feat: sample diagram and docs for gitgraph

.eslintignore

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

.eslintrc.cjs

@@ -7,11 +7,10 @@ module.exports = {
 		// 'plugin:@typescript-eslint/recommended-requiring-type-checking',
 		'prettier'
 	],
-	plugins: ['svelte3', 'tailwindcss', '@typescript-eslint', 'es', 'vitest'],
+	plugins: ['svelte3', 'tailwindcss', '@typescript-eslint', 'es'],
 	ignorePatterns: [
 		'docs/*',
 		'*.cjs',
-		'*.js',
 		'*.md',
 		'snapshots.js',
 		'svelte.config.js',
@@ -25,7 +24,7 @@ module.exports = {
 	},
 	parserOptions: {
 		sourceType: 'module',
-		ecmaVersion: 2020,
+		ecmaVersion: 2019,
 		tsconfigRootDir: __dirname,
 		project: ['./tsconfig.json'],
 		extraFileExtensions: ['.svelte'],
@@ -33,7 +32,8 @@ module.exports = {
 	},
 	env: {
 		browser: true,
-		es2020: true
+		es2017: true,
+		node: true
 	},
 	rules: {
 		'@typescript-eslint/ban-ts-comment': [

.github/workflows/codeql-analysis.yml

@@ -39,7 +39,7 @@ jobs:
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v2
+        uses: github/codeql-action/init@v1
         with:
           config-file: ./.github/codeql/config.yml
           languages: ${{ matrix.language }}
@@ -65,4 +65,4 @@ jobs:
       #   make release
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v2
+        uses: github/codeql-action/analyze@v1

.github/workflows/cypress.yml

@@ -1,4 +1,4 @@
-name: Tests
+name: Cypress Tests
 
 on:
   pull_request:
@@ -9,11 +9,8 @@ on:
 jobs:
   cypress-run:
     runs-on: ubuntu-latest
-    strategy:
+    # Update after https://github.com/cypress-io/cypress-docker-images/issues/487
-      fail-fast: false
+    container: cypress/browsers:node14.16.0-chrome90-ff88
-      matrix:
-        # run 3 copies of the current job in parallel
-        containers: [1, 2, 3]
 
     steps:
       - name: Checkout
@@ -30,21 +27,20 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-node_modules-build-
 
-      - uses: actions/setup-node@v3
+      - name: Build & Lint
-        with:
+        run: |
-          node-version: 16
+          yarn install
-          cache: 'yarn'
+          yarn build
+          yarn lint
 
       # Install NPM dependencies, cache them correctly
       # and run all Cypress tests
       - name: Cypress run
-        uses: cypress-io/github-action@v3
+        uses: cypress-io/github-action@v2
         with:
-          build: yarn build
           start: yarn preview
           wait-on: 'http://localhost:3000'
           record: true
           headless: true
-          parallel: true
         env:
           CYPRESS_RECORD_KEY: ${{ secrets.CYPRESS_RECORD_KEY }}

.github/workflows/deploy.yml

@@ -21,6 +21,7 @@ jobs:
 
       - name: Build & Deploy
         run: |
+          npm i -g yarn
           export DEPLOY=true
           [ "$GITHUB_EVENT_NAME" != "pull_request" ] && rm -rf docs/_app/
           yarn install

.github/workflows/stale.yml

@@ -8,13 +8,13 @@ jobs:
   stale:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/stale@v5
+      - uses: actions/stale@v4
         with:
           repo-token: ${{ secrets.GITHUB_TOKEN }}
           exempt-issue-labels: 'retained'
           exempt-pr-labels: 'retained'
-          stale-issue-message: 'This issue is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 30 days'
+          stale-issue-message: 'This issue is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 14 days'
-          stale-pr-message: 'This pr is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 30 days'
+          stale-pr-message: 'This pr is stale because it has been open 90 days with no activity. Remove stale label or comment or this will be closed in 14 days'
           days-before-stale: 90
-          days-before-close: 30
+          days-before-close: 14
           days-before-pr-close: -1

.github/workflows/unit-tests.yml

@@ -1,36 +0,0 @@
-name: Unit Tests
-
-on:
-  pull_request:
-    branches:
-      - master
-      - develop
-
-jobs:
-  unit-tests:
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - uses: actions/cache@v3
-        id: yarn-and-build-cache
-        with:
-          path: |
-            build
-            node_modules
-          key: ${{ runner.os }}-node_modules-build-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-node_modules-build-
-
-      - uses: actions/setup-node@v3
-        with:
-          node-version: 16
-          cache: 'yarn'
-
-      - name: Lint & Test
-        run: |
-          yarn install
-          yarn lint
-          yarn test:unit

.github/workflows/update-browserlist.yml

@@ -1,9 +1,6 @@
 name: Update Browserslist
 on:
   workflow_dispatch:
-  push:
-    branches:
-      - develop
 
 jobs:
   build:

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

@@ -10,13 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-node@v2
+      - run: ./bin/update-monaco
-        with:
-          node-version: 18
-      - name: Update monaco version
-        run: |
-          yarn install
-          node ./bin/update-monaco.js
       - name: Commit changes
         uses: EndBug/add-and-commit@v9
         with:

.gitignore

@@ -9,6 +9,5 @@ yarn-error.log
 /build
 /functions
 /snapshots.js
-/cypress/downloads
 /cypress/videos
 /cypress/screenshots

.prettierignore

@@ -3,6 +3,4 @@ docs/**
 static/**
 build/**
 node_modules/**
-coverage/**
-__snapshots__/**
 snapshots.js

.vscode/launch.json

@@ -1,15 +0,0 @@
-{
-	// Use IntelliSense to learn about possible attributes.
-	// Hover to view descriptions of existing attributes.
-	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-	"version": "0.2.0",
-	"configurations": [
-		{
-			"type": "pwa-chrome",
-			"request": "launch",
-			"name": "Launch Chrome against localhost",
-			"url": "http://localhost:3000",
-			"webRoot": "${workspaceFolder}"
-		}
-	]
-}

Dockerfile

@@ -6,7 +6,7 @@
 # Stop               : press ctrl + c 
 #                                     or 
 #                                        docker stop mermaid-live-editor
-FROM node:18.8.0 as mermaid-live-editor-builder 
+FROM node:17.8.0 as mermaid-live-editor-builder 
 COPY --chown=node:node . /home
 WORKDIR /home
 RUN yarn install

Dockerfile.dev

@@ -1,4 +1,4 @@
-FROM node:18
+FROM node:17
 WORKDIR /app
 COPY package.json .
 COPY yarn.lock .

SECURITY.md

@@ -1,13 +0,0 @@
-# Security Policy
-
-## Supported Versions
-
-Live editor only has a single version, which will be maintained.
-
-| Version | Supported          |
-| ------- | ------------------ |
-| latest  | :white_check_mark: |
-
-## Reporting a Vulnerability
-
-To report a vulnerability, please e-mail security@mermaid.live with a description of the issue, the steps you took to create the issue, affected versions, and if known, mitigations for the issue.

bin/update-monaco

@@ -0,0 +1,12 @@
+#!/bin/bash
+
+monacoVersion="$(jq -r '.dependencies."monaco-editor"' package.json)"
+monacoVersion="${monacoVersion:1}"
+
+if [[ $(uname) == "Darwin" ]]; 
+then
+    sed -i '' -E "s/monaco-editor\/[^/]*/monaco-editor\/$monacoVersion/g" ./src/app.html
+else
+    sed -i'' -E "s/monaco-editor\/[^/]*/monaco-editor\/$monacoVersion/g" ./src/app.html
+fi
+

bin/update-monaco.js

@@ -1,45 +0,0 @@
-import fs from 'fs';
-import path from 'path';
-import { parse } from 'node-html-parser';
-import prettier from 'prettier';
-
-// parse monaco version out of package.json
-const packageJson = JSON.parse(fs.readFileSync('package.json'));
-const monacoVersion = packageJson.dependencies['monaco-editor'].replace('^', '');
-
-// fetch monaco sri info from cdnjs api
-const cdnjsAPIResp = await fetch(
-	`https://api.cdnjs.com/libraries/monaco-editor/${monacoVersion}?fields=sri`
-);
-if (cdnjsAPIResp.ok) {
-	const respJson = await cdnjsAPIResp.json();
-	const htmlPath = path.join('src', 'app.html');
-	const appHtml = fs
-		.readFileSync(htmlPath, 'utf8')
-		// update monaco version of every asset in app.html
-		.replaceAll(/[0-9.]+\/min\/vs/g, `${monacoVersion}/min/vs`);
-	const root = parse(appHtml);
-	const updateIntegrity = (tag, attr) => {
-		for (const node of root
-			.getElementsByTagName(tag)
-			.filter((node) => node.getAttribute(attr)?.includes('monaco-editor'))) {
-			const file = node.getAttribute(attr).split(`${monacoVersion}/`)[1];
-			node.setAttribute('integrity', respJson.sri[file]);
-		}
-	};
-
-	updateIntegrity('script', 'src');
-	updateIntegrity('link', 'href');
-
-	fs.writeFileSync(
-		htmlPath,
-		prettier.format(root.toString(), {
-			singleQuote: false,
-			parser: 'html',
-			bracketSameLine: true,
-			useTabs: true
-		})
-	);
-} else {
-	throw Error('Unable to fetch monaco sri data from cdnjs api.');
-}

cypress.config.js

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

cypress.json

@@ -0,0 +1,11 @@
+{
+	"projectId": "2ckppp",
+	"$schema": "https://on.cypress.io/cypress.schema.json",
+	"baseUrl": "http://localhost:3000",
+	"pluginsFile": "./cypress/plugins/index.cjs",
+	"viewportWidth": 1440,
+	"viewportHeight": 768,
+	"snapshotFileName": "./cypress/snapshots.js",
+	"defaultCommandTimeout": 16000,
+	"requestTimeout": 16000
+}

cypress/.eslintrc

@@ -1,10 +1,12 @@
 {
-	"plugins": ["cypress"],
+	"plugins": ["cypress", "mocha"],
-	"extends": ["plugin:cypress/recommended"],
+	"extends": ["plugin:cypress/recommended", "plugin:mocha/recommended"],
 	"rules": {
-		"jest/expect-expect": "off"
+		"jest/expect-expect": "off",
+		"mocha/no-mocha-arrows": "off"
 	},
 	"env": {
-		"cypress/globals": true
+		"cypress/globals": true,
+		"mocha": true
 	}
 }

cypress/e2e/actions.spec.ts

@@ -1,49 +0,0 @@
-import { disableDebounce, verifyFileSize } from './util';
-describe('Check actions', () => {
-	beforeEach(() => {
-		cy.clearLocalStorage();
-		cy.visit('/edit');
-		disableDebounce();
-	});
-
-	it('should update markdown code', () => {
-		cy.get('#markdown')
-			.invoke('val')
-			.then((oldText) => {
-				cy.get('#editor').click('bottom').type('{enter}C --> HistoryTest');
-				cy.get('#markdown')
-					.invoke('val')
-					.then((newText) => {
-						expect(oldText).to.not.eq(newText);
-					});
-			});
-	});
-
-	it('should load gists from URL', () => {
-		cy.get('#gist').type('https://gist.github.com/sidharthv96/6268a23e673a533dcb198f241fd7012a');
-		cy.contains('Load Gist').click();
-		cy.contains('Go shopping!!');
-	});
-
-	it('should download png and svg', () => {
-		cy.clock(new Date(2022, 0, 1).getTime());
-
-		cy.get(`#downloadPNG`).click();
-		verifyFileSize('diagram', 'png', 21_000);
-
-		cy.get(`#downloadSVG`).click();
-		verifyFileSize('diagram', 'svg', 10_000);
-
-		// Verify downloaded file is different for different diagrams
-		cy.contains('Sample Diagrams').click();
-		cy.contains('ER Diagram').click();
-
-		cy.get(`#downloadPNG`).click();
-		verifyFileSize('diagram', 'png', 46_000);
-
-		cy.get(`#downloadSVG`).click();
-		verifyFileSize('diagram', 'svg', 12_000);
-
-		cy.clock().invoke('restore');
-	});
-});

cypress/e2e/diagramUpdate.spec.ts

@@ -1,84 +0,0 @@
-import { getEditor, cmd, disableDebounce } from './util';
-
-describe('Auto sync tests', () => {
-	beforeEach(() => {
-		cy.clearLocalStorage();
-		cy.visit('/');
-		disableDebounce();
-	});
-
-	it('should dim diagram when code is edited', () => {
-		cy.contains('Auto sync').click();
-		cy.get('#view').should('not.have.class', 'outOfSync');
-		getEditor().type('  C --> Test');
-		cy.get('#view').should('have.class', 'outOfSync');
-		cy.getLocalStorage('codeStore').snapshot();
-	});
-
-	it('should update diagram when shortcut is used', () => {
-		cy.contains('Auto sync').click();
-		cy.get('#view').should('not.have.class', 'outOfSync');
-		getEditor().type('  C --> Test');
-		cy.get('#view').should('have.class', 'outOfSync');
-		getEditor().type(`${cmd}{enter}`);
-		cy.get('#view').should('not.have.class', 'outOfSync');
-	});
-
-	it('should show/hide sync button with auto sync', () => {
-		cy.get('[data-cy=sync]').should('not.exist');
-		cy.contains('Auto sync').click();
-		cy.get('[data-cy=sync]').should('exist');
-		cy.get('#autoSync').check();
-		cy.get('[data-cy=sync]').should('not.exist');
-	});
-
-	it('should not dim diagram when code is in sync', () => {
-		cy.contains('Auto sync').click();
-		cy.get('#view').should('not.have.class', 'outOfSync');
-		getEditor().type('  C --> Test');
-		cy.get('#view').should('have.class', 'outOfSync');
-		cy.get('[data-cy=sync]').click();
-		cy.get('#view').should('not.have.class', 'outOfSync');
-		cy.get('#autoSync').check();
-		getEditor().type('ing');
-		cy.get('#view').should('not.have.class', 'outOfSync');
-		cy.getLocalStorage('codeStore').snapshot();
-	});
-
-	it('supports commenting code out/in', () => {
-		getEditor().type(`{uparrow}${cmd}/`);
-		cy.get('#view').contains('Car').should('not.exist');
-
-		getEditor().type(`{uparrow}${cmd}/`);
-		cy.get('#view').contains('Car').should('exist');
-	});
-
-	it('supports editing code when code is incorrect', () => {
-		cy.visit(
-			'/edit#pako:eNpljjEKwzAMRa8SNOcEnlt6gK5eVFvYJsgOqkwpIXevg9smEE1PnyfxF3DFExgISW-CczQ2D21cYU7a-SGYXRwyvTp9jUhuKlVP-eHy7zA-leQsMEmg_QOM0BLG5FujZVMsaCQmC6ahR5ks2Lw2r84ela4-aREwKpVGwKrl_s7ut3fnkjAIcg_XDzuaUhs'
-		);
-		cy.get('#errorContainer').should('not.exist');
-		getEditor({ newline: true }).type(`branch test`);
-		cy.get('#editor').contains('branch test').should('exist');
-		cy.get('#errorContainer')
-			.contains(
-				'Error: Trying to checkout branch which is not yet created. (Help try using "branch master")'
-			)
-			.should('exist');
-	});
-});
-
-describe.only('Pan and Zoom', () => {
-	beforeEach(() => {
-		cy.clearLocalStorage();
-		cy.visit('/');
-		disableDebounce();
-	});
-	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/history.spec.ts

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

cypress/e2e/util.ts

@@ -1,43 +0,0 @@
-export const cmd = `{${Cypress.platform === 'darwin' ? 'meta' : 'ctrl'}}`;
-
-export const getEditor = ({ bottom = true, newline = false } = {}) =>
-	cy
-		.get('#editor textarea:first')
-		.click()
-		.focused()
-		.type(`${bottom ? '{pageDown}' : cmd}`)
-		.type(`${newline ? '{enter}' : cmd}`);
-
-export const disableDebounce = () => cy.setLocalStorage('noDebounce', 'true');
-
-const downloadsFolder = Cypress.config('downloadsFolder');
-
-export const verifyFileSize = (
-	fileType: 'history' | 'diagram',
-	extension: string,
-	size: number
-) => {
-	const fileName = `mermaid-${fileType}-2022-01-01-000000.${extension}`;
-	const filePath = `${downloadsFolder}/${fileName}`;
-	cy.verifyDownload(fileName);
-	cy.readFile(filePath, null, {
-		log: false
-	}).then((buffer) => expect((buffer as ArrayBuffer).byteLength).to.be.gt(size));
-	cy.task('deleteFile', filePath);
-};
-
-export const verifyFileSnapshot = (
-	fileType: 'history' | 'diagram',
-	extension: string,
-	content: string
-) => {
-	const fileName = `mermaid-${fileType}-2022-01-01-000000.${extension}`;
-	const filePath = `${downloadsFolder}/${fileName}`;
-	cy.verifyDownload(fileName);
-	cy.readFile(filePath, null, {
-		log: false
-	}).then((buffer) =>
-		expect(new TextDecoder('utf-8').decode(buffer as ArrayBuffer)).to.contain(content)
-	);
-	cy.task('deleteFile', filePath);
-};

cypress/integration/actions.spec.ts

@@ -0,0 +1,24 @@
+describe('Check actions', () => {
+	beforeEach(() => {
+		cy.clearLocalStorage();
+		cy.visit('/edit');
+	});
+	it('should update markdown code', () => {
+		cy.get('#markdown')
+			.invoke('val')
+			.then((oldText) => {
+				cy.get('#editor').click('bottom').type('{enter}C --> HistoryTest');
+				cy.get('#markdown')
+					.invoke('val')
+					.then((newText) => {
+						expect(oldText).to.not.eq(newText);
+					});
+			});
+	});
+
+	it('should load gists from URL', () => {
+		cy.get('#gist').type('https://gist.github.com/sidharthv96/6268a23e673a533dcb198f241fd7012a');
+		cy.contains('Load Gist').click();
+		cy.contains('Go shopping!!');
+	});
+});

cypress/integration/diagramUpdate.spec.ts

@@ -0,0 +1,43 @@
+describe('Auto sync tests', () => {
+	beforeEach(() => {
+		cy.clearLocalStorage();
+		cy.visit('/');
+	});
+	it('should dim diagram when code is edited', () => {
+		cy.contains('Auto sync').click();
+		cy.get('#view').should('not.have.class', 'outOfSync');
+		cy.get('#editor').type('  C --> Test');
+		cy.get('#view').should('have.class', 'outOfSync');
+		cy.getLocalStorage('codeStore').snapshot();
+	});
+
+	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');
+		cy.get('#editor').type('  C --> Test');
+		cy.get('#view').should('have.class', 'outOfSync');
+		cy.get('[data-cy=sync]').click();
+		cy.get('#view').should('not.have.class', 'outOfSync');
+		cy.get('#autoSync').check();
+		cy.get('#editor').type('ing');
+		cy.get('#view').should('not.have.class', 'outOfSync');
+		cy.getLocalStorage('codeStore').snapshot();
+	});
+
+	it('supports commenting code out/in', () => {
+		const cmd = Cypress.platform === 'darwin' ? 'meta' : 'ctrl';
+
+		cy.get('#editor').type(`{uparrow}{${cmd}}/`);
+		cy.get('#view').contains('Car').should('not.exist');
+
+		cy.get('#editor').type(`{uparrow}{${cmd}}/`);
+		cy.get('#view').contains('Car').should('exist');
+	});
+});

cypress/integration/history.spec.ts

@@ -0,0 +1,65 @@
+describe('Save History', () => {
+	beforeEach(() => {
+		cy.clock();
+		cy.clearLocalStorage();
+		cy.visit('/edit');
+		cy.contains('Actions').click();
+		cy.contains('History').click();
+	});
+
+	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);
+		cy.get('#editor').type('  C --> HistoryTest');
+		cy.get('#saveHistory').click();
+		cy.get('#historyList').find('li').should('have.length', 2);
+	});
+
+	it('should be able to restore and delete', () => {
+		cy.get('#saveHistory').click();
+		cy.get('#editor').type('  C --> HistoryTest');
+		cy.get('#historyList').find('No items in History').should('not.exist');
+		cy.get('#historyList').find('li').should('have.length', 1);
+		cy.contains('HistoryTest');
+		cy.contains('Restore').click();
+		cy.contains('HistoryTest').should('not.exist');
+		cy.contains('Delete').click();
+		cy.get('#historyList').find('li').should('have.length', 0);
+		cy.get('#historyList').contains('No items in History');
+		cy.get('#saveHistory').click();
+		cy.get('#editor').type('  C --> HistoryTest');
+		cy.get('#saveHistory').click();
+		cy.get('#editor').type('ing');
+		cy.get('#clearHistory').click();
+		cy.on('window:alert', (str) => {
+			expect(str).to.equal('Clear all saved items?');
+		});
+		cy.on('window:confirm', () => true);
+		cy.get('#historyList').contains('No items in History');
+	});
+
+	// TODO: Fix #639
+	// eslint-disable-next-line mocha/no-skipped-tests
+	xit('should auto save history', () => {
+		cy.get('#editor').type('  C --> HistoryTest');
+		cy.tick(70000);
+		cy.contains('Timeline').click();
+		cy.get('#historyList').find('li').should('have.length', 1);
+		cy.get('#editor').type('ing');
+		cy.tick(70000);
+		cy.get('#historyList').find('li').should('have.length', 2);
+		for (let i = 0; i < 31; i++) {
+			cy.get('#editor').type('.');
+			cy.tick(70000);
+		}
+		cy.get('#historyList').find('li').should('have.length', 30);
+	});
+});

cypress/integration/loadSite.spec.ts

@@ -1,13 +1,11 @@
 import { toBase64 } from 'js-base64';
-import { disableDebounce } from './util';
 
 describe('Site Loads', () => {
 	beforeEach(() => {
 		cy.clearLocalStorage();
-		cy.visit('/');
-		disableDebounce();
 	});
 	it('Check Home page load', () => {
+		cy.visit('/');
 		cy.url().should('include', '/edit');
 		cy.contains('History').click();
 		cy.getLocalStorage('codeStore').snapshot();
@@ -17,7 +15,12 @@ describe('Site Loads', () => {
 		cy.visit(
 			'/#/edit/eyJjb2RlIjoiZ3JhcGggVERcbiAgICBBW0NocmlzdG1hc10gLS0-fEdldCBtb25leXwgQihHbyBzaG9wcGluZylcbiAgICBCIC0tPiBDe0xldCBtZSB0aGlua31cbiAgICBDIC0tPnxPbmV8IERbTGFwdG9wXVxuICAgIEMgLS0-fFR3b3wgRVtpUGhvbmVdXG4gICAgQyAtLT58VGhyZWV8IEZbZmE6ZmEtY2FyIENhcl0iLCJtZXJtYWlkIjp7InRoZW1lIjoiZGVmYXVsdCJ9LCJ1cGRhdGVFZGl0b3IiOmZhbHNlfQ'
 		);
-		cy.url().should('include', '/edit#pako:eNp');
+		cy.url().should(
+			'include',
+			'/edit#pako:eNpVkM1qw0AMhF9F6NRC_AI-FBo7zSXQQHLz-iC8cnZJ9oe1TAm2373rmkKrk9B8MwyasAuascRbomjgWisPed6byiQ7iKOhhaJ4m48s4ILn5wz7l2OAwYQYrb-9bvx-haCaTivGIMb6-7JJ1Y__0_MMdXOiKCG2f5XrV5jh0NizyfH_FZM4uz6ansqeio4SVJRa3KHj5MjqXHtaDQrFsGOFZV419zQ-RKHyS0bHqEn4oK2EhDnmMfAOaZRwefoOS0kj_0K1pfwFtx2XbzAdW4g'
+		);
+		cy.contains('History').click();
+		cy.getLocalStorage('codeStore').snapshot();
 	});
 
 	it('should load sample diagrams when clicked', () => {
@@ -75,7 +78,7 @@ describe('Site Loads', () => {
 
 	it('should allow persisting "securityLevel" using confirm dialogue', () => {
 		const b64State = toBase64(
-			`{"code":"graph TD\\nA[\\"<img src='https://dummyimage.com/64' width=64/>\\"]","mermaid":"{\\"securityLevel\\": \\"loose\\", \\"theme\\": \\"forest\\"}","updateEditor":true,"autoSync":true,"updateDiagram":true}`,
+			`{"code":"graph TD\\nA[\\"<img src='https://via.placeholder.com/64' width=64/>\\"]","mermaid":"{\\"securityLevel\\": \\"loose\\", \\"theme\\": \\"forest\\"}","updateEditor":true,"autoSync":true,"updateDiagram":true}`,
 			true
 		);
 		cy.on('window:confirm', () => false);
@@ -88,7 +91,6 @@ describe('Site Loads', () => {
 
 	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.');
 	});
 
@@ -115,6 +117,7 @@ describe('Site Loads', () => {
 		cy.visit(
 			'/edit#pako:eNptkU1PwzAMhv9K5BOI9Q9EXBDbJA477YYqITcxndV8QD40weh_Jy1rGR0-OY_tV2_sEyivCSQogzGuGduAtnaixINji0bcf1WVWGfVXdMtx8M1faYm4B8sxR27JLClJd6nwK4VLTlN4bI4jMQd2pLe3C4KFhNNcLQ92jv9ADGLNoTdozc-zIV4ZDsNlud7RtVN7_5Sb_jYrFcN3iN_0pPbEqUZK3QbTP_Ojyv4NdR4bwTHlyMbPcOQ3WJ2CliBpWCRdbnLqFJDOpClGmRJNYauhtr1pS-_6bKMjebkA8hXNJFWgDn5_YdTIFPINDWdb3vu6r8BaWOZRQ'
 		);
+		cy.reload();
 		cy.contains('Animal');
 	});
 });

cypress/integration/themes.spec.ts

@@ -32,6 +32,7 @@ describe('Test themes', () => {
 	});
 
 	describe('Test dark mode', () => {
+		// eslint-disable-next-line mocha/no-hooks-for-single-case
 		beforeEach(() => {
 			cy.clearLocalStorage();
 			cy.visit('/edit', {

cypress/plugins/index.cjs

@@ -0,0 +1,31 @@
+/// <reference types="cypress" />
+// ***********************************************************
+// This example plugins/index.js can be used to load plugins
+//
+// You can change the location of this file or turn off loading
+// the plugins file with the 'pluginsFile' configuration option.
+//
+// You can read more here:
+// https://on.cypress.io/plugins-guide
+// ***********************************************************
+
+// This function is called when a project is opened or re-opened (e.g. due to
+// the project's config changing)
+
+/**
+ * @type {Cypress.PluginConfig}
+ */
+// eslint-disable-next-line no-unused-vars
+import * as fs from 'fs';
+
+module.exports = (on, config) => {
+	on('task', {
+		readFileMaybe(filename) {
+			if (fs.existsSync(filename)) {
+				return fs.readFileSync(filename, 'utf8');
+			}
+
+			return null;
+		}
+	});
+};

cypress/snapshots.js

@@ -16,7 +16,7 @@ module.exports = {
       "1": "{\"code\":\"graph TD\\n    A[Party] -->|Get money| B(Go shopping!!)\\n    \",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"forest\\\",\\n  \\\"test\\\": \\\"hello world\\\"\\n}\",\"updateEditor\":false,\"autoSync\":true,\"updateDiagram\":true,\"loader\":{\"type\":\"files\",\"config\":{\"codeURL\":\"https://gist.githubusercontent.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/raw/4eb03887e6a41397e80bdcdbf94017c498f8f1e2/code.mmd\",\"configURL\":\"https://gist.githubusercontent.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/raw/4eb03887e6a41397e80bdcdbf94017c498f8f1e2/config.json\"}}}"
     }
   },
-  "__version": "10.6.0",
+  "__version": "9.5.1",
   "Auto sync tests": {
     "should dim diagram when code is edited": {
       "1": "{\"code\":\"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)\\n    B --> C{Let me think}\\n    C -->|One| D[Laptop]\\n    C -->|Two| E[iPhone]\\n    C -->|Three| F[fa:fa-car Car]\\n    C --> Test\",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"default\\\"\\n}\",\"updateEditor\":false,\"autoSync\":false,\"updateDiagram\":false}"

cypress/support/index.js

@@ -15,7 +15,6 @@
 
 // Import commands.js using ES2015 syntax:
 import './commands';
-require('cy-verify-downloads').addCustomCommand();
 
 // Alternatively you can use CommonJS syntax:
 // require('./commands')

cypress/tsconfig.json

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

package.json

@@ -1,83 +1,66 @@
 {
 	"name": "mermaid-live-editor",
 	"version": "2.0.67",
-	"type": "module",
-	"license": "MIT",
 	"scripts": {
-		"dev": "vite dev",
+		"dev": "svelte-kit dev --host 0.0.0.0",
-		"build": "vite build",
+		"build": "svelte-kit build",
-		"preview": "vite preview",
+		"preview": "svelte-kit preview",
-		"lint": "prettier --check --cache --plugin-search-dir=. .;eslint --ignore-path .gitignore .",
+		"lint": "prettier --check --plugin-search-dir=. .;eslint --ignore-path .gitignore .",
-		"lint:fix": "prettier --write --cache --plugin-search-dir=. .;eslint --fix --ignore-path .gitignore .",
+		"lint:fix": "prettier --write --plugin-search-dir=. .;eslint --fix --ignore-path .gitignore .",
-		"format": "prettier --write --cache --plugin-search-dir=. .",
+		"format": "prettier --write --plugin-search-dir=. .",
 		"pre-commit": "lint-staged",
-		"postinstall": "husky install; svelte-kit sync",
+		"postinstall": "husky install",
-		"test:unit": "vitest",
+		"test": "cypress run",
-		"test:ui": "vitest --ui",
-		"test:coverage": "vitest run --coverage",
-		"test:browser": "cypress run",
-		"test": "test:unit && test:browser",
 		"cy": "cypress open"
 	},
 	"devDependencies": {
-		"@cypress/snapshot": "2.1.7",
+		"@cypress/snapshot": "^2.1.7",
-		"@sveltejs/adapter-static": "1.0.0-next.39",
+		"@sveltejs/adapter-static": "1.0.0-next.29",
-		"@sveltejs/kit": "1.0.0-next.442",
+		"@sveltejs/kit": "1.0.0-next.310",
-		"@testing-library/jest-dom": "5.16.5",
+		"@types/mermaid": "^8.2.9",
-		"@testing-library/svelte": "3.2.1",
+		"@types/pako": "^1.0.3",
-		"@types/mermaid": "8.2.9",
+		"@typescript-eslint/eslint-plugin": "^4.33.0",
-		"@types/pako": "1.0.3",
+		"@typescript-eslint/parser": "^4.33.0",
-		"@types/uuid": "^8.3.4",
+		"autoprefixer": "^10.4.4",
-		"@typescript-eslint/eslint-plugin": "5.35.1",
+		"chai": "^4.3.6",
-		"@typescript-eslint/parser": "5.34.0",
+		"cssnano": "^5.1.7",
-		"@vitest/ui": "0.22.1",
+		"cypress": "9.5.3",
-		"autoprefixer": "10.4.8",
+		"cypress-localstorage-commands": "^1.7.0",
-		"c8": "7.12.0",
+		"eslint": "^7.32.0",
-		"chai": "4.3.6",
+		"eslint-config-prettier": "^8.5.0",
-		"cssnano": "5.1.13",
+		"eslint-plugin-cypress": "^2.12.1",
-		"cy-verify-downloads": "0.1.8",
+		"eslint-plugin-es": "^4.1.0",
-		"cypress": "10.6.0",
+		"eslint-plugin-mocha": "^10.0.3",
-		"cypress-localstorage-commands": "2.2.0",
+		"eslint-plugin-postcss-modules": "^2.0.0",
-		"eslint": "8.22.0",
+		"eslint-plugin-svelte3": "^3.4.1",
-		"eslint-config-prettier": "8.5.0",
+		"eslint-plugin-tailwindcss": "^3.5.0",
-		"eslint-plugin-cypress": "2.12.1",
+		"husky": "^7.0.4",
-		"eslint-plugin-es": "4.1.0",
+		"lint-staged": "^12.3.7",
-		"eslint-plugin-postcss-modules": "2.0.0",
+		"mocha": "^9.2.2",
-		"eslint-plugin-svelte3": "4.0.0",
+		"node-html-parser": "^5.3.3",
-		"eslint-plugin-tailwindcss": "3.6.0",
+		"postcss": "^8.4.12",
-		"eslint-plugin-vitest": "0.0.8",
+		"postcss-load-config": "^3.1.4",
-		"husky": "8.0.1",
+		"prettier": "~2.6.2",
-		"jsdom": "20.0.0",
+		"prettier-plugin-svelte": "^2.7.0",
-		"lint-staged": "13.0.3",
+		"svelte": "^3.47.0",
-		"node-html-parser": "5.4.1",
+		"svelte-preprocess": "^4.10.5",
-		"postcss": "8.4.16",
+		"tailwindcss": "^3.0.21",
-		"postcss-load-config": "4.0.1",
+		"tslib": "^2.3.1",
-		"prettier": "2.7.1",
+		"typescript": "^4.6.3"
-		"prettier-plugin-svelte": "2.7.0",
-		"svelte": "3.49.0",
-		"svelte-preprocess": "4.10.7",
-		"tailwindcss": "3.1.8",
-		"tslib": "2.4.0",
-		"typescript": "4.8.2",
-		"vite": "3.0.9",
-		"vitest": "0.22.1",
-		"vitest-svelte-kit": "0.0.7"
 	},
+	"type": "module",
 	"dependencies": {
-		"@analytics/google-analytics": "1.0.3",
+		"@analytics/google-analytics": "^0.5.3",
-		"@macfja/svelte-persistent-store": "2.0.0",
+		"@macfja/svelte-persistent-store": "^1.3.0",
-		"analytics": "0.8.1",
+		"analytics": "^0.8.1",
-		"analytics-plugin-plausible": "^0.0.6",
+		"daisyui": "2.13.6",
-		"daisyui": "2.24.0",
+		"js-base64": "^3.7.2",
-		"js-base64": "3.7.2",
+		"mermaid": "9.0.0",
-		"mermaid": "9.1.6",
+		"moment": "^2.29.2",
-		"moment": "2.29.4",
+		"monaco-editor": "^0.33.0",
-		"monaco-editor": "0.34.0",
+		"monaco-mermaid": "^1.0.3",
-		"monaco-mermaid": "1.0.6",
 		"pako": "2.0.4",
-		"random-word-slugs": "0.1.6",
+		"random-word-slugs": "^0.1.6"
-		"svg-pan-zoom": "^3.6.1",
-		"uuid": "^8.3.2"
 	},
 	"lint-staged": {
 		"*.{ts,svelte,js,css,md,json}": [
@@ -86,10 +69,8 @@
 		]
 	},
 	"volta": {
-		"node": "18.5.0",
+		"node": "14.16.1",
-		"yarn": "1.22.10"
+		"yarn": "1.22.10",
-	},
+		"npm": "7.11.2"
-	"engines": {
-		"node": ">=16.7"
 	}
 }

src/app.html

@@ -11,45 +11,37 @@
 		<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.png" />
+		<link rel="icon" type="image/png" href="%svelte.assets%/favicon.png" />
-		<link rel="manifest" href="%sveltekit.assets%/manifest.json" />
+		<link rel="manifest" href="%svelte.assets%/manifest.json" />
 		<link
 			rel="stylesheet"
-			href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.2/css/all.min.css"
+			href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.2/css/all.min.css" />
-			integrity="sha512-HK5fgLBL+xu6dm/Ii3z4xhlSUyZgTT9tuc/hSrtw6uzJOvgRr2a9jyxxT1ely+B+xFAmJKVSTbpM/CuL7qxO8w=="
-			crossorigin="anonymous"
-			referrerpolicy="no-referrer" />
 		<link
 			rel="stylesheet"
-			href="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.0/min/vs/editor/editor.main.min.css"
+			href="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.33.0/min/vs/editor/editor.main.min.css"
-			integrity="sha512-iQEIc0rsSDujsfjtD+lfyJ1W23Bh/lbgriubKDAym6VlEIDRj9rrbSIyJRyshOrl8s0yRcQ0+gyrZfSLyjJGWQ=="
 			crossorigin="anonymous"
 			referrerpolicy="no-referrer" />
 		<script>
 			var require = {
-				paths: {
+				paths: { vs: 'https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.33.0/min/vs' }
-					vs: "https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.0/min/vs",
-				},
 			};
 		</script>
 		<script
-			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.0/min/vs/loader.min.js"
+			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.33.0/min/vs/loader.min.js"
-			integrity="sha512-6bIYsGqvLpAiEBXPdRQeFf5cueeBECtAKJjIHer3BhBZNTV3WLcLA8Tm3pDfxUwTMIS+kAZwTUvJ1IrMdX8C5w=="
 			crossorigin="anonymous"
 			referrerpolicy="no-referrer"></script>
 		<script
-			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.0/min/vs/editor/editor.main.nls.min.js"
+			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.33.0/min/vs/editor/editor.main.nls.min.js"
-			integrity="sha512-CCv+DKWw+yZhxf4Z+ExT6HC5G+3S45TeMTYcJyYbdrv4BpK2vyALJ4FoVR/KGWDIPu7w4tNCOC9MJQIkYPR5FA=="
 			crossorigin="anonymous"
 			referrerpolicy="no-referrer"></script>
 		<script
-			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.0/min/vs/editor/editor.main.js"
+			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.33.0/min/vs/editor/editor.main.js"
-			integrity="sha512-TTPQbVI87mnVMV+1KbkKJ8vdQ4QqqbKyuTtJ9wQD8CqnwQLSQgXH7MWOQ88VO7pRzxWhqI1vYDeEV651sAH4ig=="
 			crossorigin="anonymous"
 			referrerpolicy="no-referrer"></script>
-		%sveltekit.head%
+
+		%svelte.head%
 	</head>
 	<body>
-		<div id="svelte">%sveltekit.body%</div>
+		<div id="svelte">%svelte.body%</div>
 	</body>
 </html>

src/global.d.ts

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

src/hooks.ts

@@ -1,4 +1,4 @@
-import type { Handle } from '@sveltejs/kit';
+import type { Handle } from '@sveltejs/kit/types/hooks';
 
 export const handle: Handle = async ({ event, resolve }) => {
 	const response = await resolve(event, {

src/lib/components/actions.svelte

@@ -1,23 +1,20 @@
 <script lang="ts">
 	import { browser } from '$app/env';
+
 	import Card from '$lib/components/card/card.svelte';
 	import { krokiRendererUrl, rendererUrl } from '$lib/util/env';
 	import { pakoSerde } from '$lib/util/serde';
-	import { stateStore } from '$lib/util/state';
+	import { serializedState, codeStore } from '$lib/util/state';
-	import { logEvent } from '$lib/util/stats';
 	import { toBase64 } from 'js-base64';
 	import moment from 'moment';
 
 	type Exporter = (context: CanvasRenderingContext2D, image: HTMLImageElement) => () => void;
 
-	const getFileName = (ext: string) =>
-		`mermaid-diagram-${moment().format('YYYY-MM-DD-HHmmss')}.${ext}`;
-
 	const getBase64SVG = (svg?: HTMLElement, width?: number, height?: number): string => {
 		svg?.setAttribute('height', `${height}px`);
 		svg?.setAttribute('width', `${width}px`); // Workaround https://stackoverflow.com/questions/28690643/firefox-error-rendering-an-svg-image-to-html5-canvas-with-drawimage
 		if (!svg) {
-			svg = getSvgEl();
+			svg = document.querySelector('#container svg');
 		}
 		const svgString = svg.outerHTML
 			.replaceAll('<br>', '<br/>')
@@ -53,23 +50,6 @@
 		event.preventDefault();
 	};
 
-	const getSvgEl = () => {
-		const svgEl: HTMLElement = document
-			.querySelector('#container svg')
-			.cloneNode(true) as HTMLElement;
-		svgEl.setAttribute('xmlns:xlink', 'http://www.w3.org/1999/xlink');
-		const fontAwesomeCdnUrl = Array.from(document.head.getElementsByTagName('link'))
-			.map((l) => l.href)
-			.find((h) => h && h.includes('font-awesome'));
-		if (fontAwesomeCdnUrl == null) {
-			return svgEl;
-		}
-		const styleEl = document.createElement('style');
-		styleEl.innerText = `@import url("${fontAwesomeCdnUrl}");'`;
-		svgEl.prepend(styleEl);
-		return svgEl;
-	};
-
 	const simulateDownload = (download: string, href: string): void => {
 		const a = document.createElement('a');
 		a.download = download;
@@ -82,7 +62,7 @@
 			const { canvas } = context;
 			context.drawImage(image, 0, 0, canvas.width, canvas.height);
 			simulateDownload(
-				getFileName('png'),
+				`mermaid-diagram-${moment().format('YYYYMMDDHHmmss')}.png`,
 				canvas.toDataURL('image/png').replace('image/png', 'image/octet-stream')
 			);
 		};
@@ -115,34 +95,29 @@
 
 	const onCopyClipboard = (event: Event) => {
 		exportImage(event, clipboardCopy);
-		void logEvent('copyClipboard');
 	};
 
 	const onDownloadPNG = (event: Event) => {
 		exportImage(event, downloadImage);
-		void logEvent('download', {
-			type: 'png'
-		});
 	};
 
 	const onDownloadSVG = () => {
-		simulateDownload(getFileName('svg'), `data:image/svg+xml;base64,${getBase64SVG()}`);
+		simulateDownload(
-		void logEvent('download', {
+			`mermaid-diagram-${moment().format('YYYYMMDDHHmmss')}.svg`,
-			type: 'svg'
+			`data:image/svg+xml;base64,${getBase64SVG()}`
-		});
+		);
 	};
 
 	const onCopyMarkdown = () => {
 		(document.getElementById('markdown') as HTMLInputElement).select();
 		document.execCommand('Copy');
-		void logEvent('copyMarkdown');
 	};
 
 	let gistURL = '';
-	stateStore.subscribe(({ loader }) => {
+	codeStore.subscribe((state) => {
-		if (loader?.type === 'gist') {
+		if (state.loader?.type === 'gist') {
 			// @ts-ignore Gist will have url
-			gistURL = loader.config.url;
+			gistURL = state.loader.config.url;
 		}
 	});
 
@@ -151,7 +126,6 @@
 			alert('Please enter a Gist URL first');
 		}
 		window.location.href = `${window.location.pathname}?gist=${gistURL}`;
-		void logEvent('loadGist');
 	};
 
 	let iUrl: string;
@@ -165,11 +139,11 @@
 	if (browser && ['mermaid.live', 'netlify'].some((path) => window.location.host.includes(path))) {
 		isNetlify = true;
 	}
-	stateStore.subscribe(({ code, serialized }) => {
+	serializedState.subscribe((encodedState: string) => {
-		iUrl = `${rendererUrl}/img/${serialized}`;
+		iUrl = `${rendererUrl}/img/${encodedState}`;
-		svgUrl = `${rendererUrl}/svg/${serialized}`;
+		svgUrl = `${rendererUrl}/svg/${encodedState}`;
-		krokiUrl = `${krokiRendererUrl}/mermaid/svg/${pakoSerde.serialize(code)}`;
+		krokiUrl = `${krokiRendererUrl}/mermaid/svg/${pakoSerde.serialize($codeStore.code)}`;
-		mdCode = `[![](${iUrl})](${window.location.protocol}//${window.location.host}${window.location.pathname}#${serialized})`;
+		mdCode = `[![](${iUrl})](${window.location.protocol}//${window.location.host}${window.location.pathname}#${encodedState})`;
 	});
 </script>
 
@@ -180,29 +154,21 @@
 				><i class="far fa-copy mr-2" /> Copy Image to clipboard
 			</button>
 		{/if}
-		<button id="downloadPNG" class="action-btn flex-auto" on:click={onDownloadPNG}>
+		<button class="action-btn flex-auto" on:click={onDownloadPNG}>
 			<i class="fas fa-download mr-2" /> PNG
 		</button>
-		<button id="downloadSVG" class="action-btn flex-auto" on:click={onDownloadSVG}>
+		<button class="action-btn flex-auto" on:click={onDownloadSVG}>
 			<i class="fas fa-download mr-2" /> SVG
 		</button>
-		<a target="_blank" href={iUrl}>
+		<button class="action-btn flex-auto">
-			<button class="action-btn flex-auto">
+			<a target="_blank" href={iUrl}><i class="fas fa-external-link-alt mr-2" /> PNG</a>
-				<i class="fas fa-external-link-alt mr-2" /> PNG
+		</button>
-			</button>
+		<button class="action-btn flex-auto">
-		</a>
+			<a target="_blank" href={svgUrl}><i class="fas fa-external-link-alt mr-2" /> SVG</a>
-
+		</button>
-		<a target="_blank" href={svgUrl}>
+		<button class="action-btn flex-auto">
-			<button class="action-btn flex-auto">
+			<a target="_blank" href={krokiUrl}><i class="fas fa-external-link-alt mr-2" /> Kroki</a>
-				<i class="fas fa-external-link-alt mr-2" /> SVG
+		</button>
-			</button>
-		</a>
-
-		<a target="_blank" href={krokiUrl}>
-			<button class="action-btn flex-auto">
-				<i class="fas fa-external-link-alt mr-2" /> Kroki
-			</button>
-		</a>
 
 		<div class="flex gap-2 items-center">
 			PNG size

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

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

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

@@ -1,24 +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' },
-				{ id: 't2', title: 'title2' }
-			]
-		});
-		expect(container).toBeTruthy();
-		expect(container).toHaveTextContent('TabTest');
-		expect(container).toHaveTextContent('title1');
-		expect(container).toHaveTextContent('title2');
-		expect(container).not.toHaveTextContent('title3');
-		expect(container.innerHTML).toMatchSnapshot();
-	});
-});

src/lib/components/editor.svelte

@@ -1,12 +1,10 @@
 <script lang="ts">
 	import type { EditorEvents } from '$lib/types';
-	import { stateStore } from '$lib/util/state';
+	import { codeStore } from '$lib/util/state';
 	import { themeStore } from '$lib/util/theme';
-	import { syncDiagram } from '$lib/util/util';
 	import type monaco from 'monaco-editor';
 	import { createEventDispatcher, onMount } from 'svelte';
 	import initEditor from 'monaco-mermaid';
-	import { logEvent } from '$lib/util/stats';
 
 	let divEl: HTMLDivElement = null;
 	let editor: monaco.editor.IStandaloneCodeEditor;
@@ -23,20 +21,18 @@
 		theme: 'mermaid',
 		overviewRulerLanes: 0
 	};
+	export let errorMarkers: monaco.editor.IMarkerData[] = [];
 	let oldText = text;
 	$: editor && Monaco?.editor.setModelLanguage(editor.getModel(), language);
-
+	$: {
-	const handleTextUpdate = (newText: string) => {
+		if (text !== oldText) {
-		if (newText !== oldText) {
+			if ($codeStore.updateEditor) {
-			if ($stateStore.updateEditor) {
+				editor?.setValue(text);
-				editor?.setValue(newText);
 			}
-			oldText = newText;
+			oldText = text;
 		}
-		editor && Monaco?.editor.setModelMarkers(editor.getModel(), 'test', $stateStore.errorMarkers);
+		editor && Monaco?.editor.setModelMarkers(editor.getModel(), 'test', errorMarkers);
-	};
+	}
-
-	$: handleTextUpdate(text);
 
 	themeStore.subscribe(({ isDark }) => {
 		editor && Monaco?.editor.setTheme(isDark ? 'mermaid-dark' : 'mermaid');
@@ -66,22 +62,11 @@
 		initEditor(Monaco);
 		editor = Monaco.editor.create(divEl, editorOptions);
 		editor.onDidChangeModelContent(() => {
-			oldText = editor.getValue();
+			text = editor.getValue();
 			dispatch('update', {
-				text: oldText
+				text
 			});
 		});
-		editor.addAction({
-			id: 'mermaid-render-diagram',
-			label: 'Render Diagram',
-			keybindings: [Monaco.KeyMod.CtrlCmd | Monaco.KeyCode.Enter],
-			run: function () {
-				syncDiagram();
-				void logEvent('renderDiagram', {
-					method: 'keyboadShortcut'
-				});
-			}
-		});
 		Monaco?.editor.setTheme($themeStore.isDark ? 'mermaid-dark' : 'mermaid');
 		const resizeObserver = new ResizeObserver((entries) => {
 			editor.layout({

src/lib/components/history/history.svelte

@@ -1,21 +1,18 @@
 <script lang="ts">
 	import Card from '$lib/components/card/card.svelte';
-	import { inputStateStore, getStateString } from '$lib/util/state';
+	import { codeStore, getStateString } from '$lib/util/state';
 	import {
 		addHistoryEntry,
 		historyModeStore,
 		clearHistoryData,
 		getPreviousState,
 		historyStore,
-		loaderHistoryStore,
+		loaderHistoryStore
-		restoreHistory
 	} from './history';
 	import { notify, prompt } from '$lib/util/notify';
 	import { onMount } from 'svelte';
-	import { get } from 'svelte/store';
 	import moment from 'moment';
 	import type { HistoryType, State, Tab } from '$lib/types';
-	import { logEvent } from '$lib/util/stats';
 
 	const HISTORY_SAVE_INTERVAL = 60000;
 
@@ -35,45 +32,12 @@
 		}
 	];
 
-	const downloadHistory = () => {
-		const data = get(historyStore);
-		const blob = new Blob([JSON.stringify(data)], { type: 'application/json' });
-		const url = URL.createObjectURL(blob);
-		const a = document.createElement('a');
-		a.href = url;
-		a.download = `mermaid-history-${moment().format('YYYY-MM-DD-HHmmss')}.json`;
-		a.click();
-		URL.revokeObjectURL(url);
-		logEvent('history', {
-			action: 'download'
-		});
-	};
-
-	const uploadHistory = () => {
-		const input = document.createElement('input');
-		input.type = 'file';
-		input.accept = 'application/json';
-		input.addEventListener('change', ({ target }: Event) => {
-			const file = (<HTMLInputElement>target).files[0];
-			if (!file) {
-				return;
-			}
-			const reader = new FileReader();
-			reader.onload = (e) => {
-				const data = JSON.parse(e.target.result as string);
-				restoreHistory(data);
-			};
-			reader.readAsText(file);
-		});
-		input.click();
-	};
-
 	const saveHistory = (auto = false) => {
 		const currentState: string = getStateString();
 		const previousState: string = getPreviousState(auto);
 		if (previousState !== currentState) {
 			addHistoryEntry({
-				state: $inputStateStore,
+				state: $codeStore,
 				time: Date.now(),
 				type: auto ? 'auto' : 'manual'
 			});
@@ -82,15 +46,15 @@
 		}
 	};
 
-	const clearHistory = (id?: string): void => {
+	const clearHistory = (date?: number): void => {
-		if (!id && !prompt('Clear all saved items?')) {
+		if (!date && !prompt('Clear all saved items?')) {
 			return;
 		}
-		clearHistoryData(id);
+		clearHistoryData(date);
 	};
 
-	const restoreHistoryItem = (state: State): void => {
+	const restoreHistory = (state: State): void => {
-		inputStateStore.set({ ...state, updateEditor: true, updateDiagram: true });
+		codeStore.set({ ...state, updateEditor: true, updateDiagram: true });
 	};
 
 	const relativeTime = (time: number) => {
@@ -124,19 +88,6 @@
 
 <Card on:select={tabSelectHandler} bind:isOpen {tabs} title="History">
 	<div slot="actions">
-		<button
-			id="uploadHistory"
-			class="btn btn-xs btn-secondary w-12"
-			on:click|stopPropagation={() => uploadHistory()}
-			title="Upload history"><i class="fa fa-upload" /></button>
-		{#if $historyStore.length > 0}
-			<button
-				id="downloadHistory"
-				class="btn btn-xs btn-secondary w-12"
-				on:click|stopPropagation={() => downloadHistory()}
-				title="Download history"><i class="fa fa-download" /></button>
-		{/if}
-		|
 		<button
 			id="saveHistory"
 			class="btn btn-xs btn-success w-12"
@@ -152,7 +103,7 @@
 	</div>
 	<ul class="p-2 space-y-2 overflow-auto h-56" id="historyList">
 		{#if $historyStore.length > 0}
-			{#each $historyStore as { id, state, time, name, url, type }}
+			{#each $historyStore as { state, time, name, url, type }}
 				<li class="rounded p-2 shadow flex-col">
 					<div class="flex">
 						<div class="flex-1">
@@ -170,10 +121,10 @@
 							</div>
 						</div>
 						<div class="flex gap-2 content-center">
-							<button class="btn btn-success" on:click={() => restoreHistoryItem(state)}
+							<button class="btn btn-success" on:click={() => restoreHistory(state)}
 								><i class="fas fa-undo mr-1" />Restore</button>
 							{#if type !== 'loader'}
-								<button class="btn btn-error" on:click={() => clearHistory(id)}
+								<button class="btn btn-error" on:click={() => clearHistory(time)}
 									><i class="fas fa-trash-alt mr-1" />Delete</button>
 							{/if}
 						</div>

src/lib/components/history/history.ts

@@ -1,28 +1,26 @@
 import { derived, writable, get } from 'svelte/store';
 import type { Readable, Writable } from 'svelte/store';
-import { persist, createLocalStorage } from '@macfja/svelte-persistent-store';
+import { persist, localStorage } from '@macfja/svelte-persistent-store';
 import { generateSlug } from 'random-word-slugs';
-import type { HistoryEntry, HistoryType, Optional } from '$lib/types';
+import type { HistoryEntry, HistoryType } from '$lib/types';
-import { v4 as uuidV4 } from 'uuid';
-import { logEvent } from '$lib/util/stats';
 
 const MAX_AUTO_HISTORY_LENGTH = 30;
 
 export const historyModeStore: Writable<HistoryType> = persist(
 	writable('manual'),
-	createLocalStorage(),
+	localStorage(),
 	'autoHistoryMode'
 );
 
 const autoHistoryStore: Writable<HistoryEntry[]> = persist(
 	writable([]),
-	createLocalStorage(),
+	localStorage(),
 	'autoHistoryStore'
 );
 
 const manualHistoryStore: Writable<HistoryEntry[]> = persist(
 	writable([]),
-	createLocalStorage(),
+	localStorage(),
 	'manualHistoryStore'
 );
 
@@ -43,39 +41,28 @@ export const historyStore: Readable<HistoryEntry[]> = derived(
 	}
 );
 
-export const addHistoryEntry = (entryToAdd: Optional<HistoryEntry, 'id'>): void => {
+export const addHistoryEntry = (entry: HistoryEntry): void => {
-	const entry: HistoryEntry = {
-		...entryToAdd,
-		id: uuidV4()
-	};
-
 	if (entry.type === 'loader') {
 		loaderHistoryStore.update((entries) => [entry, ...entries]);
 		return;
 	}
-
+	entry.name = generateSlug(2);
-	if (!entry.name) {
+	if (entry.type !== 'auto') {
-		entry.name = generateSlug(2);
-	}
-
-	if (entry.type === 'auto') {
-		autoHistoryStore.update((entries) => {
-			if (entries.length >= MAX_AUTO_HISTORY_LENGTH) {
-				entries = entries.slice(0, MAX_AUTO_HISTORY_LENGTH - 1);
-			}
-			return [entry, ...entries];
-		});
-	} else if (entry.type === 'manual') {
 		manualHistoryStore.update((entries) => [entry, ...entries]);
-		logEvent('history', { action: 'save' });
+		return;
 	}
+	autoHistoryStore.update((entries) => {
+		if (entries.length === MAX_AUTO_HISTORY_LENGTH) {
+			entries.pop();
+		}
+		return [entry, ...entries];
+	});
 };
 
-export const clearHistoryData = (idToClear?: string): void => {
+export const clearHistoryData = (time?: number): void => {
 	(get(historyModeStore) === 'auto' ? autoHistoryStore : manualHistoryStore).update((entries) => {
 		if (get(historyModeStore) !== 'loader') {
-			entries = entries.filter(({ id }) => idToClear && id != idToClear);
+			entries = entries.filter((entry) => time && entry.time != time);
-			logEvent('history', { action: 'clear', type: idToClear ? 'single' : 'all' });
 		}
 		return entries;
 	});
@@ -88,54 +75,3 @@ export const getPreviousState = (auto: boolean): string => {
 	}
 	return '';
 };
-
-export const restoreHistory = (data: HistoryEntry[]) => {
-	const entries = data.filter(validateEntry);
-	const invalidEntryCount = data.length - entries.length;
-	if (invalidEntryCount > 0) {
-		console.error(`${invalidEntryCount} invalid history entries were removed.`);
-		console.error(data);
-	}
-	if (entries.length > 0) {
-		let entryCount = 0;
-		(entries[0].type === 'auto' ? autoHistoryStore : manualHistoryStore).update((existing) => {
-			const existingIDs = new Set(existing.map(({ id }) => id));
-			const newEntries = entries.filter(({ id }) => !existingIDs.has(id));
-			entryCount = newEntries.length;
-			const combined = [...existing, ...newEntries];
-			combined.sort((a, b) => b.time - a.time);
-			return combined;
-		});
-
-		alert(
-			`${entryCount} entries restored. ${invalidEntryCount} invalid, ${
-				entries.length - entryCount
-			} duplicates.`
-		);
-		logEvent('history', {
-			action: 'restore',
-			success: entryCount,
-			invalid: invalidEntryCount,
-			duplicates: entries.length - entryCount
-		});
-	} else {
-		alert('No valid entries found.');
-	}
-};
-
-export const injectHistoryIDs = (): void => {
-	const setIDs = (entries: HistoryEntry[]) => {
-		for (const entry of entries) {
-			if (!entry.id) {
-				entry.id = uuidV4();
-			}
-		}
-		return entries;
-	};
-	autoHistoryStore.update(setIDs);
-	manualHistoryStore.update(setIDs);
-};
-
-const validateEntry = (entry: HistoryEntry): boolean => {
-	return entry.type && entry.state && entry.time && true;
-};

src/lib/components/preset.svelte

@@ -1,7 +1,6 @@
 <script lang="ts">
 	import { updateCode } from '$lib/util/state';
 	import Card from '$lib/components/card/card.svelte';
-	import { logEvent } from '$lib/util/stats';
 
 	const samples = {
 		'Flow Chart': `graph TD
@@ -96,12 +95,7 @@
 	};
 
 	const loadSampleDiagram = (diagramType: string): void => {
-		updateCode(samples[diagramType], {
+		updateCode(samples[diagramType], true, true);
-			updateDiagram: true,
-			updateEditor: true,
-			resetPanZoom: true
-		});
-		void logEvent('loadSampleDiagram', { diagramType });
 	};
 </script>
 

src/lib/components/view.svelte

@@ -1,10 +1,9 @@
 <script lang="ts">
-	import { inputStateStore, stateStore, updateCodeStore } from '$lib/util/state';
+	import { errorStore } from '$lib/util/error';
+
+	import { codeStore } from '$lib/util/state';
 	import { onMount } from 'svelte';
 	import mermaid from 'mermaid';
-	import panzoom from 'svg-pan-zoom';
-	import type { State } from '$lib/types';
-	import { logEvent } from '$lib/util/stats';
 
 	let code = '';
 	let config = '';
@@ -12,85 +11,33 @@
 	let view: HTMLDivElement;
 	let error = false;
 	let outOfSync = false;
-	let hide = false;
 	let manualUpdate = true;
-	let panZoomEnabled = $stateStore.panZoom;
-	let pzoom: SvgPanZoom.Instance;
-	let debounce: number;
-
-	const handlePanZoomChange = () => {
-		const pan = pzoom.getPan();
-		const zoom = pzoom.getZoom();
-		clearTimeout(debounce);
-		debounce = window.setTimeout(() => {
-			updateCodeStore({ pan, zoom });
-			void logEvent('panZoom');
-		}, 200);
-	};
-
-	const handlePanZoom = (state: State) => {
-		if (!state.panZoom) {
-			return;
-		}
-		hide = true;
-		pzoom?.destroy();
-		pzoom = undefined;
-		Promise.resolve().then(() => {
-			const graphDiv = document.getElementById('graph-div');
-			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;
-		});
-	};
-
 	onMount(() => {
-		stateStore.subscribe((state) => {
+		codeStore.subscribe((state) => {
-			if (state.error !== undefined) {
-				error = true;
-				return;
-			}
-			error = false;
 			try {
 				if (container && state && (state.updateDiagram || state.autoSync)) {
 					if (!state.autoSync) {
-						$inputStateStore.updateDiagram = false;
+						$codeStore.updateDiagram = false;
 					}
 					outOfSync = false;
 					manualUpdate = true;
-					if (code === state.code && config === state.mermaid && panZoomEnabled === state.panZoom) {
+					if (code === state.code && config === state.mermaid) {
-						// Do not render if there is no change in Code/Config/PanZoom
+						// Do not render if there is no change in Code/Config
 						return;
 					}
 					code = state.code;
 					config = state.mermaid;
-					panZoomEnabled = state.panZoom;
 					const scroll = view.parentElement.scrollTop;
 					delete container.dataset.processed;
 					mermaid.initialize(Object.assign({}, JSON.parse(state.mermaid)));
 					mermaid.render('graph-div', code, (svgCode) => {
-						if (svgCode.length > 0) {
+						container.innerHTML = svgCode;
-							handlePanZoom(state);
-							container.innerHTML = svgCode;
-							const graphDiv = document.getElementById('graph-div');
-							graphDiv.setAttribute('height', '100%');
-							graphDiv.style.maxWidth = '100%';
-						}
 					});
 					view.parentElement.scrollTop = scroll;
 					error = false;
 				} else if (manualUpdate) {
 					manualUpdate = false;
-				} else if (code !== state.code || config !== state.mermaid) {
+				} else {
 					outOfSync = true;
 				}
 			} catch (e) {
@@ -98,37 +45,28 @@
 				error = true;
 			}
 		});
-		window.addEventListener('resize', () => {
+		errorStore.subscribe((err) => {
-			if ($stateStore.panZoom && pzoom) {
+			if (typeof err === 'undefined') {
-				pzoom.resize();
+				error = false;
+			} else {
+				error = true;
+				console.log('Error: ', err);
 			}
 		});
 	});
 </script>
 
-{#if error && $stateStore.error instanceof Error}
+<div id="view" bind:this={view} class="p-2" class:error class:outOfSync>
-	<div class="p-2 text-red-600" id="errorContainer">{$stateStore.error}</div>
+	<div id="container" bind:this={container} class="flex-1 overflow-auto" />
-{/if}
-
-<div id="view" bind:this={view} class="p-2 h-full" class:error class:outOfSync>
-	<div id="container" bind:this={container} class="h-full overflow-auto" class:hide />
 </div>
 
 <style>
 	#view {
+		border: 1px solor darkred;
 		flex: 1;
 	}
-
-	#container {
-		transition: visibility 0.3s;
-	}
-
 	.error,
 	.outOfSync {
 		opacity: 0.5;
 	}
-
-	.hide {
-		visibility: hidden;
-	}
 </style>

src/lib/types.d.ts

@@ -6,16 +6,6 @@ export interface Locals {
 	userid: string;
 }
 
-export interface MarkerData {
-	severity: number;
-	message: string;
-	source?: string;
-	startLineNumber: number;
-	startColumn: number;
-	endLineNumber: number;
-	endColumn: number;
-}
-
 export interface EditorUpdateEvent {
 	text: string;
 }
@@ -39,18 +29,9 @@ export interface State {
 	updateEditor: boolean;
 	updateDiagram: boolean;
 	autoSync: boolean;
-	panZoom?: boolean;
-	pan?: { x: number; y: number };
-	zoom?: number;
 	loader?: LoaderConfig;
 }
 
-export interface ValidatedState extends State {
-	error: unknown;
-	errorMarkers: MarkerData[];
-	serialized: string;
-}
-
 export interface GistLoaderConfig {
 	url: string;
 }
@@ -68,16 +49,13 @@ export interface LoaderConfig {
 	config: GistLoaderConfig | FileLoaderConfig;
 }
 export type HistoryType = 'auto' | 'manual' | 'loader';
-export type HistoryEntry = { id: string; state: State; time: number; url?: string } & (
+export interface HistoryEntry {
-	| {
+	state: State;
-			type: 'loader';
+	time: number;
-			name: string;
+	name?: string;
-	  }
+	type: HistoryType;
-	| {
+	url?: string;
-			type: HistoryType;
+}
-			name?: string;
-	  }
-);
 
 export interface DocConfig {
 	[key: string]: {
@@ -86,5 +64,4 @@ export interface DocConfig {
 	};
 }
 
-export type Loader = (url: string) => Promise<State>;
+type Loader = (url: string) => Promise<State>;
-export type Optional<T, K extends keyof T> = Pick<Partial<T>, K> & Omit<T, K>;

src/lib/util/error.ts

@@ -0,0 +1,3 @@
+import { writable } from 'svelte/store';
+
+export const errorStore = writable(undefined);

src/lib/util/fileLoaders/gist.ts

@@ -1,4 +1,3 @@
-/* eslint-disable @typescript-eslint/no-unsafe-return */
 /* eslint-disable @typescript-eslint/no-unsafe-assignment */
 /* eslint-disable @typescript-eslint/no-unsafe-member-access */
 /* eslint-disable @typescript-eslint/no-explicit-any */
@@ -44,7 +43,6 @@ const getGistData = async (gistURL: string): Promise<GistData> => {
 		}
 		const currentItem = history[0];
 		return {
-			// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
 			url: `${html_url}/${currentItem.version}`,
 			code,
 			config,

src/lib/util/fileLoaders/loader.ts

@@ -7,7 +7,7 @@ const loaders: Record<string, Loader> = {
 
 export const loadDataFromUrl = async (): Promise<void> => {
 	const searchParams = new URLSearchParams(window.location.search);
-	let state: Partial<State> = defaultState;
+	let state: State = defaultState;
 	let code: string, config: string;
 	let loaded = false;
 	const codeURL: string = searchParams.get('code');
@@ -23,9 +23,6 @@ export const loadDataFromUrl = async (): Promise<void> => {
 		config = defaultState.mermaid;
 	}
 	if (!code) {
-		// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-		// @ts-ignore
-		// eslint-disable-next-line @typescript-eslint/no-unsafe-call
 		for (const [key, value] of searchParams.entries()) {
 			if (key in loaders) {
 				try {
@@ -48,7 +45,7 @@ export const loadDataFromUrl = async (): Promise<void> => {
 					configURL
 				}
 			}
-		};
+		} as State;
 	}
 	loaded &&
 		updateCodeStore({
@@ -57,4 +54,5 @@ export const loadDataFromUrl = async (): Promise<void> => {
 			updateDiagram: true,
 			updateEditor: true
 		});
+	// window.location.search = '';
 };

src/lib/util/migrations.ts

@@ -1,35 +0,0 @@
-import { writable, get, type Writable } from 'svelte/store';
-import { persist, createLocalStorage } from '@macfja/svelte-persistent-store';
-import { injectHistoryIDs } from '$lib/components/history/history';
-import { logEvent } from './stats';
-
-interface MigrationState {
-	version: number;
-}
-
-const migrations: { [key: string]: () => void } = {
-	injectHistoryIDs
-};
-
-const migrationStore: Writable<MigrationState> = persist(
-	writable({ version: -1 }),
-	createLocalStorage(),
-	'migrations'
-);
-
-export const applyMigrations = (): void => {
-	const { version }: MigrationState = get(migrationStore);
-	const allMigrations = Object.entries(migrations);
-	if (version === allMigrations.length - 1) {
-		return;
-	}
-	console.log(`Current migration version: v${version}. Migrating to v${allMigrations.length - 1}.`);
-	for (let i = version + 1; i < allMigrations.length; i++) {
-		const [key, fn] = allMigrations[i];
-		console.log(`Applying migration ${i}: ${key}.`);
-		fn();
-		logEvent('migration', { key });
-		migrationStore.set({ version: i });
-	}
-	logEvent('migration', { status: 'complete', from: version, to: allMigrations.length - 1 });
-};

src/lib/util/serde.test.ts

@@ -1,40 +0,0 @@
-import { describe, expect, it } from 'vitest';
-import { serializeState, deserializeState, type SerdeType } from './serde';
-import { defaultState } from './state';
-import type { State } from '$lib/types';
-
-describe('Serde tests', () => {
-	const verifySerde = (state: State, serde?: SerdeType): string => {
-		const serialized = serializeState(state, serde);
-		const deserialized = deserializeState(serialized);
-		expect(deserialized).to.deep.equal(state);
-		return serialized;
-	};
-
-	it('should serialize and deserialize with default serde', () => {
-		expect(verifySerde(defaultState)).toMatchInlineSnapshot(
-			'"pako:eNpVkM1qw0AMhF9F6JRC_AI-FBo7ySXQQnPz5iC8cnZp9oe1TAm2373rmEKik5j5ZhAasQ2ascRromjgXCsPeT6ayiTbi6P-AkXxPh1ZwAXP9wl2m2OA3oQYrb--rfxugaAaTwvGIMb6n3m1qkf-0_MEdXOiKCFenp3zb5hg39gvk-tfHZM4pw5NR2VHRUsJKkoPBLfoODmyOp8-LopCMexYYZlXzR0NN1Go_JzRIWoS3msrIWGuuvW8RRokfN99i6Wkgf-h2lL-hFvF-Q9-YFyS"'
-		);
-	});
-
-	it('should serialize and deserialize with base64 serde', () => {
-		expect(verifySerde(defaultState, 'base64')).toMatchInlineSnapshot(
-			'"base64:eyJjb2RlIjoiZ3JhcGggVERcbiAgICBBW0NocmlzdG1hc10gLS0-fEdldCBtb25leXwgQihHbyBzaG9wcGluZylcbiAgICBCIC0tPiBDe0xldCBtZSB0aGlua31cbiAgICBDIC0tPnxPbmV8IERbTGFwdG9wXVxuICAgIEMgLS0-fFR3b3wgRVtpUGhvbmVdXG4gICAgQyAtLT58VGhyZWV8IEZbZmE6ZmEtY2FyIENhcl1cbiAgIiwibWVybWFpZCI6IntcbiAgXCJ0aGVtZVwiOiBcImRlZmF1bHRcIlxufSIsInVwZGF0ZUVkaXRvciI6ZmFsc2UsImF1dG9TeW5jIjp0cnVlLCJ1cGRhdGVEaWFncmFtIjp0cnVlfQ"'
-		);
-	});
-
-	it('should serialize and deserialize with pako serde', () => {
-		expect(verifySerde(defaultState, 'pako')).toMatchInlineSnapshot(
-			'"pako:eNpVkM1qw0AMhF9F6JRC_AI-FBo7ySXQQnPz5iC8cnZp9oe1TAm2373rmEKik5j5ZhAasQ2ascRromjgXCsPeT6ayiTbi6P-AkXxPh1ZwAXP9wl2m2OA3oQYrb--rfxugaAaTwvGIMb6n3m1qkf-0_MEdXOiKCFenp3zb5hg39gvk-tfHZM4pw5NR2VHRUsJKkoPBLfoODmyOp8-LopCMexYYZlXzR0NN1Go_JzRIWoS3msrIWGuuvW8RRokfN99i6Wkgf-h2lL-hFvF-Q9-YFyS"'
-		);
-	});
-
-	it('should throw error for unrecognized serde', () => {
-		// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-		// @ts-expect-error
-		expect(() => serializeState(defaultState, 'unknown')).toThrowError(
-			'Unknown serde type: unknown'
-		);
-		expect(() => deserializeState('unknown:hello')).toThrowError('Unknown serde type: unknown');
-	});
-});

src/lib/util/serde.ts

@@ -28,20 +28,18 @@ export const pakoSerde: Serde = {
 	}
 };
 
-export type SerdeType = 'base64' | 'pako';
+const serdes: { [key: string]: Serde } = {
-
-const serdes: { [key in SerdeType]: Serde } = {
 	base64: base64Serde,
 	pako: pakoSerde
 };
 
-export const serializeState = (state: State, serde: SerdeType = 'pako'): string => {
+type SerdeType = keyof typeof serdes;
-	if (serdes[serde] === undefined) {
+
-		throw new Error(`Unknown serde type: ${serde}`);
+export const serializeState = (state: State): string => {
-	}
 	const json = JSON.stringify(state);
-	const serialized = serdes[serde].serialize(json);
+	const defaultSerde: SerdeType = 'pako';
-	return `${serde}:${serialized}`;
+	const serialized = serdes[defaultSerde].serialize(json);
+	return `${defaultSerde}:${serialized}`;
 };
 
 export const deserializeState = (state: string): State => {
@@ -50,7 +48,7 @@ export const deserializeState = (state: string): State => {
 		let tempType: string;
 		[tempType, serialized] = state.split(':');
 		if (tempType in serdes) {
-			type = tempType as SerdeType;
+			type = tempType;
 		} else {
 			throw new Error(`Unknown serde type: ${tempType}`);
 		}

src/lib/util/state.ts

@@ -1,12 +1,9 @@
 import { writable, get, derived } from 'svelte/store';
-import { persist, createLocalStorage } from '@macfja/svelte-persistent-store';
+import type { Readable } from 'svelte/store';
+import { persist, localStorage } from '@macfja/svelte-persistent-store';
+import type { State } from '$lib/types';
 import { saveStatistics } from './stats';
 import { serializeState, deserializeState } from './serde';
-import { cmdKey } from './util';
-import mermaid from 'mermaid';
-
-import type { Readable } from 'svelte/store';
-import type { MarkerData, State, ValidatedState } from '$lib/types';
 
 export const defaultState: State = {
 	code: `graph TD
@@ -39,47 +36,14 @@ const urlParseFailedState = `graph TD
     G --> |"No :("| H(Try using the Timeline tab in History <br/>from same browser you used to create the diagram.)
     click D href "https://github.com/mermaid-js/mermaid-live-editor/issues/new?assignees=&labels=bug&template=bug_report.md&title=Broken%20link" "Raise issue"`;
 
-// inputStateStore handles all updates and is shared externally when exporting via URL, History, etc.
+export const codeStore = persist(writable(defaultState), localStorage(), 'codeStore');
-export const inputStateStore = persist(writable(defaultState), createLocalStorage(), 'codeStore');
+export const serializedState: Readable<string> = derived([codeStore], ([code], set) => {
-
+	set(serializeState(code));
-// All internal reads should be done via stateStore, but it should not be persisted/shared externally.
-export const stateStore: Readable<ValidatedState> = derived([inputStateStore], ([state]) => {
-	const processed: ValidatedState = {
-		...state,
-		serialized: '',
-		errorMarkers: [],
-		error: undefined
-	};
-	// No changes should be done to fields part of `state`.
-	try {
-		processed.serialized = serializeState(state);
-		mermaid.parse(state.code);
-		JSON.parse(state.mermaid);
-	} catch (e) {
-		processed.error = e;
-		console.error(e);
-		if (e.hash) {
-			try {
-				const marker: MarkerData = {
-					severity: 8, // Error
-					startLineNumber: e.hash.loc.first_line,
-					startColumn: e.hash.loc.first_column,
-					endLineNumber: e.hash.loc.last_line,
-					endColumn: (e.hash.loc.last_column as number) + 1,
-					message: e.str
-				};
-				processed.errorMarkers = [marker];
-			} catch (err) {
-				console.error('Error without line helper', err);
-			}
-		}
-	}
-	return processed;
 });
 
 export const loadState = (data: string): void => {
 	let state: State;
-	console.log(`Loading '${data}'`);
+	console.log('Loading', data);
 	try {
 		state = deserializeState(data);
 		const mermaidConfig: { [key: string]: string } =
@@ -93,65 +57,54 @@ export const loadState = (data: string): void => {
 		) {
 			delete mermaidConfig.securityLevel; // Prevent setting overriding securityLevel when loading state to mitigate possible XSS attack
 		}
+
 		state.mermaid = JSON.stringify(mermaidConfig, null, 2);
 	} catch (e) {
-		state = get(inputStateStore);
+		state = get(codeStore);
 		if (data) {
 			console.error('Init error', e);
 			state.code = urlParseFailedState;
-			state.mermaid = defaultState.mermaid;
 		}
 	}
 	updateCodeStore({ ...state, updateEditor: true });
 };
 
-export const updateCodeStore = (newState: Partial<State>): void => {
+export const updateCodeStore = (newState: State): void => {
-	inputStateStore.update((state) => {
+	codeStore.update((state) => {
 		return { ...state, ...newState };
 	});
 };
 
 let prompted = false;
-export const updateCode = (
+export const updateCode = (code: string, updateEditor: boolean, updateDiagram = false): void => {
-	code: string,
-	{
-		updateEditor,
-		updateDiagram = false,
-		resetPanZoom = false
-	}: { updateEditor: boolean; updateDiagram?: boolean; resetPanZoom?: boolean }
-): void => {
 	saveStatistics(code);
 	const lines = (code.match(/\n/g) || '').length + 1;
 
-	if (lines > 50 && !prompted && get(stateStore).autoSync) {
+	if (lines > 50 && !prompted && get(codeStore).autoSync) {
 		const turnOff = confirm(
-			`Long diagram detected. Turn off Auto Sync? Use ${cmdKey} + Enter or click the sync logo to manually sync.`
+			'Long diagram detected. Turn off Auto Sync? Click the sync logo to manually sync.'
 		);
 		prompted = true;
 		if (turnOff) {
 			updateCodeStore({
 				autoSync: false
-			});
+			} as State);
 		}
 	}
 
-	inputStateStore.update((state) => {
+	codeStore.update((state) => {
-		if (resetPanZoom) {
-			state.pan = undefined;
-			state.zoom = undefined;
-		}
 		return { ...state, code, updateEditor, updateDiagram };
 	});
 };
 
 export const updateConfig = (config: string, updateEditor: boolean): void => {
-	inputStateStore.update((state) => {
+	codeStore.update((state) => {
 		return { ...state, mermaid: config, updateEditor };
 	});
 };
 
 export const toggleDarkTheme = (dark: boolean): void => {
-	inputStateStore.update((state) => {
+	codeStore.update((state) => {
 		const config = JSON.parse(state.mermaid);
 		if (!config.theme || ['dark', 'default'].includes(config.theme)) {
 			config.theme = dark ? 'dark' : 'default';
@@ -162,11 +115,11 @@ export const toggleDarkTheme = (dark: boolean): void => {
 };
 
 export const initURLSubscription = (): void => {
-	stateStore.subscribe(({ serialized }) => {
+	serializedState.subscribe((state: string) => {
-		history.replaceState(undefined, undefined, `#${serialized}`);
+		history.replaceState(undefined, undefined, `#${state}`);
 	});
 };
 
 export const getStateString = (): string => {
-	return JSON.stringify(get(inputStateStore));
+	return JSON.stringify(get(codeStore));
 };

src/lib/util/stats.ts

@@ -8,28 +8,18 @@ export const initAnalytics = async (): Promise<void> => {
 		try {
 			const { Analytics } = await import('analytics');
 			// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
-			const googleAnalytics = (await import('@analytics/google-analytics')).default;
+			const googleAnalytics = await import('@analytics/google-analytics');
-			const plausible = (await import('analytics-plugin-plausible')).default;
 			analytics = Analytics({
 				app: 'mermaid-live-editor',
 				// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
 				plugins: [
 					// eslint-disable-next-line @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-member-access
-					googleAnalytics({
+					googleAnalytics.init({
-						measurementIds: ['UA-153180559-1']
+						trackingId: 'UA-153180559-1'
-					}),
-					// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-					// @ts-ignore
-					plausible({
-						domain: 'mermaid.live',
-						hashMode: false,
-						trackLocalhost: false, // By default 'false'
-						apiHost: 'https://plausible.io'
 					})
 				]
 			});
-		} catch (e) {
+		} catch {
-			console.log(e);
 			console.info('Analytics blocked ;)');
 		}
 	}
@@ -43,20 +33,17 @@ const detectType = (text: string): string => {
 };
 
 // manual debounce
-let timeout: number;
+let timeout;
 export const saveStatistics = (graph: string): void => {
 	if (analytics) {
 		clearTimeout(timeout);
 		// Only save statistics after a 5 sec delay
-		timeout = window.setTimeout(() => {
+		timeout = setTimeout(function () {
 			const graphType = detectType(graph);
-			console.debug(`ga: send event: render ${graphType}`);
+			console.debug('ga:', 'send', 'event', 'render', graphType);
-			void logEvent('render', { graphType });
+			void analytics.track('render', {
+				graphType
+			});
 		}, 5000);
 	}
 };
-
-// eslint-disable-next-line @typescript-eslint/no-explicit-any
-export const logEvent = async (name: string, data?: any): Promise<void> => {
-	await analytics?.track(name, data);
-};

src/lib/util/theme.ts

@@ -1,7 +1,6 @@
 import { writable } from 'svelte/store';
 import type { Writable } from 'svelte/store';
-import { persist, createLocalStorage } from '@macfja/svelte-persistent-store';
+import { persist, localStorage } from '@macfja/svelte-persistent-store';
-import { logEvent } from './stats';
 
 export interface ThemeConfig {
 	isDark: boolean;
@@ -12,7 +11,7 @@ export const themeStore: Writable<ThemeConfig> = persist(
 	writable({
 		isDark: false
 	}),
-	createLocalStorage(),
+	localStorage(),
 	'themeStore'
 );
 
@@ -34,5 +33,4 @@ export const setTheme = (theme: string): void => {
 	const isDark = darkThemes.includes(theme);
 	console.log('Setting theme', theme);
 	themeStore.set({ theme, isDark });
-	void logEvent('themeChange', { theme, isDark });
 };

src/lib/util/util.ts

@@ -1,3 +1,4 @@
+import type { State } from '$lib/types';
 import { initURLSubscription, loadState, updateCodeStore } from './state';
 import { analytics, initAnalytics } from './stats';
 import { loadDataFromUrl } from './fileLoaders/loader';
@@ -10,7 +11,7 @@ export const loadStateFromURL = (): void => {
 export const syncDiagram = (): void => {
 	updateCodeStore({
 		updateDiagram: true
-	});
+	} as State);
 };
 
 export const initHandler = async (): Promise<void> => {
@@ -21,8 +22,3 @@ export const initHandler = async (): Promise<void> => {
 	await initAnalytics();
 	analytics?.page();
 };
-
-export const isMac = navigator.platform.toUpperCase().indexOf('MAC') >= 0;
-export const cmdKey = isMac ? 'Cmd' : 'Ctrl';
-
-export const debounceEnabled = window.localStorage.getItem('noDebounce') !== 'true';

src/routes/[fallback]/manifest.json.ts

@@ -0,0 +1,2 @@
+import { get as manifestGet } from '../manifest.json';
+export const get = manifestGet;

src/routes/[fallback]/manifest.json/+server.ts

@@ -1,4 +0,0 @@
-import type { RequestHandler } from './$types';
-import { GET as manifestGet } from '../../manifest.json/+server';
-
-export const GET: RequestHandler = manifestGet;

src/routes/__layout.svelte

@@ -5,16 +5,10 @@
 	import { loadingStateStore } from '$lib/util/loading';
 	import { setTheme, themeStore } from '$lib/util/theme';
 	import { toggleDarkTheme } from '$lib/util/state';
-	import { initHandler } from '$lib/util/util';
-	import { applyMigrations } from '$lib/util/migrations';
 
 	// This can be removed once https://github.com/sveltejs/kit/issues/1612 is fixed.
 	// Then move it into src and vite will bundle it automatically.
 	onMount(() => {
-		applyMigrations();
-		window.addEventListener('hashchange', async (ev) => {
-			await initHandler();
-		});
 		if ('serviceWorker' in navigator) {
 			navigator.serviceWorker
 				.register(`${base}/service-worker.js`, {

src/routes/edit.svelte

@@ -6,12 +6,17 @@
 	import View from '$lib/components/view.svelte';
 	import Card from '$lib/components/card/card.svelte';
 	import History from '$lib/components/history/history.svelte';
-	import { updateCode, updateConfig, inputStateStore, stateStore } from '$lib/util/state';
+	import { updateCode, updateConfig, codeStore, serializedState } from '$lib/util/state';
-	import { cmdKey, debounceEnabled, initHandler, syncDiagram } from '$lib/util/util';
+	import { initHandler, syncDiagram } from '$lib/util/util';
+	import { errorStore } from '$lib/util/error';
 	import { onMount } from 'svelte';
+	import mermaid from 'mermaid';
+	import type monaco from 'monaco-editor';
 	import type { EditorUpdateEvent, State, Tab, DocConfig } from '$lib/types';
 	import { base } from '$app/paths';
 
+	serializedState; // Weird fix for error > serializedState is not defined. Treeshaking?
+
 	type Modes = 'code' | 'config';
 	type Languages = 'mermaid' | 'json';
 
@@ -63,17 +68,17 @@
 	let text = '';
 	let docURL = docURLBase;
 	let language: Languages = 'mermaid';
-	const handleModeUpdate = (mode: Modes) => {
+	let errorMarkers: monaco.editor.IMarkerData[] = [];
-		if (mode === 'code') {
-			text = $stateStore.code;
-		} else {
-			text = $stateStore.mermaid;
-		}
-	};
 	$: language = languageMap[selectedMode];
-	$: handleModeUpdate(selectedMode);
+	$: {
+		if (selectedMode === 'code') {
+			text = $codeStore.code;
+		} else {
+			text = $codeStore.mermaid;
+		}
+	}
 
-	stateStore.subscribe((state: State) => {
+	codeStore.subscribe((state: State) => {
 		if (state.updateEditor) {
 			text = selectedMode === 'code' ? state.code : state.mermaid;
 		}
@@ -86,7 +91,7 @@
 	});
 	const tabSelectHandler = (message: CustomEvent<Tab>) => {
 		selectedMode = message.detail.id === 'code' ? 'code' : 'config';
-		$inputStateStore.updateEditor = true;
+		$codeStore.updateEditor = true;
 	};
 	const tabs: Tab[] = [
 		{
@@ -101,33 +106,55 @@
 		}
 	];
 
-	const handleUpdate = (text: string) => {
+	const handleCodeUpdate = (code: string): void => {
-		if (selectedMode === 'code') {
+		mermaid.parse(code);
-			updateCode(text, {
+		updateCode(code, false);
-				updateEditor: false
+	};
-			});
+
-		} else {
+	const handleConfigUpdate = (config: string): void => {
-			updateConfig(text, false);
+		JSON.parse(config);
+		updateConfig(config, false);
+	};
+
+	const updateHandler = (message: CustomEvent<EditorUpdateEvent>) => {
+		try {
+			if (selectedMode === 'code') {
+				handleCodeUpdate(message.detail.text);
+			} else {
+				handleConfigUpdate(message.detail.text);
+			}
+			errorStore.set(undefined);
+			errorMarkers = [];
+		} catch (e) {
+			errorStore.set(e);
+			if (e.hash) {
+				const marker: monaco.editor.IMarkerData = {
+					severity: 8, //Error
+					startLineNumber: e.hash.loc.first_line,
+					startColumn: e.hash.loc.first_column,
+					endLineNumber: e.hash.loc.last_line,
+					endColumn: (e.hash.loc.last_column as number) + 1,
+					message: e.str
+				};
+				errorMarkers.push(marker);
+				// Clear all previous errors before this error.
+				errorMarkers = errorMarkers.filter(
+					(m) => m.startLineNumber >= marker.startLineNumber && m.startColumn >= marker.startColumn
+				);
+			}
+			console.error(e);
 		}
 	};
 
-	let debounce: { [key: string]: number } = {};
+	const viewDiagram = () => {
-	const updateHandler = ({ detail: { text } }: CustomEvent<EditorUpdateEvent>) => {
+		window.open(`${base}/view#${$serializedState}`, '_blank').focus();
-		if (debounceEnabled) {
-			clearTimeout(debounce[selectedMode]);
-			debounce[selectedMode] = window.setTimeout(() => {
-				handleUpdate(text);
-			}, 300);
-		} else {
-			handleUpdate(text);
-		}
 	};
 
 	onMount(async () => {
 		await initHandler();
 		const resizer = document.getElementById('resizeHandler');
 		const element = document.getElementById('editorPane');
-		const resize = (e: { pageX: number }) => {
+		const resize = (e) => {
 			const newWidth = e.pageX - element.getBoundingClientRect().left;
 			if (newWidth > 50) {
 				element.style.width = `${newWidth}px`;
@@ -150,32 +177,34 @@
 	<div class="flex-1 flex overflow-hidden">
 		<div class="hidden md:flex flex-col" id="editorPane" style="width: 40%">
 			<Card on:select={tabSelectHandler} {tabs} isCloseable={false} title="Mermaid">
-				<div slot="actions" class="flex flex-row items-center">
+				<div slot="actions">
-					<div class="form-control flex-row items-center">
+					<div class="flex flex-row items-center">
-						<label class="cursor-pointer label" for="autoSync">
+						<div class="form-control flex-row items-center">
-							<span> Auto sync</span>
+							<label class="cursor-pointer label" for="autoSync">
-							<input
+								<span> Auto sync</span>
-								type="checkbox"
+								<input
-								class="toggle {$stateStore.autoSync ? 'btn-secondary' : 'toggle-primary'} ml-1"
+									type="checkbox"
-								id="autoSync"
+									class="toggle {$codeStore.autoSync ? 'btn-secondary' : 'toggle-primary'} ml-1"
-								bind:checked={$inputStateStore.autoSync} />
+									id="autoSync"
-						</label>
+									bind:checked={$codeStore.autoSync} />
+							</label>
+						</div>
+
+						{#if !$codeStore.autoSync}
+							<button
+								class="btn btn-secondary btn-xs mr-1"
+								title="Sync Diagram"
+								data-cy="sync"
+								on:click={syncDiagram}><i class="fas fa-sync" /></button>
+						{/if}
+
+						<button class="btn btn-secondary btn-xs" title="View documentation">
+							<a target="_blank" href={docURL} data-cy="docs"><i class="fas fa-book mr-1" />Docs</a>
+						</button>
 					</div>
-
-					{#if !$stateStore.autoSync}
-						<button
-							class="btn btn-secondary btn-xs mr-1"
-							title="Sync Diagram ({cmdKey} + Enter)"
-							data-cy="sync"
-							on:click={syncDiagram}><i class="fas fa-sync" /></button>
-					{/if}
-
-					<button class="btn btn-secondary btn-xs" title="View documentation">
-						<a target="_blank" href={docURL} data-cy="docs"><i class="fas fa-book mr-1" />Docs</a>
-					</button>
 				</div>
 
-				<Editor on:update={updateHandler} {language} {text} />
+				<Editor on:update={updateHandler} {language} bind:text {errorMarkers} />
 			</Card>
 
 			<div class="-mt-2">
@@ -187,22 +216,11 @@
 		<div id="resizeHandler" class="hidden md:block" />
 		<div class="flex-1 flex flex-col overflow-hidden">
 			<Card title="Diagram" isCloseable={false}>
-				<div slot="actions" class="flex flex-row items-center">
+				<button
-					<label class="cursor-pointer label py-0" for="panZoom">
+					slot="actions"
-						<span>Pan & Zoom</span>
+					class="btn btn-secondary btn-xs"
-						<input
+					title="View diagram in new page"
-							type="checkbox"
+					on:click|stopPropagation={() => viewDiagram()}><i class="far fa-eye mr-1" />View</button>
-							class="toggle {$stateStore.panZoom ? 'btn-secondary' : 'toggle-primary'} ml-1"
-							id="panZoom"
-							bind:checked={$inputStateStore.panZoom} />
-					</label>
-					<a
-						href={`${base}/view#${$stateStore.serialized}`}
-						target="_blank"
-						class="btn btn-secondary btn-xs"
-						title="View diagram in new page"
-						><i class="fas fa-external-link-alt mr-1" />Full screen</a>
-				</div>
 
 				<div class="flex-1 overflow-auto">
 					<View />

src/routes/manifest.json.ts

@@ -0,0 +1,28 @@
+import { base } from '$app/paths';
+export const get = (): { body: unknown } => {
+	return {
+		body: {
+			short_name: 'Mermaid',
+			name: 'Mermaid Live Editor',
+			icons: [
+				{
+					src: `${base}/icon-192.png`,
+					type: 'image/png',
+					sizes: '192x192'
+				},
+				{
+					src: `${base}/icon-512.png`,
+					type: 'image/png',
+					sizes: '512x512'
+				}
+			],
+			start_url: `${base}/edit/`,
+			background_color: '#6366F1',
+			display: 'standalone',
+			scope: `${base}/edit/`,
+			theme_color: '#6366F1',
+			description: 'FlowChart & Diagrams Editor.',
+			orientation: 'landscape'
+		}
+	};
+};

src/routes/manifest.json/+server.ts

@@ -1,29 +0,0 @@
-import { json } from '@sveltejs/kit';
-import { base } from '$app/paths';
-import type { RequestHandler } from './$types';
-
-export const GET: RequestHandler = () => {
-	return json({
-		short_name: 'Mermaid',
-		name: 'Mermaid Live Editor',
-		icons: [
-			{
-				src: `${base}/icon-192.png`,
-				type: 'image/png',
-				sizes: '192x192'
-			},
-			{
-				src: `${base}/icon-512.png`,
-				type: 'image/png',
-				sizes: '512x512'
-			}
-		],
-		start_url: `${base}/edit/`,
-		background_color: '#6366F1',
-		display: 'standalone',
-		scope: `${base}/edit/`,
-		theme_color: '#6366F1',
-		description: 'FlowChart & Diagrams Editor.',
-		orientation: 'landscape'
-	});
-};

src/tests/setup.ts

@@ -1,11 +0,0 @@
-import matchers from '@testing-library/jest-dom/matchers';
-import { expect, beforeAll, vi } from 'vitest';
-
-expect.extend(matchers);
-
-// TODO: Remove once https://github.com/sveltejs/kit/issues/6259 is closed.
-beforeAll(() => {
-	vi.mock('$app/env', () => ({
-		browser: 'window' in globalThis
-	}));
-});

svelte.config.js

@@ -20,8 +20,9 @@ const config = {
 			  }
 			: {},
 		trailingSlash: 'ignore',
-		prerender: {
+		vite: {
-			default: true
+			envPrefix: 'MERMAID_',
+			optimizeDeps: { include: ['mermaid'] }
 		}
 	}
 };

tsconfig.json

@@ -7,10 +7,5 @@
 		"cypress/**/*.js",
 		"static/**/*.js"
 	],
-	"compilerOptions": {
-		"resolveJsonModule": true,
-		"allowSyntheticDefaultImports": true,
-		"types": ["vitest/importMeta"]
-	},
 	"extends": "./.svelte-kit/tsconfig.json"
 }

vite.config.js

@@ -1,29 +0,0 @@
-import { sveltekit } from '@sveltejs/kit/vite';
-/** @type {import('vite').UserConfig} */
-const config = {
-	plugins: [sveltekit()],
-	envPrefix: 'MERMAID_',
-	optimizeDeps: { include: ['mermaid'] },
-	ssr: {
-		noExternal: ['@macfja/svelte-persistent-store']
-	},
-	server: {
-		port: 3000,
-		host: true
-	},
-	preview: {
-		port: 3000,
-		host: true
-	},
-	test: {
-		environment: 'jsdom',
-		// in-source testing
-		includeSource: ['src/**/*.{js,ts,svelte}'],
-		setupFiles: ['./src/tests/setup.ts'],
-		coverage: {
-			exclude: ['src/mocks', '.svelte-kit', 'src/**/*.test.ts'],
-			reporter: ['text', 'json', 'html', 'lcov']
-		}
-	}
-};
-export default config;