '/syntax/gantt.html',
-      config: '/syntax/gantt.html#configuration'
-    },
-    gitGraph: {
-      code: '/syntax/gitgraph.html',
-      config: '/syntax/gitgraph.html#gitgraph-specific-configuration-options'
-    },
-    journey: {
-      code: '/syntax/userJourney.html'
-    },
-    kanban: {
-      code: '/syntax/kanban.html',
-      config: '/syntax/kanban.html#configuration-options'
-    },
-    mindmap: {
-      code: '/syntax/mindmap.html'
-    },
-    packet: {
-      code: '/syntax/packet.html',
-      config: '/config/schema-docs/config-defs-packet-diagram-config.html'
-    },
-    pie: {
-      code: '/syntax/pie.html',
-      config: '/syntax/pie.html#configuration'
-    },
-    quadrantChart: {
-      code: '/syntax/quadrantChart.html',
-      config: '/syntax/quadrantChart.html#chart-configurations'
-    },
-    requirement: {
-      code: '/syntax/requirementDiagram.html'
-    },
-    sankey: {
-      code: '/syntax/sankey.html',
-      config: '/syntax/sankey.html#configuration'
-    },
-    sequence: {
-      code: '/syntax/sequenceDiagram.html',
-      config: '/syntax/sequenceDiagram.html#configuration'
-    },
-    stateDiagram: {
-      code: '/syntax/stateDiagram.html'
-    },
-    timeline: {
-      code: '/syntax/timeline.html',
-      config: '/syntax/timeline.html#themes'
-    },
-    treemap: {
-      code: '/syntax/treemap.html',
-      config: '/syntax/treemap.html#configuration-options'
-    },
-    xychart: {
-      code: '/syntax/xyChart.html',
-      config: '/syntax/xyChart.html#chart-configurations'
-    },
-    zenuml: {
-      code: '/syntax/zenuml.html'
-    }
-  } as const satisfies DocumentationConfig;
-
-  const doc = $derived.by(() => {
-    const { editorMode, diagramType } = $stateStore;
-    if (!diagramType) {
-      return { key: '', url: docURLBase };
-    }
-    const key = standardizeDiagramType(diagramType);
-    const docConfig = docMap[key] ?? { code: '' };
-    const url = docURLBase + (docConfig[editorMode] ?? docConfig.code ?? '');
-    return { key, url };
-  });
-</script>
-
-<Button
-  variant="ghost"
-  data-testid={TID.diagramDocumentationButton}
-  href={doc.url}
-  target="_blank"
-  title="View documentation for {doc.key.replace('Diagram', '')} diagram">
-  <BookIcon />
-  Docs
-</Button>

src/lib/components/DropdownNavMenu.svelte

@@ -1,38 +0,0 @@
-<script lang="ts">
-  import { Button } from '$/components/ui/button';
-  import * as Popover from '$/components/ui/popover';
-  import type { Component } from 'svelte';
-
-  interface Props {
-    links: { title: string; href: string }[];
-    icon?: Component;
-    class?: string;
-  }
-
-  let props: Props = $props();
-</script>
-
-<Popover.Root>
-  <Popover.Trigger class="flex items-center gap-0">
-    <Button variant="ghost" size="sm">
-      <props.icon class={props.class} />
-    </Button>
-  </Popover.Trigger>
-  <Popover.Content>
-    <!-- svelte-ignore a11y_no_noninteractive_tabindex -->
-    <ul tabindex="0" class="flex flex-col">
-      {#each props.links as { href, title } (title)}
-        <li class="rounded-md p-2 hover:bg-muted">
-          <a
-            role="menuitem"
-            tabindex="0"
-            class="whitespace-nowrap underline"
-            target="_blank"
-            {href}>
-            {title}
-          </a>
-        </li>
-      {/each}
-    </ul>
-  </Popover.Content>
-</Popover.Root>

src/lib/components/Editor.svelte

@@ -1,83 +0,0 @@
-<script lang="ts">
-  import DesktopEditor from '$/components/DesktopEditor.svelte';
-  import McWrapper from '$/components/McWrapper.svelte';
-  import MermaidChartIcon from '$/components/MermaidChartIcon.svelte';
-  import MobileEditor from '$/components/MobileEditor.svelte';
-  import { Button } from '$/components/ui/button';
-  import { TID } from '$/constants';
-  import { env } from '$/util/env';
-  import { stateStore, updateCode, updateConfig, urlsStore } from '$lib/util/state';
-  import { logMermaidChartClick } from '$lib/util/stats';
-  import { debounce } from 'lodash-es';
-  import ExclamationCircleIcon from '~icons/material-symbols/error-outline-rounded';
-
-  const { isMobile } = $props<{ isMobile: boolean }>();
-  const onUpdate = (text: string) => {
-    if ($stateStore.editorMode === 'code') {
-      updateCode(text);
-    } else {
-      updateConfig(text);
-    }
-  };
-
-  let showError = $state(false);
-
-  const showErrorDebounced = debounce(() => {
-    showError = true;
-  }, 3000);
-
-  $effect(() => {
-    if ($stateStore.error) {
-      showErrorDebounced();
-    } else {
-      showErrorDebounced.cancel();
-      showError = false;
-    }
-
-    return () => {
-      showErrorDebounced.cancel();
-    };
-  });
-</script>
-
-<div class="flex h-full flex-col">
-  {#if isMobile}
-    <MobileEditor {onUpdate} />
-  {:else}
-    <DesktopEditor {onUpdate} />
-  {/if}
-  {#if showError && $stateStore.error instanceof Error}
-    <div class="flex flex-col text-sm" data-testid={TID.errorContainer}>
-      <div class="flex items-center justify-between gap-2 bg-slate-900 p-2 text-white">
-        <div class="flex w-fit items-center gap-2">
-          <ExclamationCircleIcon class="size-6 text-destructive" aria-hidden="true" />
-          <div class="flex flex-col">
-            <p>Syntax error</p>
-            {#if env.isEnabledMermaidChartLinks && $stateStore.editorMode === 'code'}
-              <p class="text-xs text-white/60" data-testid={TID.aiHelpText}>
-                Create a free account to repair with AI
-              </p>
-            {/if}
-          </div>
-        </div>
-        {#if $stateStore.editorMode === 'code'}
-          <McWrapper>
-            <Button
-              variant="accent"
-              size="sm"
-              data-testid={TID.aiRepairButton}
-              href={$urlsStore.mermaidChart({ medium: 'ai_repair' }).save}
-              target="_blank"
-              onclick={() => logMermaidChartClick('aiRepair')}>
-              <MermaidChartIcon />
-              AI Repair
-            </Button>
-          </McWrapper>
-        {/if}
-      </div>
-      <output class="max-h-32 overflow-auto bg-muted p-2" name="mermaid-error" for="editor">
-        <pre>{$stateStore.error?.toString()}</pre>
-      </output>
-    </div>
-  {/if}
-</div>

src/lib/components/EnhancedEditsButton.svelte

@@ -1,118 +0,0 @@
-<script lang="ts">
-  import McWrapper from '$/components/McWrapper.svelte';
-  import MermaidChartIcon from '$/components/MermaidChartIcon.svelte';
-  import { Button } from '$/components/ui/button';
-  import { standardizeDiagramType } from '$/util/mermaid';
-  import { stateStore, urlsStore } from '$/util/state';
-  import { logMermaidChartClick } from '$/util/stats';
-  import { quintInOut } from 'svelte/easing';
-  import { slide } from 'svelte/transition';
-
-  const visualEditDiagramTypes = new Set([
-    'flowchart',
-    'stateDiagram',
-    'classDiagram',
-    'sequenceDiagram',
-    'er',
-    'requirement',
-    'mindmap'
-  ]);
-
-  const diagramType = $derived.by(() => {
-    const dt = $stateStore.diagramType;
-    return dt ? standardizeDiagramType(dt) : undefined;
-  });
-
-  const showVisualEdit = $derived.by(() => {
-    return diagramType ? visualEditDiagramTypes.has(diagramType) : false;
-  });
-
-  interface EnhancedEditAction {
-    campaign: string;
-    label: string;
-    medium: 'ai_edit' | 'visual_edit' | 'voice_edit';
-    source: string;
-  }
-
-  let currentActionMedium = $state<EnhancedEditAction['medium'] | undefined>(undefined);
-  let previousDiagramType = $state<string | undefined>(undefined);
-
-  const availableActions = $derived.by<EnhancedEditAction[]>(() => {
-    if (!$stateStore.diagramType) {
-      return [];
-    }
-
-    const actions: EnhancedEditAction[] = [
-      { campaign: 'ai_1', label: 'with AI', medium: 'ai_edit', source: 'aiEdit' },
-      { campaign: 'voice_1', label: 'with Voice', medium: 'voice_edit', source: 'voiceEdit' }
-    ];
-
-    if (showVisualEdit) {
-      actions.unshift({
-        campaign: 'visual_1',
-        label: 'Visually',
-        medium: 'visual_edit',
-        source: 'visualEdit'
-      });
-    }
-
-    return actions;
-  });
-
-  const currentAction = $derived.by(() => {
-    const actions = availableActions;
-    if (actions.length === 0) {
-      return undefined;
-    }
-
-    return actions.find(({ medium }) => medium === currentActionMedium) ?? actions[0];
-  });
-
-  $effect(() => {
-    const actions = availableActions;
-
-    if (!diagramType || actions.length === 0) {
-      return;
-    }
-
-    const hasCurrentAction = actions.some(({ medium }) => medium === currentActionMedium);
-
-    if (diagramType !== previousDiagramType || !hasCurrentAction) {
-      currentActionMedium = actions[Math.floor(Math.random() * actions.length)].medium;
-      previousDiagramType = diagramType;
-    }
-  });
-
-  $effect(() => {
-    if (diagramType) {
-      return;
-    }
-
-    previousDiagramType = undefined;
-  });
-</script>
-
-{#if currentAction}
-  <McWrapper>
-    <Button
-      variant="secondary"
-      size="sm"
-      href={$urlsStore.mermaidChart({
-        medium: currentAction.medium,
-        campaign: currentAction.campaign
-      }).save}
-      target="_blank"
-      onclick={() => logMermaidChartClick(currentAction.source)}>
-      <MermaidChartIcon />
-      Edit
-      {#key currentAction.label}
-        <span
-          class="-ml-1"
-          in:slide={{ axis: 'x', easing: quintInOut, delay: 400 }}
-          out:slide={{ axis: 'x', easing: quintInOut }}>
-          {currentAction.label}
-        </span>
-      {/key}
-    </Button>
-  </McWrapper>
-{/if}

src/lib/components/ExternalLinkWrapper.svelte

@@ -1,63 +0,0 @@
-<script lang="ts">
-  import { stateStore } from '$/util/state';
-  import * as Tooltip from '$lib/components/ui/tooltip';
-  import type { ComponentProps, Snippet } from 'svelte';
-  import ExternalLinkIcon from '~icons/material-symbols/open-in-new-rounded';
-
-  let {
-    children,
-    domain,
-    shouldCheckDiagramType = true,
-    side = 'bottom',
-    labelPrefix = 'Opens your diagram in',
-    isVisible = true,
-    sharesData = true,
-    showPopup = true
-  }: {
-    children: Snippet;
-    domain: string;
-    shouldCheckDiagramType?: boolean;
-    side?: ComponentProps<typeof Tooltip.Content>['side'];
-    labelPrefix?: string;
-    isVisible?: boolean;
-    sharesData?: boolean;
-    showPopup?: boolean;
-  } = $props();
-
-  let shouldDisableComponent = $derived(
-    shouldCheckDiagramType && $stateStore.diagramType === 'zenuml'
-  );
-</script>
-
-{#if isVisible}
-  <Tooltip.Provider>
-    <Tooltip.Root delayDuration={100}>
-      <Tooltip.Trigger>
-        <div class={[shouldDisableComponent && 'pointer-events-none cursor-not-allowed grayscale']}>
-          {@render children()}
-        </div>
-      </Tooltip.Trigger>
-      {#if showPopup}
-        <Tooltip.Content {side} class="bg-secondary shadow-xl">
-          <div
-            class="flex cursor-help items-center gap-2"
-            title={sharesData
-              ? 'Your diagram will be sent to the external service'
-              : 'Your diagram is not shared'}>
-            {#if shouldDisableComponent}
-              <div class="text-muted-foreground">
-                This diagram type is not supported in {domain}
-              </div>
-            {:else}
-              <ExternalLinkIcon />
-              <span class="flex items-center gap-1">
-                {labelPrefix}
-                <div class="text-accent">{domain}</div>
-              </span>
-            {/if}
-          </div>
-        </Tooltip.Content>
-      {/if}
-    </Tooltip.Root>
-  </Tooltip.Provider>
-{/if}

src/lib/components/FloatingToolbar.svelte

@@ -1,13 +0,0 @@
-<script lang="ts">
-  import type { Snippet } from 'svelte';
-
-  interface Props {
-    children: Snippet;
-  }
-
-  let { children }: Props = $props();
-</script>
-
-<div class="flex h-12 items-center justify-between gap-2 rounded-2xl bg-muted p-3">
-  {@render children()}
-</div>

src/lib/components/FontAwesome.svelte

@@ -1,53 +0,0 @@
-<!--
-  @component
-  Exports a `waitForFontAwesomeToLoad` function that waits for FontAwesome to load.
-
-  Usage:
-
-  ```svelte
-  <script lang="ts">
-    import FontAwesome from '$lib/client/components/FontAwesome';
-    let waitForFontAwesomeToLoad: FontAwesome["waitForFontAwesomeToLoad"];
-  </script>
-  <FontAwesome bind:waitForFontAwesomeToLoad />
-  ```
--->
-<script context="module" lang="ts">
-  /**
-   * Returns `true` if the code may contain FontAwesome icons, and we should
-   * wait for the fonts to load before rendering.
-   */
-  export function mayContainFontAwesome(code: string) {
-    // taken from https://github.com/mermaid-js/mermaid/blob/7043892e871d0c413ec63dc1570a8ef738d15568/packages/mermaid/src/diagrams/flowchart/flowRenderer-v2.js#L63
-    // Not ideal, since we're looking at unparsed code.
-    const regex = /fa[blrs]?:fa-[\w-]+/g;
-    return regex.test(code);
-  }
-</script>
-
-<script lang="ts">
-  // Vite will automatically take care of adding this to our `<head>`
-  let lazyLoadFontAwesomeCSS = import('./FontAwesomeCSS.svelte');
-
-  let fontsLoaded = (async () => {
-    await lazyLoadFontAwesomeCSS;
-
-    // Once the stylesheet has been parsed, the fonts will be in document.fonts
-    // TODO: Maybe we should scan the CSS style sheet only, and only load FontAwesome fonts
-    await Promise.allSettled(Array.from(document.fonts, (font) => font.load()));
-  })();
-
-  /**
-   * Wait for FontAwesome to load.
-   *
-   * @returns A promise that resolves when FontAwesome is
-   * loaded, or there was an error that we ignore.
-   */
-  export async function waitForFontAwesomeToLoad() {
-    return await fontsLoaded;
-  }
-</script>
-
-{#await lazyLoadFontAwesomeCSS then FontAwesomeCSS}
-  <FontAwesomeCSS.default />
-{/await}

src/lib/components/FontAwesomeCSS.svelte

@@ -1,14 +0,0 @@
-<!--
-    @component
-    
-    Imports the FontAwesome CSS file.
-
-    Needed, since the `@sveltejs/adapter-node` plugin doesn't seem to support
-    lazy-importing CSS, even though `@sveltejs/adapter-vercel` is fine with it!
-
-    However, making a `.svelte` file that imports the CSS file, and then
-    lazy-loading the `.svelte` file works.
--->
-<script lang="ts">
-  import '@fortawesome/fontawesome-free/css/all.css';
-</script>

src/lib/components/History/History.svelte

@@ -1,212 +0,0 @@
-<script lang="ts">
-  import Card from '$lib/components/Card/Card.svelte';
-  import type { HistoryEntry, HistoryType, State, Tab } from '$lib/types';
-  import { notify, prompt } from '$lib/util/notify';
-  import { getStateString, inputStateStore } from '$lib/util/state';
-  import { logEvent } from '$lib/util/stats';
-  import dayjs from 'dayjs';
-  import dayjsRelativeTime from 'dayjs/plugin/relativeTime';
-  import { onMount } from 'svelte';
-  import { get } from 'svelte/store';
-  import BookmarkIcon from '~icons/material-symbols/bookmark-outline-rounded';
-  import TrashAltIcon from '~icons/material-symbols/delete-outline-rounded';
-  import DownloadIcon from '~icons/material-symbols/download-rounded';
-  import SaveIcon from '~icons/material-symbols/save-outline-rounded';
-  import UndoIcon from '~icons/material-symbols/settings-backup-restore-rounded';
-  import UploadIcon from '~icons/material-symbols/upload-rounded';
-  import HistoryIcon from '~icons/mdi/clock-outline';
-  import GitAltIcon from '~icons/mdi/git';
-  import { Button } from '../ui/button';
-  import { Separator } from '../ui/separator';
-  import {
-    addHistoryEntry,
-    clearHistoryData,
-    getPreviousState,
-    historyModeStore,
-    historyStore,
-    loaderHistoryStore,
-    restoreHistory
-  } from './history';
-
-  dayjs.extend(dayjsRelativeTime);
-
-  const HISTORY_SAVE_INTERVAL = 60_000;
-
-  const tabSelectHandler = (tab: Tab) => {
-    historyModeStore.set(tab.id as HistoryType);
-  };
-
-  let tabs: Tab[] = $state([
-    {
-      id: 'manual',
-      title: 'Saved',
-      icon: BookmarkIcon
-    },
-    {
-      id: 'auto',
-      title: 'Timeline',
-      icon: HistoryIcon
-    }
-  ]);
-
-  const downloadHistory = () => {
-    const data = get(historyStore);
-    const blob = new Blob([JSON.stringify(data)], { type: 'application/json' });
-    const url = URL.createObjectURL(blob);
-    const a = document.createElement('a');
-    a.href = url;
-    a.download = `mermaid-history-${dayjs().format('YYYY-MM-DD-HHmmss')}.json`;
-    a.click();
-    URL.revokeObjectURL(url);
-    logEvent('history', {
-      action: 'download'
-    });
-  };
-
-  const uploadHistory = () => {
-    const input = document.createElement('input');
-    input.type = 'file';
-    input.accept = 'application/json';
-    input.addEventListener('change', async ({ target }: Event) => {
-      const file = (target as HTMLInputElement)?.files?.[0];
-      if (!file) {
-        return;
-      }
-      const data: HistoryEntry[] = JSON.parse(await file.text());
-      restoreHistory(data);
-    });
-    input.click();
-  };
-
-  const saveHistory = (auto = false) => {
-    const currentState: string = getStateString();
-    const previousState: string = getPreviousState(auto);
-    if (previousState !== currentState) {
-      addHistoryEntry({
-        state: $inputStateStore,
-        time: Date.now(),
-        type: auto ? 'auto' : 'manual'
-      });
-    } else if (!auto) {
-      notify('State already saved.');
-    }
-  };
-
-  const clearHistory = (id?: string): void => {
-    if (!id && !prompt('Clear all saved items?')) {
-      return;
-    }
-    clearHistoryData(id);
-  };
-
-  const restoreHistoryItem = (state: State): void => {
-    inputStateStore.set({ ...state, updateDiagram: true });
-  };
-
-  onMount(() => {
-    historyModeStore.set('manual');
-    setInterval(() => {
-      saveHistory(true);
-    }, HISTORY_SAVE_INTERVAL);
-  });
-
-  loaderHistoryStore.subscribe((entries) => {
-    if (entries.length > 0 && tabs.length === 2) {
-      tabs = [
-        {
-          id: 'loader',
-          title: 'Revisions',
-          icon: GitAltIcon
-        },
-        ...tabs
-      ];
-      historyModeStore.set('loader');
-    }
-  });
-</script>
-
-<Card onselect={tabSelectHandler} isOpen isClosable={false} {tabs}>
-  {#snippet actions()}
-    <div class="flex items-center gap-2">
-      <Button
-        size="icon"
-        variant="ghost"
-        id="uploadHistory"
-        onclick={uploadHistory}
-        title="Upload history"><UploadIcon /></Button>
-      {#if $historyStore.length > 0}
-        <Button
-          id="downloadHistory"
-          size="icon"
-          variant="ghost"
-          onclick={downloadHistory}
-          title="Download history"><DownloadIcon /></Button>
-      {/if}
-      <Separator orientation="vertical" />
-      <Button
-        id="saveHistory"
-        size="icon"
-        variant="ghost"
-        onclick={() => saveHistory()}
-        title="Save current state"><SaveIcon /></Button>
-      {#if $historyModeStore !== 'loader'}
-        <Button
-          id="clearHistory"
-          size="icon"
-          variant="ghost"
-          class="hover:text-destructive"
-          onclick={() => clearHistory()}
-          title="Delete all saved states"><TrashAltIcon /></Button>
-      {/if}
-    </div>
-  {/snippet}
-  <ul class="flex h-full min-w-fit flex-col gap-2 overflow-auto p-2" id="historyList">
-    {#if $historyStore.length > 0}
-      {#each $historyStore as { id, state, time, name, url, type } (id)}
-        <li class="flex flex-col gap-2">
-          <div class="flex items-center justify-between">
-            <div class="flex flex-col">
-              {#if url}
-                <a
-                  href={url}
-                  target="_blank"
-                  title="Open revision in new tab"
-                  class="text-blue-500 hover:underline">{name}</a>
-              {:else}
-                <span class="whitespace-nowrap">{name}</span>
-              {/if}
-              <span class="text-xs whitespace-nowrap text-primary-foreground/30">
-                {new Date(time).toLocaleString()}
-              </span>
-            </div>
-
-            <div class="flex items-center gap-2">
-              <span class="text-sm whitespace-nowrap text-primary-foreground/50">
-                {dayjs(time).fromNow()}
-              </span>
-              <Button size="icon" variant="ghost" onclick={() => restoreHistoryItem(state)}>
-                <UndoIcon />
-              </Button>
-              {#if type !== 'loader'}
-                <Button
-                  size="icon"
-                  variant="ghost"
-                  class="hover:text-destructive"
-                  onclick={() => clearHistory(id)}>
-                  <TrashAltIcon />
-                </Button>
-              {/if}
-            </div>
-          </div>
-          <Separator />
-        </li>
-      {/each}
-    {:else}
-      <div class="m-2 text-center">
-        No items in History<br />
-        Click the Save button to save current state and restore it later.<br />
-        Timeline will automatically be saved every minute.
-      </div>
-    {/if}
-  </ul>
-</Card>

src/lib/components/History/history.test.ts

@@ -1,126 +0,0 @@
-import type { HistoryEntry } from '$lib/types';
-import { defaultState } from '$lib/util/state';
-import { get } from 'svelte/store';
-import { describe, expect, it } from 'vitest';
-import {
-  addHistoryEntry,
-  clearHistoryData,
-  historyModeStore,
-  historyStore,
-  injectHistoryIDs
-} from './history';
-
-describe('history', () => {
-  it('should handle saving individual history entry', () => {
-    expect(window.localStorage.getItem('manualHistoryStore')).toBe('[]');
-    expect(window.localStorage.getItem('autoHistoryStore')).toBe('[]');
-
-    addHistoryEntry({
-      state: defaultState,
-      time: 12_345,
-      type: 'manual'
-    });
-
-    const [manualEntry] = JSON.parse(
-      window.localStorage.getItem('manualHistoryStore') ?? '[]'
-    ) as HistoryEntry[];
-
-    expect(manualEntry.time).toBe(12_345);
-    expect(manualEntry.type).toBe('manual');
-    expect(manualEntry.name).not.toBeNull();
-    expect(manualEntry.state).not.toBeNull();
-
-    addHistoryEntry({
-      state: defaultState,
-      time: 54_321,
-      type: 'auto'
-    });
-
-    const [autoEntry] = JSON.parse(
-      window.localStorage.getItem('autoHistoryStore') ?? '[]'
-    ) as HistoryEntry[];
-
-    expect(autoEntry.time).toBe(54_321);
-    expect(autoEntry.type).toBe('auto');
-    expect(autoEntry.name).not.toBeNull();
-    expect(autoEntry.state).not.toBeNull();
-
-    historyModeStore.set('manual');
-    clearHistoryData();
-    historyModeStore.set('auto');
-    clearHistoryData();
-    expect(window.localStorage.getItem('manualHistoryStore')).toBe('[]');
-    expect(window.localStorage.getItem('autoHistoryStore')).toBe('[]');
-  });
-
-  it('should clear history entries', () => {
-    addHistoryEntry({
-      state: defaultState,
-      time: 12_345,
-      type: 'manual'
-    });
-    addHistoryEntry({
-      state: { ...defaultState, code: 'graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)' },
-      time: 123_456,
-      type: 'manual'
-    });
-
-    historyModeStore.set('manual');
-    const store: HistoryEntry[] = get(historyStore);
-    expect(store.length).toBe(2);
-    clearHistoryData(store[1].id);
-    expect(get(historyStore).length).toBe(1);
-    clearHistoryData();
-    expect(get(historyStore).length).toBe(0);
-
-    historyModeStore.set('auto');
-    addHistoryEntry({
-      state: defaultState,
-      time: 54_321,
-      type: 'auto'
-    });
-    addHistoryEntry({
-      state: { ...defaultState, code: 'graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)' },
-      time: 654_321,
-      type: 'auto'
-    });
-    expect(get(historyStore).length).toBe(2);
-    clearHistoryData();
-    expect(get(historyStore).length).toBe(0);
-    // Test calling when history is empty
-    clearHistoryData();
-    expect(get(historyStore).length).toBe(0);
-  });
-});
-
-describe('history migration', () => {
-  it('should inject history IDs as migration', () => {
-    window.localStorage.setItem(
-      'manualHistoryStore',
-      '[{"state":{"code":"graph TD\\n    A[Halloween] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":false},"time":0,"type":"manual","name":"hollow-art"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":true},"time":0,"type":"manual","name":"helpful-ocean"}]'
-    );
-    window.localStorage.setItem(
-      'autoHistoryStore',
-      '[{"state":{"code":"graph TD\\n    A[New Year] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":false},"time":0,"type":"auto","name":"barking-dog"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":true},"time":0,"type":"manual","name":"needy-mosquito"}]'
-    );
-    let manualHistoryStore = JSON.parse(
-        window.localStorage.getItem('manualHistoryStore') ?? '[]'
-      ) as HistoryEntry[],
-      autoHistoryStore = JSON.parse(
-        window.localStorage.getItem('autoHistoryStore') ?? '[]'
-      ) as HistoryEntry[];
-    expect(manualHistoryStore.every(({ id }) => id !== undefined)).toBe(false);
-    expect(autoHistoryStore.every(({ id }) => id !== undefined)).toBe(false);
-
-    injectHistoryIDs();
-
-    manualHistoryStore = JSON.parse(
-      window.localStorage.getItem('manualHistoryStore') ?? '[]'
-    ) as HistoryEntry[];
-    autoHistoryStore = JSON.parse(
-      window.localStorage.getItem('autoHistoryStore') ?? '[]'
-    ) as HistoryEntry[];
-    expect(manualHistoryStore.every(({ id }) => id !== undefined)).toBe(true);
-    expect(autoHistoryStore.every(({ id }) => id !== undefined)).toBe(true);
-  });
-});

src/lib/components/History/history.ts

@@ -1,151 +0,0 @@
-import type { HistoryEntry, HistoryType, Optional } from '$lib/types';
-import { localStorage, persist } from '$lib/util/persist';
-import { logEvent } from '$lib/util/stats';
-import { generateSlug } from 'random-word-slugs';
-import type { Readable, Writable } from 'svelte/store';
-import { derived, get, writable } from 'svelte/store';
-import { v4 as uuidV4 } from 'uuid';
-
-const MAX_AUTO_HISTORY_LENGTH = 30;
-
-export const historyModeStore: Writable<HistoryType> = persist(
-  writable('manual'),
-  localStorage(),
-  'autoHistoryMode'
-);
-
-const autoHistoryStore: Writable<HistoryEntry[]> = persist(
-  writable([]),
-  localStorage(),
-  'autoHistoryStore'
-);
-
-const manualHistoryStore: Writable<HistoryEntry[]> = persist(
-  writable([]),
-  localStorage(),
-  'manualHistoryStore'
-);
-
-export const loaderHistoryStore: Writable<HistoryEntry[]> = writable([]);
-
-export const historyStore: Readable<HistoryEntry[]> = derived(
-  [historyModeStore, autoHistoryStore, manualHistoryStore, loaderHistoryStore],
-  ([historyMode, autoHistories, manualHistories, loadedHistories], set) => {
-    switch (historyMode) {
-      case 'auto': {
-        set(autoHistories);
-        break;
-      }
-      case 'manual': {
-        set(manualHistories);
-        break;
-      }
-      case 'loader': {
-        set(loadedHistories);
-        break;
-      }
-      default: {
-        set(autoHistories);
-      }
-    }
-  }
-);
-
-export const addHistoryEntry = (entryToAdd: Optional<HistoryEntry, 'id'>): void => {
-  const entry: HistoryEntry = {
-    ...entryToAdd,
-    id: uuidV4()
-  };
-
-  if (entry.type === 'loader') {
-    loaderHistoryStore.update((entries) => [entry, ...entries]);
-    return;
-  }
-
-  if (!entry.name) {
-    entry.name = generateSlug(2);
-  }
-
-  if (entry.type === 'auto') {
-    autoHistoryStore.update((entries) => {
-      if (entries.length >= MAX_AUTO_HISTORY_LENGTH) {
-        entries = entries.slice(0, MAX_AUTO_HISTORY_LENGTH - 1);
-      }
-      return [entry, ...entries];
-    });
-  }
-
-  manualHistoryStore.update((entries) => [entry, ...entries]);
-  logEvent('history', { action: 'save' });
-};
-
-export const clearHistoryData = (idToClear?: string): void => {
-  (get(historyModeStore) === 'auto' ? autoHistoryStore : manualHistoryStore).update((entries) => {
-    if (get(historyModeStore) !== 'loader') {
-      entries = entries.filter(({ id }) => idToClear && id != idToClear);
-      logEvent('history', { action: 'clear', type: idToClear ? 'single' : 'all' });
-    }
-    return entries;
-  });
-};
-
-export const getPreviousState = (auto: boolean): string => {
-  const entries = get(auto ? autoHistoryStore : manualHistoryStore);
-  if (entries.length > 0) {
-    return JSON.stringify(entries[0].state);
-  }
-  return '';
-};
-
-export const restoreHistory = (data: HistoryEntry[]) => {
-  const entries = data.filter((element) => validateEntry(element));
-  const invalidEntryCount = data.length - entries.length;
-  if (invalidEntryCount > 0) {
-    console.error(`${invalidEntryCount} invalid history entries were removed.`);
-    console.error(data);
-  }
-  if (entries.length > 0) {
-    let entryCount = 0;
-    (entries[0].type === 'auto' ? autoHistoryStore : manualHistoryStore).update((existing) => {
-      const existingIDs = new Set(existing.map(({ id }) => id));
-      const newEntries = entries.filter(({ id }) => !existingIDs.has(id));
-      entryCount = newEntries.length;
-      const combined = [...existing, ...newEntries];
-      combined.sort((a, b) => b.time - a.time);
-      return combined;
-    });
-
-    alert(
-      `${entryCount} entries restored. ${invalidEntryCount} invalid, ${
-        entries.length - entryCount
-      } duplicates.`
-    );
-    logEvent('history', {
-      action: 'restore',
-      success: entryCount,
-      invalid: invalidEntryCount,
-      duplicates: entries.length - entryCount
-    });
-  } else {
-    alert('No valid entries found.');
-  }
-};
-const setIDs = (entries: HistoryEntry[]) => {
-  for (const entry of entries) {
-    if (!entry.id) {
-      entry.id = uuidV4();
-    }
-  }
-  return entries;
-};
-
-export const injectHistoryIDs = (): void => {
-  autoHistoryStore.update(setIDs);
-  manualHistoryStore.update(setIDs);
-};
-
-const validateEntry = (entry: HistoryEntry): boolean => {
-  // eslint-disable-next-line @typescript-eslint/ban-ts-comment
-  // @ts-expect-error
-  return entry.type && entry.state && entry.time && true;
-};

src/lib/components/MainMenu.svelte

@@ -1,143 +0,0 @@
-<script lang="ts">
-  import McWrapper from '$/components/McWrapper.svelte';
-  import * as Popover from '$/components/ui/popover';
-  import { Switch } from '$/components/ui/switch';
-  import { env } from '$/util/env';
-  import { urlsStore } from '$/util/state';
-  import { logMermaidChartClick } from '$/util/stats';
-  import { cn } from '$/utils';
-  import { mode, setMode } from 'mode-watcher';
-  import type { Component, Snippet } from 'svelte';
-  import MermaidTailIcon from '~icons/custom/mermaid-tail';
-  import AddIcon from '~icons/material-symbols/add-2-rounded';
-  import BookIcon from '~icons/material-symbols/book-2-outline-rounded';
-  import DuplicateIcon from '~icons/material-symbols/content-copy-outline-rounded';
-  import ContrastIcon from '~icons/material-symbols/contrast';
-  import PluginIcon from '~icons/material-symbols/electrical-services-rounded';
-  import MenuIcon from '~icons/material-symbols/menu-rounded';
-  import CommunityIcon from '~icons/material-symbols/person-play-outline-rounded';
-  import PlaygroundIcon from '~icons/material-symbols/shape-line-outline';
-  import MermaidChartIcon from './MermaidChartIcon.svelte';
-
-  interface MenuItem {
-    label: string;
-    icon: Component;
-    href: string;
-    class?: string;
-    onclick?: () => void;
-    sharesData?: boolean;
-    checkDiagramType?: boolean;
-    isSectionEnd?: boolean;
-    renderer: (item: Omit<MenuItem, 'renderer'>) => ReturnType<Snippet>;
-  }
-
-  const menuItems: MenuItem[] = $derived([
-    { label: 'New', icon: AddIcon, href: $urlsStore.new, renderer: menuItem },
-    { label: 'Duplicate', icon: DuplicateIcon, href: window.location.href, renderer: menuItem },
-    {
-      href: $urlsStore.mermaidChart({ medium: 'main_menu' }).playground,
-      icon: PlaygroundIcon,
-      isSectionEnd: true,
-      label: 'Edit in Playground',
-      onclick: () => logMermaidChartClick('editInPlayground'),
-      renderer: mcMenuItem
-    },
-    {
-      label: 'Mermaid.js',
-      icon: MermaidTailIcon,
-      href: env.docsUrl,
-      renderer: menuItem
-    },
-    {
-      label: 'Documentation',
-      icon: BookIcon,
-      href: `${env.docsUrl}/intro/`,
-      renderer: menuItem
-    },
-    {
-      label: 'Community',
-      icon: CommunityIcon,
-      href: 'https://discord.gg/sKeNQX4Wtj',
-      renderer: menuItem
-    },
-    {
-      checkDiagramType: false,
-      href: $urlsStore.mermaidChart({ medium: 'main_menu' }).plugins,
-      icon: PluginIcon,
-      label: 'Plugins',
-      onclick: () => logMermaidChartClick('plugins'),
-      renderer: mcMenuItem,
-      sharesData: false
-    },
-    {
-      href: '#',
-      icon: ContrastIcon,
-      isSectionEnd: true,
-      label: 'Dark Mode',
-      renderer: darkModeMenuItem
-    },
-    {
-      checkDiagramType: false,
-      class: 'text-accent border-b-0',
-      href: $urlsStore.mermaidChart({ medium: 'main_menu' }).home,
-      icon: MermaidChartIcon,
-      label: 'Mermaid',
-      onclick: () => logMermaidChartClick('mermaidHome'),
-      renderer: mcMenuItem,
-      sharesData: false
-    }
-  ]);
-</script>
-
-{#snippet menuItem(options: MenuItem)}
-  <a
-    href={options.href}
-    target="_blank"
-    onclick={options.onclick}
-    class={cn(
-      'flex items-center justify-start gap-2 border-b-2 p-2 px-3 hover:bg-muted',
-      options.isSectionEnd && 'border-border-dark',
-      options.class
-    )}>
-    <options.icon class="size-5" />
-    {options.label}
-  </a>
-{/snippet}
-
-{#snippet mcMenuItem(item: MenuItem)}
-  <McWrapper
-    side="right"
-    labelPrefix={item.sharesData === false ? 'Opens a new tab in' : undefined}
-    sharesData={item.sharesData}
-    shouldCheckDiagramType={item.checkDiagramType}>
-    {@render menuItem(item)}
-  </McWrapper>
-{/snippet}
-
-{#snippet darkModeMenuItem(options: MenuItem)}
-  <div
-    class={cn(
-      'flex cursor-pointer items-center justify-between border-b-2 px-3 py-2 hover:bg-muted',
-      options.isSectionEnd && 'border-border-dark',
-      options.class
-    )}>
-    <span class="flex items-center gap-2">
-      <ContrastIcon />
-      Dark Mode
-    </span>
-    <Switch
-      checked={$mode === 'dark'}
-      onCheckedChange={(dark) => setMode(dark ? 'dark' : 'light')} />
-  </div>
-{/snippet}
-
-<Popover.Root>
-  <Popover.Trigger class="shrink-0">
-    <MenuIcon class="size-6" />
-  </Popover.Trigger>
-  <Popover.Content align="start" class="flex flex-col overflow-hidden border-2 p-0" sideOffset={16}>
-    {#each menuItems as { renderer, ...item } (item.label)}
-      {@render renderer(item)}
-    {/each}
-  </Popover.Content>
-</Popover.Root>

src/lib/components/McWrapper.svelte

@@ -1,24 +0,0 @@
-<script lang="ts">
-  import { env } from '$/util/env';
-  import { isOnMermaidAI } from '$/util/migration/domainMigration';
-  import type { ComponentProps } from 'svelte';
-  import ExternalLinkWrapper from './ExternalLinkWrapper.svelte';
-
-  let {
-    children,
-    ...props
-  }: Omit<
-    ComponentProps<typeof ExternalLinkWrapper>,
-    'isVisible' | 'domain' | 'showPopup'
-  > = $props();
-
-  const mermaidChartDomain = 'mermaid.ai';
-</script>
-
-<ExternalLinkWrapper
-  {...props}
-  domain={mermaidChartDomain}
-  isVisible={env.isEnabledMermaidChartLinks}
-  showPopup={!isOnMermaidAI()}>
-  {@render children()}
-</ExternalLinkWrapper>

src/lib/components/MermaidChartIcon.svelte

@@ -1,8 +0,0 @@
-<script lang="ts">
-  import { asset } from '$app/paths';
-  import type { ClassValue } from 'svelte/elements';
-
-  let { class: className }: { class?: ClassValue } = $props();
-</script>
-
-<img class={['size-4', className]} src={asset('/mermaidchart-logo.svg')} alt="Mermaid Chart" />

src/lib/components/MobileEditor.svelte

@@ -1,99 +0,0 @@
-<script lang="ts">
-  import type { EditorProps } from '$/types';
-  import { stateStore } from '$/util/state';
-  import { json, jsonLanguage } from '@codemirror/lang-json';
-  import { markdown } from '@codemirror/lang-markdown';
-  import { yamlFrontmatter } from '@codemirror/lang-yaml';
-  import { language } from '@codemirror/language';
-  import { Compartment, EditorState } from '@codemirror/state';
-  import { EditorView } from '@codemirror/view';
-  import { vsCodeDark } from '@fsegurai/codemirror-theme-vscode-dark';
-  import { vsCodeLight } from '@fsegurai/codemirror-theme-vscode-light';
-  import { basicSetup } from 'codemirror';
-  import { mode } from 'mode-watcher';
-  import { onMount } from 'svelte';
-
-  let editorView: EditorView | undefined;
-  let editorContainer: HTMLDivElement;
-  let currentText = $state('');
-
-  const { onUpdate }: EditorProps = $props();
-
-  onMount(() => {
-    const themeCompartment = new Compartment();
-    const languageCompartment = new Compartment();
-
-    editorView = new EditorView({
-      state: EditorState.create({
-        doc: currentText,
-        extensions: [
-          basicSetup,
-          languageCompartment.of([]),
-          themeCompartment.of([]),
-          EditorView.updateListener.of((update) => {
-            if (update.docChanged) {
-              const newText = update.state.doc.toString();
-              if (currentText === newText) {
-                return;
-              }
-              currentText = newText;
-              onUpdate(newText);
-            }
-          }),
-          EditorView.theme({
-            '&.cm-focused': {
-              outline: 'none'
-            },
-            '&.cm-editor': {
-              height: '100%'
-            },
-            '&.cm-scroller': {
-              overflow: 'auto'
-            }
-          })
-        ]
-      }),
-      parent: editorContainer
-    });
-
-    const unsubscribeMode = mode.subscribe((mode) => {
-      editorView?.dispatch({
-        effects: themeCompartment.reconfigure(mode === 'dark' ? vsCodeDark : vsCodeLight)
-      });
-    });
-
-    const unsubscribeState = stateStore.subscribe(({ editorMode, code, mermaid }) => {
-      const text = editorMode === 'code' ? code : mermaid;
-      if (currentText === text || !editorView) {
-        return;
-      }
-      currentText = text;
-      editorView.dispatch({
-        changes: {
-          from: 0,
-          to: editorView.state.doc.length,
-          insert: text
-        }
-      });
-      const stateLanguage = editorView.state.facet(language);
-      const isStateJson = stateLanguage === jsonLanguage;
-      const isCodeJson = editorMode === 'config';
-      if (stateLanguage && isStateJson === isCodeJson) {
-        return;
-      }
-      editorView.dispatch({
-        effects: languageCompartment.reconfigure(
-          isCodeJson ? json() : yamlFrontmatter({ content: markdown() })
-        )
-      });
-    });
-
-    return () => {
-      unsubscribeMode();
-      unsubscribeState();
-      editorView?.destroy();
-    };
-  });
-</script>
-
-<div bind:this={editorContainer} class="size-full"></div>

src/lib/components/Navbar.svelte

@@ -1,101 +0,0 @@
-<script lang="ts" module>
-  import { logEvent, logMermaidChartClick } from '$lib/util/stats';
-  import { version } from 'mermaid/package.json';
-
-  void logEvent('version', {
-    mermaidVersion: version
-  });
-</script>
-
-<script lang="ts">
-  import MainMenu from '$/components/MainMenu.svelte';
-  import { Button } from '$/components/ui/button';
-  import { Separator } from '$/components/ui/separator';
-  import { dismissPromotion, getActivePromotion } from '$lib/util/promos/promo';
-  import type { ComponentProps, Snippet } from 'svelte';
-  import MermaidIcon from '~icons/custom/mermaid';
-  import CloseIcon from '~icons/material-symbols/close-rounded';
-  import GithubIcon from '~icons/mdi/github';
-  import DropdownNavMenu from './DropdownNavMenu.svelte';
-
-  interface Props {
-    mobileToggle?: Snippet;
-    children: Snippet;
-    hidePromotion?: boolean;
-  }
-
-  let { children, mobileToggle, hidePromotion = false }: Props = $props();
-
-  type Links = ComponentProps<typeof DropdownNavMenu>['links'];
-
-  const githubLinks: Links = [
-    { title: 'Mermaid JS', href: 'https://github.com/mermaid-js/mermaid' },
-    {
-      title: 'Mermaid Live Editor',
-      href: 'https://github.com/mermaid-js/mermaid-live-editor'
-    },
-    {
-      title: 'Mermaid CLI',
-      href: 'https://github.com/mermaid-js/mermaid-cli'
-    }
-  ];
-
-  let activePromotion = $state(hidePromotion ? undefined : getActivePromotion());
-
-  const trackBannerClick = () => {
-    if (!activePromotion) {
-      return;
-    }
-    logEvent('bannerClick', {
-      promotion: activePromotion.id
-    });
-    logMermaidChartClick('banner');
-  };
-</script>
-
-{#if activePromotion}
-  <div class="top-bar z-10 flex h-fit w-full bg-primary">
-    <div
-      class="flex grow"
-      role="button"
-      tabindex="0"
-      onclick={trackBannerClick}
-      onkeypress={trackBannerClick}>
-      <activePromotion.component {closeBanner} />
-    </div>
-    {#snippet closeBanner()}
-      <Button
-        title="Dismiss banner"
-        variant="ghost"
-        class="hover:bg-transparent hover:text-[#261A56]"
-        size="sm"
-        onclick={() => {
-          dismissPromotion(activePromotion?.id);
-          activePromotion = undefined;
-        }}>
-        <CloseIcon />
-      </Button>
-    {/snippet}
-  </div>
-{/if}
-
-<nav class="z-50 flex p-4 sm:p-6">
-  <div class="flex flex-1 items-center gap-2">
-    <MainMenu />
-    <MermaidIcon class="size-6" />
-    <a href="/" class="whitespace-nowrap text-accent">
-      {#if !mobileToggle}
-        Mermaid
-      {/if}
-      Live Editor
-    </a>
-  </div>
-  <div
-    id="menu"
-    class="hidden flex-nowrap items-center justify-between gap-3 overflow-hidden md:flex">
-    <DropdownNavMenu icon={GithubIcon} links={githubLinks} />
-    <Separator orientation="vertical" />
-    {@render children()}
-  </div>
-  {@render mobileToggle?.()}
-</nav>

src/lib/components/PanZoomToolbar.svelte

@@ -1,34 +0,0 @@
-<script lang="ts">
-  import FloatingToolbar from '$/components/FloatingToolbar.svelte';
-  import { Button } from '$/components/ui/button';
-  import { Separator } from '$/components/ui/separator';
-  import type { PanZoomState } from '$/util/panZoom';
-  import { urlsStore } from '$/util/state';
-  import ExpandIcon from '~icons/material-symbols/open-in-full-rounded';
-  import ArrowsToCircleIcon from '~icons/material-symbols/screenshot-frame-2';
-  import MagnifyingGlassPlusIcon from '~icons/material-symbols/zoom-in';
-  import MagnifyingGlassMinusIcon from '~icons/material-symbols/zoom-out';
-
-  let { panZoomState }: { panZoomState: PanZoomState } = $props();
-</script>
-
-<FloatingToolbar>
-  <Button variant="ghost" size="icon" title="Reset view" onclick={() => panZoomState.reset()}>
-    <ArrowsToCircleIcon />
-  </Button>
-  <Separator orientation="vertical" />
-  <Button
-    variant="ghost"
-    size="icon"
-    class="hidden sm:block"
-    onclick={() => panZoomState.zoomOut()}>
-    <MagnifyingGlassMinusIcon />
-  </Button>
-  <Button variant="ghost" size="icon" class="hidden sm:block" onclick={() => panZoomState.zoomIn()}>
-    <MagnifyingGlassPlusIcon />
-  </Button>
-  <Separator orientation="vertical" class="hidden sm:block" />
-  <Button variant="ghost" size="icon" title="Full Screen" href={$urlsStore.view} target="_blank">
-    <ExpandIcon />
-  </Button>
-</FloatingToolbar>

src/lib/components/Preset.svelte

@@ -1,73 +0,0 @@
-<script lang="ts">
-  import Card from '$/components/Card/Card.svelte';
-  import { Button } from '$/components/ui/button';
-  import { getSampleDiagrams } from '$/util/mermaid';
-  import { updateCode } from '$lib/util/state';
-  import { logEvent } from '$lib/util/stats';
-  import ShapesIcon from '~icons/material-symbols/account-tree-outline-rounded';
-
-  const extras = {
-    ZenUML: `zenuml
-    title Order Service
-    @Actor Client #FFEBE6
-    @Boundary OrderController #0747A6
-    @EC2 <<BFF>> OrderService #E3FCEF
-    group BusinessService {
-      @Lambda PurchaseService
-      @AzureFunction InvoiceService
-    }
-
-    @Starter(Client)
-    // \`POST /orders\`
-    OrderController.post(payload) {
-      OrderService.create(payload) {
-        order = new Order(payload)
-        if(order != null) {
-          par {
-            PurchaseService.createPO(order)
-            InvoiceService.createInvoice(order)      
-          }      
-        }
-      }
-    }
-    `
-  };
-
-  const samples = { ...getSampleDiagrams(), ...extras } as const;
-  const loadSampleDiagram = (diagramType: string): void => {
-    updateCode(samples[diagramType], {
-      resetPanZoom: true,
-      updateDiagram: true
-    });
-    logEvent('loadSampleDiagram', { diagramType });
-  };
-
-  const mainDiagrams = [
-    'Flowchart',
-    'Class',
-    'Sequence',
-    'Entity Relationship',
-    'State',
-    'Mindmap'
-  ];
-
-  const diagramOrder = [
-    ...mainDiagrams,
-    ...Object.keys(samples)
-      .filter((key) => !mainDiagrams.includes(key))
-      .sort()
-  ];
-</script>
-
-<Card title="Sample Diagrams" isOpen isStackable icon={{ component: ShapesIcon }}>
-  <div class="flex h-fit max-h-52 flex-wrap gap-2 overflow-y-auto p-2">
-    {#each diagramOrder as sample (sample)}
-      <Button
-        size="sm"
-        class="w-fit min-w-20 flex-grow normal-case"
-        onclick={() => loadSampleDiagram(sample)}>
-        {sample}
-      </Button>
-    {/each}
-  </div>
-</Card>

src/lib/components/Privacy.svelte

@@ -1,66 +0,0 @@
-<script>
-  import ExternalLinkWrapper from '$/components/ExternalLinkWrapper.svelte';
-  import * as Dialog from '$/components/ui/dialog';
-  import { env } from '$/util/env';
-  import { isOnMermaidLive } from '$/util/migration/domainMigration';
-  import ShieldIcon from '~icons/material-symbols/shield-lock-outline-rounded';
-</script>
-
-{#if env.privacyPolicyUrl}
-  <a href={env.privacyPolicyUrl} target="_blank">
-    <ShieldIcon />
-  </a>
-{:else}
-  <Dialog.Root>
-    <Dialog.Trigger>
-      <ShieldIcon />
-    </Dialog.Trigger>
-    <Dialog.Content class="max-h-full overflow-hidden overflow-y-auto p-12">
-      <Dialog.Header>
-        <Dialog.Title class="flex items-center gap-2 text-xl">
-          <ShieldIcon class="size-8 text-green-700" />
-          Data security
-        </Dialog.Title>
-      </Dialog.Header>
-
-      {#if isOnMermaidLive()}
-        <p class="text-xl font-semibold">Your diagrams never leave your browser.</p>
-        <p>They're only stored in the URL and your browser's local storage.</p>
-        <p>
-          This is a fully open source, client-side app deployed on <a
-            href="https://github.com/mermaid-js/mermaid-live-editor/deployments"
-            class="underline"
-            target="_blank">GitHub Pages</a>
-          that works offline as a
-          <a href="https://web.dev/explore/progressive-web-apps" target="_blank"
-            >Progressive Web App</a
-          >.
-        </p>
-        <p>
-          We use self hosted, privacy-friendly Plausible Analytics to collect anonymous usage
-          metadata (diagram types, feature usage, etc.). All data is <a
-            href="https://p.mermaid.live/mermaid.live"
-            class="underline"
-            target="_blank">publicly available</a
-          >.
-        </p>
-        <ExternalLinkWrapper domain="example.com" isVisible>
-          <p class="text-left">
-            External services (PNG/SVG/Kroki exports, "Save to Mermaid Chart", "Repair with AI",
-            etc) will share your diagram with those 3rd parties, and are highlighted in the UI on
-            hover.
-          </p>
-        </ExternalLinkWrapper>
-      {:else}
-        <p>No privacy policy has been configured for this deployment.</p>
-        <p>
-          If you are self-hosting the Mermaid Live Editor, set the
-          <code class="rounded bg-muted px-1.5 py-0.5 text-sm">MERMAID_PRIVACY_POLICY_URL</code>
-          environment variable at build time to link to your privacy policy, or set
-          <code class="rounded bg-muted px-1.5 py-0.5 text-sm">MERMAID_HIDE_PRIVACY_POLICY</code>
-          to <code class="rounded bg-muted px-1.5 py-0.5 text-sm">true</code> to hide this button.
-        </p>
-      {/if}
-    </Dialog.Content>
-  </Dialog.Root>
-{/if}

src/lib/components/Share.svelte

@@ -1,49 +0,0 @@
-<script>
-  import { buttonVariants } from '$/components/ui/button';
-  import * as Dialog from '$/components/ui/dialog';
-  import { Separator } from '$/components/ui/separator';
-  import { env } from '$/util/env';
-  import { urlsStore } from '$/util/state';
-  import { asset } from '$app/paths';
-  import ShareIcon from '~icons/material-symbols/share';
-  import CopyInput from './CopyInput.svelte';
-  import MermaidChartIcon from './MermaidChartIcon.svelte';
-</script>
-
-<Dialog.Root>
-  <Dialog.Trigger class={buttonVariants({ size: 'sm' })}>Share</Dialog.Trigger>
-  <Dialog.Content>
-    <Dialog.Header>
-      <Dialog.Title class="flex items-center gap-2 text-xl">
-        <ShareIcon class="size-5" /> Shareable links
-      </Dialog.Title>
-      <Dialog.Description>Share your diagrams with others.</Dialog.Description>
-    </Dialog.Header>
-
-    <div class="flex flex-col gap-4">
-      <div class="flex flex-col gap-2">
-        <h2 class="flex items-center gap-2">
-          <img class="size-5" src={asset('/favicon.svg')} alt="Mermaid Live Editor" />
-          Mermaid Live Editor
-        </h2>
-        <CopyInput value={window.location.href} />
-        <Dialog.Description>
-          The content of the diagrams you create never leaves your browser.
-        </Dialog.Description>
-      </div>
-      {#if env.isEnabledMermaidChartLinks}
-        <Separator />
-        <div class="flex flex-col gap-2">
-          <h2 class="flex items-center gap-2">
-            <MermaidChartIcon class="size-5" />
-            Mermaid Chart Playground
-          </h2>
-          <CopyInput value={$urlsStore.mermaidChart({ medium: 'share' }).playground} />
-          <Dialog.Description>
-            Opens the Mermaid Chart Playground with Mermaid AI, Visual Editor, and more.
-          </Dialog.Description>
-        </div>
-      {/if}
-    </div>
-  </Dialog.Content>
-</Dialog.Root>

src/lib/components/SyncRoughToolbar.svelte

@@ -1,21 +0,0 @@
-<script lang="ts">
-  import FloatingToolbar from '$/components/FloatingToolbar.svelte';
-  import { Toggle } from '$/components/ui/toggle';
-  import { defaultState, inputStateStore } from '$/util/state';
-  import RoughIcon from '~icons/material-symbols/draw-outline-rounded';
-  import BackgroundIcon from '~icons/material-symbols/grid-4x4-rounded';
-
-  if ($inputStateStore.grid === undefined) {
-    // Handle cases where old states were saved without grid option
-    $inputStateStore.grid = defaultState.grid;
-  }
-</script>
-
-<FloatingToolbar>
-  <Toggle bind:pressed={$inputStateStore.rough} size="sm" title="Hand-Drawn">
-    <RoughIcon />
-  </Toggle>
-  <Toggle bind:pressed={$inputStateStore.grid} size="sm" title="Background Grid">
-    <BackgroundIcon />
-  </Toggle>
-</FloatingToolbar>

src/lib/components/ThemeIcon.svelte

@@ -1,39 +0,0 @@
-<script lang="ts">
-  import { mode } from 'mode-watcher';
-  import { cubicInOut } from 'svelte/easing';
-  import { type TransitionConfig } from 'svelte/transition';
-  import MoonIcon from '~icons/material-symbols/dark-mode-outline-rounded';
-  import SunIcon from '~icons/material-symbols/light-mode-outline-rounded';
-
-  const spin = (
-    node: Element,
-    { duration = 400, easing = cubicInOut, clockWise = true } = {}
-  ): TransitionConfig => {
-    const style = getComputedStyle(node);
-    const opacity = +style.opacity;
-    const transform = style.transform === 'none' ? '' : style.transform;
-    return {
-      duration,
-      easing,
-      css: (t, u) => `
-        transform: ${transform} rotate(${u * 90 * (clockWise ? 1 : -1)}deg);
-        opacity: ${opacity * t}
-      `
-    };
-  };
-</script>
-
-<div class="inline-grid">
-  {#key $mode}
-    <div
-      in:spin={{ clockWise: true }}
-      out:spin={{ clockWise: false }}
-      class="col-start-1 row-start-1">
-      {#if $mode === 'dark'}
-        <MoonIcon />
-      {:else}
-        <SunIcon />
-      {/if}
-    </div>
-  {/key}
-</div>

src/lib/components/VersionSecurityToolbar.svelte

@@ -1,31 +0,0 @@
-<script lang="ts">
-  import FloatingToolbar from '$/components/FloatingToolbar.svelte';
-  import Privacy from '$/components/Privacy.svelte';
-  import { Button } from '$/components/ui/button';
-  import { Separator } from '$/components/ui/separator';
-  import { TID } from '$/constants';
-  import { env } from '$/util/env';
-  import { version } from 'mermaid/package.json';
-  import { mode, setMode } from 'mode-watcher';
-  import ThemeIcon from './ThemeIcon.svelte';
-</script>
-
-<FloatingToolbar>
-  <span class="text-sm font-semibold opacity-60">v{version}</span>
-  {#if !env.hidePrivacyPolicy}
-    <Button variant="ghost" size="icon" title="Privacy & Security">
-      <Privacy />
-    </Button>
-
-    <Separator orientation="vertical" />
-  {/if}
-  <Button
-    variant="ghost"
-    size="icon"
-    data-testid={TID.themeToggleButton}
-    title="Switch to {$mode === 'dark' ? 'light' : 'dark'} theme"
-    class="[&_svg]:size-5"
-    onclick={() => setMode($mode === 'dark' ? 'light' : 'dark')}>
-    <ThemeIcon />
-  </Button>
-</FloatingToolbar>

src/lib/components/View.svelte

@@ -1,170 +0,0 @@
-<script lang="ts">
-  import type { State, ValidatedState } from '$/types';
-  import { recordRenderTime, shouldRefreshView } from '$/util/autoSync';
-  import { render as renderDiagram } from '$/util/mermaid';
-  import { PanZoomState } from '$/util/panZoom';
-  import { inputStateStore, stateStore, updateCodeStore } from '$/util/state';
-  import { saveStatistics } from '$/util/stats';
-  import FontAwesome, { mayContainFontAwesome } from '$lib/components/FontAwesome.svelte';
-  import uniqueID from 'lodash-es/uniqueId';
-  import type { MermaidConfig } from 'mermaid';
-  import { mode } from 'mode-watcher';
-  import { onMount } from 'svelte';
-  import { Svg2Roughjs } from 'svg2roughjs';
-
-  let {
-    panZoomState = new PanZoomState(),
-    shouldShowGrid = true
-  }: { panZoomState?: PanZoomState; shouldShowGrid?: boolean } = $props();
-  let code = '';
-  let config = '';
-  let container: HTMLDivElement | undefined = $state();
-  let rough: boolean;
-  let view: HTMLDivElement | undefined = $state();
-  let error = $state(false);
-  let panZoom = true;
-  let manualUpdate = true;
-  let waitForFontAwesomeToLoad: FontAwesome['waitForFontAwesomeToLoad'] | undefined = $state();
-
-  // Set up panZoom state observer to update the store when pan/zoom changes
-  const setupPanZoomObserver = () => {
-    panZoomState.onPanZoomChange = (pan, zoom) => {
-      updateCodeStore({ pan, zoom });
-    };
-  };
-
-  const handlePanZoom = (state: State, graphDiv: SVGSVGElement) => {
-    try {
-      panZoomState.updateElement(graphDiv, state);
-    } catch (error) {
-      console.error('PanZoom error:', error);
-    }
-  };
-
-  const handleStateChange = async (state: ValidatedState) => {
-    const startTime = Date.now();
-    if (state.error !== undefined) {
-      error = true;
-      return;
-    }
-    error = false;
-    let diagramType: string | undefined;
-    try {
-      if (container) {
-        manualUpdate = true;
-        // Do not render if there is no change in Code/Config/PanZoom
-        if (
-          code === state.code &&
-          config === state.mermaid &&
-          rough === state.rough &&
-          panZoom === state.panZoom
-        ) {
-          return;
-        }
-
-        if (!shouldRefreshView()) {
-          return;
-        }
-
-        code = state.code;
-        config = state.mermaid;
-        rough = state.rough;
-        panZoom = state.panZoom ?? true;
-
-        if (mayContainFontAwesome(code)) {
-          await waitForFontAwesomeToLoad?.();
-        }
-
-        const scroll = view?.parentElement?.scrollTop;
-        delete container.dataset.processed;
-        const viewID = uniqueID('graph-');
-        const {
-          svg,
-          bindFunctions,
-          diagramType: detectedDiagramType
-        } = await renderDiagram(JSON.parse(state.mermaid) as MermaidConfig, code, viewID);
-        diagramType = detectedDiagramType;
-        if (svg.length > 0) {
-          // eslint-disable-next-line svelte/no-dom-manipulating
-          container.innerHTML = svg;
-          let graphDiv = document.querySelector<SVGSVGElement>(`#${viewID}`);
-          if (!graphDiv) {
-            throw new Error('graph-div not found');
-          }
-          if (state.rough) {
-            const svg2roughjs = new Svg2Roughjs('#container');
-            svg2roughjs.svg = graphDiv;
-            await svg2roughjs.sketch();
-            graphDiv.remove();
-            const sketch = document.querySelector<SVGSVGElement>('#container > svg');
-            if (!sketch) {
-              throw new Error('sketch not found');
-            }
-            const height = sketch.getAttribute('height');
-            const width = sketch.getAttribute('width');
-            sketch.setAttribute('id', 'graph-div');
-            sketch.setAttribute('height', '100%');
-            sketch.setAttribute('width', '100%');
-            sketch.setAttribute('viewBox', `0 0 ${width} ${height}`);
-            sketch.style.maxWidth = '100%';
-            graphDiv = sketch;
-          } else {
-            graphDiv.setAttribute('height', '100%');
-            graphDiv.style.maxWidth = '100%';
-            if (bindFunctions) {
-              bindFunctions(graphDiv);
-            }
-          }
-          if (state.panZoom) {
-            handlePanZoom(state, graphDiv);
-          }
-        }
-        if (view?.parentElement && scroll) {
-          view.parentElement.scrollTop = scroll;
-        }
-        error = false;
-      } else if (manualUpdate) {
-        manualUpdate = false;
-      }
-    } catch (error_) {
-      console.error('view fail', error_);
-      error = true;
-    }
-    const renderTime = Date.now() - startTime;
-    saveStatistics({ code, diagramType, isRough: state.rough, renderTime });
-    recordRenderTime(renderTime, () => {
-      $inputStateStore.updateDiagram = true;
-    });
-  };
-
-  onMount(() => {
-    setupPanZoomObserver();
-    // Queue state changes to avoid race condition
-    let pendingStateChange = Promise.resolve();
-    stateStore.subscribe((state) => {
-      // eslint-disable-next-line @typescript-eslint/no-empty-function
-      pendingStateChange = pendingStateChange.then(() => handleStateChange(state).catch(() => {}));
-    });
-  });
-</script>
-
-<FontAwesome bind:waitForFontAwesomeToLoad />
-
-<div
-  id="view"
-  bind:this={view}
-  class={['h-full w-full', shouldShowGrid && `grid-bg-${$mode}`, error && 'opacity-50']}>
-  <div id="container" bind:this={container} class="h-full overflow-auto"></div>
-</div>
-
-<style>
-  .grid-bg-light {
-    background-size: 30px 30px;
-    background-image: radial-gradient(circle, #e4e4e48c 2px, #0000 2px);
-  }
-
-  .grid-bg-dark {
-    background-size: 30px 30px;
-    background-image: radial-gradient(circle, #46464646 2px, #0000 2px);
-  }
-</style>

src/lib/components/actions.svelte

@@ -0,0 +1,259 @@
+<script lang="ts">
+	import { browser } from '$app/environment';
+	import Card from '$lib/components/card/card.svelte';
+	import { env } from '$lib/util/env';
+	import { pakoSerde } from '$lib/util/serde';
+	import { stateStore } from '$lib/util/state';
+	import { logEvent } from '$lib/util/stats';
+	import { toBase64 } from 'js-base64';
+	import moment from 'moment';
+	const { krokiRendererUrl, rendererUrl } = env;
+
+	type Exporter = (context: CanvasRenderingContext2D, image: HTMLImageElement) => () => void;
+
+	const getFileName = (ext: string) =>
+		`mermaid-diagram-${moment().format('YYYY-MM-DD-HHmmss')}.${ext}`;
+
+	const getBase64SVG = (svg?: HTMLElement, width?: number, height?: number): string => {
+		svg?.setAttribute('height', `${height}px`);
+		svg?.setAttribute('width', `${width}px`); // Workaround https://stackoverflow.com/questions/28690643/firefox-error-rendering-an-svg-image-to-html5-canvas-with-drawimage
+		if (!svg) {
+			svg = getSvgEl();
+		}
+		const svgString = svg.outerHTML
+			.replaceAll('<br>', '<br/>')
+			.replaceAll(/<img([^>]*)>/g, (m, g: string) => `<img ${g} />`);
+		return toBase64(svgString);
+	};
+
+	const exportImage = (event: Event, exporter: Exporter) => {
+		const canvas: HTMLCanvasElement = document.createElement('canvas');
+		const svg: HTMLElement = document.querySelector('#container svg');
+		const box: DOMRect = svg.getBoundingClientRect();
+		canvas.width = box.width;
+		canvas.height = box.height;
+		if (imagemodeselected === 'width') {
+			const ratio = box.height / box.width;
+			canvas.width = userimagesize;
+			canvas.height = userimagesize * ratio;
+		} else if (imagemodeselected === 'height') {
+			const ratio = box.width / box.height;
+			canvas.width = userimagesize * ratio;
+			canvas.height = userimagesize;
+		}
+
+		const context = canvas.getContext('2d');
+		context.fillStyle = 'white';
+		context.fillRect(0, 0, canvas.width, canvas.height);
+
+		const image = new Image();
+		image.onload = exporter(context, image);
+		image.src = `data:image/svg+xml;base64,${getBase64SVG(svg, canvas.width, canvas.height)}`;
+
+		event.stopPropagation();
+		event.preventDefault();
+	};
+
+	const getSvgEl = () => {
+		const svgEl: HTMLElement = document
+			.querySelector('#container svg')
+			.cloneNode(true) as HTMLElement;
+		svgEl.setAttribute('xmlns:xlink', 'http://www.w3.org/1999/xlink');
+		const fontAwesomeCdnUrl = Array.from(document.head.getElementsByTagName('link'))
+			.map((l) => l.href)
+			.find((h) => h && h.includes('font-awesome'));
+		if (fontAwesomeCdnUrl == null) {
+			return svgEl;
+		}
+		const styleEl = document.createElement('style');
+		styleEl.innerText = `@import url("${fontAwesomeCdnUrl}");'`;
+		svgEl.prepend(styleEl);
+		return svgEl;
+	};
+
+	const simulateDownload = (download: string, href: string): void => {
+		const a = document.createElement('a');
+		a.download = download;
+		a.href = href;
+		a.click();
+		a.remove();
+	};
+	const downloadImage: Exporter = (context, image) => {
+		return () => {
+			const { canvas } = context;
+			context.drawImage(image, 0, 0, canvas.width, canvas.height);
+			simulateDownload(
+				getFileName('png'),
+				canvas.toDataURL('image/png').replace('image/png', 'image/octet-stream')
+			);
+		};
+	};
+
+	const isClipboardAvailable = (): boolean => {
+		return Object.prototype.hasOwnProperty.call(window, 'ClipboardItem') as boolean;
+	};
+
+	const clipboardCopy: Exporter = (context, image) => {
+		return () => {
+			const { canvas } = context;
+			context.drawImage(image, 0, 0, canvas.width, canvas.height);
+			canvas.toBlob((blob) => {
+				try {
+					// @ts-ignore: https://github.com/microsoft/TypeScript-DOM-lib-generator/pull/1004/files
+					void navigator.clipboard.write([
+						/* eslint-disable no-undef */
+						// @ts-ignore: https://github.com/microsoft/TypeScript/issues/43821
+						new ClipboardItem({
+							[blob.type]: blob
+						})
+					]);
+				} catch (error) {
+					console.error(error);
+				}
+			});
+		};
+	};
+
+	const onCopyClipboard = (event: Event) => {
+		exportImage(event, clipboardCopy);
+		logEvent('copyClipboard');
+	};
+
+	const onDownloadPNG = (event: Event) => {
+		exportImage(event, downloadImage);
+		logEvent('download', {
+			type: 'png'
+		});
+	};
+
+	const onDownloadSVG = () => {
+		simulateDownload(getFileName('svg'), `data:image/svg+xml;base64,${getBase64SVG()}`);
+		logEvent('download', {
+			type: 'svg'
+		});
+	};
+
+	const onCopyMarkdown = () => {
+		(document.getElementById('markdown') as HTMLInputElement).select();
+		document.execCommand('Copy');
+		logEvent('copyMarkdown');
+	};
+
+	let gistURL = '';
+	stateStore.subscribe(({ loader }) => {
+		if (loader?.type === 'gist') {
+			// @ts-ignore Gist will have url
+			gistURL = loader.config.url;
+		}
+	});
+
+	const loadGist = () => {
+		if (!gistURL) {
+			alert('Please enter a Gist URL first');
+		}
+		window.location.href = `${window.location.pathname}?gist=${gistURL}`;
+		logEvent('loadGist');
+	};
+
+	let iUrl: string;
+	let svgUrl: string;
+	let krokiUrl: string;
+	let mdCode: string;
+	let imagemodeselected = 'auto';
+	let userimagesize = 1080;
+
+	let isNetlify = false;
+	if (browser && ['mermaid.live', 'netlify'].some((path) => window.location.host.includes(path))) {
+		isNetlify = true;
+	}
+	stateStore.subscribe(({ code, serialized }) => {
+		iUrl = `${rendererUrl}/img/${serialized}?type=png`;
+		svgUrl = `${rendererUrl}/svg/${serialized}`;
+		krokiUrl = `${krokiRendererUrl}/mermaid/svg/${pakoSerde.serialize(code)}`;
+		mdCode = `[![](${iUrl})](${window.location.protocol}//${window.location.host}${window.location.pathname}#${serialized})`;
+	});
+</script>
+
+<Card title="Actions" isOpen={true}>
+	<div class="flex flex-wrap gap-2 m-2">
+		{#if isClipboardAvailable()}
+			<button class="action-btn w-full" on:click={onCopyClipboard}
+				><i class="far fa-copy mr-2" /> Copy Image to clipboard
+			</button>
+		{/if}
+		<button id="downloadPNG" class="action-btn flex-grow" on:click={onDownloadPNG}>
+			<i class="fas fa-download mr-2" /> PNG
+		</button>
+		<button id="downloadSVG" class="action-btn flex-grow" on:click={onDownloadSVG}>
+			<i class="fas fa-download mr-2" /> SVG
+		</button>
+		<a target="_blank" rel="noreferrer" class="flex-grow" href={iUrl}>
+			<button class="action-btn w-full">
+				<i class="fas fa-external-link-alt mr-2" /> PNG
+			</button>
+		</a>
+		<a target="_blank" rel="noreferrer" class="flex-grow" href={svgUrl}>
+			<button class="action-btn w-full">
+				<i class="fas fa-external-link-alt mr-2" /> SVG
+			</button>
+		</a>
+		<a target="_blank" rel="noreferrer" class="flex-grow" href={krokiUrl}>
+			<button class="action-btn w-full">
+				<i class="fas fa-external-link-alt mr-2" /> Kroki
+			</button>
+		</a>
+
+		<div class="flex gap-2 items-center">
+			PNG size
+			<label for="autosize">
+				<input type="radio" value="auto" id="autosize" bind:group={imagemodeselected} /> Auto
+			</label>
+
+			<label for="width">
+				<input type="radio" value="width" id="width" bind:group={imagemodeselected} /> Width
+			</label>
+
+			<label for="height">
+				<input type="radio" value="height" id="height" bind:group={imagemodeselected} /> Height
+			</label>
+
+			{#if imagemodeselected !== 'auto'}
+				<input
+					id="height"
+					class="input"
+					type="number"
+					min="3"
+					max="10000"
+					bind:value={userimagesize} />
+			{/if}
+		</div>
+
+		<div class="w-full flex gap-2 items-center">
+			<input class="input" id="markdown" type="text" value={mdCode} on:click={onCopyMarkdown} />
+			<label for="markdown">
+				<button class="btn btn-primary btn-md flex-auto" on:click={onCopyMarkdown}>
+					Copy Markdown
+				</button>
+			</label>
+		</div>
+
+		<div class="w-full flex gap-2 items-center">
+			<input
+				class="input"
+				id="gist"
+				type="text"
+				bind:value={gistURL}
+				placeholder="Enter Gist URL" />
+			<label for="gist">
+				<button class="btn btn-primary btn-md flex-auto" on:click={loadGist}> Load Gist </button>
+			</label>
+		</div>
+		{#if isNetlify}
+			<div class="w-full flex items-center justify-center">
+				<a class="link underline text-gray-500 text-sm" href="https://netlify.com">
+					This site is powered by Netlify
+				</a>
+			</div>
+		{/if}
+	</div>
+</Card>

src/lib/components/card/__snapshots__/card.test.ts.snap

@@ -0,0 +1,3 @@
+// Vitest Snapshot v1
+
+exports[`card.svelte > mounts 1`] = `"<div><div class=\\"card rounded overflow-hidden m-2 flex-grow flex flex-col shadow-2xl\\"><div class=\\"bg-primary p-2 pb-0 flex-none cursor-pointer\\"><div class=\\"flex justify-between\\"><div class=\\"flex cursor-default s-_wx1E_JHsCoF\\"><span class=\\"mr-2 font-semibold s-_wx1E_JHsCoF\\"><i class=\\"fas fa-chevron-right icon s-_wx1E_JHsCoF isOpen\\"></i> TabTest</span> <ul class=\\"tabs s-_wx1E_JHsCoF\\"><div class=\\"tab tab-lifted tab-active s-_wx1E_JHsCoF\\"><i class=\\"mr-1 undefined s-_wx1E_JHsCoF\\"></i> title1 </div><div class=\\"tab tab-lifted text-primary-content s-_wx1E_JHsCoF\\"><i class=\\"mr-1 undefined s-_wx1E_JHsCoF\\"></i> title2 </div></ul></div><!--<Tabs>--> <div class=\\"flex gap-x-4 items-center -mt-2\\"></div></div></div> <div class=\\"card-body p-0 flex-grow overflow-auto text-base-content\\"></div></div><!--<Card>--></div>"`;

src/lib/components/card/card.svelte

@@ -0,0 +1,31 @@
+<script lang="ts">
+	import type { Tab } from '$lib/types';
+	import { slide } from 'svelte/transition';
+	import Tabs from './tabs.svelte';
+	export let isCloseable = true;
+	export let isOpen = true;
+	export let tabs: Tab[] = [];
+	export let activeTabID: string = '';
+	export let title: string;
+	$: isOpen = isCloseable ? isOpen : true;
+	$: isTabsShown = isOpen && tabs.length > 0;
+</script>
+
+<div class="card rounded overflow-hidden m-2 flex-grow flex flex-col shadow-2xl">
+	<div
+		class="bg-primary p-2 {isTabsShown ? 'pb-0' : ''} flex-none cursor-pointer"
+		on:click={() => (isOpen = !isOpen)}
+		on:keypress={() => (isOpen = !isOpen)}>
+		<div class="flex justify-between">
+			<Tabs on:select {tabs} bind:isOpen {title} {isCloseable} {activeTabID} />
+			<div class="flex gap-x-4 items-center {isTabsShown ? '-mt-2' : ''}">
+				<slot name="actions" />
+			</div>
+		</div>
+	</div>
+	{#if isOpen}
+		<div class="card-body p-0 flex-grow overflow-auto text-base-content" transition:slide>
+			<slot />
+		</div>
+	{/if}
+</div>

src/lib/components/card/card.test.ts

@@ -0,0 +1,24 @@
+import { cleanup, render } from '@testing-library/svelte';
+import { describe, expect, it, afterEach } from 'vitest';
+import Card from './card.svelte';
+
+describe('card.svelte', () => {
+	// TODO: @testing-library/svelte claims to add this automatically but it doesn't work without explicit afterEach
+	afterEach(() => cleanup());
+
+	it('mounts', () => {
+		const { container } = render(Card, {
+			title: 'TabTest',
+			tabs: [
+				{ id: 't1', title: 'title1' },
+				{ id: 't2', title: 'title2' }
+			]
+		});
+		expect(container).toBeTruthy();
+		expect(container).toHaveTextContent('TabTest');
+		expect(container).toHaveTextContent('title1');
+		expect(container).toHaveTextContent('title2');
+		expect(container).not.toHaveTextContent('title3');
+		expect(container.innerHTML).toMatchSnapshot();
+	});
+});

src/lib/components/card/tabs.svelte

@@ -0,0 +1,52 @@
+<script lang="ts">
+	import type { Tab, TabEvents } from '$lib/types';
+	import { createEventDispatcher } from 'svelte';
+	import { fade } from 'svelte/transition';
+	export let isCloseable = true;
+	export let tabs: Tab[];
+	export let title: string;
+	export let isOpen = false;
+	export let activeTabID: string;
+
+	if (!activeTabID && tabs.length > 0) {
+		activeTabID = tabs[0].id;
+	}
+	const dispatch = createEventDispatcher<TabEvents>();
+	const toggleTabs = (tab: Tab) => {
+		activeTabID = tab.id;
+		dispatch('select', tab);
+	};
+</script>
+
+<div class="flex cursor-default">
+	<span
+		class="mr-2 font-semibold"
+		on:click|stopPropagation={() => (isOpen = !isOpen)}
+		on:keypress|stopPropagation={() => (isOpen = !isOpen)}>
+		{#if isCloseable}
+			<i class="fas fa-chevron-right icon" class:isOpen />
+		{/if}
+		{title}</span>
+	{#if isOpen && tabs}
+		<ul class="tabs" transition:fade>
+			{#each tabs as tab}
+				<div
+					class="tab tab-lifted {activeTabID === tab.id ? 'tab-active' : 'text-primary-content'}"
+					on:click|stopPropagation={() => toggleTabs(tab)}
+					on:keypress|stopPropagation={() => toggleTabs(tab)}>
+					<i class="mr-1 {tab.icon}" />
+					{tab.title}
+				</div>
+			{/each}
+		</ul>
+	{/if}
+</div>
+
+<style>
+	.icon {
+		transition-duration: 0.5s;
+	}
+	.isOpen {
+		transform: rotate(90deg);
+	}
+</style>

src/lib/components/editor.svelte

@@ -0,0 +1,103 @@
+<script lang="ts">
+	import type { EditorMode } from '$lib/types';
+	import { stateStore, updateCode, updateConfig } from '$lib/util/state';
+	import { themeStore } from '$lib/util/theme';
+	import { syncDiagram } from '$lib/util/util';
+	import type monaco from 'monaco-editor';
+	import { onMount } from 'svelte';
+	import initEditor from 'monaco-mermaid';
+	import { logEvent } from '$lib/util/stats';
+
+	let divEl: HTMLDivElement = null;
+	let editor: monaco.editor.IStandaloneCodeEditor;
+	let Monaco: typeof monaco;
+	let editorOptions: monaco.editor.IStandaloneEditorConstructionOptions = {
+		minimap: {
+			enabled: false
+		},
+		theme: 'mermaid',
+		overviewRulerLanes: 0
+	};
+	let text = '';
+
+	stateStore.subscribe(({ errorMarkers, editorMode, code, mermaid }) => {
+		if (!editor) return;
+
+		// Update editor text if it's different
+		const newText = editorMode === 'code' ? code : mermaid;
+		if (newText !== text) {
+			editor.setValue(newText);
+			text = newText;
+		}
+
+		// Update editor mode if it's different
+		const language = editorMode === 'code' ? 'mermaid' : 'json';
+		if (editor.getModel().getLanguageId() !== language) {
+			Monaco?.editor.setModelLanguage(editor.getModel(), language);
+		}
+
+		// Display/clear errors
+		Monaco?.editor.setModelMarkers(editor.getModel(), 'mermaid', errorMarkers);
+	});
+
+	themeStore.subscribe(({ isDark }) => {
+		editor && Monaco?.editor.setTheme(isDark ? 'mermaid-dark' : 'mermaid');
+	});
+
+	const handleUpdate = (text: string, mode: EditorMode) => {
+		if (mode === 'code') {
+			updateCode(text);
+		} else {
+			updateConfig(text);
+		}
+	};
+
+	const loadMonaco = async () => {
+		console.log('Loading Monaco...');
+		let i = 0;
+		while (i++ < 500) {
+			// @ts-ignore : This is a hack to handle a svelte-kit error when importing monaco.
+			Monaco = window.monaco;
+			if (Monaco !== undefined) {
+				return;
+			}
+			await new Promise((r) => setTimeout(r, 100));
+		}
+		alert('Loading Monaco Editor failed. Please try refreshing the page.');
+	};
+
+	onMount(async () => {
+		await loadMonaco(); // Fix https://github.com/mermaid-js/mermaid-live-editor/issues/175
+		initEditor(Monaco);
+		editor = Monaco.editor.create(divEl, editorOptions);
+		editor.onDidChangeModelContent(() => {
+			text = editor.getValue();
+			handleUpdate(text, $stateStore.editorMode);
+		});
+		editor.addAction({
+			id: 'mermaid-render-diagram',
+			label: 'Render Diagram',
+			keybindings: [Monaco.KeyMod.CtrlCmd | Monaco.KeyCode.Enter],
+			run: function () {
+				syncDiagram();
+				logEvent('renderDiagram', {
+					method: 'keyboadShortcut'
+				});
+			}
+		});
+		Monaco?.editor.setTheme($themeStore.isDark ? 'mermaid-dark' : 'mermaid');
+		const resizeObserver = new ResizeObserver((entries) => {
+			editor.layout({
+				height: entries[0].contentRect.height,
+				width: entries[0].contentRect.width
+			});
+		});
+
+		resizeObserver.observe(divEl.parentElement);
+		return () => {
+			editor.dispose();
+		};
+	});
+</script>
+
+<div bind:this={divEl} id="editor" class="overflow-hidden" />

src/lib/components/history/history.svelte

@@ -0,0 +1,192 @@
+<script lang="ts">
+	import Card from '$lib/components/card/card.svelte';
+	import { inputStateStore, getStateString } from '$lib/util/state';
+	import {
+		addHistoryEntry,
+		historyModeStore,
+		clearHistoryData,
+		getPreviousState,
+		historyStore,
+		loaderHistoryStore,
+		restoreHistory
+	} from './history';
+	import { notify, prompt } from '$lib/util/notify';
+	import { onMount } from 'svelte';
+	import { get } from 'svelte/store';
+	import moment from 'moment';
+	import type { HistoryType, State, Tab } from '$lib/types';
+	import { logEvent } from '$lib/util/stats';
+
+	const HISTORY_SAVE_INTERVAL = 60000;
+
+	const tabSelectHandler = (message: CustomEvent<Tab>) => {
+		historyModeStore.set(message.detail.id as HistoryType);
+	};
+	let tabs: Tab[] = [
+		{
+			id: 'manual',
+			title: 'Saved',
+			icon: 'far fa-bookmark'
+		},
+		{
+			id: 'auto',
+			title: 'Timeline',
+			icon: 'fas fa-history'
+		}
+	];
+
+	const downloadHistory = () => {
+		const data = get(historyStore);
+		const blob = new Blob([JSON.stringify(data)], { type: 'application/json' });
+		const url = URL.createObjectURL(blob);
+		const a = document.createElement('a');
+		a.href = url;
+		a.download = `mermaid-history-${moment().format('YYYY-MM-DD-HHmmss')}.json`;
+		a.click();
+		URL.revokeObjectURL(url);
+		logEvent('history', {
+			action: 'download'
+		});
+	};
+
+	const uploadHistory = () => {
+		const input = document.createElement('input');
+		input.type = 'file';
+		input.accept = 'application/json';
+		input.addEventListener('change', ({ target }: Event) => {
+			const file = (<HTMLInputElement>target).files[0];
+			if (!file) {
+				return;
+			}
+			const reader = new FileReader();
+			reader.onload = (e) => {
+				const data = JSON.parse(e.target.result as string);
+				restoreHistory(data);
+			};
+			reader.readAsText(file);
+		});
+		input.click();
+	};
+
+	const saveHistory = (auto = false) => {
+		const currentState: string = getStateString();
+		const previousState: string = getPreviousState(auto);
+		if (previousState !== currentState) {
+			addHistoryEntry({
+				state: $inputStateStore,
+				time: Date.now(),
+				type: auto ? 'auto' : 'manual'
+			});
+		} else if (!auto) {
+			notify('State already saved.');
+		}
+	};
+
+	const clearHistory = (id?: string): void => {
+		if (!id && !prompt('Clear all saved items?')) {
+			return;
+		}
+		clearHistoryData(id);
+	};
+
+	const restoreHistoryItem = (state: State): void => {
+		inputStateStore.set({ ...state, updateDiagram: true });
+	};
+
+	const relativeTime = (time: number) => {
+		const t = new Date(time);
+		return `${new Date(t).toLocaleString()} (${moment(t).fromNow()})`;
+	};
+
+	onMount(() => {
+		historyModeStore.set('manual');
+		setInterval(() => {
+			saveHistory(true);
+		}, HISTORY_SAVE_INTERVAL);
+	});
+
+	loaderHistoryStore.subscribe((entries) => {
+		if (entries.length > 0 && tabs.length === 2) {
+			tabs = [
+				{
+					id: 'loader',
+					title: 'Revisions',
+					icon: 'fab fa-git-alt'
+				},
+				...tabs
+			];
+			historyModeStore.set('loader');
+		}
+	});
+
+	let isOpen = false;
+</script>
+
+<Card on:select={tabSelectHandler} bind:isOpen {tabs} title="History">
+	<div slot="actions">
+		<button
+			id="uploadHistory"
+			class="btn btn-xs btn-secondary w-12"
+			on:click|stopPropagation={() => uploadHistory()}
+			title="Upload history"><i class="fa fa-upload" /></button>
+		{#if $historyStore.length > 0}
+			<button
+				id="downloadHistory"
+				class="btn btn-xs btn-secondary w-12"
+				on:click|stopPropagation={() => downloadHistory()}
+				title="Download history"><i class="fa fa-download" /></button>
+		{/if}
+		|
+		<button
+			id="saveHistory"
+			class="btn btn-xs btn-success w-12"
+			on:click|stopPropagation={() => saveHistory()}
+			title="Save current state"><i class="far fa-save" /></button>
+		{#if $historyModeStore !== 'loader'}
+			<button
+				id="clearHistory"
+				class="btn btn-xs btn-error w-12"
+				on:click|stopPropagation={() => clearHistory()}
+				title="Delete all saved states"><i class="fas fa-trash-alt" /></button>
+		{/if}
+	</div>
+	<ul class="p-2 space-y-2 overflow-auto h-56" id="historyList">
+		{#if $historyStore.length > 0}
+			{#each $historyStore as { id, state, time, name, url, type }}
+				<li class="rounded p-2 shadow flex-col">
+					<div class="flex">
+						<div class="flex-1">
+							<div class="flex flex-col text-base-content">
+								{#if url}
+									<a
+										href={url}
+										target="_blank"
+										rel="noreferrer"
+										title="Open revision in new tab"
+										class="hover:underline text-blue-500">{name}</a>
+								{:else}
+									<span>{name}</span>
+								{/if}
+								<span class="text-gray-400 text-sm">{relativeTime(time)}</span>
+							</div>
+						</div>
+						<div class="flex gap-2 content-center">
+							<button class="btn btn-success" on:click={() => restoreHistoryItem(state)}
+								><i class="fas fa-undo mr-1" />Restore</button>
+							{#if type !== 'loader'}
+								<button class="btn btn-error" on:click={() => clearHistory(id)}
+									><i class="fas fa-trash-alt mr-1" />Delete</button>
+							{/if}
+						</div>
+					</div>
+				</li>
+			{/each}
+		{:else}
+			<div class="m-2">
+				No items in History<br />
+				Click the Save button to save current state and restore it later.<br />
+				Timeline will automatically be saved every minute.
+			</div>
+		{/if}
+	</ul>
+</Card>

src/lib/components/history/history.test.ts

@@ -0,0 +1,120 @@
+import type { HistoryEntry } from '$lib/types';
+import { describe, it, expect } from 'vitest';
+import {
+	addHistoryEntry,
+	injectHistoryIDs,
+	clearHistoryData,
+	historyModeStore,
+	historyStore
+} from './history';
+import { defaultState } from '../../util/state';
+import { get } from 'svelte/store';
+
+describe('history', () => {
+	it('should handle saving individual history entry', () => {
+		expect(window.localStorage.getItem('manualHistoryStore')).toBe('[]');
+		expect(window.localStorage.getItem('autoHistoryStore')).toBe('[]');
+
+		addHistoryEntry({
+			state: defaultState,
+			time: 12345,
+			type: 'manual'
+		});
+
+		const [manualEntry]: HistoryEntry[] = JSON.parse(
+			window.localStorage.getItem('manualHistoryStore')
+		);
+
+		expect(manualEntry.time).toBe(12345);
+		expect(manualEntry.type).toBe('manual');
+		expect(manualEntry.name).not.toBeNull();
+		expect(manualEntry.state).not.toBeNull();
+
+		addHistoryEntry({
+			state: defaultState,
+			time: 54321,
+			type: 'auto'
+		});
+
+		const [autoEntry]: HistoryEntry[] = JSON.parse(window.localStorage.getItem('autoHistoryStore'));
+
+		expect(autoEntry.time).toBe(54321);
+		expect(autoEntry.type).toBe('auto');
+		expect(autoEntry.name).not.toBeNull();
+		expect(autoEntry.state).not.toBeNull();
+
+		historyModeStore.set('manual');
+		clearHistoryData();
+		historyModeStore.set('auto');
+		clearHistoryData();
+		expect(window.localStorage.getItem('manualHistoryStore')).toBe('[]');
+		expect(window.localStorage.getItem('autoHistoryStore')).toBe('[]');
+	});
+
+	it('should clear history entries', () => {
+		addHistoryEntry({
+			state: defaultState,
+			time: 12345,
+			type: 'manual'
+		});
+		addHistoryEntry({
+			state: { ...defaultState, code: 'graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)' },
+			time: 123456,
+			type: 'manual'
+		});
+
+		historyModeStore.set('manual');
+		const store: HistoryEntry[] = get(historyStore);
+		expect(store.length).toBe(2);
+		clearHistoryData(store[1].id);
+		expect(get(historyStore).length).toBe(1);
+		clearHistoryData();
+		expect(get(historyStore).length).toBe(0);
+
+		historyModeStore.set('auto');
+		addHistoryEntry({
+			state: defaultState,
+			time: 54321,
+			type: 'auto'
+		});
+		addHistoryEntry({
+			state: { ...defaultState, code: 'graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)' },
+			time: 654321,
+			type: 'auto'
+		});
+		expect(get(historyStore).length).toBe(2);
+		clearHistoryData();
+		expect(get(historyStore).length).toBe(0);
+		// Test calling when history is empty
+		clearHistoryData();
+		expect(get(historyStore).length).toBe(0);
+	});
+});
+
+describe('history migration', () => {
+	it('should inject history IDs as migration', () => {
+		window.localStorage.setItem(
+			'manualHistoryStore',
+			'[{"state":{"code":"graph TD\\n    A[Halloween] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":false},"time":0,"type":"manual","name":"hollow-art"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":true},"time":0,"type":"manual","name":"helpful-ocean"}]'
+		);
+		window.localStorage.setItem(
+			'autoHistoryStore',
+			'[{"state":{"code":"graph TD\\n    A[New Year] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":false},"time":0,"type":"auto","name":"barking-dog"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":true},"time":0,"type":"manual","name":"needy-mosquito"}]'
+		);
+		let manualHistoryStore: HistoryEntry[] = JSON.parse(
+			window.localStorage.getItem('manualHistoryStore')
+		);
+		let autoHistoryStore: HistoryEntry[] = JSON.parse(
+			window.localStorage.getItem('autoHistoryStore')
+		);
+		expect(manualHistoryStore.every(({ id }) => id !== undefined)).toBe(false);
+		expect(autoHistoryStore.every(({ id }) => id !== undefined)).toBe(false);
+
+		injectHistoryIDs();
+
+		manualHistoryStore = JSON.parse(window.localStorage.getItem('manualHistoryStore'));
+		autoHistoryStore = JSON.parse(window.localStorage.getItem('autoHistoryStore'));
+		expect(manualHistoryStore.every(({ id }) => id !== undefined)).toBe(true);
+		expect(autoHistoryStore.every(({ id }) => id !== undefined)).toBe(true);
+	});
+});