fix store

* sidv/historyDownlod:
  Metrics
  Tests
  Increase retries
  Temp fix for vite bug
  Update sk
  Update Browserslist
  chore(deps): bump node from 18.7.0 to 18.8.0
  chore(deps-dev): bump @typescript-eslint/eslint-plugin
  chore(deps-dev): bump typescript from 4.7.4 to 4.8.2
  feat: Upload history
  Fix #968 : Ability to download and upload history
  chore(deps): bump daisyui from 2.22.0 to 2.24.0

.eslintrc.cjs

@@ -44,7 +44,6 @@ module.exports = {
 		],
 		'@typescript-eslint/no-unsafe-member-access': 'off',
 		'@typescript-eslint/no-unsafe-assignment': 'off',
-		'es/no-regexp-lookbehind-assertions': 'error',
+		'es/no-regexp-lookbehind-assertions': 'error'
-		curly: ['error', 'all']
 	}
 };

.github/workflows/update-browserlist.yml

@@ -1,9 +1,10 @@
 name: Update Browserslist
 on:
+  workflow_dispatch:
   push:
-    branches-ignore:
+    branches:
-      - 'develop'
+      - develop
-      - 'master'
+
 jobs:
   build:
     runs-on: ubuntu-latest

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

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v2
         with:
           node-version: 18
       - name: Update monaco version

.vscode/settings.json

@@ -1,9 +1,4 @@
 {
 	"editor.formatOnSave": true,
-	"cSpell.words": ["pako", "Serde", "serdes"],
+	"cSpell.words": ["pako", "Serde", "serdes"]
-	"vitest.commandLine": "yarn test:unit",
-	"vitest.enable": true,
-	"testing.autoRun.mode": "rerun",
-	"svelte.enable-ts-plugin": true,
-	"githubPullRequests.ignoredPullRequestBranches": ["develop"]
 }

Dockerfile

@@ -6,7 +6,7 @@
 # Stop               : press ctrl + c 
 #                                     or 
 #                                        docker stop mermaid-live-editor
-FROM node:18.11.0 as mermaid-live-editor-builder 
+FROM node:18.8.0 as mermaid-live-editor-builder 
 COPY --chown=node:node . /home
 WORKDIR /home
 RUN yarn install

cypress/e2e/actions.spec.ts

@@ -1,8 +1,9 @@
-import { verifyFileSize } from './util';
+import { disableDebounce, verifyFileSize } from './util';
 describe('Check actions', () => {
 	beforeEach(() => {
 		cy.clearLocalStorage();
 		cy.visit('/edit');
+		disableDebounce();
 	});
 
 	it('should update markdown code', () => {
@@ -35,7 +36,7 @@ describe('Check actions', () => {
 
 		// Verify downloaded file is different for different diagrams
 		cy.contains('Sample Diagrams').click();
-		cy.contains('ER').click();
+		cy.contains('ER Diagram').click();
 
 		cy.get(`#downloadPNG`).click();
 		verifyFileSize('diagram', 'png', 46_000);

cypress/e2e/diagramUpdate.spec.ts

@@ -1,18 +1,17 @@
-import { getEditor, cmd } from './util';
+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');
-		cy.get('#view').should('not.contain.text', 'Diagram out of sync.');
 		getEditor().type('  C --> Test');
 		cy.get('#view').should('have.class', 'outOfSync');
-		cy.get('#view').should('contain.text', 'Diagram out of sync.');
 		cy.getLocalStorage('codeStore').snapshot();
 	});
 
@@ -21,9 +20,7 @@ describe('Auto sync tests', () => {
 		cy.get('#view').should('not.have.class', 'outOfSync');
 		getEditor().type('  C --> Test');
 		cy.get('#view').should('have.class', 'outOfSync');
-		cy.get('#view').should('contain.text', 'Diagram out of sync.');
 		getEditor().type(`${cmd}{enter}`);
-		cy.get('#view').should('not.contain.text', 'Diagram out of sync.');
 		cy.get('#view').should('not.have.class', 'outOfSync');
 	});
 
@@ -75,6 +72,7 @@ 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');

cypress/e2e/docMap.spec.ts

@@ -13,13 +13,13 @@ describe('Editor docs tests', () => {
 	});
 
 	it('Test to see if the correct URL loads when changing from one diagram to other', () => {
-		cy.contains('Flow').click();
+		cy.contains('Flow Chart').click();
 		cy.get(`[data-cy=docs][href$="/#/flowchart"]`).should('exist');
 
 		cy.contains('Config').click();
 		cy.get(`[data-cy=docs][href$="/#/flowchart?id=configuration"]`).should('exist');
 
-		cy.contains('Sequence').click();
+		cy.contains('Sequence Diagram').click();
 		cy.get(`[data-cy=docs][href$="/#/sequenceDiagram?id=configuration"]`).should('exist');
 
 		cy.contains('Code').click();
@@ -27,7 +27,7 @@ describe('Editor docs tests', () => {
 	});
 
 	it("Test to check URLs for a case where config URL doesn't exist", () => {
-		cy.contains('State').click();
+		cy.contains('State Diagram').click();
 		cy.get(`[data-cy=docs][href$="/#/stateDiagram"]`).should('exist');
 
 		cy.contains('Config').click();

cypress/e2e/history.spec.ts

@@ -1,11 +1,11 @@
-import { getEditor, verifyFileSnapshot } from './util';
+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();
 	});
@@ -17,11 +17,11 @@ describe('Save History', () => {
 	it('should load history from localstorage', () => {
 		cy.setLocalStorage(
 			'manualHistoryStore',
-			'[{"state":{"code":"graph TD\\n    A[Halloween] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":false},"time":0,"type":"manual","id":"d7ea820e-21dd-418a-b984-fd58acde09df","name":"hollow-art"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":true},"time":0,"type":"manual","id":"b749ffc6-522b-4a44-86cf-7c1ffc3146b3","name":"helpful-ocean"}]'
+			'[{"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}","autoSync":true,"updateDiagram":false},"time":0,"type":"auto","id":"69ea820e-522b-4a44-86cf-fd58acde09df","name":"barking-dog"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":true},"time":0,"type":"manual","id":"x749ffc6-21dd-418a-b984-7c1ffc3146b3","name":"needy-mosquito"}]'
+			'[{"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();

cypress/e2e/loadSite.spec.ts

@@ -1,9 +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.url().should('include', '/edit');
@@ -20,9 +22,9 @@ describe('Site Loads', () => {
 
 	it('should load sample diagrams when clicked', () => {
 		cy.contains('Sample Diagrams').click();
-		cy.contains('Pie').click();
+		cy.contains('Pie Chart').click();
 		cy.contains('pie title Pets adopted by volunteers');
-		cy.contains('Class').click();
+		cy.contains('Class Diagram').click();
 		cy.contains('classDiagram');
 	});
 
@@ -58,7 +60,7 @@ describe('Site Loads', () => {
 	// Disabled temporarily. Should be enabled after the issue is fixed in Mermaid.
 	// it('should prevent setting the "securityLevel" option via URL', () => {
 	// 	const b64State = toBase64(
-	// 		`{"code":"graph TD\\nA[\\"<img src='https://via.placeholder.com/64' width=64 />\\"]","mermaid":"{\\"securityLevel\\": \\"loose\\", \\"theme\\": \\"forest\\"}","autoSync":true,"updateDiagram":true}`,
+	// 		`{"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', () => true);
@@ -73,7 +75,7 @@ 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\\"}","autoSync":true,"updateDiagram":true}`,
+			`{"code":"graph TD\\nA[\\"<img src='https://dummyimage.com/64' width=64/>\\"]","mermaid":"{\\"securityLevel\\": \\"loose\\", \\"theme\\": \\"forest\\"}","updateEditor":true,"autoSync":true,"updateDiagram":true}`,
 			true
 		);
 		cy.on('window:confirm', () => false);

cypress/e2e/util.ts

@@ -8,6 +8,8 @@ export const getEditor = ({ bottom = true, newline = false } = {}) =>
 		.type(`${bottom ? '{pageDown}' : cmd}`)
 		.type(`${newline ? '{enter}' : cmd}`);
 
+export const disableDebounce = () => cy.setLocalStorage('noDebounce', 'true');
+
 const downloadsFolder = Cypress.config('downloadsFolder');
 
 export const verifyFileSize = (

cypress/snapshots.js

@@ -1,28 +1,28 @@
 module.exports = {
   "Site Loads": {
     "Check Home page load": {
-      "1": "{\"code\":\"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)\\n    B --> C{Let me think}\\n    C -->|One| D[Laptop]\\n    C -->|Two| E[iPhone]\\n    C -->|Three| F[fa:fa-car Car]\\n  \",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"default\\\"\\n}\",\"autoSync\":true,\"updateDiagram\":true}"
+      "1": "{\"code\":\"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)\\n    B --> C{Let me think}\\n    C -->|One| D[Laptop]\\n    C -->|Two| E[iPhone]\\n    C -->|Three| F[fa:fa-car Car]\\n  \",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"default\\\"\\n}\",\"updateEditor\":true,\"autoSync\":true,\"updateDiagram\":true}"
     },
     "Check Redirect from old URL": {
-      "1": "{\"code\":\"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)\\n    B --> C{Let me think}\\n    C -->|One| D[Laptop]\\n    C -->|Two| E[iPhone]\\n    C -->|Three| F[fa:fa-car Car]\",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"default\\\"\\n}\",\"autoSync\":true,\"updateDiagram\":true}"
+      "1": "{\"code\":\"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)\\n    B --> C{Let me think}\\n    C -->|One| D[Laptop]\\n    C -->|Two| E[iPhone]\\n    C -->|Three| F[fa:fa-car Car]\",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"default\\\"\\n}\",\"updateEditor\":false,\"autoSync\":true,\"updateDiagram\":true}"
     },
     "should load diagram from gist": {
-      "1": "{\"code\":\"graph TD\\n    A[Party] -->|Get money| B(Go shopping!!)\\n    \",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"forest\\\",\\n  \\\"test\\\": \\\"hello world\\\"\\n}\",\"autoSync\":true,\"updateDiagram\":true,\"loader\":{\"type\":\"gist\",\"config\":{\"url\":\"https://gist.github.com/sidharthv96/6268a23e673a533dcb198f241fd7012a\"}}}"
+      "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\":\"gist\",\"config\":{\"url\":\"https://gist.github.com/sidharthv96/6268a23e673a533dcb198f241fd7012a\"}}}"
     },
     "should load diagram from gist revision": {
-      "1": "{\"code\":\"graph TD\\n    A[Party] -->|Get money| B(Go shopping)\\n    \",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"forest\\\",\\n  \\\"test\\\": \\\"hello\\\"\\n}\",\"autoSync\":true,\"updateDiagram\":true,\"loader\":{\"type\":\"gist\",\"config\":{\"url\":\"https://gist.github.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/ec9b4ab0e41e4ff6287326cd3cb47affd7851e19\"}}}"
+      "1": "{\"code\":\"graph TD\\n    A[Party] -->|Get money| B(Go shopping)\\n    \",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"forest\\\",\\n  \\\"test\\\": \\\"hello\\\"\\n}\",\"updateEditor\":false,\"autoSync\":true,\"updateDiagram\":true,\"loader\":{\"type\":\"gist\",\"config\":{\"url\":\"https://gist.github.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/ec9b4ab0e41e4ff6287326cd3cb47affd7851e19\"}}}"
     },
     "should load diagram from raw files": {
-      "1": "{\"code\":\"graph TD\\n    A[Party] -->|Get money| B(Go shopping!!)\\n    \",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"forest\\\",\\n  \\\"test\\\": \\\"hello world\\\"\\n}\",\"autoSync\":true,\"updateDiagram\":true,\"loader\":{\"type\":\"files\",\"config\":{\"codeURL\":\"https://gist.githubusercontent.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/raw/4eb03887e6a41397e80bdcdbf94017c498f8f1e2/code.mmd\",\"configURL\":\"https://gist.githubusercontent.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/raw/4eb03887e6a41397e80bdcdbf94017c498f8f1e2/config.json\"}}}"
+      "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": "10.10.0",
+  "__version": "10.6.0",
   "Auto sync tests": {
     "should dim diagram when code is edited": {
-      "1": "{\"code\":\"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)\\n    B --> C{Let me think}\\n    C -->|One| D[Laptop]\\n    C -->|Two| E[iPhone]\\n    C -->|Three| F[fa:fa-car Car]\\n    C --> Test\",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"default\\\"\\n}\",\"autoSync\":false,\"updateDiagram\":false}"
+      "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}"
     },
     "should not dim diagram when code is in sync": {
-      "1": "{\"code\":\"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)\\n    B --> C{Let me think}\\n    C -->|One| D[Laptop]\\n    C -->|Two| E[iPhone]\\n    C -->|Three| F[fa:fa-car Car]\\n    C --> Testing\",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"default\\\"\\n}\",\"autoSync\":true,\"updateDiagram\":false}"
+      "1": "{\"code\":\"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)\\n    B --> C{Let me think}\\n    C -->|One| D[Laptop]\\n    C -->|Two| E[iPhone]\\n    C -->|Three| F[fa:fa-car Car]\\n    C --> Testing\",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"default\\\"\\n}\",\"updateEditor\":false,\"autoSync\":true,\"updateDiagram\":false}"
     }
   },
   "Test themes": {

package.json

@@ -5,8 +5,6 @@
 	"license": "MIT",
 	"scripts": {
 		"dev": "vite dev",
-		"dev:force": "MERMAID_LOCAL=true yarn dev --force",
-		"dev:test": "yarn dev",
 		"build": "vite build",
 		"preview": "vite preview",
 		"lint": "prettier --check --cache --plugin-search-dir=. .;eslint --ignore-path .gitignore .",
@@ -23,62 +21,63 @@
 	},
 	"devDependencies": {
 		"@cypress/snapshot": "2.1.7",
-		"@sveltejs/adapter-static": "1.0.0-next.44",
+		"@sveltejs/adapter-static": "1.0.0-next.39",
-		"@sveltejs/kit": "1.0.0-next.516",
+		"@sveltejs/kit": "1.0.0-next.442",
 		"@testing-library/jest-dom": "5.16.5",
-		"@testing-library/svelte": "3.2.2",
+		"@testing-library/svelte": "3.2.1",
-		"@types/async": "^3.2.15",
+		"@types/mermaid": "8.2.9",
-		"@types/pako": "2.0.0",
+		"@types/pako": "1.0.3",
-		"@types/uuid": "8.3.4",
+		"@types/uuid": "^8.3.4",
-		"@typescript-eslint/eslint-plugin": "5.40.1",
+		"@typescript-eslint/eslint-plugin": "5.35.1",
-		"@typescript-eslint/parser": "5.40.1",
+		"@typescript-eslint/parser": "5.34.0",
-		"@vitest/ui": "0.24.3",
+		"@vitest/ui": "0.22.1",
-		"autoprefixer": "10.4.12",
+		"autoprefixer": "10.4.8",
 		"c8": "7.12.0",
 		"chai": "4.3.6",
 		"cssnano": "5.1.13",
-		"cy-verify-downloads": "0.1.11",
+		"cy-verify-downloads": "0.1.8",
-		"cypress": "10.10.0",
+		"cypress": "10.6.0",
-		"cypress-localstorage-commands": "2.2.1",
+		"cypress-localstorage-commands": "2.2.0",
-		"eslint": "8.25.0",
+		"eslint": "8.22.0",
 		"eslint-config-prettier": "8.5.0",
 		"eslint-plugin-cypress": "2.12.1",
 		"eslint-plugin-es": "4.1.0",
 		"eslint-plugin-postcss-modules": "2.0.0",
 		"eslint-plugin-svelte3": "4.0.0",
-		"eslint-plugin-tailwindcss": "3.6.2",
+		"eslint-plugin-tailwindcss": "3.6.0",
-		"eslint-plugin-vitest": "0.0.11",
+		"eslint-plugin-vitest": "0.0.8",
-		"esserializer": "1.3.2",
 		"husky": "8.0.1",
-		"jsdom": "20.0.1",
+		"jsdom": "20.0.0",
 		"lint-staged": "13.0.3",
-		"node-html-parser": "6.1.1",
+		"node-html-parser": "5.4.1",
-		"postcss": "8.4.18",
+		"postcss": "8.4.16",
 		"postcss-load-config": "4.0.1",
 		"prettier": "2.7.1",
-		"prettier-plugin-svelte": "2.8.0",
+		"prettier-plugin-svelte": "2.7.0",
-		"svelte": "3.52.0",
+		"svelte": "3.49.0",
 		"svelte-preprocess": "4.10.7",
 		"tailwindcss": "3.1.8",
 		"tslib": "2.4.0",
-		"typescript": "4.8.4",
+		"typescript": "4.8.2",
-		"vite": "3.1.8",
+		"vite": "3.0.9",
-		"vitest": "0.24.3"
+		"vitest": "0.22.1",
+		"vitest-svelte-kit": "0.0.7"
 	},
 	"dependencies": {
+		"@analytics/google-analytics": "1.0.3",
+		"@macfja/svelte-persistent-store": "2.0.0",
 		"analytics": "0.8.1",
-		"analytics-plugin-plausible": "0.0.6",
+		"analytics-plugin-plausible": "^0.0.6",
-		"async": "^3.2.4",
+		"daisyui": "2.24.0",
-		"daisyui": "2.31.0",
 		"js-base64": "3.7.2",
-		"mermaid": "9.2.0-rc6",
+		"mermaid": "9.1.6",
 		"moment": "2.29.4",
-		"monaco-editor": "0.34.1",
+		"monaco-editor": "0.34.0",
 		"monaco-mermaid": "1.0.6",
 		"pako": "2.0.4",
 		"random-word-slugs": "0.1.6",
-		"svg-pan-zoom": "3.6.1",
+		"svg-pan-zoom": "^3.6.1",
-		"uuid": "9.0.0"
+		"uuid": "^8.3.2"
 	},
 	"lint-staged": {
 		"*.{ts,svelte,js,css,md,json}": [
@@ -88,7 +87,7 @@
 	},
 	"volta": {
 		"node": "18.5.0",
-		"yarn": "1.22.19"
+		"yarn": "1.22.10"
 	},
 	"engines": {
 		"node": ">=16.7"

renovate.json

@@ -14,6 +14,10 @@
 		{
 			"matchUpdateTypes": ["minor", "patch", "pin", "digest"],
 			"automerge": true
+		},
+		{
+			"matchDatasources": ["npm"],
+			"stabilityDays": 3
 		}
 	],
 	"dependencyDashboard": true,

src/app.html

@@ -11,42 +11,40 @@
 		<meta
 			name="description"
 			content="Simplify documentation and avoid heavy tools. Open source Visio Alternative. Commonly used for explaining your code! Mermaid is a simple markdown-like script language for generating charts from text via javascript." />
-		<link rel="icon" type="image/png" href="%sveltekit.assets%/favicon.svg" />
+		<link rel="icon" type="image/png" href="%sveltekit.assets%/favicon.png" />
-		<link rel="mask-icon" href="%sveltekit.assets%/favicon.svg" color="#000000" />
-		<meta name="theme-color" content="#6366F1" />
 		<link rel="manifest" href="%sveltekit.assets%/manifest.json" />
 		<link
 			rel="stylesheet"
-			href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.2.0/css/all.min.css"
+			href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.2/css/all.min.css"
-			integrity="sha512-xh6O/CkQoPOWDdYTDqeRdPCVd1SpvCA9XXcUnZS2FmJNp1coAFzvtCN9BmamE+4aHK8yyUHUSCcJHgXloTyT2A=="
+			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/0.34.1/min/vs/editor/editor.main.min.css"
+			href="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.0/min/vs/editor/editor.main.min.css"
-			integrity="sha512-GzcoZD7y5zvBofYtImXPZaPVhoY7xLPt+ysmbPb/vU+quSKFkcngxaSrxuwprDZL4MALUqGFmnqCxQZqMozv1Q=="
+			integrity="sha512-iQEIc0rsSDujsfjtD+lfyJ1W23Bh/lbgriubKDAym6VlEIDRj9rrbSIyJRyshOrl8s0yRcQ0+gyrZfSLyjJGWQ=="
 			crossorigin="anonymous"
 			referrerpolicy="no-referrer" />
 		<script>
 			var require = {
 				paths: {
-					vs: 'https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.0/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/0.34.1/min/vs/loader.min.js"
+			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.0/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/0.34.1/min/vs/editor/editor.main.nls.min.js"
+			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.0/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/0.34.1/min/vs/editor/editor.main.js"
+			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.34.0/min/vs/editor/editor.main.js"
-			integrity="sha512-BtSZPhzoyN8kq1axY6cgOFPSgLJgFwvAZ3WxeDGxEFXeFcFuK2s7Hr+zF75npVHASUY1dxudAfIVzwmgdR89Bw=="
+			integrity="sha512-TTPQbVI87mnVMV+1KbkKJ8vdQ4QqqbKyuTtJ9wQD8CqnwQLSQgXH7MWOQ88VO7pRzxWhqI1vYDeEV651sAH4ig=="
 			crossorigin="anonymous"
 			referrerpolicy="no-referrer"></script>
 		%sveltekit.head%

src/env.d.ts

@@ -1,14 +0,0 @@
-/// <reference types="vite/client" />
-
-interface ImportMetaEnv {
-	readonly MERMAID_RENDERER_URL: string;
-	readonly MERMAID_KROKI_RENDERER_URL: string;
-	readonly MERMAID_CDN_URL: string;
-	readonly MERMAID_BASE_URL: string;
-	readonly MERMAID_LOCAL: boolean;
-	// more env variables...
-}
-
-interface ImportMeta {
-	readonly env: ImportMetaEnv;
-}

src/hooks.ts

@@ -1,6 +1,9 @@
 import type { Handle } from '@sveltejs/kit';
 
 export const handle: Handle = async ({ event, resolve }) => {
-	const response = await resolve(event, {});
+	const response = await resolve(event, {
+		ssr: false
+	});
+
 	return response;
 };

src/lib/components/actions.svelte

@@ -1,13 +1,12 @@
 <script lang="ts">
-	import { browser } from '$app/environment';
+	import { browser } from '$app/env';
 	import Card from '$lib/components/card/card.svelte';
-	import { env } from '$lib/util/env';
+	import { krokiRendererUrl, rendererUrl } from '$lib/util/env';
 	import { pakoSerde } from '$lib/util/serde';
 	import { stateStore } from '$lib/util/state';
 	import { logEvent } from '$lib/util/stats';
 	import { toBase64 } from 'js-base64';
 	import moment from 'moment';
-	const { krokiRendererUrl, rendererUrl } = env;
 
 	type Exporter = (context: CanvasRenderingContext2D, image: HTMLImageElement) => () => void;
 
@@ -116,19 +115,19 @@
 
 	const onCopyClipboard = (event: Event) => {
 		exportImage(event, clipboardCopy);
-		logEvent('copyClipboard');
+		void logEvent('copyClipboard');
 	};
 
 	const onDownloadPNG = (event: Event) => {
 		exportImage(event, downloadImage);
-		logEvent('download', {
+		void logEvent('download', {
 			type: 'png'
 		});
 	};
 
 	const onDownloadSVG = () => {
 		simulateDownload(getFileName('svg'), `data:image/svg+xml;base64,${getBase64SVG()}`);
-		logEvent('download', {
+		void logEvent('download', {
 			type: 'svg'
 		});
 	};
@@ -136,7 +135,7 @@
 	const onCopyMarkdown = () => {
 		(document.getElementById('markdown') as HTMLInputElement).select();
 		document.execCommand('Copy');
-		logEvent('copyMarkdown');
+		void logEvent('copyMarkdown');
 	};
 
 	let gistURL = '';
@@ -152,7 +151,7 @@
 			alert('Please enter a Gist URL first');
 		}
 		window.location.href = `${window.location.pathname}?gist=${gistURL}`;
-		logEvent('loadGist');
+		void logEvent('loadGist');
 	};
 
 	let iUrl: string;
@@ -167,7 +166,7 @@
 		isNetlify = true;
 	}
 	stateStore.subscribe(({ code, serialized }) => {
-		iUrl = `${rendererUrl}/img/${serialized}?type=png`;
+		iUrl = `${rendererUrl}/img/${serialized}`;
 		svgUrl = `${rendererUrl}/svg/${serialized}`;
 		krokiUrl = `${krokiRendererUrl}/mermaid/svg/${pakoSerde.serialize(code)}`;
 		mdCode = `[![](${iUrl})](${window.location.protocol}//${window.location.host}${window.location.pathname}#${serialized})`;
@@ -181,24 +180,26 @@
 				><i class="far fa-copy mr-2" /> Copy Image to clipboard
 			</button>
 		{/if}
-		<button id="downloadPNG" class="action-btn flex-grow" on:click={onDownloadPNG}>
+		<button id="downloadPNG" class="action-btn flex-auto" on:click={onDownloadPNG}>
 			<i class="fas fa-download mr-2" /> PNG
 		</button>
-		<button id="downloadSVG" class="action-btn flex-grow" on:click={onDownloadSVG}>
+		<button id="downloadSVG" class="action-btn flex-auto" on:click={onDownloadSVG}>
 			<i class="fas fa-download mr-2" /> SVG
 		</button>
-		<a target="_blank" rel="noreferrer" class="flex-grow" href={iUrl}>
+		<a target="_blank" href={iUrl}>
-			<button class="action-btn w-full">
+			<button class="action-btn flex-auto">
 				<i class="fas fa-external-link-alt mr-2" /> PNG
 			</button>
 		</a>
-		<a target="_blank" rel="noreferrer" class="flex-grow" href={svgUrl}>
+
-			<button class="action-btn w-full">
+		<a target="_blank" href={svgUrl}>
+			<button class="action-btn flex-auto">
 				<i class="fas fa-external-link-alt mr-2" /> SVG
 			</button>
 		</a>
-		<a target="_blank" rel="noreferrer" class="flex-grow" href={krokiUrl}>
+
-			<button class="action-btn w-full">
+		<a target="_blank" href={krokiUrl}>
+			<button class="action-btn flex-auto">
 				<i class="fas fa-external-link-alt mr-2" /> Kroki
 			</button>
 		</a>

src/lib/components/card/card.svelte

@@ -5,7 +5,6 @@
 	export let isCloseable = true;
 	export let isOpen = true;
 	export let tabs: Tab[] = [];
-	export let activeTabID: string = '';
 	export let title: string;
 	$: isOpen = isCloseable ? isOpen : true;
 	$: isTabsShown = isOpen && tabs.length > 0;
@@ -14,10 +13,9 @@
 <div class="card rounded overflow-hidden m-2 flex-grow flex flex-col shadow-2xl">
 	<div
 		class="bg-primary p-2 {isTabsShown ? 'pb-0' : ''} flex-none cursor-pointer"
-		on:click={() => (isOpen = !isOpen)}
+		on:click={() => (isOpen = !isOpen)}>
-		on:keypress={() => (isOpen = !isOpen)}>
 		<div class="flex justify-between">
-			<Tabs on:select {tabs} bind:isOpen {title} {isCloseable} {activeTabID} />
+			<Tabs on:select {tabs} bind:isOpen {title} {isCloseable} />
 			<div class="flex gap-x-4 items-center {isTabsShown ? '-mt-2' : ''}">
 				<slot name="actions" />
 			</div>

src/lib/components/card/tabs.svelte

@@ -3,14 +3,12 @@
 	import { createEventDispatcher } from 'svelte';
 	import { fade } from 'svelte/transition';
 	export let isCloseable = true;
-	export let tabs: Tab[];
+	export let tabs: Tab[] = [];
 	export let title: string;
 	export let isOpen = false;
-	export let activeTabID: string;
 
-	if (!activeTabID && tabs.length > 0) {
+	$: activeTabID = tabs[0]?.id;
-		activeTabID = tabs[0].id;
+
-	}
 	const dispatch = createEventDispatcher<TabEvents>();
 	const toggleTabs = (tab: Tab) => {
 		activeTabID = tab.id;
@@ -19,10 +17,7 @@
 </script>
 
 <div class="flex cursor-default">
-	<span
+	<span class="mr-2 font-semibold" on:click|stopPropagation={() => (isOpen = !isOpen)}>
-		class="mr-2 font-semibold"
-		on:click|stopPropagation={() => (isOpen = !isOpen)}
-		on:keypress|stopPropagation={() => (isOpen = !isOpen)}>
 		{#if isCloseable}
 			<i class="fas fa-chevron-right icon" class:isOpen />
 		{/if}
@@ -32,8 +27,7 @@
 			{#each tabs as tab}
 				<div
 					class="tab tab-lifted {activeTabID === tab.id ? 'tab-active' : 'text-primary-content'}"
-					on:click|stopPropagation={() => toggleTabs(tab)}
+					on:click|stopPropagation={() => toggleTabs(tab)}>
-					on:keypress|stopPropagation={() => toggleTabs(tab)}>
 					<i class="mr-1 {tab.icon}" />
 					{tab.title}
 				</div>

src/lib/components/editor.svelte

@@ -1,78 +1,75 @@
 <script lang="ts">
-	import type { EditorMode } from '$lib/types';
+	import type { EditorEvents } from '$lib/types';
-	import { stateStore, updateCode, updateConfig } from '$lib/util/state';
+	import { stateStore } from '$lib/util/state';
 	import { themeStore } from '$lib/util/theme';
 	import { syncDiagram } from '$lib/util/util';
 	import type monaco from 'monaco-editor';
-	import { onMount } from 'svelte';
+	import { createEventDispatcher, onMount } from 'svelte';
 	import initEditor from 'monaco-mermaid';
 	import { logEvent } from '$lib/util/stats';
 
 	let divEl: HTMLDivElement = null;
 	let editor: monaco.editor.IStandaloneCodeEditor;
-	let Monaco: typeof monaco;
+	let Monaco;
-	let editorOptions: monaco.editor.IStandaloneEditorConstructionOptions = {
+
+	export let text: string;
+	export let language: string;
+	export let editorOptions: monaco.editor.IStandaloneEditorConstructionOptions = {
+		value: text,
+		language: language,
 		minimap: {
 			enabled: false
 		},
 		theme: 'mermaid',
 		overviewRulerLanes: 0
 	};
-	let text = '';
+	let oldText = text;
+	$: editor && Monaco?.editor.setModelLanguage(editor.getModel(), language);
 
-	stateStore.subscribe(({ errorMarkers, editorMode, code, mermaid }) => {
+	const handleTextUpdate = (newText: string) => {
-		if (!editor) return;
+		if (newText !== oldText) {
-
+			if ($stateStore.updateEditor) {
-		// Update editor text if it's different
+				editor?.setValue(newText);
-		const newText = editorMode === 'code' ? code : mermaid;
+			}
-		if (newText !== text) {
+			oldText = newText;
-			editor.setValue(newText);
-			text = newText;
 		}
+		editor && Monaco?.editor.setModelMarkers(editor.getModel(), 'test', $stateStore.errorMarkers);
+	};
 
-		// Update editor mode if it's different
+	$: handleTextUpdate(text);
-		const language = editorMode === 'code' ? 'mermaid' : 'json';
-		if (editor.getModel().getLanguageId() !== language) {
-			Monaco?.editor.setModelLanguage(editor.getModel(), language);
-		}
-
-		// Display/clear errors
-		Monaco?.editor.setModelMarkers(editor.getModel(), 'mermaid', errorMarkers);
-	});
 
 	themeStore.subscribe(({ isDark }) => {
 		editor && Monaco?.editor.setTheme(isDark ? 'mermaid-dark' : 'mermaid');
 	});
 
-	const handleUpdate = (text: string, mode: EditorMode) => {
+	const dispatch = createEventDispatcher<EditorEvents>();
-		if (mode === 'code') {
-			updateCode(text);
-		} else {
-			updateConfig(text);
-		}
-	};
-
 	const loadMonaco = async () => {
-		console.log('Loading Monaco...');
 		let i = 0;
-		while (i++ < 500) {
+		while (i++ < 10) {
-			// @ts-ignore : This is a hack to handle a svelte-kit error when importing monaco.
+			try {
-			Monaco = window.monaco;
+				// @ts-ignore : This is a hack to handle a svelte-kit error when importing monaco.
-			if (Monaco !== undefined) {
+				Monaco = monaco;
 				return;
+			} catch {
+				await new Promise((r) => setTimeout(r, 500));
 			}
-			await new Promise((r) => setTimeout(r, 100));
 		}
 		alert('Loading Monaco Editor failed. Please try refreshing the page.');
 	};
-
 	onMount(async () => {
-		await loadMonaco(); // Fix https://github.com/mermaid-js/mermaid-live-editor/issues/175
+		try {
+			// @ts-ignore : This is a hack to handle a svelte-kit error when importing monaco.
+			Monaco = monaco;
+		} catch {
+			await loadMonaco(); // Fix https://github.com/mermaid-js/mermaid-live-editor/issues/175
+		}
 		initEditor(Monaco);
 		editor = Monaco.editor.create(divEl, editorOptions);
 		editor.onDidChangeModelContent(() => {
-			text = editor.getValue();
+			oldText = editor.getValue();
-			handleUpdate(text, $stateStore.editorMode);
+			dispatch('update', {
+				text: oldText
+			});
 		});
 		editor.addAction({
 			id: 'mermaid-render-diagram',
@@ -80,7 +77,7 @@
 			keybindings: [Monaco.KeyMod.CtrlCmd | Monaco.KeyCode.Enter],
 			run: function () {
 				syncDiagram();
-				logEvent('renderDiagram', {
+				void logEvent('renderDiagram', {
 					method: 'keyboadShortcut'
 				});
 			}

src/lib/components/history/history.svelte

@@ -90,7 +90,7 @@
 	};
 
 	const restoreHistoryItem = (state: State): void => {
-		inputStateStore.set({ ...state, updateDiagram: true });
+		inputStateStore.set({ ...state, updateEditor: true, updateDiagram: true });
 	};
 
 	const relativeTime = (time: number) => {
@@ -161,7 +161,6 @@
 									<a
 										href={url}
 										target="_blank"
-										rel="noreferrer"
 										title="Open revision in new tab"
 										class="hover:underline text-blue-500">{name}</a>
 								{:else}

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

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

src/lib/components/history/history.ts

@@ -1,6 +1,6 @@
 import { derived, writable, get } from 'svelte/store';
 import type { Readable, Writable } from 'svelte/store';
-import { persist, localStorage } from '$lib/util/persist';
+import { persist, createLocalStorage } from '@macfja/svelte-persistent-store';
 import { generateSlug } from 'random-word-slugs';
 import type { HistoryEntry, HistoryType, Optional } from '$lib/types';
 import { v4 as uuidV4 } from 'uuid';
@@ -10,19 +10,19 @@ const MAX_AUTO_HISTORY_LENGTH = 30;
 
 export const historyModeStore: Writable<HistoryType> = persist(
 	writable('manual'),
-	localStorage(),
+	createLocalStorage(),
 	'autoHistoryMode'
 );
 
 const autoHistoryStore: Writable<HistoryEntry[]> = persist(
 	writable([]),
-	localStorage(),
+	createLocalStorage(),
 	'autoHistoryStore'
 );
 
 const manualHistoryStore: Writable<HistoryEntry[]> = persist(
 	writable([]),
-	localStorage(),
+	createLocalStorage(),
 	'manualHistoryStore'
 );
 

src/lib/components/navbar.svelte

@@ -39,7 +39,7 @@
 	];
 </script>
 
-<div class="navbar shadow-lg bg-primary p-0">
+<div class="navbar mb-2 shadow-lg bg-primary">
 	<div class="flex-1 px-2 mx-2">
 		<span class="text-lg font-bold">
 			<a href="/">Mermaid<span class="text-xs font-thin">v{version}</span> Live Editor</a>
@@ -61,7 +61,7 @@
 		<ul class="lg:flex items-center justify-between text-base pt-4 lg:pt-0">
 			{#each links as { title, href, icon }}
 				<li>
-					<a class="btn btn-ghost" target="_blank" rel="noreferrer" {href}>
+					<a class="btn btn-ghost" target="_blank" {href}>
 						{#if icon}
 							<i class={icon} />
 						{/if}

src/lib/components/preset.svelte

@@ -4,18 +4,19 @@
 	import { logEvent } from '$lib/util/stats';
 
 	const samples = {
-		Flow: `graph TD
+		'Flow Chart': `graph TD
     A[Christmas] -->|Get money| B(Go shopping)
     B --> C{Let me think}
     C -->|One| D[Laptop]
     C -->|Two| E[iPhone]
     C -->|Three| F[fa:fa-car Car]`,
-		Sequence: `sequenceDiagram
+		'Sequence Diagram': `sequenceDiagram
     Alice->>+John: Hello John, how are you?
     Alice->>+John: John, can you hear me?
     John-->>-Alice: Hi Alice, I can hear you!
-    John-->>-Alice: I feel great!`,
+    John-->>-Alice: I feel great!
-		Class: `classDiagram
+            `,
+		'Class Diagram': `classDiagram
     Animal <|-- Duck
     Animal <|-- Fish
     Animal <|-- Zebra
@@ -35,15 +36,17 @@
     class Zebra{
       +bool is_wild
       +run()
-    }`,
+    }
-		State: `stateDiagram-v2
+            `,
+		'State Diagram': `stateDiagram-v2
     [*] --> Still
     Still --> [*]
     Still --> Moving
     Moving --> Still
     Moving --> Crash
-    Crash --> [*]`,
+    Crash --> [*]
-		Gantt: `gantt
+            `,
+		'Gantt Chart': `gantt
     title A Gantt Diagram
     dateFormat  YYYY-MM-DD
     section Section
@@ -51,21 +54,24 @@
     Another task     :after a1  , 20d
     section Another
     Task in sec      :2014-01-12  , 12d
-    another task      : 24d`,
+    another task      : 24d
-		Pie: `pie title Pets adopted by volunteers
+            `,
+		'Pie Chart': `pie title Pets adopted by volunteers
     "Dogs" : 386
     "Cats" : 85
-    "Rats" : 15`,
+    "Rats" : 15
-		ER: `erDiagram
+            `,
-    CUSTOMER }|..|{ DELIVERY-ADDRESS : has
+		'ER Diagram': `erDiagram
-    CUSTOMER ||--o{ ORDER : places
+          CUSTOMER }|..|{ DELIVERY-ADDRESS : has
-    CUSTOMER ||--o{ INVOICE : "liable for"
+          CUSTOMER ||--o{ ORDER : places
-    DELIVERY-ADDRESS ||--o{ ORDER : receives
+          CUSTOMER ||--o{ INVOICE : "liable for"
-    INVOICE ||--|{ ORDER : covers
+          DELIVERY-ADDRESS ||--o{ ORDER : receives
-    ORDER ||--|{ ORDER-ITEM : includes
+          INVOICE ||--|{ ORDER : covers
-    PRODUCT-CATEGORY ||--|{ PRODUCT : contains
+          ORDER ||--|{ ORDER-ITEM : includes
-    PRODUCT ||--o{ ORDER-ITEM : "ordered in"`,
+          PRODUCT-CATEGORY ||--|{ PRODUCT : contains
-		'User Journey': `journey
+          PRODUCT ||--o{ ORDER-ITEM : "ordered in"
+            `,
+		'User Journey': `  journey
     title My working day
     section Go to work
       Make tea: 5: Me
@@ -73,72 +79,37 @@
       Do work: 1: Me, Cat
     section Go home
       Go downstairs: 5: Me
-      Sit down: 3: Me`,
+      Sit down: 3: Me
-		Git: `gitGraph
+      `,
-    commit
+		'Git Graph': `    gitGraph
-    commit
+      commit
-    branch develop
+      commit
-    checkout develop
+      branch develop
-    commit
+      checkout develop
-    commit
+      commit
-    checkout main
+      commit
-    merge develop
+      checkout main
-    commit
+      merge develop
-    commit`,
+      commit
-		Mindmap: `mindmap
+      commit
-  root((mindmap))
+`
-    Origins
-      Long history
-      ::icon(fa fa-book)
-      Popularisation
-        British popular psychology author Tony Buzan
-    Research
-      On effectivness<br/>and features
-      On Automatic creation
-        Uses
-            Creative techniques
-            Strategic planning
-            Argument mapping
-    Tools
-      Pen and paper
-      Mermaid`
 	};
 
 	const loadSampleDiagram = (diagramType: string): void => {
 		updateCode(samples[diagramType], {
 			updateDiagram: true,
+			updateEditor: true,
 			resetPanZoom: true
 		});
-		logEvent('loadSampleDiagram', { diagramType });
+		void logEvent('loadSampleDiagram', { diagramType });
 	};
-
-	// Adding in this array will add an icon to the preset menu
-	const newDiagrams: Array<keyof typeof samples> = ['Mindmap'];
-	const diagramOrder: Array<keyof typeof samples> = [
-		'Sequence',
-		'Flow',
-		'Class',
-		'State',
-		'ER',
-		'Gantt',
-		'User Journey',
-		'Git',
-		'Pie',
-		'Mindmap'
-	];
 </script>
 
 <Card title="Sample Diagrams" isOpen={false}>
-	<div class="flex flex-wrap p-2 gap-2">
+	<div class="flex gap-2 flex-wrap p-2">
-		{#each diagramOrder as sample}
+		{#each Object.keys(samples) as sample}
-			<button
+			<button class="btn btn-primary normal-case btn-sm" on:click={() => loadSampleDiagram(sample)}
-				class="btn btn-sm btn-primary w-28 normal-case flex-grow"
+				>{sample}</button>
-				on:click={() => loadSampleDiagram(sample)}>
-				{sample}
-				{#if newDiagrams.includes(sample)}
-					<span class="ml-2 fa fa-heart" />
-				{/if}
-			</button>
 		{/each}
 	</div>
 </Card>

src/lib/components/theme.svelte

@@ -2,32 +2,31 @@
 	import { setTheme, themeStore } from '$lib/util/theme';
 
 	const themes = [
-		'🌝 light',
+		'🌝  light',
-		'🌚 dark',
+		'🌚  dark',
-		'🧁 cupcake',
+		'🧁  cupcake',
-		'🐝 bumblebee',
+		'🐝  bumblebee',
-		'✳️ emerald',
+		'✳️  emerald',
-		'🏢 corporate',
+		'🏢  corporate',
-		'🌃 synthwave',
+		'🌃  synthwave',
-		'👴 retro',
+		'👴  retro',
-		'🤖 cyberpunk',
+		'🤖  cyberpunk',
-		'🌸 valentine',
+		'🌸  valentine',
-		'🎃 halloween',
+		'🎃  halloween',
-		'🌷 garden',
+		'🌷  garden',
-		'🌲 forest',
+		'🌲  forest',
-		'🐟 aqua',
+		'🐟  aqua',
-		'👓 lofi',
+		'👓  lofi',
-		'🖍 pastel',
+		'🖍  pastel',
-		'🧚‍♀️ fantasy',
+		'🧚‍♀️  fantasy',
-		'📝 wireframe',
+		'📝  wireframe',
-		'🏴 black',
+		'🏴  black',
-		'💎 luxury',
+		'💎  luxury',
-		'🧛‍♂️ dracula'
+		'🧛‍♂️  dracula'
 	];
 </script>
 
 <div class="hidden lg:block dropdown">
-	<!-- svelte-ignore a11y-no-noninteractive-tabindex -->
 	<div tabindex="0" class="btn btn-ghost ">
 		<svg
 			xmlns="http://www.w3.org/2000/svg"
@@ -49,14 +48,10 @@
 	</div>
 	<div
 		class="mt-14 overflow-y-auto shadow-2xl top-px dropdown-content h-96 w-56 bg-base-200 text-base-content">
-		<!-- svelte-ignore a11y-no-noninteractive-tabindex -->
 		<ul tabindex="0" class="p-4 menu compact">
 			{#each themes as theme}
 				<li class={theme.includes($themeStore.theme) ? 'bordered' : ''}>
-					<span
+					<span class="btn btn-ghost justify-start" on:click={() => setTheme(theme)}>{theme}</span>
-						class="btn btn-ghost justify-start"
-						on:click={() => setTheme(theme)}
-						on:keypress={() => setTheme(theme)}>{theme}</span>
 				</li>
 			{/each}
 		</ul>

src/lib/components/view.svelte

@@ -1,12 +1,11 @@
 <script lang="ts">
 	import { inputStateStore, stateStore, updateCodeStore } from '$lib/util/state';
 	import { onMount } from 'svelte';
+	import mermaid from 'mermaid';
 	import panzoom from 'svg-pan-zoom';
-	import type { State, ValidatedState } from '$lib/types';
+	import type { State } from '$lib/types';
 	import { logEvent } from '$lib/util/stats';
-	import { cmdKey } from '$lib/util/util';
+
-	import { render as renderDiagram, init as mermaidInit } from '$lib/util/mermaid';
-	const init = mermaidInit();
 	let code = '';
 	let config = '';
 	let container: HTMLDivElement;
@@ -17,12 +16,16 @@
 	let manualUpdate = true;
 	let panZoomEnabled = $stateStore.panZoom;
 	let pzoom: SvgPanZoom.Instance;
+	let debounce: number;
 
 	const handlePanZoomChange = () => {
 		const pan = pzoom.getPan();
 		const zoom = pzoom.getZoom();
-		updateCodeStore({ pan, zoom });
+		clearTimeout(debounce);
-		logEvent('panZoom');
+		debounce = window.setTimeout(() => {
+			updateCodeStore({ pan, zoom });
+			void logEvent('panZoom');
+		}, 200);
 	};
 
 	const handlePanZoom = (state: State) => {
@@ -50,61 +53,50 @@
 		});
 	};
 
-	const handleStateChange = (state: ValidatedState) => {
+	onMount(() => {
-		if (state.error !== undefined) {
+		stateStore.subscribe((state) => {
-			error = true;
+			if (state.error !== undefined) {
-			return;
+				error = true;
-		}
+				return;
-		error = false;
+			}
-		try {
+			error = false;
-			if (container && state && (state.updateDiagram || state.autoSync)) {
+			try {
-				if (!state.autoSync) {
+				if (container && state && (state.updateDiagram || state.autoSync)) {
-					$inputStateStore.updateDiagram = false;
+					if (!state.autoSync) {
-				}
+						$inputStateStore.updateDiagram = false;
-				outOfSync = false;
+					}
-				manualUpdate = true;
+					outOfSync = false;
-				if (code === state.code && config === state.mermaid && panZoomEnabled === state.panZoom) {
+					manualUpdate = true;
-					// Do not render if there is no change in Code/Config/PanZoom
+					if (code === state.code && config === state.mermaid && panZoomEnabled === state.panZoom) {
-					return;
+						// Do not render if there is no change in Code/Config/PanZoom
-				}
+						return;
-				code = state.code;
+					}
-				config = state.mermaid;
+					code = state.code;
-				panZoomEnabled = state.panZoom;
+					config = state.mermaid;
-				const scroll = view.parentElement.scrollTop;
+					panZoomEnabled = state.panZoom;
-				delete container.dataset.processed;
+					const scroll = view.parentElement.scrollTop;
-				renderDiagram({
+					delete container.dataset.processed;
-					config: Object.assign({}, JSON.parse(state.mermaid)),
+					mermaid.initialize(Object.assign({}, JSON.parse(state.mermaid)));
-					code,
+					mermaid.render('graph-div', code, (svgCode) => {
-					id: 'graph-div',
-					callback: (svgCode, bindFunctions) => {
 						if (svgCode.length > 0) {
 							handlePanZoom(state);
 							container.innerHTML = svgCode;
 							const graphDiv = document.getElementById('graph-div');
 							graphDiv.setAttribute('height', '100%');
 							graphDiv.style.maxWidth = '100%';
-							if (bindFunctions) {
-								bindFunctions(graphDiv);
-							}
 						}
-					}
+					});
-				});
+					view.parentElement.scrollTop = scroll;
-				view.parentElement.scrollTop = scroll;
+					error = false;
-				error = false;
+				} else if (manualUpdate) {
-			} else if (manualUpdate) {
+					manualUpdate = false;
-				manualUpdate = false;
+				} else if (code !== state.code || config !== state.mermaid) {
-			} else if (code !== state.code || config !== state.mermaid) {
+					outOfSync = true;
-				outOfSync = true;
+				}
+			} catch (e) {
+				console.log('view fail', e);
+				error = true;
 			}
-		} catch (e) {
-			console.error('view fail', e);
-			error = true;
-		}
-	};
-
-	onMount(() => {
-		stateStore.subscribe((state) => {
-			handleStateChange(state);
 		});
 		window.addEventListener('resize', () => {
 			if ($stateStore.panZoom && pzoom) {
@@ -114,23 +106,13 @@
 	});
 </script>
 
-{#await init}
+{#if error && $stateStore.error instanceof Error}
-	Loading...
+	<div class="p-2 text-red-600" id="errorContainer">{$stateStore.error}</div>
-{:then}
+{/if}
-	{#if error && $stateStore.error instanceof Error}
-		<div class="p-2 text-red-600" id="errorContainer">{$stateStore.error}</div>
-	{/if}
 
-	{#if outOfSync}
+<div id="view" bind:this={view} class="p-2 h-full" class:error class:outOfSync>
-		<div class="absolute w-full p-2 z-10 text-yellow-600 bg-base-100 bg-opacity-80 text-center">
+	<div id="container" bind:this={container} class="h-full overflow-auto" class:hide />
-			Diagram out of sync. <br />
+</div>
-			Press <i class="fas fa-sync" /> (Sync button) or <kbd>{cmdKey} + Enter</kbd> to sync.
-		</div>
-	{/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>
-{/await}
 
 <style>
 	#view {

src/lib/types.d.ts

@@ -16,6 +16,13 @@ export interface MarkerData {
 	endColumn: number;
 }
 
+export interface EditorUpdateEvent {
+	text: string;
+}
+export interface EditorEvents {
+	update: EditorUpdateEvent;
+}
+
 export interface TabEvents {
 	select: Tab;
 }
@@ -29,9 +36,9 @@ export interface Tab {
 export interface State {
 	code: string;
 	mermaid: string;
+	updateEditor: boolean;
 	updateDiagram: boolean;
 	autoSync: boolean;
-	editorMode?: EditorMode;
 	panZoom?: boolean;
 	pan?: { x: number; y: number };
 	zoom?: number;
@@ -39,7 +46,6 @@ export interface State {
 }
 
 export interface ValidatedState extends State {
-	editorMode: EditorMode;
 	error: unknown;
 	errorMarkers: MarkerData[];
 	serialized: string;
@@ -80,7 +86,5 @@ export interface DocConfig {
 	};
 }
 
-export type EditorMode = 'code' | 'config';
-
 export type Loader = (url: string) => Promise<State>;
 export type Optional<T, K extends keyof T> = Pick<Partial<T>, K> & Omit<T, K>;

src/lib/util/env.ts

@@ -1,9 +1,4 @@
-export const env = {
+export const rendererUrl: string =
-	rendererUrl: import.meta.env.MERMAID_RENDERER_URL ?? 'https://mermaid.ink',
+	(import.meta.env.MERMAID_RENDERER_URL as string) ?? 'https://mermaid.ink';
-	krokiRendererUrl: import.meta.env.MERMAID_KROKI_RENDERER_URL ?? 'https://kroki.io',
+export const krokiRendererUrl: string =
-	mermaidCDNUrl: import.meta.env.MERMAID_CDN_URL ?? 'https://unpkg.com/@mermaid-js',
+	(import.meta.env.MERMAID_KROKI_RENDERER_URL as string) ?? 'https://kroki.io';
-	mermaidBaseURL: import.meta.env.MERMAID_BASE_URL ?? 'http://localhost:9000',
-	useLocalMermaid: import.meta.env.MERMAID_LOCAL ?? false,
-	isDev: import.meta.env.DEV,
-	baseURL: import.meta.env.BASE_URL
-};

src/lib/util/fileLoaders/loader.ts

@@ -54,6 +54,7 @@ export const loadDataFromUrl = async (): Promise<void> => {
 		updateCodeStore({
 			...state,
 			autoSync: true,
-			updateDiagram: true
+			updateDiagram: true,
+			updateEditor: true
 		});
 };

src/lib/util/mermaid.ts

@@ -1,74 +0,0 @@
-import mermaid from 'mermaid';
-// We need to export MermaidConfig and all related types from mermaid.
-import type { MermaidConfig } from 'mermaid/dist/config.type';
-import { env } from './env';
-import queue from 'async/queue';
-import type { QueueObject } from 'async';
-const { mermaidBaseURL, mermaidCDNUrl, useLocalMermaid } = env;
-
-const getDiagramURL = (name: string, version: string): string => {
-	if (useLocalMermaid) {
-		return `${mermaidBaseURL}/${name}-detector.esm.mjs`;
-	}
-	return `${mermaidCDNUrl}/${name}@${version}/dist/${name}-detector.esm.mjs`;
-};
-
-const initialize = mermaid.initializeAsync({
-	logLevel: 0,
-	lazyLoadedDiagrams: [getDiagramURL('mermaid-mindmap', '9.2.0-rc4')],
-	loadExternalDiagramsAtStartup: true
-});
-
-export const init = async () => {
-	await initialize;
-};
-
-interface RenderPayload {
-	config: MermaidConfig;
-	code: string;
-	id: string;
-	callback: Parameters<typeof mermaid.render>[2];
-}
-
-interface ParsePayload {
-	code: string;
-}
-interface MermaidTask {
-	action: 'render' | 'parse';
-	payload: RenderPayload | ParsePayload;
-}
-
-const mermaidQueue: QueueObject<MermaidTask> = queue(async (task: MermaidTask) => {
-	console.log('adding ', task);
-	if (task.action === 'render') {
-		const { config, code, id, callback } = task.payload as RenderPayload;
-		await mermaid.mermaidAPI.renderAsync(id, code, callback);
-	}
-	console.log('done', task);
-}, 1);
-
-mermaidQueue.error(function (err, task) {
-	console.error('task experienced an error', task, err);
-});
-
-export const render = async (payload: RenderPayload): Promise<void> => {
-	// Should be able to call this multiple times without any issues.
-	// await mermaid.initialize({
-	// 	...config,
-	// 	lazyLoadedDiagrams: [
-	// 		// We should make SRI mandatory for all lazy-loaded diagrams.
-	// 		'https://unpkg.com/@mermaid-js/mermaid-mindmap@9.2.0-rc2/dist/mermaid-mindmap-detector.esm.mjs'
-	// 	]
-	// });
-	// console.log('Rendering', code);
-	// mermaid.mermaidAPI.render(id, code, callback);
-	await mermaidQueue.push({
-		action: 'render',
-		payload
-	});
-};
-
-export const parse = async (code: string): Promise<boolean> => {
-	await init();
-	return mermaid.parseAsync(code);
-};

src/lib/util/migrations.test.ts

@@ -1,34 +0,0 @@
-import type { HistoryEntry } from '$lib/types';
-import { describe, it, expect, beforeEach } from 'vitest';
-
-describe('migrations', () => {
-	beforeEach(() => {
-		window.localStorage.setItem(
-			'manualHistoryStore',
-			'[{"state":{"code":"graph TD\\n    A[Halloween] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":false},"time":0,"type":"manual","name":"hollow-art"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":true},"time":0,"type":"manual","name":"helpful-ocean"}]'
-		);
-		window.localStorage.setItem(
-			'autoHistoryStore',
-			'[{"state":{"code":"graph TD\\n    A[New Year] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":false},"time":0,"type":"auto","name":"barking-dog"},{"state":{"code":"graph TD\\n    A[Christmas] -->|Get money| B(Go shopping)","mermaid":"{\\n  \\"theme\\": \\"dark\\"\\n}","autoSync":true,"updateDiagram":true},"time":0,"type":"manual","name":"needy-mosquito"}]'
-		);
-	});
-
-	it('should migrate from v0 to v1', async () => {
-		const { applyMigrations } = await import('./migrations');
-		let manualHistoryStore: HistoryEntry[] = JSON.parse(
-			window.localStorage.getItem('manualHistoryStore')
-		);
-		let autoHistoryStore: HistoryEntry[] = JSON.parse(
-			window.localStorage.getItem('autoHistoryStore')
-		);
-		expect(manualHistoryStore.every(({ id }) => id !== undefined)).toBe(false);
-		expect(autoHistoryStore.every(({ id }) => id !== undefined)).toBe(false);
-
-		applyMigrations();
-
-		manualHistoryStore = JSON.parse(window.localStorage.getItem('manualHistoryStore'));
-		autoHistoryStore = JSON.parse(window.localStorage.getItem('autoHistoryStore'));
-		expect(manualHistoryStore.every(({ id }) => id !== undefined)).toBe(true);
-		expect(autoHistoryStore.every(({ id }) => id !== undefined)).toBe(true);
-	});
-});

src/lib/util/migrations.ts

@@ -1,5 +1,5 @@
 import { writable, get, type Writable } from 'svelte/store';
-import { persist, localStorage } from '$lib/util/persist';
+import { persist, createLocalStorage } from '@macfja/svelte-persistent-store';
 import { injectHistoryIDs } from '$lib/components/history/history';
 import { logEvent } from './stats';
 
@@ -13,7 +13,7 @@ const migrations: { [key: string]: () => void } = {
 
 const migrationStore: Writable<MigrationState> = persist(
 	writable({ version: -1 }),
-	localStorage(),
+	createLocalStorage(),
 	'migrations'
 );
 

src/lib/util/persist.ts

@@ -1,265 +0,0 @@
-/* eslint-disable @typescript-eslint/no-explicit-any */
-// Copied from https://github.com/MacFJA/svelte-persistent-store
-// # The MIT License (MIT)
-
-// Copyright (c) 2021 [MacFJA](https://github.com/MacFJA)
-
-// > Permission is hereby granted, free of charge, to any person obtaining a copy
-// > of this software and associated documentation files (the "Software"), to deal
-// > in the Software without restriction, including without limitation the rights
-// > to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// > copies of the Software, and to permit persons to whom the Software is
-// > furnished to do so, subject to the following conditions:
-// >
-// > The above copyright notice and this permission notice shall be included in
-// > all copies or substantial portions of the Software.
-// >
-// > THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// > IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// > FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// > AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// > LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// > OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// > THE SOFTWARE.
-
-import ESSerializer from 'esserializer';
-import type { Writable } from 'svelte/store';
-
-/**
- * Disabled warnings about missing/unavailable storages
- */
-export function disableWarnings(): void {
-	noWarnings = true;
-}
-/**
- * If set to true, no warning will be emitted if the requested Storage is not found.
- * This option can be useful when the lib is used on a server.
- */
-let noWarnings = false;
-/**
- * List of storages where the warning have already been displayed.
- */
-const alreadyWarnFor: Array<string> = [];
-
-/**
- * Add a log to indicate that the requested Storage have not been found.
- * @param {string} storageName
- */
-const warnStorageNotFound = (storageName) => {
-	const isProduction = typeof process !== 'undefined' && process.env?.NODE_ENV === 'production';
-
-	if (!noWarnings && alreadyWarnFor.indexOf(storageName) === -1 && !isProduction) {
-		let message = `Unable to find the ${storageName}. No data will be persisted.`;
-		if (typeof window === 'undefined') {
-			message +=
-				'\n' +
-				'Are you running on a server? Most of storages are not available while running on a server.';
-		}
-		console.warn(message);
-		alreadyWarnFor.push(storageName);
-	}
-};
-
-const allowedClasses = [];
-/**
- * Add a class to the allowed list of classes to be serialized
- * @param classDef The class to add to the list
- */
-export const addSerializableClass = (classDef: () => unknown): void => {
-	allowedClasses.push(classDef);
-};
-
-const serialize = (value: unknown): string => ESSerializer.serialize(value);
-const deserialize = (value: string): unknown => {
-	// @TODO: to remove in the next major
-	if (value === 'undefined') {
-		return undefined;
-	}
-
-	if (value !== null && value !== undefined) {
-		try {
-			return ESSerializer.deserialize(value, allowedClasses);
-		} catch (e) {
-			// Do nothing
-			// use the value "as is"
-		}
-		try {
-			return JSON.parse(value);
-		} catch (e) {
-			// Do nothing
-			// use the value "as is"
-		}
-	}
-	return value;
-};
-
-/**
- * A store that keep it's value in time.
- */
-export interface PersistentStore<T> extends Writable<T> {
-	/**
-	 * Delete the store value from the persistent storage
-	 */
-	delete(): void;
-}
-
-/**
- * Storage interface
- */
-export interface StorageInterface<T> {
-	/**
-	 * Get a value from the storage.
-	 *
-	 * If the value doesn't exists in the storage, `null` should be returned.
-	 * This method MUST be synchronous.
-	 * @param key The key/name of the value to retrieve
-	 */
-	getValue(key: string): T | null;
-
-	/**
-	 * Save a value in the storage.
-	 * @param key The key/name of the value to save
-	 * @param value The value to save
-	 */
-	setValue(key: string, value: T): void;
-
-	/**
-	 * Remove a value from the storage
-	 * @param key The key/name of the value to remove
-	 */
-	deleteValue(key: string): void;
-}
-
-export interface SelfUpdateStorageInterface<T> extends StorageInterface<T> {
-	/**
-	 * Add a listener to the storage values changes
-	 * @param {string} key The key to listen
-	 * @param {(newValue: T) => void} listener The listener callback function
-	 */
-	addListener(key: string, listener: (newValue: T) => void): void;
-	/**
-	 * Remove a listener from the storage values changes
-	 * @param {string} key The key that was listened
-	 * @param {(newValue: T) => void} listener The listener callback function to remove
-	 */
-	removeListener(key: string, listener: (newValue: T) => void): void;
-}
-
-/**
- * Make a store persistent
- * @param {Writable<*>} store The store to enhance
- * @param {StorageInterface} storage The storage to use
- * @param {string} key The name of the data key
- */
-export function persist<T>(
-	store: Writable<T>,
-	storage: StorageInterface<T>,
-	key: string
-): PersistentStore<T> {
-	const initialValue = storage.getValue(key);
-
-	if (null !== initialValue) {
-		store.set(initialValue);
-	}
-
-	if ((storage as SelfUpdateStorageInterface<T>).addListener) {
-		(storage as SelfUpdateStorageInterface<T>).addListener(key, (newValue) => {
-			store.set(newValue);
-		});
-	}
-
-	store.subscribe((value) => {
-		storage.setValue(key, value);
-	});
-
-	return {
-		...store,
-		delete() {
-			storage.deleteValue(key);
-		}
-	};
-}
-
-function getBrowserStorage(
-	browserStorage: Storage,
-	listenExternalChanges = false
-): SelfUpdateStorageInterface<any> {
-	const listeners: Array<{ key: string; listener: (newValue: any) => void }> = [];
-	const listenerFunction = (event: StorageEvent) => {
-		const eventKey = event.key;
-		if (event.storageArea === browserStorage) {
-			listeners
-				.filter(({ key }) => key === eventKey)
-				.forEach(({ listener }) => {
-					listener(deserialize(event.newValue));
-				});
-		}
-	};
-	const connect = () => {
-		if (listenExternalChanges && typeof window !== 'undefined' && window?.addEventListener) {
-			window.addEventListener('storage', listenerFunction);
-		}
-	};
-	const disconnect = () => {
-		if (listenExternalChanges && typeof window !== 'undefined' && window?.removeEventListener) {
-			window.removeEventListener('storage', listenerFunction);
-		}
-	};
-
-	return {
-		addListener(key: string, listener: (newValue: any) => void) {
-			listeners.push({ key, listener });
-			if (listeners.length === 1) {
-				connect();
-			}
-		},
-		removeListener(key: string, listener: (newValue: any) => void) {
-			const index = listeners.indexOf({ key, listener });
-			if (index !== -1) {
-				listeners.splice(index, 1);
-			}
-			if (listeners.length === 0) {
-				disconnect();
-			}
-		},
-		getValue(key: string): any | null {
-			const value = browserStorage.getItem(key);
-			return deserialize(value);
-		},
-		deleteValue(key: string) {
-			browserStorage.removeItem(key);
-		},
-		setValue(key: string, value: any) {
-			browserStorage.setItem(key, serialize(value));
-		}
-	};
-}
-
-/**
- * Storage implementation that use the browser local storage
- * @param {boolean} listenExternalChanges - Update the store if the localStorage is updated from another page
- */
-export function localStorage<T>(listenExternalChanges = false): StorageInterface<T> {
-	if (typeof window !== 'undefined' && window?.localStorage) {
-		return getBrowserStorage(window.localStorage, listenExternalChanges);
-	}
-	warnStorageNotFound('window.localStorage');
-	return noopStorage();
-}
-
-/**
- * Storage implementation that do nothing
- */
-export function noopStorage(): StorageInterface<any> {
-	return {
-		getValue(): null {
-			return null;
-		},
-		deleteValue() {
-			// Do nothing
-		},
-		setValue() {
-			// Do nothing
-		}
-	};
-}

src/lib/util/serde.test.ts

@@ -13,19 +13,19 @@ describe('Serde tests', () => {
 
 	it('should serialize and deserialize with default serde', () => {
 		expect(verifySerde(defaultState)).toMatchInlineSnapshot(
-			'"pako:eNpVj81qw0AMhF9F6NRC_AI-BGK7zSXQQHLz5iBsObuk-8Naphjb7551fEl1EjPfiNGEjW8Zc7xHChqulXKQ5lCXOppeLPU3yLL9fGQB6x2PMxQfRw-99iEYd__c-GKFoJxOK8Yg2rjHslnlK__jeIaqPlEQH27vzvXPz_BVm7NO5_87OnJKfdcd5R1lDUUoKb4Q3KHlaMm0qfq0KgpFs2WFeVpb7mj4FYXKLQmlQfxldA3mEgfe4RBaEq4MpaftJi5PNtJU8w"'
+			'"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-fFR3b3wgRVtpUGhvbmVdXG4gICAgQyAtLT58VGhyZWV8IEZbZmE6ZmEtY2FyIENhcl1cbiAgIiwibWVybWFpZCI6IntcbiAgXCJ0aGVtZVwiOiBcImRlZmF1bHRcIlxufSIsImF1dG9TeW5jIjp0cnVlLCJ1cGRhdGVEaWFncmFtIjp0cnVlfQ"'
+			'"base64:eyJjb2RlIjoiZ3JhcGggVERcbiAgICBBW0NocmlzdG1hc10gLS0-fEdldCBtb25leXwgQihHbyBzaG9wcGluZylcbiAgICBCIC0tPiBDe0xldCBtZSB0aGlua31cbiAgICBDIC0tPnxPbmV8IERbTGFwdG9wXVxuICAgIEMgLS0-fFR3b3wgRVtpUGhvbmVdXG4gICAgQyAtLT58VGhyZWV8IEZbZmE6ZmEtY2FyIENhcl1cbiAgIiwibWVybWFpZCI6IntcbiAgXCJ0aGVtZVwiOiBcImRlZmF1bHRcIlxufSIsInVwZGF0ZUVkaXRvciI6ZmFsc2UsImF1dG9TeW5jIjp0cnVlLCJ1cGRhdGVEaWFncmFtIjp0cnVlfQ"'
 		);
 	});
 
 	it('should serialize and deserialize with pako serde', () => {
 		expect(verifySerde(defaultState, 'pako')).toMatchInlineSnapshot(
-			'"pako:eNpVj81qw0AMhF9F6NRC_AI-BGK7zSXQQHLz5iBsObuk-8Naphjb7551fEl1EjPfiNGEjW8Zc7xHChqulXKQ5lCXOppeLPU3yLL9fGQB6x2PMxQfRw-99iEYd__c-GKFoJxOK8Yg2rjHslnlK__jeIaqPlEQH27vzvXPz_BVm7NO5_87OnJKfdcd5R1lDUUoKb4Q3KHlaMm0qfq0KgpFs2WFeVpb7mj4FYXKLQmlQfxldA3mEgfe4RBaEq4MpaftJi5PNtJU8w"'
+			'"pako:eNpVkM1qw0AMhF9F6JRC_AI-FBo7ySXQQnPz5iC8cnZp9oe1TAm2373rmEKik5j5ZhAasQ2ascRromjgXCsPeT6ayiTbi6P-AkXxPh1ZwAXP9wl2m2OA3oQYrb--rfxugaAaTwvGIMb6n3m1qkf-0_MEdXOiKCFenp3zb5hg39gvk-tfHZM4pw5NR2VHRUsJKkoPBLfoODmyOp8-LopCMexYYZlXzR0NN1Go_JzRIWoS3msrIWGuuvW8RRokfN99i6Wkgf-h2lL-hFvF-Q9-YFyS"'
 		);
 	});
 

src/lib/util/state.ts

@@ -1,15 +1,13 @@
 import { writable, get, derived } from 'svelte/store';
-import { persist, localStorage } from './persist';
+import { persist, createLocalStorage } from '@macfja/svelte-persistent-store';
-import { saveStatistics, countLines } from './stats';
+import { saveStatistics } from './stats';
 import { serializeState, deserializeState } from './serde';
 import { cmdKey } from './util';
-import { parse, init } from './mermaid';
+import mermaid from 'mermaid';
 
 import type { Readable } from 'svelte/store';
 import type { MarkerData, State, ValidatedState } from '$lib/types';
 
-void init();
-
 export const defaultState: State = {
 	code: `graph TD
     A[Christmas] -->|Get money| B(Go shopping)
@@ -25,6 +23,7 @@ export const defaultState: State = {
 		null,
 		2
 	),
+	updateEditor: false,
 	autoSync: true,
 	updateDiagram: true
 };
@@ -41,7 +40,7 @@ const urlParseFailedState = `graph TD
     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 inputStateStore = persist(writable(defaultState), localStorage(), 'codeStore');
+export const inputStateStore = persist(writable(defaultState), createLocalStorage(), 'codeStore');
 
 // All internal reads should be done via stateStore, but it should not be persisted/shared externally.
 export const stateStore: Readable<ValidatedState> = derived([inputStateStore], ([state]) => {
@@ -49,14 +48,12 @@ export const stateStore: Readable<ValidatedState> = derived([inputStateStore], (
 		...state,
 		serialized: '',
 		errorMarkers: [],
-		error: undefined,
+		error: undefined
-		editorMode: state.editorMode ?? 'code'
 	};
-
 	// No changes should be done to fields part of `state`.
 	try {
 		processed.serialized = serializeState(state);
-		// await parse(state.code);
+		mermaid.parse(state.code);
 		JSON.parse(state.mermaid);
 	} catch (e) {
 		processed.error = e;
@@ -105,7 +102,7 @@ export const loadState = (data: string): void => {
 			state.mermaid = defaultState.mermaid;
 		}
 	}
-	updateCodeStore(state);
+	updateCodeStore({ ...state, updateEditor: true });
 };
 
 export const updateCodeStore = (newState: Partial<State>): void => {
@@ -118,12 +115,13 @@ let prompted = false;
 export const updateCode = (
 	code: string,
 	{
+		updateEditor,
 		updateDiagram = false,
 		resetPanZoom = false
-	}: { updateDiagram?: boolean; resetPanZoom?: boolean } = {}
+	}: { updateEditor: boolean; updateDiagram?: boolean; resetPanZoom?: boolean }
 ): void => {
-	const lines = countLines(code);
 	saveStatistics(code);
+	const lines = (code.match(/\n/g) || '').length + 1;
 
 	if (lines > 50 && !prompted && get(stateStore).autoSync) {
 		const turnOff = confirm(
@@ -142,13 +140,13 @@ export const updateCode = (
 			state.pan = undefined;
 			state.zoom = undefined;
 		}
-		return { ...state, code, updateDiagram };
+		return { ...state, code, updateEditor, updateDiagram };
 	});
 };
 
-export const updateConfig = (config: string): void => {
+export const updateConfig = (config: string, updateEditor: boolean): void => {
 	inputStateStore.update((state) => {
-		return { ...state, mermaid: config };
+		return { ...state, mermaid: config, updateEditor };
 	});
 };
 
@@ -159,20 +157,13 @@ export const toggleDarkTheme = (dark: boolean): void => {
 			config.theme = dark ? 'dark' : 'default';
 		}
 
-		return { ...state, mermaid: JSON.stringify(config, null, 2) };
+		return { ...state, mermaid: JSON.stringify(config, null, 2), updateEditor: true };
 	});
 };
 
-let urlDebounce: number;
 export const initURLSubscription = (): void => {
-	stateStore.subscribe(({ serialized }: ValidatedState) => {
+	stateStore.subscribe(({ serialized }) => {
-		if (serialized.length < 5) {
+		history.replaceState(undefined, undefined, `#${serialized}`);
-			return;
-		}
-		clearTimeout(urlDebounce);
-		urlDebounce = window.setTimeout(() => {
-			history.replaceState(undefined, undefined, `#${serialized}`);
-		}, 250);
 	});
 };
 

src/lib/util/stats.test.ts

@@ -1,19 +0,0 @@
-import { describe, it, expect } from 'vitest';
-import { detectType } from './stats';
-describe('diagram detection', () => {
-	it('should detect diagrams correctly', () => {
-		expect(
-			detectType(`%%{{
-			graph`)
-		).toBe('graph');
-		expect(detectType(`gitGraph`)).toBe('gitGraph');
-		expect(
-			detectType(`%%{{
-
-
-			flowChart
-			graph`)
-		).toBe('flowChart');
-		expect(detectType(`loki -> thor`)).toBe(undefined);
-	});
-});

src/lib/util/stats.ts

@@ -1,17 +1,25 @@
-import { browser } from '$app/environment';
+import { browser } from '$app/env';
 import type { AnalyticsInstance } from 'analytics';
+
 export let analytics: AnalyticsInstance;
 
 export const initAnalytics = async (): Promise<void> => {
 	if (browser && !analytics) {
 		try {
-			const [{ Analytics }, { default: plausible }] = await Promise.all([
+			const { Analytics } = await import('analytics');
-				import('analytics'),
+			// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
-				import('analytics-plugin-plausible')
+			const googleAnalytics = (await import('@analytics/google-analytics')).default;
-			]);
+			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({
+						measurementIds: ['UA-153180559-1']
+					}),
+					// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+					// @ts-ignore
 					plausible({
 						domain: 'mermaid.live',
 						hashMode: false,
@@ -27,72 +35,28 @@ export const initAnalytics = async (): Promise<void> => {
 	}
 };
 
-export const detectType = (text: string): string => {
+const detectType = (text: string): string => {
-	const possibleDiagramTypes = [
+	return text
-		'classDiagram',
-		'erDiagram',
-		'flowChart',
-		'gantt',
-		'gitGraph',
-		'graph',
-		'journey',
-		'pie',
-		'stateDiagram'
-	];
-	const firstLine = text
 		.replace(/^\s*%%.*\n/g, '\n')
 		.trimStart()
-		.split(' ')[0]
+		.split(' ')[0];
-		.toLowerCase();
-	const detectedDiagram = possibleDiagramTypes.find((d) => firstLine.includes(d.toLowerCase()));
-	return detectedDiagram;
-};
-
-export const countLines = (code: string): number => {
-	return (code.match(/\n/g) || '').length + 1;
 };
 
+// manual debounce
+let timeout: number;
 export const saveStatistics = (graph: string): void => {
-	const graphType = detectType(graph);
+	if (analytics) {
-	if (!graphType) {
+		clearTimeout(timeout);
-		return;
+		// Only save statistics after a 5 sec delay
+		timeout = window.setTimeout(() => {
+			const graphType = detectType(graph);
+			console.debug(`ga: send event: render ${graphType}`);
+			void logEvent('render', { graphType });
+		}, 5000);
 	}
-	const length = countLines(graph);
-	logEvent('render', { graphType, length });
 };
 
-const minutesToMilliSeconds = (minutes: number): number => {
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
-	return minutes * 60_000;
+export const logEvent = async (name: string, data?: any): Promise<void> => {
-};
+	await analytics?.track(name, data);
-
-const defaultDelay = minutesToMilliSeconds(1);
-const delaysPerEvent = {
-	render: minutesToMilliSeconds(5),
-	panZoom: minutesToMilliSeconds(10),
-	copyClipboard: defaultDelay,
-	download: defaultDelay,
-	copyMarkdown: defaultDelay,
-	loadGist: defaultDelay,
-	loadSampleDiagram: defaultDelay,
-	renderDiagram: defaultDelay,
-	history: defaultDelay,
-	migration: defaultDelay,
-	themeChange: defaultDelay
-};
-export type AnalyticsEvent = keyof typeof delaysPerEvent;
-const timeouts: Record<string, number> = {};
-// manual debounce to reduce the number of events sent to analytics
-export const logEvent = (name: AnalyticsEvent, data?: unknown): void => {
-	if (!analytics) {
-		return;
-	}
-	const key = data ? JSON.stringify({ name, data }) : name;
-	if (timeouts[key] === undefined) {
-		void analytics.track(name, data);
-	} else {
-		clearTimeout(timeouts[key]);
-	}
-	timeouts[key] = window.setTimeout(() => {
-		delete timeouts[key];
-	}, delaysPerEvent[name]);
 };

src/lib/util/theme.ts

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

src/lib/util/util.ts

@@ -2,7 +2,6 @@ import { initURLSubscription, loadState, updateCodeStore } from './state';
 import { analytics, initAnalytics } from './stats';
 import { loadDataFromUrl } from './fileLoaders/loader';
 import { initLoading } from './loading';
-import { applyMigrations } from './migrations';
 
 export const loadStateFromURL = (): void => {
 	loadState(window.location.hash.slice(1));
@@ -15,7 +14,6 @@ export const syncDiagram = (): void => {
 };
 
 export const initHandler = async (): Promise<void> => {
-	applyMigrations();
 	loadStateFromURL();
 	await initLoading('Loading Gist...', loadDataFromUrl().catch(console.error));
 	syncDiagram();
@@ -26,3 +24,5 @@ export const initHandler = async (): Promise<void> => {
 
 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/+layout.js

@@ -1,3 +0,0 @@
-export const prerender = true;
-export const csr = true;
-export const ssr = false;

src/routes/+layout.svelte

@@ -6,10 +6,12 @@
 	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();
 		});

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

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

src/routes/edit/+page.svelte

@@ -6,12 +6,20 @@
 	import View from '$lib/components/view.svelte';
 	import Card from '$lib/components/card/card.svelte';
 	import History from '$lib/components/history/history.svelte';
-	import { inputStateStore, stateStore, updateCodeStore } from '$lib/util/state';
+	import { updateCode, updateConfig, inputStateStore, stateStore } from '$lib/util/state';
-	import { cmdKey, initHandler, syncDiagram } from '$lib/util/util';
+	import { cmdKey, debounceEnabled, initHandler, syncDiagram } from '$lib/util/util';
 	import { onMount } from 'svelte';
-	import type { Tab, DocConfig, EditorMode, ValidatedState } from '$lib/types';
+	import type { EditorUpdateEvent, State, Tab, DocConfig } from '$lib/types';
 	import { base } from '$app/paths';
 
+	type Modes = 'code' | 'config';
+	type Languages = 'mermaid' | 'json';
+
+	let selectedMode: Modes = 'code';
+	const languageMap: { [key in Modes]: Languages } = {
+		code: 'mermaid',
+		config: 'json'
+	};
 	const docURLBase = 'https://mermaid-js.github.io/mermaid';
 	const docMap: DocConfig = {
 		graph: {
@@ -52,23 +60,34 @@
 			config: '/#/gitgraph?id=gitgraph-specific-configuration-options'
 		}
 	};
+	let text = '';
 	let docURL = docURLBase;
-	let activeTabID = 'code';
+	let language: Languages = 'mermaid';
-	stateStore.subscribe(({ code, editorMode }: ValidatedState) => {
+	const handleModeUpdate = (mode: Modes) => {
-		activeTabID = editorMode;
+		if (mode === 'code') {
-		const codeTypeMatch = /([\S]+)[\s\n]/.exec(code);
+			text = $stateStore.code;
+		} else {
+			text = $stateStore.mermaid;
+		}
+	};
+	$: language = languageMap[selectedMode];
+	$: handleModeUpdate(selectedMode);
+
+	stateStore.subscribe((state: State) => {
+		if (state.updateEditor) {
+			text = selectedMode === 'code' ? state.code : state.mermaid;
+		}
+		const codeTypeMatch = /([\S]+)[\s\n]/.exec(state.code);
 		if (codeTypeMatch && codeTypeMatch.length > 1) {
 			const docKey = codeTypeMatch[1];
 			const docConfig = docMap[docKey] ?? { code: '' };
-			docURL = docURLBase + (docConfig[editorMode] ?? docConfig.code ?? '');
+			docURL = docURLBase + (docConfig[selectedMode] ?? docConfig.code ?? '');
 		}
 	});
-
 	const tabSelectHandler = (message: CustomEvent<Tab>) => {
-		const editorMode: EditorMode = message.detail.id === 'code' ? 'code' : 'config';
+		selectedMode = message.detail.id === 'code' ? 'code' : 'config';
-		updateCodeStore({ editorMode });
+		$inputStateStore.updateEditor = true;
 	};
-
 	const tabs: Tab[] = [
 		{
 			id: 'code',
@@ -82,6 +101,28 @@
 		}
 	];
 
+	const handleUpdate = (text: string) => {
+		if (selectedMode === 'code') {
+			updateCode(text, {
+				updateEditor: false
+			});
+		} else {
+			updateConfig(text, false);
+		}
+	};
+
+	let debounce: { [key: string]: number } = {};
+	const updateHandler = ({ detail: { text } }: CustomEvent<EditorUpdateEvent>) => {
+		if (debounceEnabled) {
+			clearTimeout(debounce[selectedMode]);
+			debounce[selectedMode] = window.setTimeout(() => {
+				handleUpdate(text);
+			}, 300);
+		} else {
+			handleUpdate(text);
+		}
+	};
+
 	onMount(async () => {
 		await initHandler();
 		const resizer = document.getElementById('resizeHandler');
@@ -108,7 +149,7 @@
 	<Navbar />
 	<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} {activeTabID} title="Mermaid">
+			<Card on:select={tabSelectHandler} {tabs} isCloseable={false} title="Mermaid">
 				<div slot="actions" class="flex flex-row items-center">
 					<div class="form-control flex-row items-center">
 						<label class="cursor-pointer label" for="autoSync">
@@ -130,13 +171,11 @@
 					{/if}
 
 					<button class="btn btn-secondary btn-xs" title="View documentation">
-						<a target="_blank" rel="noreferrer" href={docURL} data-cy="docs">
+						<a target="_blank" href={docURL} data-cy="docs"><i class="fas fa-book mr-1" />Docs</a>
-							<i class="fas fa-book mr-1" />Docs
-						</a>
 					</button>
 				</div>
 
-				<Editor />
+				<Editor on:update={updateHandler} {language} {text} />
 			</Card>
 
 			<div class="-mt-2">
@@ -160,7 +199,6 @@
 					<a
 						href={`${base}/view#${$stateStore.serialized}`}
 						target="_blank"
-						rel="noreferrer"
 						class="btn btn-secondary btn-xs"
 						title="View diagram in new page"
 						><i class="fas fa-external-link-alt mr-1" />Full screen</a>

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

@@ -0,0 +1,29 @@
+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

@@ -5,7 +5,7 @@ expect.extend(matchers);
 
 // TODO: Remove once https://github.com/sveltejs/kit/issues/6259 is closed.
 beforeAll(() => {
-	vi.mock('$app/environment', () => ({
+	vi.mock('$app/env', () => ({
 		browser: 'window' in globalThis
 	}));
 });

static/favicon.svg

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg width="100%" height="100%" viewBox="0 0 491 491" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
-    <path d="M490.16,84.61C490.16,37.912 452.248,0 405.55,0L84.61,0C37.912,0 0,37.912 0,84.61L0,405.55C0,452.248 37.912,490.16 84.61,490.16L405.55,490.16C452.248,490.16 490.16,452.248 490.16,405.55L490.16,84.61Z" style="fill:rgb(255,54,112);"/>
-    <path d="M407.48,111.18C335.587,108.103 269.573,152.338 245.08,220C220.587,152.338 154.573,108.103 82.68,111.18C80.285,168.229 107.577,222.632 154.74,254.82C178.908,271.419 193.35,298.951 193.27,328.27L193.27,379.13L296.9,379.13L296.9,328.27C296.816,298.953 311.255,271.42 335.42,254.82C382.596,222.644 409.892,168.233 407.48,111.18Z" style="fill:white;fill-rule:nonzero;"/>
-</svg>

static/manifest.json

@@ -1,18 +0,0 @@
-{
-	"short_name": "Mermaid",
-	"name": "Mermaid Live Editor",
-	"icons": [
-		{
-			"src": "/favicon.png",
-			"type": "image/png",
-			"sizes": "512x512"
-		}
-	],
-	"start_url": "/edit/",
-	"background_color": "#6366F1",
-	"display": "standalone",
-	"scope": "/edit/",
-	"theme_color": "#6366F1",
-	"description": "FlowChart & Diagrams Editor.",
-	"orientation": "landscape"
-}

svelte.config.js

@@ -19,7 +19,10 @@ const config = {
 					base: `/mermaid-live-editor`
 			  }
 			: {},
-		trailingSlash: 'ignore'
+		trailingSlash: 'ignore',
+		prerender: {
+			default: true
+		}
 	}
 };
 

tsconfig.json

@@ -5,8 +5,7 @@
 		"src/**/*.svelte",
 		"cypress/**/*.ts",
 		"cypress/**/*.js",
-		"static/**/*.js",
+		"static/**/*.js"
-		"static/**/*.json"
 	],
 	"compilerOptions": {
 		"resolveJsonModule": true,

vite.config.js

@@ -4,6 +4,9 @@ const config = {
 	plugins: [sveltekit()],
 	envPrefix: 'MERMAID_',
 	optimizeDeps: { include: ['mermaid'] },
+	ssr: {
+		noExternal: ['@macfja/svelte-persistent-store']
+	},
 	server: {
 		port: 3000,
 		host: true