temp

chore(deps): update dependency lucide-svelte to ^0.507.0

.env

@@ -1,2 +1,7 @@
-  MERMAID_DOMAIN="mermaid.live"
-	MERMAID_ANALYTICS_URL="https://p.mermaid.live"
+MERMAID_DOMAIN=''
+MERMAID_ANALYTICS_URL=''
+MERMAID_RENDERER_URL='https://mermaid.ink'
+MERMAID_KROKI_RENDERER_URL='https://kroki.io'
+MERMAID_IS_ENABLED_MERMAID_CHART_LINKS=''
+
+# cp .env .env.local to make local changes

.eslintrc.cjs

@@ -11,7 +11,15 @@ module.exports = {
     'plugin:svelte/prettier',
     'prettier'
   ],
-  plugins: ['tailwindcss', '@typescript-eslint', 'es', 'vitest', 'no-only-tests', 'unicorn'],
+  plugins: [
+    'tailwindcss',
+    '@typescript-eslint',
+    'es',
+    'vitest',
+    'no-only-tests',
+    'sort-keys',
+    'unicorn'
+  ],
   ignorePatterns: [
     'docs/*',
     '*.cjs',
@@ -40,6 +48,15 @@ module.exports = {
         'plugin:@typescript-eslint/strict',
         'prettier'
       ]
+    },
+    {
+      files: ['**/components/ui/**'],
+      rules: {
+        'unicorn/prefer-export-from': 'off',
+        'unicorn/prevent-abbreviations': 'off',
+        'unicorn/explicit-length-check': 'off',
+        'sort-keys/sort-keys-fix': 'off'
+      }
     }
   ],
   parserOptions: {
@@ -54,6 +71,7 @@ module.exports = {
     es2020: true
   },
   rules: {
+    'sort-keys/sort-keys-fix': ['error', 'asc', { minKeys: 5 }],
     '@typescript-eslint/ban-ts-comment': [
       'error',
       {
@@ -77,17 +95,23 @@ module.exports = {
       'error',
       {
         allowList: {
+          args: true,
           ctx: true,
           db: true,
           doc: true,
           env: true,
           fn: true,
           i: true,
+          j: true,
+          k: true,
           param: true,
+          Params: true,
+          params: true,
+          Props: true,
+          props: true,
           req: true,
           res: true,
           str: true,
-          searchParams: true,
           temp: true,
           ImportMetaEnv: true
         }

.github/workflows/deploy.yml

@@ -14,28 +14,49 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
 
-      - uses: actions/setup-node@v3
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+
+      - uses: actions/setup-node@v4
         with:
-          node-version: 18
-          cache: yarn
+          node-version-file: '.node-version'
+          cache: pnpm
+
+      - 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
           [ "$GITHUB_EVENT_NAME" != "pull_request" ] && rm -rf docs/_app/
-          yarn install
-          version=$(yarn version --patch --no-git-tag-version | grep "New version" | cut -d':' -f 2)
-          yarn build
-          yarn run lint
-          cd ..
+          pnpm install
+          pnpm build
 
-      - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
-        if: ${{ github.ref == 'refs/heads/master' }}
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
         with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: ./docs
-          keep_files: true
+          path: ./docs
+
+  deploy:
+    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/tests.yml

@@ -7,45 +7,48 @@ on:
       - develop
 
 jobs:
-  cypress-run:
+  playwright:
+    name: 'Playwright Tests'
     runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        # run 3 copies of the current job in parallel
-        containers: [1, 2, 3]
+    container:
+      image: mcr.microsoft.com/playwright:v1.52.0-jammy
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      - uses: actions/cache@v3
-        id: yarn-and-build-cache
+      - uses: actions/cache@v4
+        id: pnpm-and-build-cache
         with:
           path: |
-            ~/.cache/Cypress
             build
             node_modules
-          key: ${{ runner.os }}-node_modules-build-${{ hashFiles('**/yarn.lock') }}
+          key: ${{ runner.os }}-node_modules-build-${{ hashFiles('**/pnpm-lock.yaml') }}
           restore-keys: |
             ${{ runner.os }}-node_modules-build-
 
-      - uses: actions/setup-node@v3
-        with:
-          node-version: 18
-          cache: 'yarn'
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
 
-      # Install NPM dependencies, cache them correctly
-      # and run all Cypress tests
-      - name: Cypress run
-        uses: cypress-io/github-action@v3
+      - uses: actions/setup-node@v4
         with:
-          build: yarn build
-          start: yarn preview
-          wait-on: 'http://localhost:3000'
-          record: true
-          headless: true
-          parallel: true
+          node-version-file: '.node-version'
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Build
+        run: pnpm build
+
+      - name: Run Playwright tests
+        run: pnpm test:e2e
         env:
-          CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}
-          CYPRESS_CI: true
+          CI: true
+
+      - uses: actions/upload-artifact@v4
+        if: ${{ !cancelled() }}
+        with:
+          name: playwright-report
+          path: playwright-report/
+          retention-days: 30

.github/workflows/unit-tests.yml

@@ -15,22 +15,28 @@ jobs:
         uses: actions/checkout@v3
 
       - uses: actions/cache@v3
-        id: yarn-and-build-cache
+        id: pnpm-and-build-cache
         with:
           path: |
             build
             node_modules
-          key: ${{ runner.os }}-node_modules-build-${{ hashFiles('**/yarn.lock') }}
+          key: ${{ runner.os }}-node_modules-build-${{ hashFiles('**/pnpm-lock.yaml') }}
           restore-keys: |
             ${{ runner.os }}-node_modules-build-
 
-      - uses: actions/setup-node@v3
-        with:
-          node-version: 18
-          cache: 'yarn'
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
 
-      - name: Lint & Test
-        run: |
-          yarn install
-          yarn lint
-          yarn test:unit
+      - uses: actions/setup-node@v4
+        with:
+          node-version-file: '.node-version'
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Lint
+        run: pnpm lint
+
+      - name: Run unit tests
+        run: pnpm test:unit

.gitignore

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

.husky/pre-commit

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

.node-version

@@ -1 +1 @@
-20.14.0
+22.15.0

.npmrc

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

.prettierignore

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

.prettierrc

@@ -4,6 +4,6 @@
   "bracketSameLine": true,
   "trailingComma": "none",
   "printWidth": 100,
-  "tailwindConfig": "./tailwind.config.cjs",
+  "tailwindConfig": "./tailwind.config.js",
   "plugins": ["prettier-plugin-svelte", "prettier-plugin-tailwindcss"]
 }

.vscode/settings.json

@@ -2,13 +2,15 @@
   "editor.formatOnSave": true,
   "cSpell.blockCheckingWhenLineLengthGreaterThan": 150,
   "cSpell.words": [
+    "appinstalled",
     "asyncable",
     "Browserslist",
     "ckppp",
     "corg",
     "cssnano",
-    "daisyui",
     "esserializer",
+    "fontawesome",
+    "fsegurai",
     "gantt",
     "gitgraph",
     "KROKI",
@@ -17,17 +19,32 @@
     "mindmap",
     "Pageview",
     "pako",
+    "panmove",
+    "panstart",
     "panzoom",
+    "pinchmove",
+    "pinchstart",
     "pzoom",
     "roughjs",
     "Serde",
     "serdes",
+    "Stackable",
     "tailwindcss",
-    "uparrow"
+    "uparrow",
+    "webfonts",
+    "zenuml"
   ],
-  "vitest.commandLine": "yarn test:unit",
+  "vitest.commandLine": "pnpm test:unit",
   "vitest.enable": true,
   "testing.autoRun.mode": "rerun",
   "svelte.enable-ts-plugin": true,
-  "githubPullRequests.ignoredPullRequestBranches": ["develop"]
+  "githubPullRequests.ignoredPullRequestBranches": ["develop"],
+  "[svelte]": {
+    "editor.defaultFormatter": "svelte.svelte-vscode"
+  },
+  "tailwindCSS.classAttributes": ["class", "className", ".*Classes"],
+  "tailwindCSS.experimental.classRegex": [
+    ["([\"'`][^\"'`]*.*?[\"'`])", "[\"'`]([^\"'`]*).*?[\"'`]"]
+  ],
+  "tailwindCSS.emmetCompletions": true
 }

CNAME

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

Dockerfile

@@ -1,16 +1,16 @@
-FROM docker.io/library/node:20-alpine3.18 AS mermaid-live-editor-dependencies
+FROM docker.io/library/node:22.15.0-alpine3.21 AS mermaid-live-editor-dependencies
 
 RUN apk --no-cache add build-base git python3 && \
     rm -rf /var/cache/apk/*
 
-RUN yarn global add node-gyp
+RUN corepack enable pnpm
 
 WORKDIR /app
 
 COPY ./package.json .
-COPY ./yarn.lock .
+COPY ./pnpm-lock.yaml .
 
-RUN yarn install
+RUN pnpm install
 
 FROM mermaid-live-editor-dependencies AS mermaid-live-editor-builder
 
@@ -18,16 +18,17 @@ ARG MERMAID_RENDERER_URL
 ARG MERMAID_KROKI_RENDERER_URL
 ARG MERMAID_ANALYTICS_URL
 ARG MERMAID_DOMAIN
+ARG MERMAID_IS_ENABLED_MERMAID_CHART_LINKS
 
 COPY . ./
 
-RUN yarn build
+RUN pnpm build
 
 FROM mermaid-live-editor-builder AS mermaid-dev
 
-ENTRYPOINT ["yarn", "dev"]
+ENTRYPOINT ["pnpm", "dev"]
 
-FROM nginx:1.25-alpine3.18 AS mermaid
+FROM nginx:1.28-alpine3.21 AS mermaid
 
 COPY ./nginx.conf /etc/nginx/conf.d/default.conf
 COPY --from=mermaid-live-editor-builder /app/docs /usr/share/nginx/html

README.md

@@ -1,10 +1,7 @@
-[![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)
+[![Join our Discord!](https://img.shields.io/static/v1?message=join%20chat&color=9cf&logo=discord&label=discord)](https://discord.gg/sKeNQX4Wtj)
+[![Netlify Status](https://api.netlify.com/api/v1/badges/27fa023d-7c73-4a3f-9791-b3b657a47100/deploy-status)](https://app.netlify.com/sites/mermaidjs/deploys)
 
-# 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
+# Mermaid Live Editor
 
 Edit, preview and share mermaid charts/diagrams.
 
@@ -17,7 +14,11 @@ Edit, preview and share mermaid charts/diagrams.
 
 ## Live demo
 
-You can try out a live version [here](https://mermaid.live/).
+You can try out a [live version](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
 
@@ -29,13 +30,18 @@ docker run --platform linux/amd64 --publish 8000:8080 ghcr.io/mermaid-js/mermaid
 
 ### To configure renderer URL
 
-When building set the MERMAID_RENDERER_URL build argument to the rendering service.
-Default is `https://mermaid.ink`
+When building set the MERMAID_RENDERER_URL build argument to the rendering
+service.
+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 instance.
+When building set the MERMAID_KROKI_RENDERER_URL build argument to your Kroki
+instance.
 Default is `https://kroki.io`
+Set to empty string to disable Kroki link under Actions
 
 ### To configure Analytics
 
@@ -43,6 +49,18 @@ When building set the MERMAID_ANALYTICS_URL build argument to your plausible ins
 
 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
 
 ```bash
@@ -81,15 +99,14 @@ https://docs.github.com/en/get-started/quickstart/fork-a-repo
 
 ## Requirements
 
-- [volta](https://volta.sh/) to manage node versions.
-- [Node.js](https://nodejs.org/en/). `volta install node`
-- [yarn](https://yarnpkg.com/) package manager. `volta install yarn`
+- [Node.js](https://nodejs.org/en/) current LTS version
+- [pnpm](https://pnpm.io/) package manager. Install with `corepack enable pnpm`
 
 ## Development
 
 ```sh
-yarn install
-yarn dev -- --open
+pnpm install
+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
-yarn release
+pnpm release
 pushd .
 if [ ! -d ../docs ]; then
   echo "Clone https://github.com/mermaid-js/docs to parent folder before continuing." 

components.json

@@ -0,0 +1,17 @@
+{
+  "$schema": "https://next.shadcn-svelte.com/schema.json",
+  "style": "new-york",
+  "tailwind": {
+    "config": "tailwind.config.js",
+    "css": "src/app.postcss",
+    "baseColor": "slate"
+  },
+  "aliases": {
+    "components": "$lib/components",
+    "utils": "$lib/utils",
+    "ui": "$lib/components/ui",
+    "hooks": "$lib/hooks"
+  },
+  "typescript": true,
+  "registry": "https://next.shadcn-svelte.com/registry"
+}

cypress.config.js

@@ -1,37 +0,0 @@
-import { defineConfig } from 'cypress';
-import fs from 'fs';
-import path from 'path';
-export default defineConfig({
-  projectId: '2ckppp',
-  viewportWidth: 1440,
-  viewportHeight: 768,
-  snapshotFileName: './cypress/snapshots.js',
-  defaultCommandTimeout: 5000,
-  requestTimeout: 5000,
-  retries: {
-    runMode: 2,
-    openMode: 0
-  },
-  e2e: {
-    setupNodeEvents(on, config) {
-      on('task', {
-        readAndDeleteFile({ fileNamePattern, folder, mode }) {
-          const fileNameRegex = new RegExp(fileNamePattern);
-          const files = fs.readdirSync(folder);
-          const filename = files.find((file) => file.match(fileNameRegex));
-          const filePath = path.join(folder, filename);
-          try {
-            if (mode === 'size') {
-              return fs.statSync(filePath).size;
-            }
-            return fs.readFileSync(filePath, 'utf8');
-          } finally {
-            fs.rmSync(filePath);
-          }
-        }
-      });
-    },
-    baseUrl: 'http://localhost:3000',
-    specPattern: 'cypress/e2e/**/*.spec.ts'
-  }
-});

cypress/.eslintrc

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

cypress/e2e/actions.spec.ts

@@ -1,45 +0,0 @@
-import { typeInEditor, verifyFileSizeGreaterThan } from './util';
-describe('Check actions', () => {
-  beforeEach(() => {
-    cy.clearLocalStorage();
-    cy.visit('/edit');
-    cy.contains('Actions').click();
-  });
-
-  it('should update markdown code', () => {
-    cy.get('#markdown')
-      .invoke('val')
-      .then((oldText) => {
-        typeInEditor('C --> HistoryTest', { bottom: true, newline: true });
-        cy.get('#markdown')
-          .invoke('val')
-          .then((newText) => {
-            expect(oldText).to.not.eq(newText);
-          });
-      });
-  });
-
-  it.skip('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.get(`#downloadPNG`).click();
-    verifyFileSizeGreaterThan('diagram', 'png', 34_000);
-
-    cy.get(`#downloadSVG`).click();
-    verifyFileSizeGreaterThan('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();
-    verifyFileSizeGreaterThan('diagram', 'png', 40_000);
-
-    cy.get(`#downloadSVG`).click();
-    verifyFileSizeGreaterThan('diagram', 'svg', 11_000);
-  });
-});

cypress/e2e/diagramUpdate.spec.ts

@@ -1,115 +0,0 @@
-import { typeInEditor, cmd } from './util';
-
-describe('Auto sync tests', () => {
-  beforeEach(() => {
-    cy.clearLocalStorage();
-    cy.visit('/');
-    cy.url().should('contain', '/edit#pako');
-    cy.window().should('have.property', 'editorLoaded', true);
-  });
-
-  it('should dim diagram when code is edited', () => {
-    cy.contains('Auto sync').click();
-    cy.get('#view').should('not.have.class', 'outOfSync');
-    cy.get('#errorContainer').should('not.exist');
-    typeInEditor('  C --> Test', { bottom: true });
-    cy.get('#view').should('have.class', 'outOfSync');
-    cy.get('#errorContainer').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');
-    typeInEditor('  C --> Test');
-    cy.get('#view').should('have.class', 'outOfSync');
-    cy.get('#errorContainer').should('contain.text', 'Diagram out of sync.');
-    typeInEditor(`${cmd}{enter}`);
-    cy.get('#errorContainer').should('not.exist');
-    cy.get('#view').should('not.have.class', 'outOfSync');
-  });
-
-  it('should show/hide sync button with auto sync', () => {
-    cy.get('[data-cy=sync]').should('not.exist');
-    cy.contains('Auto sync').click();
-    cy.get('[data-cy=sync]').should('exist');
-    cy.get('#autoSync').check();
-    cy.get('[data-cy=sync]').should('not.exist');
-  });
-
-  it('should not dim diagram when code is in sync', () => {
-    cy.contains('Auto sync').click();
-    cy.get('#view').should('not.have.class', 'outOfSync');
-    typeInEditor('  C --> Test');
-    cy.get('#view').should('have.class', 'outOfSync');
-    cy.get('[data-cy=sync]').click();
-    cy.get('#view').should('not.have.class', 'outOfSync');
-    cy.get('#autoSync').check();
-    typeInEditor('ing');
-    cy.get('#view').should('not.have.class', 'outOfSync');
-    cy.getLocalStorage('codeStore').snapshot();
-  });
-
-  it('should automatically defer rendering when complex diagrams are edited', () => {
-    cy.get('#view').should('not.have.class', 'outOfSync');
-    typeInEditor(`
-A & B & C & D & E --> F & G & K & Z & i
-A & B & C & D & E --> F & G & K & Z & i
-A & B & C & D & E --> F & G & K & Z & i
-A & B & C & D & E --> F & G & K & Z & i
-A & B & C & D & E --> F & G & K & Z & i
-A & B & C & D & E --> F & G & K & Z & i
-A & B & C & D & E --> F & G & K & Z & i
-A & B & C & D & E --> F & G & K & Z & i
-A & B & C & D & E --> F & G & K & Z & i`);
-    cy.get('#view').should('have.class', 'outOfSync');
-    cy.get('#errorContainer').should('contain.text', 'It will be updated automatically.');
-    // The class should be removed automatically after 1 second.
-    cy.get('#view').should('not.have.class', 'outOfSync');
-  });
-
-  it('supports commenting code out/in', () => {
-    cy.get('#editor').contains('Car').click({ force: true });
-    cy.get('#editor').get('textarea').type(`${cmd}/`, { force: true });
-    cy.get('#view').contains('Car').should('not.exist');
-
-    typeInEditor(`{uparrow}${cmd}/`);
-    cy.get('#view').contains('Car').should('exist');
-  });
-
-  it('supports editing code when code is incorrect', () => {
-    cy.visit(
-      '/edit#pako:eNpljjEKwzAMRa8SNOcEnlt6gK5eVFvYJsgOqkwpIXevg9smEE1PnyfxF3DFExgISW-CczQ2D21cYU7a-SGYXRwyvTp9jUhuKlVP-eHy7zA-leQsMEmg_QOM0BLG5FujZVMsaCQmC6ahR5ks2Lw2r84ela4-aREwKpVGwKrl_s7ut3fnkjAIcg_XDzuaUhs'
-    );
-    cy.get('#errorContainer').should('not.exist');
-    typeInEditor(`branch test`, { bottom: true, newline: true });
-    cy.get('#editor').contains('branch test').should('exist');
-    cy.get('#errorContainer')
-      .contains(
-        'Error: Trying to checkout branch which is not yet created. (Help try using "branch master")'
-      )
-      .should('exist');
-  });
-
-  it('should update diagram after entire text is removed', () => {
-    // https://github.com/mermaid-js/mermaid-live-editor/issues/1102
-    typeInEditor(`${cmd} a {backspace}`);
-    typeInEditor('graph LR');
-    typeInEditor(' {enter}  A-->Car');
-    cy.get('#view').contains('Car').should('exist');
-  });
-});
-
-describe('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

@@ -1,36 +0,0 @@
-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.org/"]`).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$="/syntax/flowchart.html"]`).should('exist');
-
-    cy.contains('Config').click();
-    cy.get(`[data-cy=docs][href$="/syntax/flowchart.html#configuration"]`).should('exist');
-
-    cy.contains('Sequence').click();
-    cy.get(`[data-cy=docs][href$="/syntax/sequenceDiagram.html#configuration"]`).should('exist');
-
-    cy.contains('Code').click();
-    cy.get(`[data-cy=docs][href$="/syntax/sequenceDiagram.html"]`).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$="/syntax/stateDiagram.html"]`).should('exist');
-
-    cy.contains('Config').click();
-    cy.get(`[data-cy=docs][href$="/syntax/stateDiagram.html"]`).should('exist');
-  });
-});

cypress/e2e/history.spec.ts

@@ -1,103 +0,0 @@
-import { typeInEditor, verifyFileSnapshot } from './util';
-
-describe('Save History', () => {
-  beforeEach(() => {
-    cy.clock(new Date(2022, 0, 1).getTime());
-    cy.clearLocalStorage();
-    cy.visit('/edit');
-
-    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('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);
-    typeInEditor('  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();
-    typeInEditor('  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();
-    typeInEditor('  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', () => {
-    typeInEditor('  C --> HistoryTest');
-    cy.tick(70_000);
-    cy.contains('Timeline').click();
-    cy.get('#historyList').find('li').should('have.length', 1);
-    cy.get('#editor').type('ing');
-    cy.tick(70_000);
-    cy.get('#historyList').find('li').should('have.length', 2);
-    for (let i = 0; i < 31; i++) {
-      cy.get('#editor').type('.');
-      cy.tick(70_000);
-    }
-    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

@@ -1,136 +0,0 @@
-import { toBase64 } from 'js-base64';
-
-describe('Site Loads', () => {
-  beforeEach(() => {
-    cy.clearLocalStorage();
-    cy.visit('/');
-    cy.url().should('include', '/edit#pako');
-  });
-
-  it('Check Home page load', () => {
-    cy.url().should('include', '/edit');
-    cy.contains('History').click();
-    cy.getLocalStorage('codeStore').snapshot();
-  });
-
-  it('should keep code after reload', () => {
-    cy.get('#editor').contains('Car');
-    cy.reload();
-    cy.get('#editor').contains('Car');
-  });
-
-  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');
-  });
-
-  (Cypress.env('CI') === 'true' ? describe : describe.skip)('github', () => {
-    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#${b64State}`);
-  // 	cy.contains('Config').click();
-  // 	cy.contains('forest');
-  // 	cy.contains('securityLevel').should('not.exist');
-  // 	cy.get('#view').find('img').should('not.exist');
-  // 	cy.get('#view').contains('<img');
-  // 	cy.get('#view').contains(`src='https://via.placeholder.com/64'`);
-  // });
-
-  it.skip('should allow persisting "securityLevel" using confirm dialogue', () => {
-    const b64State = toBase64(
-      `{"code":"graph TD\\nA[\\"<img src='https://dummyimage.com/64' width=64/>\\"]","mermaid":"{\\"securityLevel\\": \\"loose\\", \\"theme\\": \\"forest\\"}","autoSync":true,"updateDiagram":true}`,
-      true
-    );
-    cy.on('window:confirm', () => false);
-    cy.visit(`/edit#${b64State}`);
-    cy.get('#editor').type(' ');
-    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.');
-  });
-});
-
-describe('Verify types of URLs', () => {
-  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');
-  });
-
-  describe('Uncompressed URLs', () => {
-    it('should load URL without specifier', () => {
-      cy.visit(
-        '/edit/#eyJjb2RlIjoiZ3JhcGhcbiAgICBUZXN0TGFiZWwiLCJtZXJtYWlkIjoie1xuICBcInRoZW1lXCI6IFwiZGVmYXVsdFwiXG59IiwidXBkYXRlRWRpdG9yIjpmYWxzZSwiYXV0b1N5bmMiOnRydWUsInVwZGF0ZURpYWdyYW0iOmZhbHNlfQ'
-      );
-      cy.contains('TestLabel');
-      cy.visit(
-        '/edit#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'
-      );
-      cy.contains('Animal');
-    });
-
-    it('should load URL with "base64" specifier', () => {
-      cy.visit(
-        '/edit/#base64:eyJjb2RlIjoiZ3JhcGhcbiAgICBUZXN0TGFiZWwiLCJtZXJtYWlkIjoie1xuICBcInRoZW1lXCI6IFwiZGVmYXVsdFwiXG59IiwidXBkYXRlRWRpdG9yIjpmYWxzZSwiYXV0b1N5bmMiOnRydWUsInVwZGF0ZURpYWdyYW0iOmZhbHNlfQ'
-      );
-      cy.contains('TestLabel');
-    });
-  });
-});

cypress/e2e/themes.spec.ts

@@ -1,56 +0,0 @@
-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('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('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

@@ -1,55 +0,0 @@
-export const cmd = `{${Cypress.platform === 'darwin' ? 'meta' : 'ctrl'}}`;
-
-interface EditorOptions {
-  bottom?: boolean;
-  newline?: boolean;
-}
-
-export const typeInEditor = (
-  text: string,
-  { bottom = true, newline = false }: EditorOptions = {}
-) => {
-  cy.window().should('have.property', 'editorLoaded', true);
-  cy.get('#editor').click();
-  cy.get('#editor').within(() => {
-    if (bottom) {
-      cy.get('textarea').type('{pageDown}', { force: true });
-    }
-    if (newline) {
-      cy.get('textarea').type('{enter}', { force: true });
-    }
-    cy.get('textarea').type(text, { force: true });
-  });
-};
-
-const downloadsFolder = Cypress.config('downloadsFolder');
-
-export const verifyFileSizeGreaterThan = (
-  fileType: 'history' | 'diagram',
-  extension: string,
-  size: number
-) => {
-  cy.get('#view').should('not.have.class', 'outOfSync');
-  cy.task('readAndDeleteFile', {
-    folder: downloadsFolder,
-    fileNamePattern: `^mermaid-${fileType}-.*.${extension}$`,
-    mode: 'size'
-  }).then((fileSize: number) => {
-    expect(fileSize).to.be.gt(size);
-    expect(fileSize).to.be.lt(size * 1.3);
-  });
-};
-
-export const verifyFileSnapshot = (
-  fileType: 'history' | 'diagram',
-  extension: string,
-  content: string
-) => {
-  cy.task('readAndDeleteFile', {
-    folder: downloadsFolder,
-    fileNamePattern: `^mermaid-${fileType}-.*.${extension}$`,
-    mode: 'content'
-  }).then((fileContent: number) => {
-    expect(fileContent).to.contain(content);
-  });
-};

cypress/fixtures/example.json

@@ -1,5 +0,0 @@
-{
-  "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

@@ -1,52 +0,0 @@
-module.exports = {
-  "Site Loads": {
-    "Check Home page load": {
-      "1": "{\"code\":\"flowchart 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": "12.17.4",
-  "Auto sync tests": {
-    "should dim diagram when code is edited": {
-      "1": "{\"code\":\"flowchart 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\":\"flowchart 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

@@ -1,38 +0,0 @@
-// ***********************************************
-// 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

@@ -1,27 +0,0 @@
-// ***********************************************************
-// 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';
-
-// 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

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

netlify.toml

@@ -1,3 +1,12 @@
 [build.environment]
 	MERMAID_ANALYTICS_URL = 'https://p.mermaid.live'
 	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

package.json

@@ -5,8 +5,8 @@
   "license": "MIT",
   "scripts": {
     "dev": "vite dev",
-    "dev:force": "MERMAID_LOCAL=true yarn dev --force",
-    "dev:test": "yarn dev",
+    "dev:force": "MERMAID_LOCAL=true pnpm dev --force",
+    "dev:test": "pnpm dev",
     "build": "vite build",
     "preview": "vite preview",
     "lint": "prettier --check --cache . && eslint --ignore-path .gitignore .",
@@ -15,73 +15,97 @@
     "pre-commit": "lint-staged",
     "postinstall": "husky install && svelte-kit sync && (git config blame.ignoreRevsFile .git-blame-ignore-revs || true)",
     "test:unit": "vitest",
-    "test:ui": "vitest --ui",
-    "test:coverage": "vitest run --coverage",
-    "test:browser": "cypress run",
-    "test": "test:unit && test:browser",
-    "cy": "cypress open"
+    "test:unit:ui": "vitest --ui",
+    "test:unit:coverage": "vitest run --coverage",
+    "test": "pnpm test:unit && pnpm test:e2e",
+    "test:e2e": "playwright test",
+    "test:e2e:ui": "playwright test --ui",
+    "test:e2e:debug": "playwright test --debug"
   },
   "devDependencies": {
-    "@cypress/snapshot": "2.1.7",
-    "@fortawesome/fontawesome-free": "^6.5.1",
-    "@sveltejs/adapter-static": "3.0.2",
-    "@sveltejs/kit": "2.5.16",
-    "@sveltejs/vite-plugin-svelte": "^3.0.1",
-    "@testing-library/svelte": "4.2.3",
+    "@fortawesome/fontawesome-free": "^6.7.2",
+    "@iconify-json/material-symbols": "^1.2.20",
+    "@iconify-json/mdi": "^1.2.3",
+    "@playwright/test": "^1.52.0",
+    "@sveltejs/adapter-static": "3.0.8",
+    "@sveltejs/kit": "2.20.8",
+    "@sveltejs/vite-plugin-svelte": "^4.0.4",
+    "@types/hammerjs": "^2.0.46",
     "@types/lodash-es": "^4.17.12",
+    "@types/node": "^22.15.10",
     "@types/pako": "2.0.3",
     "@types/uuid": "9.0.8",
     "@typescript-eslint/eslint-plugin": "6.21.0",
     "@typescript-eslint/parser": "6.21.0",
-    "@vitest/ui": "^1.1.3",
-    "autoprefixer": "^10.4.14",
+    "@vitest/coverage-v8": "2.1.9",
+    "@vitest/ui": "^2.1.9",
+    "autoprefixer": "^10.4.21",
+    "bits-ui": "^1.4.6",
     "c8": "7.14.0",
-    "chai": "^4.3.7",
-    "cssnano": "^6.0.0",
-    "cypress": "12.17.4",
-    "cypress-localstorage-commands": "2.2.6",
-    "eslint": "8.57.0",
+    "chai": "^4.5.0",
+    "clsx": "^2.1.1",
+    "cssnano": "^6.1.2",
+    "eslint": "8.57.1",
     "eslint-config-prettier": "9.1.0",
-    "eslint-plugin-cypress": "2.15.2",
     "eslint-plugin-es": "^4.1.0",
-    "eslint-plugin-no-only-tests": "^3.1.0",
+    "eslint-plugin-no-only-tests": "^3.3.0",
     "eslint-plugin-postcss-modules": "^2.0.0",
-    "eslint-plugin-svelte": "^2.35.1",
-    "eslint-plugin-tailwindcss": "^3.13.1",
+    "eslint-plugin-sort-keys": "^2.3.5",
+    "eslint-plugin-svelte": "^2.46.1",
+    "eslint-plugin-tailwindcss": "^3.18.0",
     "eslint-plugin-unicorn": "^50.0.1",
-    "eslint-plugin-vitest": "^0.5.0",
+    "eslint-plugin-vitest": "^0.5.4",
     "esserializer": "^1.3.11",
     "husky": "^8.0.3",
-    "jsdom": "^21.1.2",
-    "lint-staged": "^15.2.0",
-    "node-html-parser": "^6.1.5",
-    "postcss": "^8.4.33",
+    "jsdom": "^25.0.1",
+    "lint-staged": "^15.5.1",
+    "lucide-svelte": "^0.507.0",
+    "node-html-parser": "^6.1.13",
+    "paneforge": "^1.0.0-next.5",
+    "postcss": "^8.5.3",
     "postcss-load-config": "5.1.0",
-    "prettier": "^3.1.0",
-    "prettier-plugin-svelte": "^3.1.2",
-    "prettier-plugin-tailwindcss": "^0.6.0",
-    "svelte": "^4.2.8",
-    "svelte-preprocess": "^5.1.3",
-    "tailwindcss": "^3.4.1",
-    "tslib": "^2.6.2",
-    "typescript": "^5.3.3",
-    "vite": "^5.0.11",
-    "vitest": "^1.1.3",
+    "prettier": "^3.5.3",
+    "prettier-plugin-svelte": "^3.3.3",
+    "prettier-plugin-tailwindcss": "^0.6.11",
+    "svelte": "^5.28.2",
+    "svelte-preprocess": "^6.0.3",
+    "svelte-sonner": "^0.3.28",
+    "tailwind-merge": "^3.2.0",
+    "tailwind-variants": "^0.3.1",
+    "tailwindcss": "^3.4.17",
+    "tailwindcss-animate": "^1.0.7",
+    "tslib": "^2.8.1",
+    "typescript": "^5.8.3",
+    "unplugin-icons": "^22.1.0",
+    "vite": "^5.4.19",
+    "vitest": "^2.1.9",
     "vitest-dom": "^0.1.1"
   },
   "dependencies": {
+    "@codemirror/lang-json": "^6.0.1",
+    "@codemirror/lang-markdown": "^6.3.2",
+    "@codemirror/lang-yaml": "^6.1.2",
+    "@codemirror/language": "^6.11.0",
+    "@codemirror/state": "^6.5.2",
+    "@codemirror/view": "^6.36.7",
+    "@fontsource-variable/recursive": "^5.2.5",
+    "@fsegurai/codemirror-theme-vscode-dark": "^6.1.4",
+    "@fsegurai/codemirror-theme-vscode-light": "^6.1.4",
+    "@mermaid-js/layout-elk": "^0.1.7",
     "@mermaid-js/mermaid-zenuml": "^0.2.0",
-    "daisyui": "2.52.0",
-    "dayjs": "^1.11.7",
+    "codemirror": "^6.0.1",
+    "dayjs": "^1.11.13",
+    "hammerjs": "^2.0.8",
     "js-base64": "3.7.7",
     "lodash-es": "^4.17.21",
-    "mermaid": "10.9.1",
-    "monaco-editor": "0.49.0",
+    "mermaid": "^11.6.0",
+    "mode-watcher": "^0.5.1",
+    "monaco-editor": "0.52.2",
     "pako": "2.1.0",
-    "plausible-tracker": "^0.3.8",
+    "plausible-tracker": "^0.3.9",
     "random-word-slugs": "0.1.7",
-    "svg-pan-zoom": "3.6.1",
-    "svg2roughjs": "^3.2.0",
+    "svg-pan-zoom": "3.6.2",
+    "svg2roughjs": "^3.2.1",
     "uuid": "9.0.1"
   },
   "lint-staged": {
@@ -90,11 +114,18 @@
       "eslint --ignore-path .gitignore "
     ]
   },
-  "volta": {
-    "node": "18.20.3",
-    "yarn": "1.22.22"
-  },
   "engines": {
-    "node": ">=16.7"
+    "node": ">=20.19.0"
+  },
+  "packageManager": "pnpm@10.10.0+sha512.d615db246fe70f25dcfea6d8d73dee782ce23e2245e3c4f6f888249fb568149318637dca73c2c5c8ef2a4ca0d5657fb9567188bfab47f566d1ee6ce987815c39",
+  "pnpm": {
+    "onlyBuiltDependencies": [
+      "deasync",
+      "esbuild",
+      "svelte-preprocess"
+    ],
+    "ignoredBuiltDependencies": [
+      "vue-demi"
+    ]
   }
 }

playwright.config.ts

@@ -0,0 +1,28 @@
+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
+});

renovate.json

@@ -24,5 +24,6 @@
   "major": {
     "dependencyDashboardApproval": true
   },
-  "dependencyDashboardAutoclose": true
+  "dependencyDashboardAutoclose": true,
+  "rangeStrategy": "bump"
 }

src/app.html

@@ -4,20 +4,18 @@
     <meta charset="utf-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <title>Online FlowChart &amp; Diagrams Editor - Mermaid Live Editor</title>
-    <meta
-      name="og:image"
-      content="https://github.com/mermaid-js/mermaid/raw/develop/img/header.png" />
+    <meta name="og:image" content="%sveltekit.assets%/favicon.svg" />
     <link rel="canonical" href="https://mermaid.live" />
     <meta
       name="description"
       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="icon" type="image/png" href="%sveltekit.assets%/favicon.svg" />
     <link rel="mask-icon" href="%sveltekit.assets%/favicon.svg" color="#000000" />
-    <meta name="theme-color" content="#6366F1" />
+    <meta name="theme-color" content="#ff3670" />
     <link rel="manifest" href="%sveltekit.assets%/manifest.json" />
     %sveltekit.head%
   </head>
-  <body style="overflow: hidden">
+  <body>
     <div id="svelte">%sveltekit.body%</div>
   </body>
 </html>

src/app.postcss

@@ -1,17 +1,68 @@
-@import '@fortawesome/fontawesome-free/css/all.min.css';
+@import '@fontsource-variable/recursive/crsv.css';
 
 @tailwind base;
 @tailwind components;
 @tailwind utilities;
 
-.input {
-  @apply flex-1 rounded border-2 border-solid border-primary;
+@layer base {
+  :root {
+    --background: 0 0% 100%;
+    --foreground: 222.2 84% 4.9%;
+    --card: 0 0% 100%;
+    --card-foreground: 222.2 84% 4.9%;
+    --popover: 0 0% 100%;
+    --popover-foreground: 222.2 84% 4.9%;
+    --primary: 240 10% 91%;
+    --primary-foreground: 255 20% 15%;
+    --secondary: 210 40% 96.1%;
+    --secondary-foreground: 222.2 47.4% 11.2%;
+    --muted: 228 24% 96%;
+    --muted-foreground: 215.4 16.3% 46.9%;
+    --accent: 340 100% 44%;
+    --accent-foreground: 210 40% 98%;
+    --destructive: 0 72.22% 50.59%;
+    --destructive-foreground: 210 40% 98%;
+    --border: 214.3 31.8% 91.4%;
+    --input: 214.3 31.8% 91.4%;
+    --ring: 222.2 84% 4.9%;
+    --radius: 0.75rem;
+  }
+  .dark {
+    --background: 222.2 84% 4.9%;
+    --foreground: 210 40% 98%;
+    --card: 222.2 84% 4.9%;
+    --card-foreground: 210 40% 98%;
+    --popover: 222.2 84% 4.9%;
+    --popover-foreground: 210 40% 98%;
+    --primary: 210 40% 30%;
+    --primary-foreground: 222.2 47.4% 90%;
+    --secondary: 217.2 32.6% 17.5%;
+    --secondary-foreground: 210 40% 98%;
+    --muted: 217.2 32.6% 17.5%;
+    --muted-foreground: 215 20.2% 65.1%;
+    --accent: 340 100% 44%;
+    --accent-foreground: 210 40% 98%;
+    --destructive: 0 62.8% 30.6%;
+    --destructive-foreground: 210 40% 98%;
+    --border: 217.2 32.6% 17.5%;
+    --input: 217.2 32.6% 17.5%;
+    --ring: 212.7 26.8% 83.9%;
+  }
 }
-.action-btn {
-  @apply btn btn-primary;
+
+@layer base {
+  * {
+    @apply border-border;
+  }
+  body {
+    @apply h-screen w-screen overflow-hidden bg-background text-foreground;
+  }
 }
-#graph-div sub,
-#graph-div sup {
-  position: initial;
-  vertical-align: revert;
+
+body {
+  font-family: 'Recursive Variable', sans-serif;
+}
+
+.d {
+  @apply border border-red-500;
 }

src/env.d.ts

@@ -5,6 +5,7 @@ interface ImportMetaEnv {
   readonly MERMAID_KROKI_RENDERER_URL?: string;
   readonly MERMAID_ANALYTICS_URL?: string;
   readonly MERMAID_DOMAIN?: string;
+  readonly MERMAID_IS_ENABLED_MERMAID_CHART_LINKS?: string;
   // more env variables...
 }
 

src/lib/components/Actions.svelte

@@ -1,84 +1,141 @@
 <script lang="ts">
+  import Card from '$/components/Card/Card.svelte';
+  import CopyButton from '$/components/CopyButton.svelte';
+  import CopyInput from '$/components/CopyInput.svelte';
+  import { Button } from '$/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 { env } from '$/util/env';
   import { browser } from '$app/environment';
-  import Card from '$lib/components/Card/Card.svelte';
   import { waitForRender } from '$lib/util/autoSync';
-  import { env } from '$lib/util/env';
-  import { pakoSerde } from '$lib/util/serde';
-  import { stateStore } from '$lib/util/state';
+  import { inputStateStore, stateStore, urlsStore } from '$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 { version as FAVersion } from '@fortawesome/fontawesome-free/package.json';
+  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/${FAVersion}/css/all.min.css`;
+  const fontAwesomeURLs = (() => {
+    const baseUrl = `https://cdnjs.cloudflare.com/ajax/libs/font-awesome/${FAVersion}`;
+    return {
+      css: `${baseUrl}/css/all.min.css`,
+      woff2: `${baseUrl}/webfonts/fa-solid-900.woff2`
+    };
+  })();
 
-  const { krokiRendererUrl, rendererUrl } = env;
   type Exporter = (context: CanvasRenderingContext2D, image: HTMLImageElement) => () => void;
 
   const getFileName = (extension: string) =>
     `mermaid-diagram-${dayjs().format('YYYY-MM-DD-HHmmss')}.${extension}`;
 
-  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;
+  const getSvgElement = async () => {
+    try {
+      $inputStateStore.panZoom = false;
+      await new Promise((resolve) => setTimeout(resolve, 1000));
+      await waitForRender();
+      const svgElement = document.querySelector('#container svg');
+      if (!svgElement) {
+        throw new Error('svg not found');
+      }
+      svgElement.setAttribute('xmlns:xlink', 'http://www.w3.org/1999/xlink');
+      return {
+        svg: svgElement.cloneNode(true) as HTMLElement,
+        box: svgElement.querySelector('g')!.getBoundingClientRect()
+      };
+    } finally {
+      setTimeout(() => {
+        $inputStateStore.panZoom = true;
+      }, 10000);
     }
-    height && svg?.setAttribute('height', `${height}px`);
-    width && svg?.setAttribute('width', `${width}px`); // Workaround https://stackoverflow.com/questions/28690643/firefox-error-rendering-an-svg-image-to-html5-canvas-with-drawimage
-    if (!svg) {
-      svg = getSvgElement();
+  };
+
+  const injectFontAwesome = async ({
+    svgString,
+    fontAwesomeEmbedMode
+  }: {
+    svgString: string;
+    fontAwesomeEmbedMode: 'raw' | 'url';
+  }) => {
+    if (fontAwesomeEmbedMode === 'url') {
+      return `<?xml version="1.0" encoding="UTF-8"?>
+<?xml-stylesheet href="${fontAwesomeURLs.css}" type="text/css"?>
+${svgString}`;
     }
+
+    const [fontAwesomeCSS, fontBlob] = await Promise.all([
+      fetch(fontAwesomeURLs.css).then((response) => response.text()),
+      fetch(fontAwesomeURLs.woff2).then((res) => res.blob())
+    ]);
+    const reader = new FileReader();
+    const fontBase64 = await new Promise<string>((resolve) => {
+      reader.onloadend = () => {
+        const base64 = reader.result as string;
+        // Remove the data URL prefix (data:application/octet-stream;base64,)
+        resolve(base64.split(',')[1]);
+      };
+      reader.readAsDataURL(fontBlob);
+    });
+    const styleString = `
+@font-face {
+  font-family: 'Font Awesome 6 Free';
+  font-style: normal;
+  font-weight: 900;
+  src: url(data:font/woff2;base64,${fontBase64}) format('woff2');
+}
+
+.fa {
+  font-family: 'Font Awesome 6 Free';
+  font-weight: 900;
+  // TODO: Make this dynamic from config
+  font-size: 16px;
+  width: 16px;
+  fill: black;
+}
+
+${fontAwesomeCSS}
+`;
+    return svgString.replace('<style>', `<style>${styleString}`);
+  };
+
+  const getBase64SVG = async ({
+    svg,
+    box,
+    width,
+    height,
+    embedFontAwesome
+  }: {
+    svg?: HTMLElement;
+    box?: DOMRect;
+    width?: number;
+    height?: number;
+    embedFontAwesome?: boolean;
+  } = {}): Promise<string> => {
+    if (!svg || !box) {
+      ({ svg, box } = await getSvgElement());
+    }
+
+    console.log(box);
+    // Prevents the SVG size of the interface from being changed
+    // svg = svg.cloneNode(true) as HTMLElement;
+
+    height && svg.setAttribute('height', `${height}px`);
+    width && svg.setAttribute('width', `${width}px`); // Workaround https://stackoverflow.com/questions/28690643/firefox-error-rendering-an-svg-image-to-html5-canvas-with-drawimage
+    svg.setAttribute('viewBox', `0 0 ${box.width} ${box.height}`);
     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 svgStringWithFontAwesome = await injectFontAwesome({
+      svgString,
+      fontAwesomeEmbedMode: embedFontAwesome ? 'raw' : 'url'
+    });
 
-  const exportImage = async (event: Event, exporter: Exporter) => {
-    await waitForRender();
-    if (document.querySelector('.outOfSync')) {
-      throw new Error('Diagram is out of sync');
-    }
-    const canvas: HTMLCanvasElement = document.createElement('canvas');
-    const svg = document.querySelector<HTMLElement>('#container svg');
-    if (!svg) {
-      throw new Error('svg not found');
-    }
-    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');
-    if (!context) {
-      throw new Error('context not found');
-    }
-    context.fillStyle = `hsl(${window.getComputedStyle(document.body).getPropertyValue('--b1')})`;
-    context.fillRect(0, 0, canvas.width, canvas.height);
-
-    const image = new Image();
-    image.addEventListener('load', exporter(context, image));
-    image.src = `data:image/svg+xml;base64,${getBase64SVG(svg, canvas.width, canvas.height)}`;
-
-    event.stopPropagation();
-    event.preventDefault();
-  };
-
-  const getSvgElement = () => {
-    const svgElement = document.querySelector('#container svg')?.cloneNode(true) as HTMLElement;
-    svgElement.setAttribute('xmlns:xlink', 'http://www.w3.org/1999/xlink');
-    return svgElement;
+    console.log(svgStringWithFontAwesome);
+    return toBase64(svgStringWithFontAwesome);
   };
 
   const simulateDownload = (download: string, href: string): void => {
@@ -88,6 +145,48 @@ ${svgString}`);
     a.click();
     a.remove();
   };
+
+  const exportImage = async (event: Event, exporter: Exporter) => {
+    event.stopPropagation();
+    event.preventDefault();
+    const canvas = document.createElement('canvas');
+    const { svg, box } = await getSvgElement();
+
+    if (imageSizeMode === 'width') {
+      const ratio = box.height / box.width;
+      canvas.width = imageSize;
+      canvas.height = imageSize * ratio;
+    } else if (imageSizeMode === 'height') {
+      const ratio = box.width / box.height;
+      canvas.width = imageSize * ratio;
+      canvas.height = imageSize;
+    } else {
+      const multiplier = 2;
+      canvas.width = box.width * multiplier;
+      canvas.height = box.height * multiplier;
+    }
+
+    const context = canvas.getContext('2d');
+    if (!context) {
+      throw new Error('context not found');
+    }
+
+    context.fillStyle = `hsl(${window.getComputedStyle(document.body).getPropertyValue('--background')})`;
+    context.fillRect(0, 0, canvas.width, canvas.height);
+
+    const image = new Image();
+    image.addEventListener('load', () => {
+      exporter(context, image)();
+    });
+    image.src = `data:image/svg+xml;base64,${await getBase64SVG({ svg, box, height: canvas.height, width: canvas.width, embedFontAwesome: true })}`;
+    // Fallback to set panZoom to true after 2 seconds
+    // This is a workaround for the case when the image is not loaded
+    // setTimeout(() => {
+    //   if (!$inputStateStore.panZoom) {
+    //   }
+    // }, 2000);
+  };
+
   const downloadImage: Exporter = (context, image) => {
     return () => {
       const { canvas } = context;
@@ -100,7 +199,7 @@ ${svgString}`);
   };
 
   const isClipboardAvailable = (): boolean => {
-    return Object.prototype.hasOwnProperty.call(window, 'ClipboardItem') as boolean;
+    return Object.prototype.hasOwnProperty.call(window, 'ClipboardItem');
   };
 
   const clipboardCopy: Exporter = (context, image) => {
@@ -136,127 +235,100 @@ ${svgString}`);
     });
   };
 
-  const onDownloadSVG = () => {
-    simulateDownload(getFileName('svg'), `data:image/svg+xml;base64,${getBase64SVG()}`);
+  const onDownloadSVG = async () => {
+    simulateDownload(getFileName('svg'), `data:image/svg+xml;base64,${await getBase64SVG()}`);
     logEvent('download', {
       type: 'svg'
     });
   };
 
-  const onCopyMarkdown = () => {
-    document.querySelector<HTMLInputElement>('#markdown')?.select();
-    document.execCommand('Copy');
-    logEvent('copyMarkdown');
-  };
-
-  let gistURL = '';
+  let gistURL = $state('');
   stateStore.subscribe(({ loader }) => {
     if (loader?.type === 'gist') {
-      // @ts-expect-error Gist will have url
       gistURL = loader.config.url;
     }
   });
 
   const loadGist = () => {
     if (!gistURL) {
-      alert('Please enter a Gist URL first');
+      return 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 imageSizeMode: 'auto' | 'width' | 'height' = $state('auto');
 
-  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})`;
+  $effect(() => {
+    if (!imageSizeMode) {
+      imageSizeMode = 'auto';
+    }
   });
+
+  let imageSize = $state(1080);
+
+  const isNetlify = browser && window.location.host.includes('netlify');
 </script>
 
-<Card title="Actions" isOpen={false}>
-  <div class="m-2 flex flex-wrap gap-2">
-    {#if isClipboardAvailable()}
-      <button class="action-btn w-full" on:click={onCopyClipboard}
-        ><i class="far fa-copy mr-2" /> Copy Image to clipboard
-      </button>
+{#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>
+    {#if url}
+      <Button class="rounded-l-none" href={url} target="_blank" rel="noreferrer noopener">
+        <ExternalLinkIcon />
+      </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>
+{/snippet}
 
-    <div class="flex items-center gap-2">
+<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 whitespace-nowrap py-2">
       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} />
+      <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, $urlsStore.svg)}
+      {#if env.krokiRendererUrl}
+        <a target="_blank" rel="noreferrer" class="flex-grow" href={$urlsStore.kroki}>
+          <Button class="action-btn flex w-full items-center gap-2">
+            <ExternalLinkIcon /> Kroki
+          </Button>
+        </a>
       {/if}
     </div>
+    <Separator />
+    {#if isClipboardAvailable()}
+      <CopyButton onclick={onCopyClipboard} label="Copy Image" />
+    {/if}
+    {#if $urlsStore.mdCode}
+      <CopyInput value={$urlsStore.mdCode} label="Copy Markdown" testID={TID.copyMarkdown} />
+    {/if}
 
     <div class="flex w-full items-center gap-2">
-      <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="flex w-full items-center gap-2">
-      <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>
+      <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">

src/lib/components/Card/Card.svelte

@@ -1,33 +1,85 @@
 <script lang="ts">
-  import type { Tab } from '$lib/types';
+  import type { Tab } from '$/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';
-  export let isCloseable = true;
-  export let isOpen = true;
-  export let tabs: Tab[] = [];
-  export let activeTabID = '';
-  export let title: string;
-  $: isOpen = isCloseable ? isOpen : true;
-  $: isTabsShown = isOpen && tabs.length > 0;
+
+  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 m-2 flex flex-grow flex-col overflow-hidden rounded shadow-2xl">
+<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="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 items-center gap-x-4 {isTabsShown ? '-mt-2' : ''}">
-        <slot name="actions" />
-      </div>
-    </div>
+    class={[
+      'flex h-11 flex-none cursor-pointer items-center justify-between whitespace-nowrap bg-muted p-2',
+      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="card-body flex-grow overflow-auto p-0 text-base-content" transition:slide>
-      <slot />
+    <div class="flex-grow overflow-x-auto" transition:slide={{ easing: quintOut }}>
+      {@render children()}
     </div>
   {/if}
 </div>

src/lib/components/Card/Tabs.svelte

@@ -1,56 +1,52 @@
 <script lang="ts">
-  import type { Tab, TabEvents } from '$lib/types';
-  import { createEventDispatcher } from 'svelte';
+  import { Button } from '$/components/ui/button';
+  import { Separator } from '$/components/ui/separator';
+  import type { Tab } from '$lib/types';
   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;
+
+  let {
+    tabs,
+    activeTabID,
+    onselect
+  }: {
+    tabs: Tab[];
+    activeTabID: string;
+    onselect?: (tab: Tab) => void;
+  } = $props();
 
   if (!activeTabID && tabs.length > 0) {
     activeTabID = tabs[0].id;
   }
-  const dispatch = createEventDispatcher<TabEvents>();
+
   const toggleTabs = (tab: Tab) => {
-    activeTabID = tab.id;
-    dispatch('select', tab);
+    return (event: Event) => {
+      event.stopPropagation();
+      onselect?.(tab);
+    };
   };
 </script>
 
-<div class="flex cursor-default">
-  <span
-    role="menubar"
-    tabindex="0"
-    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
-          role="tab"
-          tabindex="0"
-          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>
+<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}
+      <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>
 
-<style>
-  .icon {
-    transition-duration: 0.5s;
-  }
-  .isOpen {
-    transform: rotate(90deg);
-  }
-</style>
+      {#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/Card/card.test.ts

@@ -1,23 +0,0 @@
-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', icon: 'fab fa-git-alt' },
-        { id: 't2', title: 'title2', icon: 'far fa-bookmark' }
-      ]
-    });
-    expect(container).toBeTruthy();
-    expect(container).toHaveTextContent('TabTest');
-    expect(container).toHaveTextContent('title1');
-    expect(container).toHaveTextContent('title2');
-    expect(container).not.toHaveTextContent('title3');
-  });
-});

src/lib/components/CopyButton.svelte

@@ -0,0 +1,41 @@
+<script lang="ts">
+  import { Button } from '$/components/ui/button';
+  import type { InputType } from '$/types';
+  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; type?: InputType } = $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

@@ -0,0 +1,25 @@
+<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

@@ -0,0 +1,118 @@
+<script lang="ts">
+  import type { EditorProps } from '$/types';
+  import { stateStore } from '$/util/state';
+  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';
+
+  const { onUpdate }: EditorProps = $props();
+
+  let divElement: HTMLDivElement | undefined = $state();
+  let editor: monaco.editor.IStandaloneCodeEditor | undefined;
+  let editorOptions = {
+    minimap: {
+      enabled: false
+    },
+    overviewRulerLanes: 0
+  } satisfies monaco.editor.IStandaloneEditorConstructionOptions;
+  let currentText = '';
+
+  const jsonModel = monaco.editor.createModel(
+    '',
+    'json',
+    monaco.Uri.parse('internal://config.json')
+  );
+  const mermaidModel = monaco.editor.createModel(
+    '',
+    'mermaid',
+    monaco.Uri.parse('internal://mermaid.mmd')
+  );
+
+  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: 'https://mermaid.js.org/schemas/config.schema.json'
+        }
+      ]
+    });
+
+    initEditor(monaco);
+    errorDebug();
+    editor = monaco.editor.create(divElement, editorOptions);
+    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);
+      }
+
+      // Update editor text if it's different
+      const newText = editorMode === 'code' ? code : mermaid;
+      if (newText !== currentText) {
+        editor.setScrollTop(0);
+        editor.setValue(newText);
+        currentText = newText;
+      }
+
+      // Display/clear errors
+      monaco.editor.setModelMarkers(model, 'mermaid', errorMarkers);
+    });
+
+    const unsubscribeMode = mode.subscribe((mode) => {
+      editor && monaco.editor.setTheme(`mermaid${mode === 'dark' ? '-dark' : ''}`);
+    });
+    const resizeObserver = new ResizeObserver((entries) => {
+      editor?.layout({
+        height: entries[0].contentRect.height,
+        width: entries[0].contentRect.width
+      });
+    });
+
+    if (divElement.parentElement) {
+      resizeObserver.observe(divElement);
+    }
+
+    return () => {
+      unsubscribeState();
+      unsubscribeMode();
+      resizeObserver.disconnect();
+      editor?.dispose();
+    };
+  });
+</script>
+
+<div bind:this={divElement} id="editor" class="h-full flex-grow overflow-hidden"></div>

src/lib/components/DiagramDocumentationButton.svelte

@@ -0,0 +1,109 @@
+<script lang="ts">
+  import { Button } from '$/components/ui/button';
+  import { TID } from '$/constants';
+  import type { DocumentationConfig } from '$/types';
+  import { standardizeDiagramType } from '$/util/mermaid';
+  import { stateStore } from '$/util/state';
+  import BookIcon from '~icons/material-symbols/book-2-outline-rounded';
+
+  const docURLBase = 'https://mermaid.js.org';
+  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'
+    },
+    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

@@ -0,0 +1,38 @@
+<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 }}
+        <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

@@ -1,133 +1,55 @@
-<script lang="ts" context="module">
-  declare global {
-    interface Window {
-      Cypress: boolean;
-      editorLoaded: boolean;
-    }
-  }
-</script>
-
 <script lang="ts">
-  import type { EditorMode } from '$lib/types';
-  import { stateStore, updateCode, updateConfig } from '$lib/util/state';
-  import { themeStore } from '$lib/util/theme';
-  import { errorDebug, syncDiagram } from '$lib/util/util';
-  import * as monaco from 'monaco-editor';
-  import monacoJsonWorker from 'monaco-editor/esm/vs/language/json/json.worker?worker';
-  import monacoEditorWorker from 'monaco-editor/esm/vs/editor/editor.worker?worker';
-  import { onMount } from 'svelte';
-  import { initEditor } from '$lib/util/monacoExtra';
-  import { logEvent } from '$lib/util/stats';
+  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 ExclamationCircleIcon from '~icons/material-symbols/error-outline-rounded';
 
-  let divElement: HTMLDivElement | undefined;
-  let editor: monaco.editor.IStandaloneCodeEditor | undefined;
-  let editorOptions: monaco.editor.IStandaloneEditorConstructionOptions = {
-    minimap: {
-      enabled: false
-    },
-    theme: 'mermaid',
-    overviewRulerLanes: 0
-  };
-  let text = '';
-
-  stateStore.subscribe(({ errorMarkers, editorMode, code, mermaid }) => {
-    // console.log('editor store subscription', { code, mermaid });
-    if (!editor) {
-      return;
-    }
-
-    // Update editor text if it's different
-    const newText = editorMode === 'code' ? code : mermaid;
-    if (newText !== text) {
-      // console.log('updating editor text', newText);
-      editor.setScrollTop(0);
-      editor.setValue(newText);
-      text = newText;
-    }
-
-    // Update editor mode if it's different
-    const language = editorMode === 'code' ? 'mermaid' : 'json';
-    const model = editor.getModel();
-    if (!model) {
-      console.error("editor model doesn't exist");
-      return;
-    }
-    if (model.getLanguageId() !== language) {
-      monaco.editor.setModelLanguage(model, language);
-    }
-
-    // Display/clear errors
-    monaco.editor.setModelMarkers(model, 'mermaid', errorMarkers);
-  });
-
-  themeStore.subscribe(({ isDark }) => {
-    editor && monaco.editor.setTheme(isDark ? 'mermaid-dark' : 'mermaid');
-  });
-
-  const handleUpdate = (text: string, mode: EditorMode) => {
-    // console.log('editor HandleUpdate', { text, mode });
-    if (mode === 'code') {
+  let { isMobile }: { isMobile: boolean } = $props();
+  const onUpdate = (text: string) => {
+    if ($stateStore.editorMode === 'code') {
       updateCode(text);
     } else {
       updateConfig(text);
     }
   };
-
-  onMount(() => {
-    self.MonacoEnvironment = {
-      getWorker(_, label) {
-        if (label === 'json') {
-          return new monacoJsonWorker();
-        }
-        return new monacoEditorWorker();
-      }
-    };
-
-    if (!divElement) {
-      throw new Error('divEl is undefined');
-    }
-    // eslint-disable-next-line @typescript-eslint/no-unsafe-call
-    initEditor(monaco);
-    errorDebug();
-    editor = monaco.editor.create(divElement, editorOptions);
-    editor.onDidChangeModelContent(({ isFlush }) => {
-      const newText = editor?.getValue();
-      if (!newText || text === newText || isFlush) {
-        return;
-      }
-      text = newText;
-      handleUpdate(text, $stateStore.editorMode);
-    });
-    editor.addAction({
-      id: 'mermaid-render-diagram',
-      label: 'Render Diagram',
-      keybindings: [monaco.KeyMod.CtrlCmd | monaco.KeyCode.Enter],
-      run: function () {
-        syncDiagram();
-        logEvent('renderDiagram', {
-          method: 'keyboardShortcut'
-        });
-      }
-    });
-    monaco.editor.setTheme($themeStore.isDark ? 'mermaid-dark' : 'mermaid');
-    const resizeObserver = new ResizeObserver((entries) => {
-      editor?.layout({
-        height: entries[0].contentRect.height,
-        width: entries[0].contentRect.width
-      });
-    });
-
-    if (divElement.parentElement) {
-      resizeObserver.observe(divElement.parentElement);
-    }
-
-    if (window.Cypress) {
-      window.editorLoaded = true;
-    }
-    return () => {
-      editor?.dispose();
-    };
-  });
 </script>
 
-<div bind:this={divElement} id="editor" class="overflow-hidden" />
+<div class="flex h-full flex-col">
+  {#if isMobile}
+    <MobileEditor {onUpdate} />
+  {:else}
+    <DesktopEditor {onUpdate} />
+  {/if}
+  {#if $stateStore.error instanceof Error}
+    <div class="flex flex-col text-sm" data-testid={TID.errorContainer}>
+      <div class="flex items-center justify-between gap-2 bg-slate-900 p-2 text-white">
+        <div class="flex w-fit items-center gap-2">
+          <ExclamationCircleIcon class="size-6 text-destructive" aria-hidden="true" />
+          <div class="flex flex-col">
+            <p>Syntax error</p>
+            {#if env.isEnabledMermaidChartLinks}
+              <p class="text-xs text-white/60">Create a free account to repair with AI</p>
+            {/if}
+          </div>
+        </div>
+        <McWrapper>
+          <Button
+            variant="accent"
+            size="sm"
+            href={$urlsStore.mermaidChart({ medium: 'ai_repair' }).save}>
+            <MermaidChartIcon />
+            AI Repair
+          </Button>
+        </McWrapper>
+      </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/FloatingToolbar.svelte

@@ -0,0 +1,13 @@
+<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

@@ -0,0 +1,54 @@
+<!--
+  @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');
+
+  // eslint-disable-next-line unicorn/prefer-top-level-await
+  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

@@ -0,0 +1,14 @@
+<!--
+    @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

@@ -1,42 +1,53 @@
 <script lang="ts">
   import Card from '$lib/components/Card/Card.svelte';
-  import { inputStateStore, getStateString } from '$lib/util/state';
+  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,
-    historyModeStore,
     clearHistoryData,
     getPreviousState,
+    historyModeStore,
     historyStore,
     loaderHistoryStore,
     restoreHistory
   } from './history';
-  import { notify, prompt } from '$lib/util/notify';
-  import { onMount } from 'svelte';
-  import { get } from 'svelte/store';
-  import dayjs from 'dayjs';
-  import dayjsRelativeTime from 'dayjs/plugin/relativeTime';
-  import type { HistoryEntry, HistoryType, State, Tab } from '$lib/types';
-  import { logEvent } from '$lib/util/stats';
 
   dayjs.extend(dayjsRelativeTime);
 
   const HISTORY_SAVE_INTERVAL = 60_000;
 
-  const tabSelectHandler = (message: CustomEvent<Tab>) => {
-    historyModeStore.set(message.detail.id as HistoryType);
+  const tabSelectHandler = (tab: Tab) => {
+    historyModeStore.set(tab.id as HistoryType);
   };
-  let tabs: Tab[] = [
+
+  let tabs: Tab[] = $state([
     {
       id: 'manual',
       title: 'Saved',
-      icon: 'far fa-bookmark'
+      icon: BookmarkIcon
     },
     {
       id: 'auto',
       title: 'Timeline',
-      icon: 'fas fa-history'
+      icon: HistoryIcon
     }
-  ];
+  ]);
 
   const downloadHistory = () => {
     const data = get(historyStore);
@@ -92,11 +103,6 @@
     inputStateStore.set({ ...state, updateDiagram: true });
   };
 
-  const relativeTime = (time: number) => {
-    const t = new Date(time);
-    return `${new Date(t).toLocaleString()} (${dayjs(t).fromNow()})`;
-  };
-
   onMount(() => {
     historyModeStore.set('manual');
     setInterval(() => {
@@ -110,77 +116,93 @@
         {
           id: 'loader',
           title: 'Revisions',
-          icon: 'fab fa-git-alt'
+          icon: GitAltIcon
         },
         ...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-secondary btn-xs w-12"
-      on:click|stopPropagation={() => uploadHistory()}
-      title="Upload history"><i class="fa fa-upload" /></button>
+<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}
-      <button
-        id="downloadHistory"
-        class="btn btn-secondary btn-xs w-12"
-        on:click|stopPropagation={() => downloadHistory()}
-        title="Download history"><i class="fa fa-download" /></button>
-    {/if}
-    |
-    <button
-      id="saveHistory"
-      class="btn btn-success btn-xs 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-error btn-xs w-12"
-        on:click|stopPropagation={() => clearHistory()}
-        title="Delete all saved states"><i class="fas fa-trash-alt" /></button>
-    {/if}
-  </div>
-  <ul class="h-56 space-y-2 overflow-auto p-2" id="historyList">
-    {#if $historyStore.length > 0}
-      {#each $historyStore as { id, state, time, name, url, type }}
-        <li class="flex-col rounded p-2 shadow">
-          <div class="flex">
-            <div class="flex-1">
-              <div class="flex flex-col text-base-content">
-                {#if url}
-                  <a
-                    href={url}
-                    target="_blank"
-                    title="Open revision in new tab"
-                    class="text-blue-500 hover:underline">{name}</a>
-                {:else}
-                  <span>{name}</span>
-                {/if}
-                <span class="text-sm text-gray-400">{relativeTime(time)}</span>
-              </div>
+      {#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="whitespace-nowrap text-xs text-primary-foreground/30">
+                {new Date(time).toLocaleString()}
+              </span>
             </div>
-            <div class="flex content-center gap-2">
-              <button class="btn btn-success" on:click={() => restoreHistoryItem(state)}
-                ><i class="fas fa-undo mr-1" />Restore</button>
+
+            <div class="flex items-center gap-2">
+              <span class="whitespace-nowrap text-sm text-primary-foreground/50">
+                {dayjs(time).fromNow()}
+              </span>
+              <Button size="icon" variant="ghost" onclick={() => restoreHistoryItem(state)}>
+                <UndoIcon />
+              </Button>
               {#if type !== 'loader'}
-                <button class="btn btn-error" on:click={() => clearHistory(id)}
-                  ><i class="fas fa-trash-alt mr-1" />Delete</button>
+                <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">
+      <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.

src/lib/components/History/history.ts

@@ -1,10 +1,10 @@
-import { derived, writable, get } from 'svelte/store';
-import type { Readable, Writable } from 'svelte/store';
-import { persist, localStorage } from '$lib/util/persist';
-import { generateSlug } from 'random-word-slugs';
 import type { HistoryEntry, HistoryType, Optional } from '$lib/types';
-import { v4 as uuidV4 } from 'uuid';
+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;
 

src/lib/components/MainMenu.svelte

@@ -0,0 +1,87 @@
+<script lang="ts">
+  import McWrapper from '$/components/McWrapper.svelte';
+  import ThemeIcon from '$/components/ThemeIcon.svelte';
+  import * as Popover from '$/components/ui/popover';
+  import { Switch } from '$/components/ui/switch';
+  import { urlsStore } from '$/util/state';
+  import { cn } from '$/utils';
+  import { mode, setMode } from 'mode-watcher';
+  import type { Component } from 'svelte';
+  import AddIcon from '~icons/material-symbols/add-2-rounded';
+  import BookIcon from '~icons/material-symbols/book-2-outline-rounded';
+  import PluginIcon from '~icons/material-symbols/extension-outline';
+  import HomeIcon from '~icons/material-symbols/house-outline-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';
+
+  const menuItems = $derived([
+    { label: 'New Diagram', icon: AddIcon, href: $urlsStore.new },
+    { label: 'Home', icon: HomeIcon, href: 'https://mermaid.js.org/' },
+    { label: 'Documentation', icon: BookIcon, href: 'https://mermaid.js.org/intro/' },
+    { label: 'Community', icon: CommunityIcon, href: 'https://discord.gg/sKeNQX4Wtj' }
+  ]);
+
+  const mermaidChartMenuItems = $derived([
+    {
+      label: 'Edit in Playground',
+      icon: PlaygroundIcon,
+      href: $urlsStore.mermaidChart({ medium: 'main_menu' }).playground
+    },
+    {
+      label: 'Plugins',
+      icon: PluginIcon,
+      href: $urlsStore.mermaidChart({ medium: 'main_menu' }).plugins,
+      checkDiagramType: false
+    },
+    {
+      label: 'MermaidChart',
+      icon: MermaidChartIcon,
+      href: $urlsStore.mermaidChart({ medium: 'main_menu' }).home,
+      checkDiagramType: false
+    }
+  ]);
+</script>
+
+{#snippet menuItem(options: { label: string; icon: Component; href: string; class?: string })}
+  <a
+    href={options.href}
+    target="_blank"
+    class={cn(
+      'flex items-center justify-start gap-2 border-b bg-muted p-2 px-3 hover:bg-background',
+      options.class
+    )}>
+    <options.icon class="size-5" />
+    {options.label}
+  </a>
+{/snippet}
+
+<Popover.Root>
+  <Popover.Trigger class="shrink-0">
+    <img class="size-6" src="/favicon.svg" alt="Mermaid Live Editor" />
+  </Popover.Trigger>
+  <Popover.Content align="start" class="flex flex-col overflow-hidden p-0" sideOffset={16}>
+    {#each menuItems as item}
+      {@render menuItem(item)}
+    {/each}
+
+    <div class="flex items-center justify-between border-b bg-muted px-3 py-2 hover:bg-background">
+      <span class="flex items-center gap-2">
+        <ThemeIcon />
+        Dark Mode
+      </span>
+      <Switch
+        checked={$mode === 'dark'}
+        onCheckedChange={(dark) => setMode(dark ? 'dark' : 'light')} />
+    </div>
+
+    {#each mermaidChartMenuItems as item}
+      <McWrapper side="right" shouldCheckDiagramType={item.checkDiagramType}>
+        {@render menuItem({
+          ...item,
+          class: 'text-accent bg-background hover:bg-muted'
+        })}
+      </McWrapper>
+    {/each}
+  </Popover.Content>
+</Popover.Root>

src/lib/components/McWrapper.svelte

@@ -0,0 +1,50 @@
+<script lang="ts">
+  import { env } from '$/util/env';
+  import { stateStore } from '$/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,
+    shouldCheckDiagramType = true,
+    side = 'bottom',
+    labelPrefix = 'Opens a new tab in'
+  }: {
+    children: Snippet;
+    shouldCheckDiagramType?: boolean;
+    side?: ComponentProps<typeof Tooltip.Content>['side'];
+    labelPrefix?: string;
+  } = $props();
+
+  let shouldDisableComponent = $derived(
+    shouldCheckDiagramType && $stateStore.diagramType === 'zenuml'
+  );
+</script>
+
+{#if env.isEnabledMermaidChartLinks}
+  <Tooltip.Provider>
+    <Tooltip.Root delayDuration={100}>
+      <Tooltip.Trigger>
+        <div class={[shouldDisableComponent && 'pointer-events-none cursor-not-allowed grayscale']}>
+          {@render children()}
+        </div>
+      </Tooltip.Trigger>
+      <Tooltip.Content {side}>
+        <div class="flex items-center gap-2">
+          {#if shouldDisableComponent}
+            <div class="text-muted-foreground">
+              This diagram type is not supported in MermaidChart.com
+            </div>
+          {:else}
+            <ExternalLinkIcon />
+            <span class="flex items-center gap-1">
+              {labelPrefix}
+              <div class="text-accent">MermaidChart.com</div>
+            </span>
+          {/if}
+        </div>
+      </Tooltip.Content>
+    </Tooltip.Root>
+  </Tooltip.Provider>
+{/if}

src/lib/components/MermaidChartIcon.svelte

@@ -0,0 +1,7 @@
+<script lang="ts">
+  import type { ClassValue } from 'svelte/elements';
+
+  let { class: className }: { class?: ClassValue } = $props();
+</script>
+
+<img class={['size-4', className]} src="/mermaidchart-logo.svg" alt="Mermaid Chart" />

src/lib/components/MobileEditor.svelte

@@ -0,0 +1,99 @@
+<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

@@ -1,55 +1,50 @@
-<script context="module" lang="ts">
-  import { version } from 'mermaid/package.json';
+<script lang="ts" module>
   import { logEvent, plausible } from '$lib/util/stats';
+  import { version } from 'mermaid/package.json';
+
   void logEvent('version', {
     mermaidVersion: version
   });
 </script>
 
 <script lang="ts">
-  import Theme from './Theme.svelte';
+  import MainMenu from '$/components/MainMenu.svelte';
+  import McWrapper from '$/components/McWrapper.svelte';
+  import { Button } from '$/components/ui/button';
+  import { Separator } from '$/components/ui/separator';
+  import { Switch } from '$/components/ui/switch';
   import { dismissPromotion, getActivePromotion } from '$lib/util/promos/promo';
-  import Privacy from './Privacy.svelte';
-  let isMenuOpen = false;
+  import { urlsStore } from '$lib/util/state';
+  import { MCBaseURL } from '$lib/util/util';
+  import type { ComponentProps, Snippet } from 'svelte';
+  import CloseIcon from '~icons/material-symbols/close-rounded';
+  import GithubIcon from '~icons/mdi/github';
+  import DropdownNavMenu from './DropdownNavMenu.svelte';
 
-  function toggleMenu() {
-    isMenuOpen = !isMenuOpen;
+  interface Props {
+    mobileToggle?: Snippet;
+    children: Snippet;
   }
 
-  interface Link {
-    href: string;
-    title?: string;
-    icon?: string;
-    img?: string;
-  }
-  const links: Link[] = [
+  let { children, mobileToggle }: Props = $props();
+
+  const isReferral = document.referrer.includes(MCBaseURL);
+
+  type Links = ComponentProps<typeof DropdownNavMenu>['links'];
+
+  const githubLinks: Links = [
+    { title: 'Mermaid JS', href: 'https://github.com/mermaid-js/mermaid' },
     {
-      title: 'Documentation',
-      href: 'https://mermaid.js.org/intro/getting-started.html'
+      title: 'Mermaid Live Editor',
+      href: 'https://github.com/mermaid-js/mermaid-live-editor'
     },
     {
-      title: 'Tutorial',
-      href: 'https://mermaid.js.org/ecosystem/tutorials.html'
-    },
-    {
-      title: 'Mermaid',
-      href: 'https://github.com/mermaid-js/mermaid'
-    },
-    {
-      title: 'CLI',
+      title: 'Mermaid CLI',
       href: 'https://github.com/mermaid-js/mermaid-cli'
-    },
-    {
-      href: 'https://github.com/mermaid-js/mermaid-live-editor',
-      icon: 'fab fa-github fa-lg'
-    },
-    {
-      href: 'https://mermaidchart.com',
-      img: './mermaidchart-logo.svg'
     }
   ];
 
-  let activePromotion = getActivePromotion();
+  let activePromotion = $state(getActivePromotion());
 
   const trackBannerClick = () => {
     if (!plausible || !activePromotion) {
@@ -62,112 +57,81 @@
 </script>
 
 {#if activePromotion}
-  <div
-    class="top-bar z-10 flex h-fit w-full items-center justify-center bg-gradient-to-r from-[#bd34fe] to-[#ff3670] p-1 text-center text-white">
+  <div class="top-bar z-10 flex h-fit w-full bg-primary">
     <div
       class="flex flex-grow"
       role="button"
       tabindex="0"
-      on:click={trackBannerClick}
-      on:keypress={trackBannerClick}>
-      <svelte:component this={activePromotion.component} />
+      onclick={trackBannerClick}
+      onkeypress={trackBannerClick}>
+      <activePromotion.component {closeBanner} />
     </div>
-    <button
-      title="Dismiss banner"
-      on:click={() => {
-        dismissPromotion(activePromotion?.id);
-        activePromotion = undefined;
-      }}>
-      <i class="fa fa-close px-2" />
-    </button>
+    {#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}
 
-<div class="navbar bg-primary p-0 shadow-lg">
-  <div class="mx-2 flex-1 px-2">
-    <span class="text-lg font-bold">
-      <a href="/">Mermaid<span class="text-xs font-thin">v{version}</span> Live Editor</a>
-    </span>
-  </div>
+<nav class="z-50 flex p-4 sm:p-6">
+  <div class="flex flex-1 items-center gap-4">
+    <MainMenu />
+    <div
+      id="switcher"
+      class="flex items-center justify-center gap-4 font-medium"
+      class:flex-row-reverse={isReferral}>
+      <a href="/" class="whitespace-nowrap text-accent">
+        {#if !isReferral && !mobileToggle}
+          Mermaid
+        {/if}
+        Live Editor
+      </a>
 
-  <label
-    for="menu-toggle"
-    class={isMenuOpen ? 'hidden' : 'pointer-cursor fixed right-4 z-[1000] lg:hidden'}>
-    <svg
-      xmlns="http://www.w3.org/2000/svg"
-      xmlns:xlink="http://www.w3.org/1999/xlink"
-      class="fill-current"
-      width="20"
-      height="20"
-      viewBox="0 0 20 20">
-      <title>Menu</title>
-      <path d="M0 3h20v2H0V3zm0 6h20v2H0V9zm0 6h20v2H0v-2z" />
-    </svg>
-  </label>
+      <McWrapper labelPrefix="Opens the current diagram in">
+        <div class="hidden items-center justify-center gap-4 md:flex">
+          <Separator orientation="vertical" />
+          <Switch
+            id="editorMode"
+            class="data-[state=checked]:bg-secondary"
+            checked={isReferral}
+            onclick={() => {
+              logEvent('playgroundToggle', { isReferred: isReferral });
+              // Wait for the event to be logged
+              setTimeout(() => {
+                window.open(
+                  $urlsStore.mermaidChart({ medium: 'toggle' }).playground,
+                  '_self',
+                  // Do not send referrer header, if the user already came from playground
+                  isReferral ? 'noreferrer' : ''
+                );
+              }, 100);
+            }} />
 
-  <!-- Cross SVG -->
-  <label
-    for="menu-toggle"
-    class={isMenuOpen ? 'pointer-cursor fixed right-4 z-[1000] lg:hidden' : 'hidden'}>
-    <svg
-      xmlns="http://www.w3.org/2000/svg"
-      xmlns:xlink="http://www.w3.org/1999/xlink"
-      class="fill-current"
-      width="20"
-      height="20"
-      viewBox="0 0 20 20">
-      <title>Cross</title>
-      <line x1="5" y1="5" x2="15" y2="15" stroke="white" stroke-width="2" />
-      <line x1="5" y1="15" x2="15" y2="5" stroke="white" stroke-width="2" />
-    </svg>
-  </label>
-
-  <input
-    class="hidden"
-    type="checkbox"
-    id="menu-toggle"
-    bind:checked={isMenuOpen}
-    on:click={toggleMenu} />
-
-  <div class="hidden w-full lg:flex lg:w-auto lg:items-center" id="menu">
-    <Theme />
-    <ul class="items-center justify-between pt-4 text-base lg:flex lg:pt-0">
-      <li>
-        <Privacy />
-      </li>
-      {#each links as { title, href, icon, img }}
-        <li>
-          <a class="btn btn-ghost" target="_blank" {href}>
-            {#if icon}
-              <i class={icon} />
-            {:else if img}
-              <img src={img} alt={title} />
-            {/if}
-            {#if title}
-              {title}
-            {/if}
+          <a
+            href={$urlsStore.mermaidChart({ medium: 'toggle' }).playground}
+            class="whitespace-nowrap">
+            Playground <span class="hidden text-sm opacity-50 lg:inline"
+              >- more features, no account required</span>
           </a>
-        </li>
-      {/each}
-    </ul>
+        </div>
+      </McWrapper>
+    </div>
   </div>
-</div>
-
-<style>
-  #menu-toggle:checked + #menu {
-    position: absolute;
-    top: 2.5rem;
-    padding: 1rem 0;
-    background: #661ae6;
-    display: flex;
-  }
-
-  .navbar {
-    z-index: 10000;
-  }
-
-  img {
-    width: 1.5rem;
-    height: 1.5rem;
-  }
-</style>
+  <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

@@ -0,0 +1,34 @@
+<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

@@ -1,20 +1,30 @@
 <script lang="ts">
+  import Card from '$/components/Card/Card.svelte';
+  import { Button } from '$/components/ui/button';
   import { updateCode } from '$lib/util/state';
-  import Card from '$lib/components/Card/Card.svelte';
   import { logEvent } from '$lib/util/stats';
+  import ShapesIcon from '~icons/material-symbols/account-tree-outline-rounded';
 
   const samples = {
-    Flow: `flowchart TD
-    A[Christmas] -->|Get money| B(Go shopping)
-    B --> C{Let me think}
-    C -->|One| D[Laptop]
-    C -->|Two| E[iPhone]
-    C -->|Three| F[fa:fa-car Car]`,
-    Sequence: `sequenceDiagram
-    Alice->>+John: Hello John, how are you?
-    Alice->>+John: John, can you hear me?
-    John-->>-Alice: Hi Alice, I can hear you!
-    John-->>-Alice: I feel great!`,
+    Block: `block-beta
+    columns 3
+    doc>"Document"]:3
+    space down1<[" "]>(down) space
+
+  block:e:3
+          l["left"]
+          m("A wide one in the middle")
+          r["right"]
+  end
+    space down2<[" "]>(down) space
+    db[("DB")]:3
+    space:3
+    D space C
+    db --> D
+    C --> db
+    D --> C
+    style m fill:#d6d,stroke:#333,stroke-width:4px
+    `,
     Class: `classDiagram
     Animal <|-- Duck
     Animal <|-- Fish
@@ -36,26 +46,6 @@
       +bool is_wild
       +run()
     }`,
-    State: `stateDiagram-v2
-    [*] --> Still
-    Still --> [*]
-    Still --> Moving
-    Moving --> Still
-    Moving --> Crash
-    Crash --> [*]`,
-    Gantt: `gantt
-    title A Gantt Diagram
-    dateFormat  YYYY-MM-DD
-    section Section
-    A task           :a1, 2014-01-01, 30d
-    Another task     :after a1  , 20d
-    section Another
-    Task in sec      :2014-01-12  , 12d
-    another task      : 24d`,
-    Pie: `pie title Pets adopted by volunteers
-    "Dogs" : 386
-    "Cats" : 85
-    "Rats" : 15`,
     ER: `erDiagram
     CUSTOMER }|..|{ DELIVERY-ADDRESS : has
     CUSTOMER ||--o{ ORDER : places
@@ -65,15 +55,21 @@
     ORDER ||--|{ ORDER-ITEM : includes
     PRODUCT-CATEGORY ||--|{ PRODUCT : contains
     PRODUCT ||--o{ ORDER-ITEM : "ordered in"`,
-    'User Journey': `journey
-    title My working day
-    section Go to work
-      Make tea: 5: Me
-      Go upstairs: 3: Me
-      Do work: 1: Me, Cat
-    section Go home
-      Go downstairs: 5: Me
-      Sit down: 3: Me`,
+    Flow: `flowchart TD
+    A[Christmas] -->|Get money| B(Go shopping)
+    B --> C{Let me think}
+    C -->|One| D[Laptop]
+    C -->|Two| E[iPhone]
+    C -->|Three| F[fa:fa-car Car]`,
+    Gantt: `gantt
+    title A Gantt Diagram
+    dateFormat  YYYY-MM-DD
+    section Section
+    A task           :a1, 2014-01-01, 30d
+    Another task     :after a1  , 20d
+    section Another
+    Task in sec      :2014-01-12  , 12d
+    another task      : 24d`,
     Git: `gitGraph
     commit
     commit
@@ -93,7 +89,7 @@
       Popularisation
         British popular psychology author Tony Buzan
     Research
-      On effectivness<br/>and features
+      On effectiveness<br/>and features
       On Automatic creation
         Uses
             Creative techniques
@@ -102,6 +98,32 @@
     Tools
       Pen and paper
       Mermaid`,
+    Packet: `---
+title: "TCP Packet"
+---
+packet-beta
+  0-15: "Source Port"
+  16-31: "Destination Port"
+  32-63: "Sequence Number"
+  64-95: "Acknowledgment Number"
+  96-99: "Data Offset"
+  100-105: "Reserved"
+  106: "URG"
+  107: "ACK"
+  108: "PSH"
+  109: "RST"
+  110: "SYN"
+  111: "FIN"
+  112-127: "Window"
+  128-143: "Checksum"
+  144-159: "Urgent Pointer"
+  160-191: "(Options and Padding)"
+  192-255: "Data (variable length)"
+`,
+    Pie: `pie title Pets adopted by volunteers
+    "Dogs" : 386
+    "Cats" : 85
+    "Rats" : 15`,
     QuadrantChart: `quadrantChart
     title Reach and engagement of campaigns
     x-axis Low Reach --> High Reach
@@ -116,6 +138,27 @@
     Campaign D: [0.78, 0.34]
     Campaign E: [0.40, 0.34]
     Campaign F: [0.35, 0.78]`,
+    Sequence: `sequenceDiagram
+    Alice->>+John: Hello John, how are you?
+    Alice->>+John: John, can you hear me?
+    John-->>-Alice: Hi Alice, I can hear you!
+    John-->>-Alice: I feel great!`,
+    State: `stateDiagram-v2
+    [*] --> Still
+    Still --> [*]
+    Still --> Moving
+    Moving --> Still
+    Moving --> Crash
+    Crash --> [*]`,
+    'User Journey': `journey
+    title My working day
+    section Go to work
+      Make tea: 5: Me
+      Go upstairs: 3: Me
+      Do work: 1: Me, Cat
+    section Go home
+      Go downstairs: 5: Me
+      Sit down: 3: Me`,
     XYChart: `
     xychart-beta
     title "Sales Revenue"
@@ -123,25 +166,6 @@
     y-axis "Revenue (in $)" 4000 --> 11000
     bar [5000, 6000, 7500, 8200, 9500, 10500, 11000, 10200, 9200, 8500, 7000, 6000]
     line [5000, 6000, 7500, 8200, 9500, 10500, 11000, 10200, 9200, 8500, 7000, 6000]`,
-    Block: `block-beta
-    columns 3
-    doc>"Document"]:3
-    space down1<[" "]>(down) space
-
-  block:e:3
-          l["left"]
-          m("A wide one in the middle")
-          r["right"]
-  end
-    space down2<[" "]>(down) space
-    db[("DB")]:3
-    space:3
-    D space C
-    db --> D
-    C --> db
-    D --> C
-    style m fill:#d6d,stroke:#333,stroke-width:4px
-    `,
     ZenUML: `zenuml
     title Order Service
     @Actor Client #FFEBE6
@@ -171,14 +195,12 @@
   type SampleTypes = keyof typeof samples;
   const loadSampleDiagram = (diagramType: SampleTypes): void => {
     updateCode(samples[diagramType], {
-      updateDiagram: true,
-      resetPanZoom: true
+      resetPanZoom: true,
+      updateDiagram: true
     });
     logEvent('loadSampleDiagram', { diagramType });
   };
 
-  // Adding in this array will add an icon to the preset menu
-  const newDiagrams: SampleTypes[] = ['QuadrantChart', 'XYChart', 'Block', 'ZenUML'];
   const diagramOrder: SampleTypes[] = [
     'Flow',
     'Sequence',
@@ -190,24 +212,23 @@
     'Git',
     'Pie',
     'Mindmap',
+    'ZenUML',
     'QuadrantChart',
     'XYChart',
     'Block',
-    'ZenUML'
+    'Packet'
   ];
 </script>
 
-<Card title="Sample Diagrams" isOpen={false}>
-  <div class="flex flex-wrap gap-2 p-2">
+<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}
-      <button
-        class="btn btn-primary btn-sm w-fit min-w-20 flex-grow normal-case"
-        on:click={() => loadSampleDiagram(sample)}>
+      <Button
+        size="sm"
+        class="w-fit min-w-20 flex-grow normal-case"
+        onclick={() => loadSampleDiagram(sample)}>
         {sample}
-        {#if newDiagrams.includes(sample)}
-          <span class="fa fa-heart ml-2" />
-        {/if}
-      </button>
+      </Button>
     {/each}
   </div>
 </Card>

src/lib/components/Privacy.svelte

@@ -1,31 +1,46 @@
-<label for="privacyModal" class="btn btn-ghost flex gap-2">
-  <i class="fa-solid fa-shield-halved text-xl"></i> Security
-</label>
+<script>
+  import * as Dialog from '$/components/ui/dialog';
+  import ShieldIcon from '~icons/material-symbols/shield-lock-outline-rounded';
+</script>
 
-<input type="checkbox" id="privacyModal" class="modal-toggle" />
-<div class="modal" role="dialog">
-  <div class="modal-box flex flex-col gap-4 text-base-content">
-    <h1 class="text-3xl font-bold">Data security</h1>
+<Dialog.Root>
+  <Dialog.Trigger>
+    <ShieldIcon />
+  </Dialog.Trigger>
+  <Dialog.Content class="max-h-full overflow-y-auto">
+    <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>
+
+    <p class="text-xl font-semibold">
+      The content of the diagrams you create never leaves your browser.
+    </p>
+    <p>It's only stored in the URL, and your browser's local storage.</p>
     <p>
-      <span class="text-xl font-extrabold">
-        The content of the diagrams you create never leaves your browser.
-      </span>
-      It's stored in the URL, and the browser's local storage only.
+      Mermaid Live Editor is a fully open source, client side application, deployed transparently on <a
+        href="https://github.com/mermaid-js/mermaid-live-editor/deployments"
+        class="underline"
+        target="_blank">
+        GitHub Pages
+      </a>.
     </p>
     <p>
-      Mermaid live editor is a fully client side application, that will also work as an offline <a
-        href="https://web.dev/explore/progressive-web-apps"
-        class="link"
-        target="_blank">
-        PWA.
+      It will also work as a fully offline
+      <a href="https://web.dev/explore/progressive-web-apps" target="_blank">
+        Progressive Web App.
       </a>
     </p>
     <p>
       The only server we have is a self hosted version of the open source and privacy friendly
-      Plausible Analytics. We only collect data related to actions performed, like the type of
-      diagram rendered, number of times a feature was used, etc. <br /> All the data we collect is
-      anonymized and
-      <a href="https://p.mermaid.live/mermaid.live" class="link" target="_blank">
+      Plausible Analytics. We only collect anonymous data related to actions performed, like the
+      type of diagram rendered, number of times a feature was used, etc.
+    </p>
+    <p>
+      All the data we collect is anonymized and
+      <a href="https://p.mermaid.live/mermaid.live" class="underline" target="_blank">
         available publicly.
       </a>
     </p>
@@ -34,9 +49,5 @@
       Additional services like the external PNG/SVG/Kroki links and "Save to Mermaid Chart" feature
       will share your diagram with the respective 3rd party service.
     </p>
-
-    <label class="btn btn-circle btn-ghost btn-sm absolute right-2 top-2" for="privacyModal">
-      X
-    </label>
-  </div>
-</div>
+  </Dialog.Content>
+</Dialog.Root>

src/lib/components/Share.svelte

@@ -0,0 +1,48 @@
+<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 '$/util/state';
+  import ShareIcon from '~icons/material-symbols/share';
+  import CopyInput from './CopyInput.svelte';
+  import MermaidChartIcon from './MermaidChartIcon.svelte';
+</script>
+
+<Dialog.Root>
+  <Dialog.Trigger class={buttonVariants({ size: 'sm' })}>Share</Dialog.Trigger>
+  <Dialog.Content>
+    <Dialog.Header>
+      <Dialog.Title class="flex items-center gap-2 text-xl">
+        <ShareIcon class="size-5" /> Shareable links
+      </Dialog.Title>
+      <Dialog.Description>Share your diagrams with others.</Dialog.Description>
+    </Dialog.Header>
+
+    <div class="flex flex-col gap-4">
+      <div class="flex flex-col gap-2">
+        <h2 class="flex items-center gap-2">
+          <img class="size-5" src="/favicon.svg" alt="Mermaid Live Editor" />
+          Mermaid Live Editor
+        </h2>
+        <CopyInput value={window.location.href} />
+        <Dialog.Description>
+          The content of the diagrams you create never leaves your browser.
+        </Dialog.Description>
+      </div>
+      {#if env.isEnabledMermaidChartLinks}
+        <Separator />
+        <div class="flex flex-col gap-2">
+          <h2 class="flex items-center gap-2">
+            <MermaidChartIcon class="size-5" />
+            Mermaid Chart Playground
+          </h2>
+          <CopyInput value={$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

@@ -0,0 +1,21 @@
+<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/Theme.svelte

@@ -1,66 +0,0 @@
-<script lang="ts">
-  import { setTheme, themeStore } from '$lib/util/theme';
-
-  const themes = [
-    '🌝 light',
-    '🌚 dark',
-    '🧁 cupcake',
-    '🐝 bumblebee',
-    '✳️ emerald',
-    '🏢 corporate',
-    '🌃 synthwave',
-    '👴 retro',
-    '🤖 cyberpunk',
-    '🌸 valentine',
-    '🎃 halloween',
-    '🌷 garden',
-    '🌲 forest',
-    '🐟 aqua',
-    '👓 lofi',
-    '🖍 pastel',
-    '🧚‍♀️ fantasy',
-    '📝 wireframe',
-    '🏴 black',
-    '💎 luxury',
-    '🧛‍♂️ dracula'
-  ];
-</script>
-
-<div class="dropdown hidden lg:block">
-  <!-- svelte-ignore a11y-no-noninteractive-tabindex -->
-  <div tabindex="0" class="btn btn-ghost">
-    <svg
-      xmlns="http://www.w3.org/2000/svg"
-      fill="none"
-      viewBox="0 0 24 24"
-      class="inline-block h-6 w-6 stroke-current md:mr-2"
-      ><path
-        stroke-linecap="round"
-        stroke-linejoin="round"
-        stroke-width="2"
-        d="M7 21a4 4 0 01-4-4V5a2 2 0 012-2h4a2 2 0 012 2v12a4 4 0 01-4 4zm0 0h12a2 2 0 002-2v-4a2 2 0 00-2-2h-2.343M11 7.343l1.657-1.657a2 2 0 012.828 0l2.829 2.829a2 2 0 010 2.828l-8.486 8.485M7 17h.01" /></svg>
-    <span class="hidden md:inline">Theme</span>
-    <svg
-      xmlns="http://www.w3.org/2000/svg"
-      viewBox="0 0 1792 1792"
-      class="ml-1 inline-block h-4 w-4 fill-current"
-      ><path
-        d="M1395 736q0 13-10 23l-466 466q-10 10-23 10t-23-10l-466-466q-10-10-10-23t10-23l50-50q10-10 23-10t23 10l393 393 393-393q10-10 23-10t23 10l50 50q10 10 10 23z" /></svg>
-  </div>
-  <div
-    class="dropdown-content top-px mt-14 h-96 w-56 overflow-y-auto bg-base-200 text-base-content shadow-2xl">
-    <!-- svelte-ignore a11y-no-noninteractive-tabindex -->
-    <ul tabindex="0" class="menu compact p-4">
-      {#each themes as theme}
-        <li class:bordered={$themeStore.theme !== undefined && theme.includes($themeStore.theme)}>
-          <span
-            role="menuitem"
-            tabindex="0"
-            class="btn btn-ghost justify-start"
-            on:click={() => setTheme(theme)}
-            on:keypress={() => setTheme(theme)}>{theme}</span>
-        </li>
-      {/each}
-    </ul>
-  </div>
-</div>

src/lib/components/ThemeIcon.svelte

@@ -0,0 +1,39 @@
+<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

@@ -0,0 +1,28 @@
+<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 '$/constants';
+  import { version } from 'mermaid/package.json';
+  import { mode, setMode } from 'mode-watcher';
+  import ThemeIcon from './ThemeIcon.svelte';
+</script>
+
+<FloatingToolbar>
+  <span class="text-sm font-semibold opacity-60">v{version}</span>
+  <Button variant="ghost" size="icon" title="Privacy & Security">
+    <Privacy />
+  </Button>
+
+  <Separator orientation="vertical" />
+  <Button
+    variant="ghost"
+    size="icon"
+    data-testid={TID.themeToggleButton}
+    title="Switch to {$mode === 'dark' ? 'light' : 'dark'} theme"
+    class="[&_svg]:size-5"
+    onclick={() => setMode($mode === 'dark' ? 'light' : 'dark')}>
+    <ThemeIcon />
+  </Button>
+</FloatingToolbar>

src/lib/components/View.svelte

@@ -1,112 +1,89 @@
 <script lang="ts">
-  import type { State, ValidatedState } from '$lib/types';
-  import { recordRenderTime, shouldRefreshView } from '$lib/util/autoSync';
-  import { render as renderDiagram } from '$lib/util/mermaid';
-  import { inputStateStore, stateStore, updateCodeStore } from '$lib/util/state';
-  import { logEvent, saveStatistics } from '$lib/util/stats';
-  import { cmdKey } from '$lib/util/util';
+  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 '$/util/state';
+  import { logEvent, saveStatistics } from '$/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 panzoom from 'svg-pan-zoom';
   import { Svg2Roughjs } from 'svg2roughjs';
 
+  let {
+    panZoomState = new PanZoomState(),
+    shouldShowGrid = true
+  }: { panZoomState?: PanZoomState; shouldShowGrid?: boolean } = $props();
   let code = '';
   let config = '';
-  let container: HTMLDivElement;
+  let container: HTMLDivElement | undefined = $state();
   let rough: boolean;
-  let view: HTMLDivElement;
-  let error = false;
-  let errorLines: string[] = [];
-  let outOfSync = false;
-  let hide = false;
+  let view: HTMLDivElement | undefined = $state();
+  let error = $state(false);
+  let panZoom = true;
   let manualUpdate = true;
-  let panZoomEnabled = $stateStore.panZoom;
-  let pzoom: typeof panzoom | undefined;
+  let waitForFontAwesomeToLoad: FontAwesome['waitForFontAwesomeToLoad'] | undefined = $state();
 
-  const handlePanZoomChange = () => {
-    if (!pzoom) {
-      return;
-    }
-    const pan = pzoom.getPan();
-    const zoom = pzoom.getZoom();
-    updateCodeStore({ pan, zoom });
-    logEvent('panZoom');
+  // Set up panZoom state observer to update the store when pan/zoom changes
+  const setupPanZoomObserver = () => {
+    panZoomState.onPanZoomChange = (pan, zoom) => {
+      updateCodeStore({ pan, zoom });
+      logEvent('panZoom');
+    };
   };
 
-  const handlePanZoom = (state: State) => {
-    if (!state.panZoom) {
-      return;
-    }
-    hide = true;
-    pzoom?.destroy();
-    pzoom = undefined;
-    void Promise.resolve().then(() => {
-      const graphDiv = document.querySelector<HTMLElement>('#graph-div');
-      if (!graphDiv) {
-        return;
-      }
-      pzoom = panzoom(graphDiv, {
-        onPan: handlePanZoomChange,
-        onZoom: handlePanZoomChange,
-        controlIconsEnabled: true,
-        fit: true,
-        center: true
-      });
-      const { pan, zoom } = state;
-      if (pan !== undefined && zoom !== undefined && Number.isFinite(zoom)) {
-        pzoom.zoom(zoom);
-        pzoom.pan(pan);
-      }
-      hide = false;
-    });
+  const handlePanZoom = (state: State, graphDiv: SVGSVGElement) => {
+    panZoomState.updateElement(graphDiv, state);
   };
 
   const handleStateChange = async (state: ValidatedState) => {
     const startTime = Date.now();
     if (state.error !== undefined) {
       error = true;
-      errorLines = state.error.toString().split('\n');
       return;
     }
     error = false;
+    let diagramType: string | undefined;
     try {
-      if (container && state && (state.updateDiagram || state.autoSync)) {
-        if (!state.autoSync) {
-          $inputStateStore.updateDiagram = false;
-        }
-        outOfSync = false;
+      if (container) {
         manualUpdate = true;
         // Do not render if there is no change in Code/Config/PanZoom
         if (
           code === state.code &&
           config === state.mermaid &&
-          panZoomEnabled === state.panZoom &&
-          rough === state.rough
+          rough === state.rough &&
+          panZoom === state.panZoom
         ) {
           return;
         }
 
         if (!shouldRefreshView()) {
-          outOfSync = true;
           return;
         }
 
         code = state.code;
         config = state.mermaid;
-        panZoomEnabled = state.panZoom;
         rough = state.rough;
-        const scroll = view.parentElement?.scrollTop;
-        delete container.dataset.processed;
-        const { svg, bindFunctions } = await renderDiagram(
-          Object.assign({}, JSON.parse(state.mermaid)) as MermaidConfig,
-          code,
-          'graph-div'
-        );
+        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) {
-          handlePanZoom(state);
           container.innerHTML = svg;
-          const graphDiv = document.querySelector<SVGSVGElement>('#graph-div');
+          let graphDiv = document.querySelector<SVGSVGElement>(`#${viewID}`);
           if (!graphDiv) {
             throw new Error('graph-div not found');
           }
@@ -115,16 +92,18 @@
             svg2roughjs.svg = graphDiv;
             await svg2roughjs.sketch();
             graphDiv.remove();
-            const sketch = document.querySelector<HTMLElement>('#container > svg');
+            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%';
@@ -132,79 +111,55 @@
               bindFunctions(graphDiv);
             }
           }
+          if (state.panZoom) {
+            handlePanZoom(state, graphDiv);
+          }
         }
-        if (view.parentElement && scroll) {
+        if (view?.parentElement && scroll) {
           view.parentElement.scrollTop = scroll;
         }
         error = false;
       } else if (manualUpdate) {
         manualUpdate = false;
-      } else if (code !== state.code || config !== state.mermaid) {
-        outOfSync = true;
       }
     } catch (error_) {
       console.error('view fail', error_);
       error = true;
     }
     const renderTime = Date.now() - startTime;
-    saveStatistics({ code, renderTime, isRough: state.rough });
+    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) => {
-      void handleStateChange(state);
-    });
-    window.addEventListener('resize', () => {
-      if ($stateStore.panZoom && pzoom) {
-        pzoom.resize();
-      }
+      pendingStateChange = pendingStateChange.then(() => handleStateChange(state).catch(() => {}));
     });
   });
 </script>
 
-{#if (error && $stateStore.error instanceof Error) || outOfSync}
-  <div
-    class="absolute z-10 w-full p-2 font-mono {error
-      ? 'text-red-600'
-      : 'text-yellow-600'} bg-base-100 bg-opacity-80 text-left"
-    id="errorContainer">
-    {#if error}
-      {#each errorLines as line}
-        {line}<br />
-      {/each}
-    {:else}
-      Diagram out of sync. <br />
-      {#if $stateStore.autoSync}
-        It will be updated automatically.
-      {:else}
-        Press <i class="fas fa-sync" /> (Sync button) or <kbd>{cmdKey} + Enter</kbd> to sync.
-      {/if}
-    {/if}
-  </div>
-{/if}
+<FontAwesome bind:waitForFontAwesomeToLoad />
 
-<div id="view" bind:this={view} class="h-full p-2" class:error class:outOfSync>
-  <div id="container" bind:this={container} class="h-full overflow-auto" class:hide />
+<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>
-  #view {
-    flex: 1;
+  .grid-bg-light {
+    background-size: 30px 30px;
+    background-image: radial-gradient(circle, #e4e4e48c 2px, #0000 2px);
   }
 
-  #container {
-    transition: visibility 0.3s;
-  }
-
-  .error,
-  .outOfSync {
-    opacity: 0.5;
-  }
-
-  .hide {
-    visibility: hidden;
+  .grid-bg-dark {
+    background-size: 30px 30px;
+    background-image: radial-gradient(circle, #46464646 2px, #0000 2px);
   }
 </style>

src/lib/components/ui/button/button.svelte

@@ -0,0 +1,69 @@
+<script lang="ts" module>
+  import type { WithElementRef } from 'bits-ui';
+  import type { HTMLAnchorAttributes, HTMLButtonAttributes } from 'svelte/elements';
+  import { type VariantProps, tv } from 'tailwind-variants';
+
+  export const buttonVariants = tv({
+    base: 'focus-visible:ring-ring inline-flex items-center justify-center gap-2 whitespace-nowrap rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-6 [&_svg]:shrink-0',
+    variants: {
+      variant: {
+        default: 'bg-primary text-primary-foreground hover:bg-primary/80',
+        destructive: 'bg-destructive text-destructive-foreground hover:bg-destructive/90 shadow-sm',
+        outline:
+          'border-input bg-background hover:bg-accent hover:text-accent-foreground border shadow-sm',
+        secondary: 'bg-secondary text-secondary-foreground hover:bg-secondary/80 shadow-sm',
+        accent: 'bg-accent text-accent-foreground hover:bg-accent/80 shadow-sm',
+        ghost: 'hover:bg-primary hover:text-primary-foreground',
+        link: 'text-primary underline-offset-4 hover:underline'
+      },
+      size: {
+        default: 'h-9 px-4 py-2',
+        sm: 'h-8 rounded-md px-3 text-xs',
+        lg: 'h-10 rounded-md px-8',
+        icon: 'size-8'
+      }
+    },
+    defaultVariants: {
+      variant: 'default',
+      size: 'default'
+    }
+  });
+
+  export type ButtonVariant = VariantProps<typeof buttonVariants>['variant'];
+  export type ButtonSize = VariantProps<typeof buttonVariants>['size'];
+
+  export type ButtonProps = WithElementRef<HTMLButtonAttributes> &
+    WithElementRef<HTMLAnchorAttributes> & {
+      variant?: ButtonVariant;
+      size?: ButtonSize;
+    };
+</script>
+
+<script lang="ts">
+  import { cn } from '$lib/utils.js';
+
+  let {
+    class: className,
+    variant = 'default',
+    size = 'default',
+    ref = $bindable(null),
+    href,
+    type = 'button',
+    children,
+    ...restProps
+  }: ButtonProps = $props();
+</script>
+
+{#if href}
+  <a bind:this={ref} class={cn(buttonVariants({ variant, size }), className)} {href} {...restProps}>
+    {@render children?.()}
+  </a>
+{:else}
+  <button
+    bind:this={ref}
+    class={cn(buttonVariants({ variant, size }), className)}
+    {type}
+    {...restProps}>
+    {@render children?.()}
+  </button>
+{/if}

src/lib/components/ui/button/index.ts

@@ -0,0 +1,9 @@
+export {
+  default as Button,
+  buttonVariants,
+  default as Root,
+  type ButtonProps,
+  type ButtonSize,
+  type ButtonVariant,
+  type ButtonProps as Props
+} from './button.svelte';

src/lib/components/ui/dialog/dialog-content.svelte

@@ -0,0 +1,36 @@
+<script lang="ts">
+  import { cn } from '$lib/utils.js';
+  import { Dialog as DialogPrimitive, type WithoutChildrenOrChild } from 'bits-ui';
+  import X from 'lucide-svelte/icons/x';
+  import type { Snippet } from 'svelte';
+  import * as Dialog from './index.js';
+
+  let {
+    ref = $bindable(null),
+    class: className,
+    portalProps,
+    children,
+    ...restProps
+  }: WithoutChildrenOrChild<DialogPrimitive.ContentProps> & {
+    portalProps?: DialogPrimitive.PortalProps;
+    children: Snippet;
+  } = $props();
+</script>
+
+<Dialog.Portal {...portalProps}>
+  <Dialog.Overlay />
+  <DialogPrimitive.Content
+    bind:ref
+    class={cn(
+      'fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg',
+      className
+    )}
+    {...restProps}>
+    {@render children?.()}
+    <DialogPrimitive.Close
+      class="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus:ring-2 focus:ring-ring focus:ring-offset-2 disabled:pointer-events-none data-[state=open]:text-muted-foreground">
+      <X class="size-4" />
+      <span class="sr-only">Close</span>
+    </DialogPrimitive.Close>
+  </DialogPrimitive.Content>
+</Dialog.Portal>

src/lib/components/ui/dialog/dialog-description.svelte

@@ -0,0 +1,15 @@
+<script lang="ts">
+  import { Dialog as DialogPrimitive } from 'bits-ui';
+  import { cn } from '$lib/utils.js';
+
+  let {
+    ref = $bindable(null),
+    class: className,
+    ...restProps
+  }: DialogPrimitive.DescriptionProps = $props();
+</script>
+
+<DialogPrimitive.Description
+  bind:ref
+  class={cn('text-sm text-muted-foreground', className)}
+  {...restProps} />

src/lib/components/ui/dialog/dialog-footer.svelte

@@ -0,0 +1,19 @@
+<script lang="ts">
+  import type { WithElementRef } from 'bits-ui';
+  import type { HTMLAttributes } from 'svelte/elements';
+  import { cn } from '$lib/utils.js';
+
+  let {
+    ref = $bindable(null),
+    class: className,
+    children,
+    ...restProps
+  }: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+  bind:this={ref}
+  class={cn('flex flex-col-reverse sm:flex-row sm:justify-end sm:space-x-2', className)}
+  {...restProps}>
+  {@render children?.()}
+</div>

src/lib/components/ui/dialog/dialog-header.svelte

@@ -0,0 +1,19 @@
+<script lang="ts">
+  import type { HTMLAttributes } from 'svelte/elements';
+  import type { WithElementRef } from 'bits-ui';
+  import { cn } from '$lib/utils.js';
+
+  let {
+    ref = $bindable(null),
+    class: className,
+    children,
+    ...restProps
+  }: WithElementRef<HTMLAttributes<HTMLDivElement>> = $props();
+</script>
+
+<div
+  bind:this={ref}
+  class={cn('flex flex-col space-y-1.5 text-center sm:text-left', className)}
+  {...restProps}>
+  {@render children?.()}
+</div>

src/lib/components/ui/dialog/dialog-overlay.svelte

@@ -0,0 +1,18 @@
+<script lang="ts">
+  import { Dialog as DialogPrimitive } from 'bits-ui';
+  import { cn } from '$lib/utils.js';
+
+  let {
+    ref = $bindable(null),
+    class: className,
+    ...restProps
+  }: DialogPrimitive.OverlayProps = $props();
+</script>
+
+<DialogPrimitive.Overlay
+  bind:ref
+  class={cn(
+    'fixed inset-0 z-50 bg-black/80  data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0',
+    className
+  )}
+  {...restProps} />

src/lib/components/ui/dialog/dialog-title.svelte

@@ -0,0 +1,15 @@
+<script lang="ts">
+  import { Dialog as DialogPrimitive } from 'bits-ui';
+  import { cn } from '$lib/utils.js';
+
+  let {
+    ref = $bindable(null),
+    class: className,
+    ...restProps
+  }: DialogPrimitive.TitleProps = $props();
+</script>
+
+<DialogPrimitive.Title
+  bind:ref
+  class={cn('text-lg font-semibold leading-none tracking-tight', className)}
+  {...restProps} />

src/lib/components/ui/dialog/index.ts

@@ -0,0 +1,36 @@
+import { Dialog as DialogPrimitive } from 'bits-ui';
+import Content from './dialog-content.svelte';
+import Description from './dialog-description.svelte';
+import Footer from './dialog-footer.svelte';
+import Header from './dialog-header.svelte';
+import Overlay from './dialog-overlay.svelte';
+import Title from './dialog-title.svelte';
+
+const Root: typeof DialogPrimitive.Root = DialogPrimitive.Root;
+const Trigger: typeof DialogPrimitive.Trigger = DialogPrimitive.Trigger;
+const Close: typeof DialogPrimitive.Close = DialogPrimitive.Close;
+const Portal: typeof DialogPrimitive.Portal = DialogPrimitive.Portal;
+
+export {
+  Close,
+  Content,
+  Description,
+  //
+  Root as Dialog,
+  Close as DialogClose,
+  Content as DialogContent,
+  Description as DialogDescription,
+  Footer as DialogFooter,
+  Header as DialogHeader,
+  Overlay as DialogOverlay,
+  Portal as DialogPortal,
+  Title as DialogTitle,
+  Trigger as DialogTrigger,
+  Footer,
+  Header,
+  Overlay,
+  Portal,
+  Root,
+  Title,
+  Trigger
+};

src/lib/components/ui/input/index.ts

@@ -0,0 +1,7 @@
+import Root from './input.svelte';
+
+export {
+  Root,
+  //
+  Root as Input
+};

src/lib/components/ui/input/input.svelte

@@ -0,0 +1,43 @@
+<script lang="ts">
+  import type { InputType } from '$/types';
+  import { cn } from '$lib/utils.js';
+  import type { WithElementRef } from 'bits-ui';
+  import type { HTMLInputAttributes } from 'svelte/elements';
+
+  type Props = WithElementRef<
+    Omit<HTMLInputAttributes, 'type'> &
+      ({ type: 'file'; files?: FileList } | { type?: InputType; files?: undefined })
+  >;
+
+  let {
+    ref = $bindable(null),
+    value = $bindable(),
+    type,
+    files = $bindable(),
+    class: className,
+    ...restProps
+  }: Props = $props();
+</script>
+
+{#if type === 'file'}
+  <input
+    bind:this={ref}
+    class={cn(
+      'flex h-9 w-full rounded-md border border-input bg-transparent px-3 py-1 text-base shadow-sm transition-colors file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:cursor-not-allowed disabled:opacity-50 md:text-sm',
+      className
+    )}
+    type="file"
+    bind:files
+    bind:value
+    {...restProps} />
+{:else}
+  <input
+    bind:this={ref}
+    class={cn(
+      'flex h-9 w-full rounded-md border border-input bg-transparent px-3 py-1 text-base shadow-sm transition-colors file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring disabled:cursor-not-allowed disabled:opacity-50 md:text-sm',
+      className
+    )}
+    {type}
+    bind:value
+    {...restProps} />
+{/if}

src/lib/components/ui/popover/index.ts

@@ -0,0 +1,17 @@
+import { Popover as PopoverPrimitive } from 'bits-ui';
+import Content from './popover-content.svelte';
+const Root = PopoverPrimitive.Root;
+const Trigger = PopoverPrimitive.Trigger;
+const Close = PopoverPrimitive.Close;
+
+export {
+  Root,
+  Content,
+  Trigger,
+  Close,
+  //
+  Root as Popover,
+  Content as PopoverContent,
+  Trigger as PopoverTrigger,
+  Close as PopoverClose
+};

src/lib/components/ui/popover/popover-content.svelte

@@ -0,0 +1,27 @@
+<script lang="ts">
+  import { cn } from '$lib/utils.js';
+  import { Popover as PopoverPrimitive } from 'bits-ui';
+
+  let {
+    ref = $bindable(null),
+    class: className,
+    align = 'center',
+    sideOffset = 4,
+    portalProps,
+    ...restProps
+  }: PopoverPrimitive.ContentProps & {
+    portalProps?: PopoverPrimitive.PortalProps;
+  } = $props();
+</script>
+
+<PopoverPrimitive.Portal {...portalProps}>
+  <PopoverPrimitive.Content
+    bind:ref
+    {align}
+    {sideOffset}
+    class={cn(
+      'z-50 w-72 rounded-md border bg-popover p-4 text-popover-foreground shadow-md outline-none data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2',
+      className
+    )}
+    {...restProps} />
+</PopoverPrimitive.Portal>

src/lib/components/ui/resizable/index.ts

@@ -0,0 +1,13 @@
+import { Pane } from 'paneforge';
+import Handle from './resizable-handle.svelte';
+import PaneGroup from './resizable-pane-group.svelte';
+
+export {
+  PaneGroup,
+  Pane,
+  Handle,
+  //
+  PaneGroup as ResizablePaneGroup,
+  Pane as ResizablePane,
+  Handle as ResizableHandle
+};

src/lib/components/ui/resizable/resizable-handle.svelte

@@ -0,0 +1,29 @@
+<script lang="ts">
+  import GripVertical from 'lucide-svelte/icons/grip-vertical';
+  import * as ResizablePrimitive from 'paneforge';
+  import type { WithoutChildrenOrChild } from 'bits-ui';
+  import { cn } from '$lib/utils.js';
+
+  let {
+    ref = $bindable(null),
+    class: className,
+    withHandle = false,
+    ...restProps
+  }: WithoutChildrenOrChild<ResizablePrimitive.PaneResizerProps> & {
+    withHandle?: boolean;
+  } = $props();
+</script>
+
+<ResizablePrimitive.PaneResizer
+  bind:ref
+  class={cn(
+    'relative flex w-px items-center justify-center bg-border after:absolute after:inset-y-0 after:left-1/2 after:w-1 after:-translate-x-1/2 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring focus-visible:ring-offset-1 data-[direction=vertical]:h-px data-[direction=vertical]:w-full data-[direction=vertical]:after:left-0 data-[direction=vertical]:after:h-1 data-[direction=vertical]:after:w-full data-[direction=vertical]:after:-translate-y-1/2 data-[direction=vertical]:after:translate-x-0 [&[data-direction=vertical]>div]:rotate-90',
+    className
+  )}
+  {...restProps}>
+  {#if withHandle}
+    <div class="z-10 flex h-4 w-3 items-center justify-center rounded-sm border bg-border">
+      <GripVertical class="size-2.5" />
+    </div>
+  {/if}
+</ResizablePrimitive.PaneResizer>

src/lib/components/ui/resizable/resizable-pane-group.svelte

@@ -0,0 +1,21 @@
+<script lang="ts">
+  import * as ResizablePrimitive from 'paneforge';
+  import { cn } from '$lib/utils.js';
+
+  let {
+    ref = $bindable(null),
+    class: className,
+    direction,
+    this: paneGroup = $bindable(),
+    ...restProps
+  }: ResizablePrimitive.PaneGroupProps & {
+    this?: ResizablePrimitive.PaneGroup;
+  } = $props();
+</script>
+
+<ResizablePrimitive.PaneGroup
+  bind:ref
+  bind:this={paneGroup}
+  {direction}
+  class={cn('flex h-full w-full data-[direction=vertical]:flex-col', className)}
+  {...restProps} />

src/lib/components/ui/separator/index.ts

@@ -0,0 +1,7 @@
+import Root from './separator.svelte';
+
+export {
+  Root,
+  //
+  Root as Separator
+};

src/lib/components/ui/separator/separator.svelte

@@ -0,0 +1,21 @@
+<script lang="ts">
+  import { cn } from '$lib/utils.js';
+  import { Separator as SeparatorPrimitive } from 'bits-ui';
+
+  let {
+    ref = $bindable(null),
+    class: className,
+    orientation = 'horizontal',
+    ...restProps
+  }: SeparatorPrimitive.RootProps = $props();
+</script>
+
+<SeparatorPrimitive.Root
+  bind:ref
+  class={cn(
+    'shrink-0 rounded border',
+    orientation === 'horizontal' ? 'h-[1px] w-full' : 'min-h-6 w-[0px]',
+    className
+  )}
+  {orientation}
+  {...restProps} />

src/lib/components/ui/sonner/index.ts

@@ -0,0 +1 @@
+export { default as Toaster } from './sonner.svelte';

src/lib/components/ui/sonner/sonner.svelte

@@ -0,0 +1,20 @@
+<script lang="ts">
+  import { Toaster as Sonner, type ToasterProps as SonnerProps } from 'svelte-sonner';
+  import { mode } from 'mode-watcher';
+
+  let restProps: SonnerProps = $props();
+</script>
+
+<Sonner
+  theme={$mode}
+  class="toaster group"
+  toastOptions={{
+    classes: {
+      toast:
+        'group toast group-[.toaster]:bg-background group-[.toaster]:text-foreground group-[.toaster]:border-border group-[.toaster]:shadow-lg',
+      description: 'group-[.toast]:text-muted-foreground',
+      actionButton: 'group-[.toast]:bg-primary group-[.toast]:text-primary-foreground',
+      cancelButton: 'group-[.toast]:bg-muted group-[.toast]:text-muted-foreground'
+    }
+  }}
+  {...restProps} />

src/lib/components/ui/switch/index.ts

@@ -0,0 +1,7 @@
+import Root from './switch.svelte';
+
+export {
+  Root,
+  //
+  Root as Switch
+};

src/lib/components/ui/switch/switch.svelte

@@ -0,0 +1,25 @@
+<script lang="ts">
+  import { cn } from '$lib/utils.js';
+  import { Switch as SwitchPrimitive, type WithoutChildrenOrChild } from 'bits-ui';
+
+  let {
+    ref = $bindable(null),
+    checked = $bindable(false),
+    class: className,
+    ...restProps
+  }: WithoutChildrenOrChild<SwitchPrimitive.RootProps> = $props();
+</script>
+
+<SwitchPrimitive.Root
+  bind:ref
+  bind:checked
+  class={cn(
+    'peer inline-flex h-5 w-9 shrink-0 cursor-pointer items-center rounded-full border-2 border-transparent shadow-sm transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 focus-visible:ring-offset-background disabled:cursor-not-allowed disabled:opacity-50 data-[state=checked]:bg-accent data-[state=unchecked]:bg-slate-700',
+    className
+  )}
+  {...restProps}>
+  <SwitchPrimitive.Thumb
+    class={cn(
+      'pointer-events-none block size-4 rounded-full bg-background shadow-lg ring-0 transition-transform data-[state=checked]:translate-x-4 data-[state=unchecked]:translate-x-0'
+    )} />
+</SwitchPrimitive.Root>

src/lib/components/ui/toggle-group/index.ts

@@ -0,0 +1,10 @@
+import Root from './toggle-group.svelte';
+import Item from './toggle-group-item.svelte';
+
+export {
+  Root,
+  Item,
+  //
+  Root as ToggleGroup,
+  Item as ToggleGroupItem
+};

src/lib/components/ui/toggle-group/toggle-group-item.svelte

@@ -0,0 +1,29 @@
+<script lang="ts">
+  import { ToggleGroup as ToggleGroupPrimitive } from 'bits-ui';
+  import { getToggleGroupCtx } from './toggle-group.svelte';
+  import { cn } from '$lib/utils.js';
+  import { type ToggleVariants, toggleVariants } from '$lib/components/ui/toggle/index.js';
+
+  let {
+    ref = $bindable(null),
+    value = $bindable(),
+    class: className,
+    size,
+    variant,
+    ...restProps
+  }: ToggleGroupPrimitive.ItemProps & ToggleVariants = $props();
+
+  const ctx = getToggleGroupCtx();
+</script>
+
+<ToggleGroupPrimitive.Item
+  bind:ref
+  class={cn(
+    toggleVariants({
+      variant: ctx.variant || variant,
+      size: ctx.size || size
+    }),
+    className
+  )}
+  {value}
+  {...restProps} />

src/lib/components/ui/toggle-group/toggle-group.svelte

@@ -0,0 +1,40 @@
+<script lang="ts" module>
+  import { getContext, setContext } from 'svelte';
+  import type { ToggleVariants } from '$lib/components/ui/toggle/index.js';
+  export function setToggleGroupCtx(props: ToggleVariants) {
+    setContext('toggleGroup', props);
+  }
+
+  export function getToggleGroupCtx() {
+    return getContext<ToggleVariants>('toggleGroup');
+  }
+</script>
+
+<script lang="ts">
+  import { ToggleGroup as ToggleGroupPrimitive } from 'bits-ui';
+  import { cn } from '$lib/utils.js';
+
+  let {
+    ref = $bindable(null),
+    value = $bindable(),
+    class: className,
+    size = 'default',
+    variant = 'default',
+    ...restProps
+  }: ToggleGroupPrimitive.RootProps & ToggleVariants = $props();
+
+  setToggleGroupCtx({
+    variant,
+    size
+  });
+</script>
+
+<!--
+Discriminated Unions + Destructing (required for bindable) do not
+get along, so we shut typescript up by casting `value` to `never`.
+-->
+<ToggleGroupPrimitive.Root
+  bind:value={value as never}
+  bind:ref
+  class={cn('flex items-center justify-center gap-1', className)}
+  {...restProps} />

src/lib/components/ui/toggle/index.ts

@@ -0,0 +1,13 @@
+import Root from './toggle.svelte';
+export {
+  toggleVariants,
+  type ToggleSize,
+  type ToggleVariant,
+  type ToggleVariants
+} from './toggle.svelte';
+
+export {
+  Root,
+  //
+  Root as Toggle
+};

src/lib/components/ui/toggle/toggle.svelte

@@ -0,0 +1,50 @@
+<script lang="ts" module>
+  import { type VariantProps, tv } from 'tailwind-variants';
+
+  export const toggleVariants = tv({
+    base: 'hover:bg-muted hover:text-muted-foreground focus-visible:ring-ring data-[state=on]:bg-primary data-[state=on]:text-primary-foreground inline-flex items-center justify-center gap-1 rounded-md text-sm font-medium transition-colors focus-visible:outline-none focus-visible:ring-1 disabled:pointer-events-none disabled:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-6 [&_svg]:shrink-0',
+    variants: {
+      variant: {
+        default: 'bg-transparent',
+        outline:
+          'border-input hover:bg-primary/80 hover:text-primary-foreground border bg-transparent'
+      },
+      size: {
+        default: 'h-9 min-w-9 px-3',
+        sm: 'h-8 min-w-8 px-2',
+        lg: 'h-10 min-w-10 px-3'
+      }
+    },
+    defaultVariants: {
+      variant: 'default',
+      size: 'default'
+    }
+  });
+
+  export type ToggleVariant = VariantProps<typeof toggleVariants>['variant'];
+  export type ToggleSize = VariantProps<typeof toggleVariants>['size'];
+  export type ToggleVariants = VariantProps<typeof toggleVariants>;
+</script>
+
+<script lang="ts">
+  import { cn } from '$lib/utils.js';
+  import { Toggle as TogglePrimitive } from 'bits-ui';
+
+  let {
+    ref = $bindable(null),
+    pressed = $bindable(false),
+    class: className,
+    size = 'default',
+    variant = 'default',
+    ...restProps
+  }: TogglePrimitive.RootProps & {
+    variant?: ToggleVariant;
+    size?: ToggleSize;
+  } = $props();
+</script>
+
+<TogglePrimitive.Root
+  bind:ref
+  bind:pressed
+  class={cn(toggleVariants({ variant, size }), className)}
+  {...restProps} />

src/lib/components/ui/tooltip/index.ts

@@ -0,0 +1,18 @@
+import { Tooltip as TooltipPrimitive } from 'bits-ui';
+import Content from './tooltip-content.svelte';
+
+const Root = TooltipPrimitive.Root;
+const Trigger = TooltipPrimitive.Trigger;
+const Provider = TooltipPrimitive.Provider;
+
+export {
+  Content,
+  Provider,
+  Root,
+  //
+  Root as Tooltip,
+  Content as TooltipContent,
+  Provider as TooltipProvider,
+  Trigger as TooltipTrigger,
+  Trigger
+};

src/lib/components/ui/tooltip/tooltip-content.svelte

@@ -0,0 +1,20 @@
+<script lang="ts">
+  import { Tooltip as TooltipPrimitive } from 'bits-ui';
+  import { cn } from '$lib/utils.js';
+
+  let {
+    ref = $bindable(null),
+    class: className,
+    sideOffset = 4,
+    ...restProps
+  }: TooltipPrimitive.ContentProps = $props();
+</script>
+
+<TooltipPrimitive.Content
+  bind:ref
+  {sideOffset}
+  class={cn(
+    'z-50 overflow-hidden rounded-md bg-primary px-3 py-1.5 text-xs text-primary-foreground animate-in fade-in-0 zoom-in-95 data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=closed]:zoom-out-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2',
+    className
+  )}
+  {...restProps} />

src/lib/constants.ts

@@ -0,0 +1,12 @@
+export const TID = {
+  copyMarkdown: 'copy-markdown',
+  diagramDocumentationButton: 'diagram-documentation-button',
+  downloadPNG: 'download-PNG',
+  downloadSVG: 'download-SVG',
+  errorContainer: 'error-container',
+  themeToggleButton: 'theme-toggle-button'
+} as const;
+
+export const C = {
+  utmSource: 'mermaid_live_editor'
+} as const;

src/lib/types.d.ts

@@ -1,3 +1,7 @@
+import type { Component } from 'svelte';
+import type { HTMLInputTypeAttribute } from 'svelte/elements';
+import 'unplugin-icons/types/svelte';
+
 export interface MarkerData {
   severity: number;
   message: string;
@@ -15,17 +19,19 @@ export interface TabEvents {
 export interface Tab {
   id: string;
   title: string;
-  icon: string;
+  icon: Component;
 }
 
 export interface State {
   code: string;
   mermaid: string;
   updateDiagram: boolean;
-  autoSync: boolean;
   rough: boolean;
-  editorMode?: EditorMode;
+  // All new options must be optional, as users would have old states saved
+  renderCount?: number;
   panZoom?: boolean;
+  grid?: boolean;
+  editorMode?: EditorMode;
   pan?: { x: number; y: number };
   zoom?: number;
   loader?: LoaderConfig;
@@ -33,6 +39,7 @@ export interface State {
 
 export interface ValidatedState extends State {
   editorMode: EditorMode;
+  diagramType?: string;
   error?: Error;
   errorMarkers: MarkerData[];
   serialized: string;
@@ -50,10 +57,15 @@ export interface FileLoaderConfig {
   codeURL: string;
   configURL?: string;
 }
-export interface LoaderConfig {
-  type: 'gist' | 'files';
-  config: GistLoaderConfig | FileLoaderConfig;
-}
+export type LoaderConfig =
+  | {
+      type: 'gist';
+      config: GistLoaderConfig;
+    }
+  | {
+      type: 'files';
+      config: FileLoaderConfig;
+    };
 export type HistoryType = 'auto' | 'manual' | 'loader';
 export type HistoryEntry = { id: string; state: State; time: number; url?: string } & (
   | {
@@ -87,3 +99,9 @@ export interface ErrorHash {
     last_column: number;
   };
 }
+
+export type InputType = Exclude<HTMLInputTypeAttribute, 'file'>;
+
+export interface EditorProps {
+  onUpdate: (text: string) => void;
+}

src/lib/util/autoSync.ts

@@ -1,6 +1,4 @@
 import debounce from 'lodash-es/debounce';
-import { get } from 'svelte/store';
-import { stateStore } from './state';
 
 let shouldSync = true;
 let updater: () => void;
@@ -16,10 +14,6 @@ const debouncedRender = debounce(() => {
 
 export const recordRenderTime = (renderTimeMs: number, updaterFunction: () => void): void => {
   resolveRenderPromise?.();
-  const { autoSync } = get(stateStore);
-  if (!autoSync) {
-    return;
-  }
   updater = updaterFunction;
   const isSlow = renderTimeMs > slowRenderThreshold;
   if (!shouldSync) {