Fix types

2022-01-21 13:45:56 +05:30
58 changed files with 2175 additions and 2589 deletions
@@ -1,8 +0,0 @@
-docs/**
-.svelte-kit/**
-static/**
-build/**
-node_modules/**
-coverage/**
-__snapshots__/**
-snapshots.js
@@ -4,14 +4,13 @@ module.exports = {
 	extends: [
 		'eslint:recommended',
 		'plugin:@typescript-eslint/recommended',
-		// 'plugin:@typescript-eslint/recommended-requiring-type-checking',
+		'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',
@@ -28,8 +27,7 @@ module.exports = {
 		ecmaVersion: 2019,
 		tsconfigRootDir: __dirname,
 		project: ['./tsconfig.json'],
-		extraFileExtensions: ['.svelte'],
-		allowAutomaticSingleRunInference: true
+		extraFileExtensions: ['.svelte']
 	},
 	env: {
 		browser: true,
@@ -35,11 +35,11 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2

      # 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
@@ -1,4 +1,4 @@
-name: Tests
+name: Cypress Tests

 on:
  pull_request:
@@ -9,12 +9,14 @@ on:
 jobs:
  cypress-run:
    runs-on: ubuntu-latest
+    # Update after https://github.com/cypress-io/cypress-docker-images/issues/487
+    container: cypress/browsers:node14.16.0-chrome90-ff88

    steps:
      - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v2

-      - uses: actions/cache@v3
+      - uses: actions/cache@v2
        id: yarn-and-build-cache
        with:
          path: |
@@ -25,21 +27,15 @@ jobs:
          restore-keys: |
            ${{ runner.os }}-node_modules-build-

-      - uses: actions/setup-node@v3
-        with:
-          node-version: 16
-          cache: 'yarn'
-
-      - name: Lint & Test
+      - name: Lint
        run: |
          yarn install
-          yarn lint
-          yarn test:unit
+          yarn run 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
@@ -11,22 +11,37 @@ jobs:
  build:
    runs-on: ubuntu-latest
    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v2
        with:
          node-version: '16'
-          cache: yarn
+
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - uses: actions/cache@v2
+        id: yarn-cache
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-

      - name: Build & Deploy
        run: |
+          npm i -g yarn
          export DEPLOY=true
+          [ "$GITHUB_EVENT_NAME" == "pull_request" ] && export BETA=true && rm -rf docs/beta/
          [ "$GITHUB_EVENT_NAME" != "pull_request" ] && rm -rf docs/_app/
          yarn install
+          yarn run lint
          version=$(yarn version --patch --no-git-tag-version | grep "New version" | cut -d':' -f 2)
          yarn build
-          yarn run lint
+          cd bin
+          ./fix-path
          cd ..

      - name: Deploy
@@ -24,7 +24,7 @@ jobs:
    runs-on: ubuntu-latest

    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2

      - name: Run tests
        run: |
@@ -38,7 +38,7 @@ jobs:
    if: github.event_name == 'push'

    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2

      - name: Build image
        run: docker build . --file Dockerfile --tag $IMAGE_NAME
@@ -8,13 +8,10 @@ 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 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 14 days'
-          days-before-stale: 90
-          days-before-close: 14
-          days-before-pr-close: -1
+          stale-issue-message: 'This issue is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 7 days'
+          stale-pr-message: 'This pr is stale because it has been open 30 days with no activity. Remove stale label or comment or this will be closed in 7 days'
@@ -1,18 +1,15 @@
 name: Update Browserslist
 on:
  workflow_dispatch:
-  push:
-    branches:
-      - develop

 jobs:
  build:
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
      - run: npx browserslist@latest --update-db
      - name: Commit changes
-        uses: EndBug/add-and-commit@v9
+        uses: EndBug/add-and-commit@v7
        with:
          author_name: ${{ github.actor }}
          author_email: ${{ github.actor }}@users.noreply.github.com
@@ -1,7 +1,8 @@
 name: Update Monaco-editor
 on:
  workflow_dispatch:
-  push:
+  pull_request:
+    types: [opened]
    branches:
      - 'dependabot/npm_and_yarn/develop/monaco-editor-**'

@@ -9,10 +10,10 @@ jobs:
  build:
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v2
      - run: ./bin/update-monaco
      - name: Commit changes
-        uses: EndBug/add-and-commit@v9
+        uses: EndBug/add-and-commit@v7
        with:
          author_name: ${{ github.actor }}
          author_email: ${{ github.actor }}@users.noreply.github.com
@@ -9,6 +9,5 @@ yarn-error.log
 /build
 /functions
 /snapshots.js
-/cypress/downloads
 /cypress/videos
 /cypress/screenshots
@@ -3,6 +3,4 @@ docs/**
 static/**
 build/**
 node_modules/**
-coverage/**
-__snapshots__/**
 snapshots.js
@@ -1,15 +0,0 @@
-{
-	// Use IntelliSense to learn about possible attributes.
-	// Hover to view descriptions of existing attributes.
-	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
-	"version": "0.2.0",
-	"configurations": [
-		{
-			"type": "pwa-chrome",
-			"request": "launch",
-			"name": "Launch Chrome against localhost",
-			"url": "http://localhost:3000",
-			"webRoot": "${workspaceFolder}"
-		}
-	]
-}
@@ -6,12 +6,11 @@
 # Stop               : press ctrl + c 
 #                                     or 
 #                                        docker stop mermaid-live-editor
-FROM node:18.4.0 as mermaid-live-editor-builder 
+FROM node:17.3.1 as mermaid-live-editor-builder 
 COPY --chown=node:node . /home
 WORKDIR /home
 RUN yarn install
 RUN yarn build

 FROM nginx:alpine as mermaid-live-editor-runner
-COPY ./nginx.conf /etc/nginx/conf.d/default.conf
 COPY --from=mermaid-live-editor-builder --chown=nginx:nginx /home/docs /usr/share/nginx/html
@@ -1,4 +1,4 @@
-FROM node:18
+FROM node:17
 WORKDIR /app
 COPY package.json .
 COPY yarn.lock .
@@ -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.
@@ -1,31 +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,
-	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/**/*.{js,jsx,ts,tsx}'
-	}
-});
@@ -0,0 +1,11 @@
+{
+	"projectId": "2ckppp",
+	"$schema": "https://on.cypress.io/cypress.schema.json",
+	"baseUrl": "http://localhost:3000",
+	"pluginsFile": "./cypress/plugins/index.cjs",
+	"viewportWidth": 1440,
+	"viewportHeight": 768,
+	"snapshotFileName": "./cypress/snapshots.js",
+	"defaultCommandTimeout": 16000,
+	"requestTimeout": 16000
+}
@@ -1,10 +1,12 @@
 {
-	"plugins": ["cypress"],
-	"extends": ["plugin:cypress/recommended"],
+	"plugins": ["cypress", "mocha"],
+	"extends": ["plugin:cypress/recommended", "plugin:mocha/recommended"],
 	"rules": {
-		"jest/expect-expect": "off"
+		"jest/expect-expect": "off",
+		"mocha/no-mocha-arrows": "off"
 	},
 	"env": {
-		"cypress/globals": true
+		"cypress/globals": true,
+		"mocha": true
 	}
 }
@@ -1,54 +0,0 @@
-describe('Check actions', () => {
-	beforeEach(() => {
-		cy.clearLocalStorage();
-		cy.visit('/edit');
-	});
-
-	it('should update markdown code', () => {
-		cy.get('#markdown')
-			.invoke('val')
-			.then((oldText) => {
-				cy.get('#editor').click('bottom').type('{enter}C --> HistoryTest');
-				cy.get('#markdown')
-					.invoke('val')
-					.then((newText) => {
-						expect(oldText).to.not.eq(newText);
-					});
-			});
-	});
-
-	it('should load gists from URL', () => {
-		cy.get('#gist').type('https://gist.github.com/sidharthv96/6268a23e673a533dcb198f241fd7012a');
-		cy.contains('Load Gist').click();
-		cy.contains('Go shopping!!');
-	});
-
-	it('should download png and svg', () => {
-		const now = new Date(2022, 0, 1).getTime();
-		cy.clock(now);
-		const downloadsFolder = Cypress.config('downloadsFolder');
-
-		const verifyFileSize = (fileType: string, size: number) => {
-			cy.get(`#download${fileType.toUpperCase()}`).click();
-			const fileName = `mermaid-diagram-2022-01-01-000000.${fileType}`;
-			const filePath = `${downloadsFolder}/${fileName}`;
-			cy.verifyDownload(fileName);
-			cy.readFile(filePath, null, {
-				log: false
-			}).then((buffer) => expect((buffer as ArrayBuffer).byteLength).to.be.gt(size));
-			cy.task('deleteFile', filePath);
-		};
-
-		verifyFileSize('png', 21_000);
-		verifyFileSize('svg', 11_000);
-
-		// Verify downloaded file is different for different diagrams
-		cy.contains('Sample Diagrams').click();
-		cy.contains('ER Diagram').click();
-
-		verifyFileSize('png', 46_000);
-		verifyFileSize('svg', 12_000);
-
-		cy.clock().invoke('restore');
-	});
-});
@@ -1,66 +0,0 @@
-describe('Auto sync tests', () => {
-	const cmd = Cypress.platform === 'darwin' ? 'meta' : 'ctrl';
-	const getEditor = ({ bottom = true, newline = false } = {}) =>
-		cy
-			.get('#editor textarea:first')
-			.click()
-			.focused()
-			.type(`${bottom ? '{pageDown}' : `{${cmd}}`}`)
-			.type(`${newline ? '{enter}' : `{${cmd}}`}`);
-
-	beforeEach(() => {
-		cy.clearLocalStorage();
-		cy.visit('/');
-	});
-
-	it('should dim diagram when code is edited', () => {
-		cy.contains('Auto sync').click();
-		cy.get('#view').should('not.have.class', 'outOfSync');
-		getEditor().type('  C --> Test');
-		cy.get('#view').should('have.class', 'outOfSync');
-		cy.getLocalStorage('codeStore').snapshot();
-	});
-
-	it('should show/hide sync button with auto sync', () => {
-		cy.get('[data-cy=sync]').should('not.exist');
-		cy.contains('Auto sync').click();
-		cy.get('[data-cy=sync]').should('exist');
-		cy.get('#autoSync').check();
-		cy.get('[data-cy=sync]').should('not.exist');
-	});
-
-	it('should not dim diagram when code is in sync', () => {
-		cy.contains('Auto sync').click();
-		cy.get('#view').should('not.have.class', 'outOfSync');
-		getEditor().type('  C --> Test');
-		cy.get('#view').should('have.class', 'outOfSync');
-		cy.get('[data-cy=sync]').click();
-		cy.get('#view').should('not.have.class', 'outOfSync');
-		cy.get('#autoSync').check();
-		getEditor().type('ing');
-		cy.get('#view').should('not.have.class', 'outOfSync');
-		cy.getLocalStorage('codeStore').snapshot();
-	});
-
-	it('supports commenting code out/in', () => {
-		getEditor().type(`{uparrow}{${cmd}}/`);
-		cy.get('#view').contains('Car').should('not.exist');
-
-		getEditor().type(`{uparrow}{${cmd}}/`);
-		cy.get('#view').contains('Car').should('exist');
-	});
-
-	it('supports editing code when code is incorrect', () => {
-		cy.visit(
-			'/edit#pako:eNpljjEKwzAMRa8SNOcEnlt6gK5eVFvYJsgOqkwpIXevg9smEE1PnyfxF3DFExgISW-CczQ2D21cYU7a-SGYXRwyvTp9jUhuKlVP-eHy7zA-leQsMEmg_QOM0BLG5FujZVMsaCQmC6ahR5ks2Lw2r84ela4-aREwKpVGwKrl_s7ut3fnkjAIcg_XDzuaUhs'
-		);
-		cy.get('#errorContainer').should('not.exist');
-		getEditor({ newline: true }).type(`branch test`);
-		cy.get('#editor').contains('branch test').should('exist');
-		cy.get('#errorContainer')
-			.contains(
-				'Error: Trying to checkout branch which is not yet created. (Help try using "branch master")'
-			)
-			.should('exist');
-	});
-});
@@ -1,36 +0,0 @@
-describe('Editor docs tests', () => {
-	beforeEach(() => {
-		cy.on('uncaught:exception', () => {
-			return false;
-		});
-		cy.clearLocalStorage();
-		cy.visit('/edit');
-		cy.contains('Sample Diagrams').click();
-	});
-
-	it('Test default loading', () => {
-		cy.get(`[data-cy=docs][href^="https://mermaid-js.github.io/mermaid"]`).should('exist');
-	});
-
-	it('Test to see if the correct URL loads when changing from one diagram to other', () => {
-		cy.contains('Flow Chart').click();
-		cy.get(`[data-cy=docs][href$="/#/flowchart"]`).should('exist');
-
-		cy.contains('Config').click();
-		cy.get(`[data-cy=docs][href$="/#/flowchart?id=configuration"]`).should('exist');
-
-		cy.contains('Sequence Diagram').click();
-		cy.get(`[data-cy=docs][href$="/#/sequenceDiagram?id=configuration"]`).should('exist');
-
-		cy.contains('Code').click();
-		cy.get(`[data-cy=docs][href$="/#/sequenceDiagram"]`).should('exist');
-	});
-
-	it("Test to check URLs for a case where config URL doesn't exist", () => {
-		cy.contains('State Diagram').click();
-		cy.get(`[data-cy=docs][href$="/#/stateDiagram"]`).should('exist');
-
-		cy.contains('Config').click();
-		cy.get(`[data-cy=docs][href$="/#/stateDiagram"]`).should('exist');
-	});
-});
@@ -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!!');
+	});
+});
@@ -0,0 +1,33 @@
+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();
+	});
+});
@@ -46,8 +46,7 @@ describe('Save History', () => {
 		cy.get('#historyList').contains('No items in History');
 	});

-	// TODO: Fix #639
-	xit('should auto save history', () => {
+	it('should auto save history', () => {
 		cy.get('#editor').type('  C --> HistoryTest');
 		cy.tick(70000);
 		cy.contains('Timeline').click();
@@ -17,7 +17,7 @@ describe('Site Loads', () => {
 		);
 		cy.url().should(
 			'include',
-			'/edit#pako:eNpVkM1qw0AMhF9F6NRC_AI-FBo7zSXQQHLz-iC8cnZJ9oe1TAm2373rmkKrk9B8MwyasAuascRbomjgWisPed6byiQ7iKOhhaJ4m48s4ILn5wz7l2OAwYQYrb-9bvx-haCaTivGIMb6-7JJ1Y__0_MMdXOiKCG2f5XrV5jh0NizyfH_FZM4uz6ansqeio4SVJRa3KHj5MjqXHtaDQrFsGOFZV419zQ-RKHyS0bHqEn4oK2EhDnmMfAOaZRwefoOS0kj_0K1pfwFtx2XbzAdW4g'
+			'/edit#eyJjb2RlIjoiZ3JhcGggVERcbiAgICBBW0NocmlzdG1hc10gLS0-fEdldCBtb25leXwgQihHbyBzaG9wcGluZylcbiAgICBCIC0tPiBDe0xldCBtZSB0aGlua31cbiAgICBDIC0tPnxPbmV8IERbTGFwdG9wXVxuICAgIEMgLS0-fFR3b3wgRVtpUGhvbmVdXG4gICAgQyAtLT58VGhyZWV8IEZbZmE6ZmEtY2FyIENhcl0iLCJtZXJtYWlkIjp7InRoZW1lIjoiZGVmYXVsdCJ9LCJ1cGRhdGVFZGl0b3IiOmZhbHNlfQ'
 		);
 		cy.contains('History').click();
 		cy.getLocalStorage('codeStore').snapshot();
@@ -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', {
@@ -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;
+		}
+	});
+};
@@ -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": "10.3.0",
+  "__version": "9.2.0",
  "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}\",\"updateEditor\":false,\"autoSync\":false,\"updateDiagram\":false}"
@@ -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')
@@ -1,7 +1,7 @@
 {
 	"compilerOptions": {
 		"allowJs": true,
-		"types": ["cypress", "cypress-localstorage-commands", "cy-verify-downloads"]
+		"types": ["cypress", "cypress-localstorage-commands"]
 	},
 	"include": ["**/*.ts"]
 }
@@ -1,9 +0,0 @@
-server { 
- listen 80;
- server_name mermaid;
- location / {
-   root /usr/share/nginx/html;
-	 # Fallback to index.html for other paths
-   try_files $uri /index.html;
- }
-}
@@ -1,79 +1,65 @@
 {
 	"name": "mermaid-live-editor",
 	"version": "2.0.67",
-	"type": "module",
-	"license": "MIT",
 	"scripts": {
-		"dev": "vite dev --host 0.0.0.0",
-		"build": "vite build",
-		"preview": "vite preview",
-		"lint": "prettier --check --cache --plugin-search-dir=. .;eslint --ignore-path .gitignore .",
-		"lint:fix": "prettier --write --cache --plugin-search-dir=. .;eslint --fix --ignore-path .gitignore .",
-		"format": "prettier --write --cache --plugin-search-dir=. .",
+		"dev": "svelte-kit dev --host 0.0.0.0",
+		"build": "svelte-kit build",
+		"preview": "svelte-kit preview",
+		"lint": "prettier --check --plugin-search-dir=. . && eslint --ignore-path .gitignore .",
+		"lint:fix": "prettier --write --plugin-search-dir=. . && eslint --fix --ignore-path .gitignore .",
+		"format": "prettier --write --plugin-search-dir=. .",
 		"pre-commit": "lint-staged",
-		"postinstall": "husky install; cypress cache prune; svelte-kit sync",
-		"test:unit": "vitest",
-		"test:ui": "vitest --ui",
-		"test:coverage": "vitest run --coverage",
-		"test:browser": "cypress run",
-		"test": "test:unit && test:browser",
+		"postinstall": "husky install",
+		"test": "cypress run",
 		"cy": "cypress open"
 	},
 	"devDependencies": {
-		"@cypress/snapshot": "2.1.7",
-		"@sveltejs/adapter-static": "1.0.0-next.34",
-		"@sveltejs/kit": "1.0.0-next.359",
-		"@testing-library/jest-dom": "5.16.4",
-		"@testing-library/svelte": "3.1.3",
-		"@types/mermaid": "8.2.9",
-		"@types/pako": "1.0.3",
-		"@typescript-eslint/eslint-plugin": "5.30.5",
-		"@typescript-eslint/parser": "5.30.5",
-		"@vitest/ui": "0.17.0",
-		"autoprefixer": "10.4.7",
-		"c8": "7.11.3",
-		"chai": "4.3.6",
-		"cssnano": "5.1.12",
-		"cy-verify-downloads": "0.1.8",
-		"cypress": "10.3.0",
-		"cypress-localstorage-commands": "2.1.0",
-		"eslint": "8.19.0",
-		"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": "3.6.0",
-		"eslint-plugin-vitest": "0.0.8",
-		"husky": "8.0.1",
-		"jsdom": "20.0.0",
-		"lint-staged": "13.0.3",
-		"node-html-parser": "5.3.3",
-		"postcss": "8.4.14",
-		"postcss-load-config": "4.0.1",
-		"prettier": "2.7.1",
-		"prettier-plugin-svelte": "2.7.0",
-		"svelte": "3.48.0",
-		"svelte-preprocess": "4.10.7",
-		"tailwindcss": "3.1.4",
-		"tslib": "2.4.0",
-		"typescript": "4.7.4",
-		"vite": "2.9.13",
-		"vitest": "0.17.0",
-		"vitest-svelte-kit": "0.0.6"
+		"@cypress/snapshot": "^2.1.7",
+		"@sveltejs/adapter-static": "1.0.0-next.26",
+		"@sveltejs/kit": "1.0.0-next.232",
+		"@types/mermaid": "^8.2.7",
+		"@types/pako": "^1.0.3",
+		"@typescript-eslint/eslint-plugin": "^4.33.0",
+		"@typescript-eslint/parser": "^4.33.0",
+		"autoprefixer": "^10.4.2",
+		"chai": "^4.3.4",
+		"cssnano": "^5.0.15",
+		"cypress": "9.3.1",
+		"cypress-localstorage-commands": "^1.6.1",
+		"eslint": "^7.32.0",
+		"eslint-config-prettier": "^8.1.0",
+		"eslint-plugin-cypress": "^2.12.1",
+		"eslint-plugin-es": "^4.1.0",
+		"eslint-plugin-mocha": "^10.0.3",
+		"eslint-plugin-postcss-modules": "^2.0.0",
+		"eslint-plugin-svelte3": "^3.4.0",
+		"eslint-plugin-tailwindcss": "^3.3.0",
+		"husky": "^7.0.4",
+		"lint-staged": "^12.2.1",
+		"mocha": "^9.1.4",
+		"node-html-parser": "^5.2.0",
+		"postcss": "^8.4.5",
+		"postcss-load-config": "^3.1.1",
+		"prettier": "~2.5.1",
+		"prettier-plugin-svelte": "^2.6.0",
+		"svelte": "^3.46.2",
+		"svelte-preprocess": "^4.10.2",
+		"tailwindcss": "^3.0.13",
+		"tslib": "^2.3.1",
+		"typescript": "^4.5.4"
 	},
+	"type": "module",
 	"dependencies": {
-		"@analytics/google-analytics": "0.5.3",
-		"@macfja/svelte-persistent-store": "1.3.0",
-		"analytics": "0.8.1",
-		"daisyui": "2.17.0",
-		"js-base64": "3.7.2",
-		"mermaid": "9.1.3",
-		"moment": "2.29.4",
-		"monaco-editor": "0.33.0",
-		"monaco-mermaid": "1.0.6",
+		"@analytics/google-analytics": "^0.5.3",
+		"@macfja/svelte-persistent-store": "^1.2.0",
+		"analytics": "^0.7.21",
+		"daisyui": "1.24.3",
+		"js-base64": "^3.7.2",
+		"mermaid": "8.13.9",
+		"moment": "^2.29.1",
+		"monaco-editor": "^0.31.1",
 		"pako": "2.0.4",
-		"random-word-slugs": "0.1.6"
+		"random-word-slugs": "^0.1.6"
 	},
 	"lint-staged": {
 		"*.{ts,svelte,js,css,md,json}": [
@@ -82,10 +68,8 @@
 		]
 	},
 	"volta": {
-		"node": "16.15.0",
-		"yarn": "1.22.10"
-	},
-	"engines": {
-		"node": ">=16.7"
+		"node": "14.16.1",
+		"yarn": "1.22.10",
+		"npm": "7.11.2"
 	}
 }
@@ -11,37 +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="manifest" href="%sveltekit.assets%/manifest.json" />
+		<link rel="icon" type="image/png" href="favicon.png" />
+		<link rel="manifest" href="manifest.json" />
 		<link
 			rel="stylesheet"
 			href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.2/css/all.min.css" />
 		<link
 			rel="stylesheet"
-			href="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.33.0/min/vs/editor/editor.main.min.css"
+			href="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.31.1/min/vs/editor/editor.main.min.css"
 			crossorigin="anonymous"
 			referrerpolicy="no-referrer" />
 		<script>
 			var require = {
-				paths: { vs: 'https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.33.0/min/vs' }
+				paths: { vs: 'https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.31.1/min/vs' }
 			};
 		</script>
 		<script
-			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.33.0/min/vs/loader.min.js"
+			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.31.1/min/vs/loader.min.js"
 			crossorigin="anonymous"
 			referrerpolicy="no-referrer"></script>
 		<script
-			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.33.0/min/vs/editor/editor.main.nls.min.js"
+			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.31.1/min/vs/editor/editor.main.nls.min.js"
 			crossorigin="anonymous"
 			referrerpolicy="no-referrer"></script>
 		<script
-			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.33.0/min/vs/editor/editor.main.js"
+			src="https://cdnjs.cloudflare.com/ajax/libs/monaco-editor/0.31.1/min/vs/editor/editor.main.js"
 			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>
@@ -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> {}
-	}
-}
@@ -1,7 +1,7 @@
-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, {
+export const handle: Handle = async ({ request, resolve }) => {
+	const response = await resolve(request, {
 		ssr: false
 	});

@@ -4,20 +4,17 @@
 	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 { 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')
 			);
 		};
@@ -122,7 +102,10 @@
 	};

 	const onDownloadSVG = () => {
-		simulateDownload(getFileName('svg'), `data:image/svg+xml;base64,${getBase64SVG()}`);
+		simulateDownload(
+			`mermaid-diagram-${moment().format('YYYYMMDDHHmmss')}.svg`,
+			`data:image/svg+xml;base64,${getBase64SVG()}`
+		);
 	};

 	const onCopyMarkdown = () => {
@@ -131,10 +114,10 @@
 	};

 	let gistURL = '';
-	stateStore.subscribe(({ loader }) => {
-		if (loader?.type === 'gist') {
+	codeStore.subscribe((state) => {
+		if (state.loader?.type === 'gist') {
 			// @ts-ignore Gist will have url
-			gistURL = loader.config.url;
+			gistURL = state.loader.config.url;
 		}
 	});

@@ -156,11 +139,11 @@
 	if (browser && ['mermaid.live', 'netlify'].some((path) => window.location.host.includes(path))) {
 		isNetlify = true;
 	}
-	stateStore.subscribe(({ code, serialized }) => {
-		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}#${serialized})`;
+	serializedState.subscribe((encodedState: string) => {
+		iUrl = `${rendererUrl}/img/${encodedState}`;
+		svgUrl = `${rendererUrl}/svg/${encodedState}`;
+		krokiUrl = `${krokiRendererUrl}/mermaid/svg/${pakoSerde.serialize($codeStore.code)}`;
+		mdCode = `[![](${iUrl})](${window.location.protocol}//${window.location.host}${window.location.pathname}#${encodedState})`;
 	});
 </script>

@@ -171,29 +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">
-				<i class="fas fa-external-link-alt mr-2" /> PNG
-			</button>
-		</a>
-
-		<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" href={krokiUrl}>
-			<button class="action-btn flex-auto">
-				<i class="fas fa-external-link-alt mr-2" /> Kroki
-			</button>
-		</a>
+		<button class="action-btn flex-auto">
+			<a target="_blank" href={iUrl}><i class="fas fa-external-link-alt mr-2" /> PNG</a>
+		</button>
+		<button class="action-btn flex-auto">
+			<a target="_blank" href={svgUrl}><i class="fas fa-external-link-alt mr-2" /> SVG</a>
+		</button>
+		<button class="action-btn flex-auto">
+			<a target="_blank" href={krokiUrl}><i class="fas fa-external-link-alt mr-2" /> Kroki</a>
+		</button>

 		<div class="flex gap-2 items-center">
 			PNG size
@@ -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>"`;
@@ -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();
-	});
-});
@@ -26,7 +26,7 @@
 		<ul class="tabs" transition:fade>
 			{#each tabs as tab}
 				<div
-					class="tab tab-lifted {activeTabID === tab.id ? 'tab-active' : 'text-primary-content'}"
+					class="tab tab-lifted text-primary-content {activeTabID === tab.id ? 'tab-active' : ''}"
 					on:click|stopPropagation={() => toggleTabs(tab)}>
 					<i class="mr-1 {tab.icon}" />
 					{tab.title}
@@ -1,10 +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 type monaco from 'monaco-editor';
 	import { createEventDispatcher, onMount } from 'svelte';
-	import initEditor from 'monaco-mermaid';
+	import { initEditor } from './util';

 	let divEl: HTMLDivElement = null;
 	let editor: monaco.editor.IStandaloneCodeEditor;
@@ -21,16 +21,17 @@
 		theme: 'mermaid',
 		overviewRulerLanes: 0
 	};
+	export let errorMarkers: monaco.editor.IMarkerData[] = [];
 	let oldText = text;
 	$: editor && Monaco?.editor.setModelLanguage(editor.getModel(), language);
 	$: {
 		if (text !== oldText) {
-			if ($stateStore.updateEditor) {
+			if ($codeStore.updateEditor) {
 				editor?.setValue(text);
 			}
 			oldText = text;
 		}
-		editor && Monaco?.editor.setModelMarkers(editor.getModel(), 'test', $stateStore.errorMarkers);
+		editor && Monaco?.editor.setModelMarkers(editor.getModel(), 'test', errorMarkers);
 	}

 	themeStore.subscribe(({ isDark }) => {
@@ -0,0 +1,552 @@
+/* eslint-disable @typescript-eslint/no-unsafe-assignment */
+/* eslint-disable @typescript-eslint/no-unsafe-call */
+/* eslint-disable @typescript-eslint/no-unsafe-member-access */
+// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
+export const initEditor = (monacoEditor): void => {
+	monacoEditor.languages.register({ id: 'mermaid' });
+
+	const requirementDiagrams = [
+		'requirement',
+		'functionalRequirement',
+		'interfaceRequirement',
+		'performanceRequirement',
+		'physicalRequirement',
+		'designConstraint'
+	];
+
+	const keywords: {
+		[key: string]: {
+			typeKeywords: string[];
+			blockKeywords: string[];
+			keywords: string[];
+		};
+	} = {
+		flowchart: {
+			typeKeywords: ['flowchart', 'flowchart-v2', 'graph'],
+			blockKeywords: ['subgraph', 'end'],
+			keywords: [
+				'TB',
+				'TD',
+				'BT',
+				'RL',
+				'LR',
+				'click',
+				'call',
+				'href',
+				'_self',
+				'_blank',
+				'_parent',
+				'_top',
+				'linkStyle',
+				'style',
+				'classDef',
+				'class',
+				'direction',
+				'interpolate'
+			]
+		},
+		sequenceDiagram: {
+			typeKeywords: ['sequenceDiagram'],
+			blockKeywords: ['alt', 'par', 'and', 'loop', 'else', 'end', 'rect', 'opt', 'alt', 'rect'],
+			keywords: [
+				'participant',
+				'as',
+				'Note',
+				'note',
+				'right of',
+				'left of',
+				'over',
+				'activate',
+				'deactivate',
+				'autonumber',
+				'title',
+				'actor'
+			]
+		},
+		classDiagram: {
+			typeKeywords: ['classDiagram', 'classDiagram-v2'],
+			blockKeywords: ['class'],
+			keywords: [
+				'link',
+				'click',
+				'callback',
+				'call',
+				'href',
+				'cssClass',
+				'direction',
+				'TB',
+				'BT',
+				'RL',
+				'LR'
+			]
+		},
+		stateDiagram: {
+			typeKeywords: ['stateDiagram', 'stateDiagram-v2'],
+			blockKeywords: ['state', 'note', 'end'],
+			keywords: ['state', 'as', 'hide empty description', 'direction', 'TB', 'BT', 'RL', 'LR']
+		},
+		erDiagram: {
+			typeKeywords: ['erDiagram'],
+			blockKeywords: [],
+			keywords: []
+		},
+		journey: {
+			typeKeywords: ['journey'],
+			blockKeywords: ['section'],
+			keywords: ['title']
+		},
+		info: {
+			typeKeywords: ['info'],
+			blockKeywords: [],
+			keywords: ['showInfo']
+		},
+		gantt: {
+			typeKeywords: ['gantt'],
+			blockKeywords: [],
+			keywords: [
+				'title',
+				'dateFormat',
+				'axisFormat',
+				'todayMarker',
+				'section',
+				'excludes',
+				'inclusiveEndDates'
+			]
+		},
+		requirementDiagram: {
+			typeKeywords: ['requirement', 'requirementDiagram'],
+			blockKeywords: requirementDiagrams.concat('element'),
+			keywords: []
+		},
+		gitGraph: {
+			typeKeywords: ['gitGraph'],
+			blockKeywords: [],
+			keywords: ['commit', 'branch', 'merge', 'reset', 'checkout', 'LR', 'BT']
+		},
+		pie: {
+			typeKeywords: ['pie'],
+			blockKeywords: [],
+			keywords: ['title', 'showData']
+		}
+	};
+
+	// Register a tokens provider for the mermaid language
+	monacoEditor.languages.setMonarchTokensProvider('mermaid', {
+		...Object.entries(keywords)
+			.map((entry) =>
+				Object.fromEntries(
+					Object.entries(entry[1]).map((deepEntry) => [
+						entry[0] + deepEntry[0][0].toUpperCase() + deepEntry[0].slice(1),
+						deepEntry[1]
+					])
+				)
+			)
+			.reduce((overallKeywords, nextKeyword) => ({ ...overallKeywords, ...nextKeyword }), {}),
+		tokenizer: {
+			root: [
+				[/%%(?=.*%%$)/, { token: 'string', nextEmbedded: 'json' }],
+				[/%%$/, { token: 'string', nextEmbedded: '@pop' }],
+				[/^\s*gitGraph/m, 'typeKeyword', 'gitGraph'],
+				[/^\s*info/m, 'typeKeyword', 'info'],
+				[/^\s*pie/m, 'typeKeyword', 'pie'],
+				[/^\s*(flowchart|flowchart-v2|graph)/m, 'typeKeyword', 'flowchart'],
+				[/^\s*sequenceDiagram/, 'typeKeyword', 'sequenceDiagram'],
+				[/^\s*classDiagram(-v2)?/, 'typeKeyword', 'classDiagram'],
+				[/^\s*journey/, 'typeKeyword', 'journey'],
+				[/^\s*gantt/, 'typeKeyword', 'gantt'],
+				[/^\s*stateDiagram(-v2)?/, 'typeKeyword', 'stateDiagram'],
+				[/^\s*erDiagram/, 'typeKeyword', 'erDiagram'],
+				[/^\s*requirement(Diagram)?/, 'typeKeyword', 'requirementDiagram'],
+				[/%%[^$]([^%]*(?!%%$)%?)*$/, 'comment']
+			],
+			gitGraph: [
+				[/option(?=s)/, { token: 'typeKeyword', next: 'optionsGitGraph' }],
+				[/(^\s*branch|reset|merge|checkout)(.*$)/, ['keyword', 'variable']],
+				[
+					/[a-zA-Z][\w$]*/,
+					{
+						cases: {
+							'@gitGraphBlockKeywords': 'typeKeyword',
+							'@gitGraphKeywords': 'keyword'
+						}
+					}
+				],
+				[/%%[^$]([^%]*(?!%%$)%?)*$/, 'comment'],
+				[/".*?"/, 'string'],
+				[/\^/, 'delimiter.bracket']
+			],
+			optionsGitGraph: [
+				[/s$/, { token: 'typeKeyword', nextEmbedded: 'json', matchOnlyAtLineStart: false }],
+				['end', { token: 'typeKeyword', next: '@pop', nextEmbedded: '@pop' }]
+			],
+			info: [
+				[
+					/[a-zA-Z][\w$]*/,
+					{
+						cases: {
+							'@infoBlockKeywords': 'typeKeyword',
+							'@infoKeywords': 'keyword'
+						}
+					}
+				]
+			],
+			pie: [
+				[/(title)(.*$)/, ['keyword', 'string']],
+				[
+					/[a-zA-Z][\w$]*/,
+					{
+						cases: {
+							'@pieBlockKeywords': 'typeKeyword',
+							'@pieKeywords': 'keyword'
+						}
+					}
+				],
+				[/".*?"/, 'string'],
+				[/\s*\d+/, 'number'],
+				[/:/, 'delimiter.bracket'],
+				[/%%[^$]([^%]*(?!%%$)%?)*$/, 'comment']
+			],
+			flowchart: [
+				[/[ox]?(--+|==+)[ox]/, 'transition'],
+				[
+					/[a-zA-Z][\w$]*/,
+					{
+						cases: {
+							'@flowchartBlockKeywords': 'typeKeyword',
+							'@flowchartKeywords': 'keyword',
+							'@default': 'variable'
+						}
+					}
+				],
+				[/\|+.+?\|+/, 'string'],
+				[/\[+(\\.+?[\\/]|\/.+?[/\\])\]+/, 'string'],
+				[/[[>]+[^\]|[]+?\]+/, 'string'],
+				[/{+.+?}+/, 'string'],
+				[/\(+.+?\)+/, 'string'],
+				[/-\.+->?/, 'transition'],
+				[/(-[-.])([^->]+?)(-{3,}|-{2,}>|\.-+>)/, ['transition', 'string', 'transition']],
+				[/(==+)([^=]+?)(={3,}|={2,}>)/, ['transition', 'string', 'transition']],
+				[/<?(--+|==+)>|===+|---+/, 'transition'],
+				[/:::/, 'transition'],
+				[/[;&]/, 'delimiter.bracket'],
+				[/".*?"/, 'string'],
+				[/%%[^$]([^%]*(?!%%$)%?)*$/, 'comment']
+			],
+			sequenceDiagram: [
+				[
+					/[a-zA-Z][\w$]*/,
+					{
+						cases: {
+							'@sequenceDiagramBlockKeywords': 'typeKeyword',
+							'@sequenceDiagramKeywords': 'keyword',
+							'@default': 'variable'
+						}
+					}
+				],
+				[/(--?>?>|--?[)x])[+-]?/, 'transition'],
+				[/(:)([^:\n]*?$)/, ['delimiter.bracket', 'string']],
+				[/%%[^$]([^%]*(?!%%$)%?)*$/, 'comment']
+			],
+			classDiagram: [
+				[/(?!class\s)([a-zA-Z]+)(\s+[a-zA-Z]+)/, ['type', 'variable']],
+				[/(\*|<\|?|o)?(--|\.\.)(\*|\|?>|o)?/, 'transition'],
+				[/^\s*class\s(?!.*\{)/, 'keyword'],
+				[
+					/[a-zA-Z][\w$]*/,
+					{
+						cases: {
+							'@classDiagramBlockKeywords': 'typeKeyword',
+							'@classDiagramKeywords': 'keyword',
+							'@default': 'variable'
+						}
+					}
+				],
+				[/%%[^$]([^%]*(?!%%$)%?)*$/, 'comment'],
+				[/(<<)(.+?)(>>)/, ['delimiter.bracket', 'annotation', 'delimiter.bracket']],
+				[/".*?"/, 'string'],
+				[/:::/, 'transition'],
+				[/:|\+|-|#|~|\*\s*$|\$\s*$|\(|\)|{|}/, 'delimiter.bracket']
+			],
+			journey: [
+				[/(title)(.*)/, ['keyword', 'string']],
+				[/(section)(.*)/, ['typeKeyword', 'string']],
+				[
+					/[a-zA-Z][\w$]*/,
+					{
+						cases: {
+							'@journeyBlockKeywords': 'typeKeyword',
+							'@journeyKeywords': 'keyword',
+							'@default': 'variable'
+						}
+					}
+				],
+				[
+					/(^\s*.+?)(:)(.*?)(:)(.*?)([,$])/,
+					[
+						'string',
+						'delimiter.bracket',
+						'number',
+						'delimiter.bracket',
+						'variable',
+						'delimiter.bracket'
+					]
+				],
+				[/,/, 'delimiter.bracket'],
+				[/(^\s*.+?)(:)([^:]*?)$/, ['string', 'delimiter.bracket', 'variable']],
+				[/%%[^$]([^%]*(?!%%$)%?)*$/, 'comment']
+			],
+			gantt: [
+				[/(title)(.*)/, ['keyword', 'string']],
+				[/(section)(.*)/, ['typeKeyword', 'string']],
+				[
+					/[a-zA-Z][\w$]*/,
+					{
+						cases: {
+							'@ganttBlockKeywords': 'typeKeyword',
+							'@ganttKeywords': 'keyword'
+						}
+					}
+				],
+				[/(^\s*.*?)(:)/, ['string', 'delimiter.bracket']],
+				[/%%[^$]([^%]*(?!%%$)%?)*$/, 'comment'],
+				[/:/, 'delimiter.bracket']
+			],
+			stateDiagram: [
+				[/note[^:]*$/, { token: 'typeKeyword', next: 'stateDiagramNote' }],
+				['hide empty description', 'keyword'],
+				[/^\s*state\s(?!.*\{)/, 'keyword'],
+				[/(<<)(fork|join|choice)(>>)/, 'annotation'],
+				[/(\[\[)(fork|join|choice)(]])/, ['delimiter.bracket', 'annotation', 'delimiter.bracket']],
+				[
+					/[a-zA-Z][\w$]*/,
+					{
+						cases: {
+							'@stateDiagramBlockKeywords': 'typeKeyword',
+							'@stateDiagramKeywords': 'keyword',
+							'@default': 'variable'
+						}
+					}
+				],
+				[/".*?"/, 'string'],
+				[/(:)([^:\n]*?$)/, ['delimiter.bracket', 'string']],
+				[/{|}/, 'delimiter.bracket'],
+				[/%%[^$]([^%]*(?!%%$)%?)*$/, 'comment'],
+				[/-->/, 'transition'],
+				[/\[.*?]/, 'string']
+			],
+			stateDiagramNote: [
+				[/^\s*end note$/, { token: 'typeKeyword', next: '@pop' }],
+				[/.*/, 'string']
+			],
+			erDiagram: [
+				[/[}|][o|](--|\.\.)[o|][{|]/, 'transition'],
+				[/".*?"/, 'string'],
+				[/(:)(.*?$)/, ['delimiter.bracket', 'string']],
+				[/:|{|}/, 'delimiter.bracket'],
+				[/([a-zA-Z]+)(\s+[a-zA-Z]+)/, ['type', 'variable']],
+				[/%%[^$]([^%]*(?!%%$)%?)*$/, 'comment'],
+				[/[a-zA-Z_-][\w$]*/, 'variable']
+			],
+			requirementDiagram: [
+				[/->|<-|-/, 'transition'],
+				[/(\d+\.)*\d+/, 'number'],
+				[
+					/[a-zA-Z_-][\w$]*/,
+					{
+						cases: {
+							'@requirementDiagramBlockKeywords': 'typeKeyword',
+							'@default': 'variable'
+						}
+					}
+				],
+				[/:|{|}|\//, 'delimiter.bracket'],
+				[/%%[^$]([^%]*(?!%%$)%?)*$/, 'comment'],
+				[/".*?"/, 'string']
+			]
+		}
+	});
+
+	monacoEditor.editor.defineTheme('mermaid-dark', {
+		base: 'vs-dark',
+		inherit: true,
+		rules: [
+			{ token: 'typeKeyword', foreground: '9650c8', fontStyle: 'bold' },
+			{ token: 'transition', foreground: '008800', fontStyle: 'bold' }
+		],
+		colors: {}
+	});
+
+	monacoEditor.editor.defineTheme('mermaid', {
+		base: 'vs',
+		inherit: true,
+		rules: [
+			{ token: 'typeKeyword', foreground: '9650c8', fontStyle: 'bold' },
+			{ token: 'keyword', foreground: '649696' },
+			{ token: 'custom-error', foreground: 'ff0000', fontStyle: 'bold' },
+			{ token: 'string', foreground: 'AA8500' },
+			{ token: 'transition', foreground: '008800', fontStyle: 'bold' },
+			{ token: 'delimiter.bracket', foreground: '000000', fontStyle: 'bold' },
+			{ token: 'annotation', foreground: '4b4b96' },
+			{ token: 'number', foreground: '4b4b96' },
+			{ token: 'comment', foreground: '888c89' },
+			{ token: 'variable', foreground: 'A22889' },
+			{ token: 'type', foreground: '2BDEA8' }
+		],
+		colors: {}
+	});
+
+	// Register a completion item provider for the mermaid language
+	monacoEditor.languages.registerCompletionItemProvider('mermaid', {
+		provideCompletionItems: () => {
+			const suggestions = [
+				{
+					label: 'loop',
+					kind: monacoEditor.languages.CompletionItemKind.Snippet,
+					insertText: ['loop ${1:Loop text}', '\t$0', 'end'].join('\n'),
+					insertTextRules: monacoEditor.languages.CompletionItemInsertTextRule.InsertAsSnippet,
+					documentation: 'Sequence Diagram Loops'
+				},
+				{
+					label: 'alt',
+					kind: monacoEditor.languages.CompletionItemKind.Snippet,
+					insertText: ['alt ${1:Describing text}', '\t$0', 'else', '\t', 'end'].join('\n'),
+					insertTextRules: monacoEditor.languages.CompletionItemInsertTextRule.InsertAsSnippet,
+					documentation: 'Alternative Path'
+				},
+				{
+					label: 'opt',
+					kind: monacoEditor.languages.CompletionItemKind.Snippet,
+					insertText: ['opt ${1:Describing text}', '\t$0', 'end'].join('\n'),
+					insertTextRules: monacoEditor.languages.CompletionItemInsertTextRule.InsertAsSnippet,
+					documentation: 'Optional Path'
+				},
+				{
+					label: 'par',
+					kind: monacoEditor.languages.CompletionItemKind.Snippet,
+					insertText: [
+						'par ${1:[Action 1]}',
+						'\t$0',
+						'and ${2:[Action 2]}',
+						'\t',
+						'and ${3:[Action 3]}',
+						'\t',
+						'end'
+					].join('\n'),
+					insertTextRules: monacoEditor.languages.CompletionItemInsertTextRule.InsertAsSnippet,
+					documentation: 'Parallel Actions'
+				},
+				{
+					label: 'rect',
+					kind: monacoEditor.languages.CompletionItemKind.Snippet,
+					insertText: ['rect ${1:rgb(0, 255, 0)}', '\t$0', 'end'].join('\n'),
+					insertTextRules: monacoEditor.languages.CompletionItemInsertTextRule.InsertAsSnippet,
+					documentation: 'Background Color'
+				},
+				{
+					label: 'subgraph',
+					kind: monacoEditor.languages.CompletionItemKind.Snippet,
+					insertText: ['subgraph ${1:title}', '\t$0', 'end'].join('\n'),
+					insertTextRules: monacoEditor.languages.CompletionItemInsertTextRule.InsertAsSnippet,
+					documentation: 'Subgraph'
+				},
+				{
+					label: 'class',
+					kind: monacoEditor.languages.CompletionItemKind.Snippet,
+					insertText: ['class ${1:className} {', '\t$0', '}'].join('\n'),
+					insertTextRules: monacoEditor.languages.CompletionItemInsertTextRule.InsertAsSnippet,
+					documentation: 'Class'
+				},
+				{
+					label: 'state',
+					kind: monacoEditor.languages.CompletionItemKind.Snippet,
+					insertText: ['state ${1:stateName} {', '\t$0', '}'].join('\n'),
+					insertTextRules: monacoEditor.languages.CompletionItemInsertTextRule.InsertAsSnippet,
+					documentation: 'State'
+				},
+				{
+					label: 'note',
+					kind: monacoEditor.languages.CompletionItemKind.Snippet,
+					insertText: ['note ${1:right of State1}', '\t$0', 'end note'].join('\n'),
+					insertTextRules: monacoEditor.languages.CompletionItemInsertTextRule.InsertAsSnippet,
+					documentation: 'State'
+				},
+				{
+					label: 'section',
+					kind: monacoEditor.languages.CompletionItemKind.Snippet,
+					insertText: ['section ${1:Go to work}', '\t$0'].join('\n'),
+					insertTextRules: monacoEditor.languages.CompletionItemInsertTextRule.InsertAsSnippet,
+					documentation: 'User-journey Section'
+				},
+				{
+					label: 'element',
+					kind: monacoEditor.languages.CompletionItemKind.Snippet,
+					insertText: ['element ${1:test_entity} {', '\t$0', '}'].join('\n'),
+					insertTextRules: monacoEditor.languages.CompletionItemInsertTextRule.InsertAsSnippet,
+					documentation: 'Requirement Diagram Element'
+				},
+				{
+					label: 'options',
+					kind: monacoEditor.languages.CompletionItemKind.Snippet,
+					insertText: ['options', '{', '    $0', '}', 'end'].join('\n'),
+					insertTextRules: monacoEditor.languages.CompletionItemInsertTextRule.InsertAsSnippet,
+					documentation: 'Git Graph Options'
+				},
+				...requirementDiagrams.map((requirementDiagramType) => ({
+					label: requirementDiagramType,
+					kind: monacoEditor.languages.CompletionItemKind.Snippet,
+					insertText: [
+						requirementDiagramType + ' ${1:test_req} {',
+						'\tid: 1',
+						'\ttext: the test text.',
+						'\trisk: high',
+						'\tverifyMethod: test',
+						'}'
+					].join('\n'),
+					insertTextRules: monacoEditor.languages.CompletionItemInsertTextRule.InsertAsSnippet,
+					documentation: requirementDiagramType
+						.split(/(?=[A-Z])/)
+						.map((part) => part[0].toUpperCase() + part.slice(1))
+						.join(' ')
+				})),
+				...[
+					...new Set(
+						Object.values(keywords)
+							.map((diagramKeywords) =>
+								Object.entries(diagramKeywords)
+									.filter((keywordType) => keywordType[0] !== 'annotations')
+									.map((entry) => entry[1])
+							)
+							.flat(2)
+					)
+				].map((keyword) => ({
+					label: keyword,
+					kind: monacoEditor.languages.CompletionItemKind.Keyword,
+					insertText: keyword
+				}))
+			];
+			return { suggestions: suggestions };
+		}
+	});
+
+	monacoEditor.languages.setLanguageConfiguration('mermaid', {
+		autoClosingPairs: [
+			{
+				open: '(',
+				close: ')'
+			},
+			{
+				open: '{',
+				close: '}'
+			},
+			{
+				open: '[',
+				close: ']'
+			}
+		],
+		brackets: [
+			['(', ')'],
+			['{', '}'],
+			['[', ']']
+		]
+	});
+};
@@ -1,6 +1,6 @@
 <script lang="ts">
 	import Card from '$lib/components/card/card.svelte';
-	import { inputStateStore, getStateString } from '$lib/util/state';
+	import { codeStore, getStateString } from '$lib/util/state';
 	import {
 		addHistoryEntry,
 		historyModeStore,
@@ -37,7 +37,7 @@
 		const previousState: string = getPreviousState(auto);
 		if (previousState !== currentState) {
 			addHistoryEntry({
-				state: $inputStateStore,
+				state: $codeStore,
 				time: Date.now(),
 				type: auto ? 'auto' : 'manual'
 			});
@@ -54,7 +54,7 @@
 	};

 	const restoreHistory = (state: State): void => {
-		inputStateStore.set({ ...state, updateEditor: true, updateDiagram: true });
+		codeStore.set({ ...state, updateEditor: true, updateDiagram: true });
 	};

 	const relativeTime = (time: number) => {
@@ -79,26 +79,11 @@
    section Go home
      Go downstairs: 5: Me
      Sit down: 3: Me
-      `,
-		'Git Graph': `    gitGraph
-      commit
-      commit
-      branch develop
-      checkout develop
-      commit
-      commit
-      checkout main
-      merge develop
-      commit
-      commit
-`
+      `
 	};

 	const loadSampleDiagram = (diagramType: string): void => {
-		updateCode(samples[diagramType], {
-			updateDiagram: true,
-			updateEditor: true
-		});
+		updateCode(samples[diagramType], true, true);
 	};
 </script>

@@ -1,5 +1,7 @@
 <script lang="ts">
-	import { inputStateStore, stateStore } from '$lib/util/state';
+	import { errorStore } from '$lib/util/error';
+
+	import { codeStore } from '$lib/util/state';
 	import { onMount } from 'svelte';
 	import mermaid from 'mermaid';

@@ -11,16 +13,11 @@
 	let outOfSync = false;
 	let manualUpdate = true;
 	onMount(() => {
-		stateStore.subscribe((state) => {
-			if (state.error !== undefined) {
-				error = true;
-				return;
-			}
-			error = false;
+		codeStore.subscribe((state) => {
 			try {
 				if (container && state && (state.updateDiagram || state.autoSync)) {
 					if (!state.autoSync) {
-						$inputStateStore.updateDiagram = false;
+						$codeStore.updateDiagram = false;
 					}
 					outOfSync = false;
 					manualUpdate = true;
@@ -34,10 +31,7 @@
 					delete container.dataset.processed;
 					mermaid.initialize(Object.assign({}, JSON.parse(state.mermaid)));
 					mermaid.render('graph-div', code, (svgCode) => {
-						if (svgCode.length > 0) {
-							console.log(svgCode);
-							container.innerHTML = svgCode;
-						}
+						container.innerHTML = svgCode;
 					});
 					view.parentElement.scrollTop = scroll;
 					error = false;
@@ -51,19 +45,24 @@
 				error = true;
 			}
 		});
+		errorStore.subscribe((err) => {
+			if (typeof err === 'undefined') {
+				error = false;
+			} else {
+				error = true;
+				console.log('Error: ', err);
+			}
+		});
 	});
 </script>

-{#if error && $stateStore.error instanceof Error}
-	<div class="p-2 text-red-600" id="errorContainer">{$stateStore.error}</div>
-{/if}
-
 <div id="view" bind:this={view} class="p-2" class:error class:outOfSync>
 	<div id="container" bind:this={container} class="flex-1 overflow-auto" />
 </div>

 <style>
 	#view {
+		border: 1px solor darkred;
 		flex: 1;
 	}
 	.error,
@@ -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;
 }
@@ -42,12 +32,6 @@ export interface State {
 	loader?: LoaderConfig;
 }

-export interface ValidatedState extends State {
-	error: unknown;
-	errorMarkers: MarkerData[];
-	serialized: string;
-}
-
 export interface GistLoaderConfig {
 	url: string;
 }
@@ -73,11 +57,4 @@ export interface HistoryEntry {
 	url?: string;
 }

-export interface DocConfig {
-	[key: string]: {
-		code: string;
-		config?: string;
-	};
-}
-
-export type Loader = (url: string) => Promise<State>;
+type Loader = (url: string) => Promise<State>;
@@ -0,0 +1,3 @@
+import { writable } from 'svelte/store';
+
+export const errorStore = writable(undefined);
@@ -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 */
@@ -6,14 +5,108 @@ import type { State } from '$lib/types';
 import { defaultState } from '../state';
 import { addHistoryEntry } from '../../components/history/history';

+export interface GistResponse {
+	url: string;
+	forks_url: string;
+	commits_url: string;
+	id: string;
+	node_id: string;
+	git_pull_url: string;
+	git_push_url: string;
+	html_url: string;
+	files: Files;
+	public: boolean;
+	created_at: string;
+	updated_at: string;
+	description: string;
+	comments: number;
+	user: any;
+	comments_url: string;
+	owner: Owner;
+	fork_of: any;
+	forks: any[];
+	history: History[];
+	truncated: boolean;
+}
+
+export interface Files {
+	[key: string]: File;
+}
+
+export interface File {
+	filename: string;
+	type: string;
+	language: any;
+	raw_url: string;
+	size: number;
+	truncated: boolean;
+	content: string;
+}
+
+export interface Owner {
+	login: string;
+	id: number;
+	node_id: string;
+	avatar_url: string;
+	gravatar_id: string;
+	url: string;
+	html_url: string;
+	followers_url: string;
+	following_url: string;
+	gists_url: string;
+	starred_url: string;
+	subscriptions_url: string;
+	organizations_url: string;
+	repos_url: string;
+	events_url: string;
+	received_events_url: string;
+	type: string;
+	site_admin: boolean;
+}
+
+export interface History {
+	user: User;
+	version: string;
+	committed_at: string;
+	change_status: ChangeStatus;
+	url: string;
+}
+
+export interface User {
+	login: string;
+	id: number;
+	node_id: string;
+	avatar_url: string;
+	gravatar_id: string;
+	url: string;
+	html_url: string;
+	followers_url: string;
+	following_url: string;
+	gists_url: string;
+	starred_url: string;
+	subscriptions_url: string;
+	organizations_url: string;
+	repos_url: string;
+	events_url: string;
+	received_events_url: string;
+	type: string;
+	site_admin: boolean;
+}
+
+export interface ChangeStatus {
+	total: number;
+	additions: number;
+	deletions: number;
+}
+
 const codeFileName = 'code.mmd';
 const configFileName = 'config.json';

-const isValidGist = (files: any): boolean => {
+const isValidGist = (files: Files): boolean => {
 	return codeFileName in files;
 };

-const getFileContent = async (file: any): Promise<string> => {
+const getFileContent = async (file: File): Promise<string> => {
 	if (file.truncated) {
 		return await (await fetch(file.raw_url)).text();
 	}
@@ -33,9 +126,9 @@ const getGistData = async (gistURL: string): Promise<GistData> => {
 	// eslint-disable-next-line @typescript-eslint/no-unused-vars
 	const [_, __, gistID, revisionID] = gistURL.split('github.com').pop().split('/');
 	// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
-	const { html_url, files, history } = await (
+	const { html_url, files, history } = (await (
 		await fetch(`https://api.github.com/gists/${gistID}${revisionID ? '/' + revisionID : ''}`)
-	).json();
+	).json()) as GistResponse;
 	if (isValidGist(files)) {
 		const code = await getFileContent(files[codeFileName]);
 		let config: string;
@@ -44,13 +137,12 @@ 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,
 			author: currentItem.user.login,
 			time: new Date(currentItem.committed_at).getTime(),
-			version: (currentItem.version as string).slice(-7)
+			version: currentItem.version.slice(-7)
 		};
 	} else {
 		throw 'Invalid gist provided';
@@ -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 {
@@ -57,4 +54,5 @@ export const loadDataFromUrl = async (): Promise<void> => {
 			updateDiagram: true,
 			updateEditor: true
 		});
+	// window.location.search = '';
 };
@@ -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');
-	});
-});
@@ -28,20 +28,18 @@ export const pakoSerde: Serde = {
 	}
 };

-export type SerdeType = 'base64' | 'pako';
-
-const serdes: { [key in SerdeType]: Serde } = {
+const serdes: { [key: string]: Serde } = {
 	base64: base64Serde,
 	pako: pakoSerde
 };

-export const serializeState = (state: State, serde: SerdeType = 'pako'): string => {
-	if (serdes[serde] === undefined) {
-		throw new Error(`Unknown serde type: ${serde}`);
-	}
+type SerdeType = keyof typeof serdes;
+
+export const serializeState = (state: State): string => {
 	const json = JSON.stringify(state);
-	const serialized = serdes[serde].serialize(json);
-	return `${serde}:${serialized}`;
+	const defaultSerde: SerdeType = 'pako';
+	const serialized = serdes[defaultSerde].serialize(json);
+	return `${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: ${tempType}`);
 		}
@@ -1,11 +1,9 @@
 import { writable, get, derived } from 'svelte/store';
+import type { Readable } from 'svelte/store';
 import { persist, localStorage } from '@macfja/svelte-persistent-store';
+import type { State } from '$lib/types';
 import { saveStatistics } from './stats';
 import { serializeState, deserializeState } from './serde';
-import mermaid from 'mermaid';
-
-import type { Readable } from 'svelte/store';
-import type { MarkerData, State, ValidatedState } from '$lib/types';

 export const defaultState: State = {
 	code: `graph TD
@@ -38,42 +36,9 @@ 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 inputStateStore = persist(writable(defaultState), localStorage(), '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]) => {
-	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 codeStore = persist(writable(defaultState), localStorage(), 'codeStore');
+export const serializedState: Readable<string> = derived([codeStore], ([code], set) => {
+	set(serializeState(code));
 });

 export const loadState = (data: string): void => {
@@ -92,33 +57,30 @@ 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: State): void => {
-	inputStateStore.update((state) => {
+	codeStore.update((state) => {
 		return { ...state, ...newState };
 	});
 };

 let prompted = false;
-export const updateCode = (
-	code: string,
-	{ updateEditor, updateDiagram = false }: { updateEditor: boolean; updateDiagram?: boolean }
-): void => {
+export const updateCode = (code: string, updateEditor: boolean, updateDiagram = false): 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? Click the sync logo to manually sync.'
 		);
@@ -130,19 +92,19 @@ export const updateCode = (
 		}
 	}

-	inputStateStore.update((state) => {
+	codeStore.update((state) => {
 		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';
@@ -153,11 +115,11 @@ export const toggleDarkTheme = (dark: boolean): void => {
 };

 export const initURLSubscription = (): void => {
-	stateStore.subscribe(({ serialized }) => {
-		history.replaceState(undefined, undefined, `#${serialized}`);
+	serializedState.subscribe((state: string) => {
+		history.replaceState(undefined, undefined, `#${state}`);
 	});
 };

 export const getStateString = (): string => {
-	return JSON.stringify(get(inputStateStore));
+	return JSON.stringify(get(codeStore));
 };
@@ -1,91 +1,46 @@
 <script lang="ts">
-	import Editor from '$lib/components/editor.svelte';
+	import Editor from '$lib/components/editor/editor.svelte';
 	import Navbar from '$lib/components/navbar.svelte';
 	import Preset from '$lib/components/preset.svelte';
 	import Actions from '$lib/components/actions.svelte';
 	import View from '$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 { initHandler, syncDiagram } from '$lib/util/util';
+	import { errorStore } from '$lib/util/error';
 	import { onMount } from 'svelte';
-	import type { EditorUpdateEvent, State, Tab, DocConfig } from '$lib/types';
+	import mermaid from 'mermaid';
+	import type monaco from 'monaco-editor';
+	import type { EditorUpdateEvent, State, Tab } from '$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 } = {
+	serializedState; // Weird fix for error > serializedState is not defined. Treeshaking?
+	let selectedMode = 'code';
+	const languageMap = {
 		code: 'mermaid',
 		config: 'json'
 	};
-	const docURLBase = 'https://mermaid-js.github.io/mermaid';
-	const docMap: DocConfig = {
-		graph: {
-			code: '/#/flowchart',
-			config: '/#/flowchart?id=configuration'
-		},
-		flowchart: {
-			code: '/#/flowchart',
-			config: '/#/flowchart?id=configuration'
-		},
-		sequenceDiagram: {
-			code: '/#/sequenceDiagram',
-			config: '/#/sequenceDiagram?id=configuration'
-		},
-		classDiagram: {
-			code: '/#/classDiagram',
-			config: '/#/classDiagram?id=configuration'
-		},
-		'stateDiagram-v2': {
-			code: '/#/stateDiagram'
-		},
-		gantt: {
-			code: '/#/gantt',
-			config: '/#/gantt?id=configuration'
-		},
-		pie: {
-			code: '/#/pie'
-		},
-		erDiagram: {
-			code: '/#/entityRelationshipDiagram',
-			config: '/#/entityRelationshipDiagram?id=styling'
-		},
-		journey: {
-			code: '/#/user-journey'
-		},
-		gitGraph: {
-			code: '/#/gitgraph',
-			config: '/#/gitgraph?id=gitgraph-specific-configuration-options'
-		}
-	};
 	let text = '';
-	let docURL = docURLBase;
-	let language: Languages = 'mermaid';
+	let language: 'mermaid' | 'json' = 'mermaid';
+	let errorMarkers: monaco.editor.IMarkerData[] = [];
 	$: language = languageMap[selectedMode];
 	$: {
 		if (selectedMode === 'code') {
-			text = $stateStore.code;
+			text = $codeStore.code;
 		} else {
-			text = $stateStore.mermaid;
+			text = $codeStore.mermaid;
 		}
 	}

-	stateStore.subscribe((state: State) => {
+	codeStore.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[selectedMode] ?? docConfig.code ?? '');
-		}
 	});
 	const tabSelectHandler = (message: CustomEvent<Tab>) => {
-		selectedMode = message.detail.id === 'code' ? 'code' : 'config';
-		$inputStateStore.updateEditor = true;
+		$codeStore.updateEditor = true;
+		selectedMode = message.detail.id;
 	};
 	const tabs: Tab[] = [
 		{
@@ -100,26 +55,55 @@
 		}
 	];

+	const handleCodeUpdate = (code: string): void => {
+		mermaid.parse(code);
+		updateCode(code, false);
+	};
+
+	const handleConfigUpdate = (config: string): void => {
+		JSON.parse(config);
+		updateConfig(config, false);
+	};
+
 	const updateHandler = (message: CustomEvent<EditorUpdateEvent>) => {
-		const code = message.detail.text;
-		if (selectedMode === 'code') {
-			updateCode(code, {
-				updateEditor: false
-			});
-		} else {
-			updateConfig(code, false);
+		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);
 		}
 	};

 	const viewDiagram = () => {
-		window.open(`${base}/view#${$stateStore.serialized}`, '_blank').focus();
+		window.open(`${base}/view#${$serializedState}`, '_blank').focus();
 	};

 	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 = `${newWidth}px`;
@@ -144,32 +128,28 @@
 			<Card on:select={tabSelectHandler} {tabs} isCloseable={false} title="Mermaid">
 				<div slot="actions">
 					<div class="flex flex-row items-center">
-						<div class="form-control flex-row items-center">
-							<label class="cursor-pointer label" for="autoSync">
-								<span> Auto sync</span>
-								<input
-									type="checkbox"
-									class="toggle {$stateStore.autoSync ? 'btn-secondary' : 'toggle-primary'} ml-1"
-									id="autoSync"
-									bind:checked={$inputStateStore.autoSync} />
-							</label>
-						</div>
-
-						{#if !$stateStore.autoSync}
+						{#if !$codeStore.autoSync}
 							<button
-								class="btn btn-secondary btn-xs mr-1"
+								class="btn btn-secondary btn-xs"
 								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 class="form-control">
+							<label class="cursor-pointer label" for="autoSync">
+								<input
+									type="checkbox"
+									class="toggle toggle-primary mr-1"
+									id="autoSync"
+									bind:checked={$codeStore.autoSync} />
+								<span> Auto sync</span>
+							</label>
+						</div>
 					</div>
 				</div>

-				<Editor on:update={updateHandler} {language} bind:text />
+				<Editor on:update={updateHandler} {language} bind:text {errorMarkers} />
 			</Card>

 			<div class="-mt-2">
@@ -183,9 +163,9 @@
 			<Card title="Diagram" isCloseable={false}>
 				<button
 					slot="actions"
-					class="btn btn-secondary btn-xs"
+					class="btn btn-primary btn-xs shadow-lg"
 					title="View diagram in new page"
-					on:click|stopPropagation={() => viewDiagram()}><i class="far fa-eye mr-1" />View</button>
+					on:click|stopPropagation={() => viewDiagram()}><i class="far fa-eye mr-2" /> View</button>

 				<div class="flex-1 overflow-auto">
 					<View />
@@ -1,4 +0,0 @@
-import matchers from '@testing-library/jest-dom/matchers';
-import { expect } from 'vitest';
-
-expect.extend(matchers);
@@ -12,16 +12,19 @@ const config = {
 	],
 	kit: {
 		adapter: adapter({
-			pages: `docs`
+			pages: `docs${process.env['BETA'] ? '/beta' : ''}`
 		}),
 		paths: process.env['DEPLOY']
 			? {
-					base: `/mermaid-live-editor`
+					base: `/mermaid-live-editor${process.env['BETA'] ? '/beta' : ''}`
 			  }
 			: {},
+		// hydrate the <div id="svelte"> element in src/app.html
+		target: '#svelte',
 		trailingSlash: 'ignore',
-		prerender: {
-			default: true
+		vite: {
+			envPrefix: 'MERMAID_',
+			optimizeDeps: { include: ['mermaid'] }
 		}
 	}
 };
@@ -1,16 +1,39 @@
 {
+	"compilerOptions": {
+		"moduleResolution": "node",
+		"module": "es2020",
+		"lib": ["es2020", "ESNext", "DOM.Iterable", "DOM"],
+		"target": "es2019",
+		/**
+			svelte-preprocess cannot figure out whether you have a value or a type, so tell TypeScript
+			to enforce using \`import type\` instead of \`import\` for Types.
+			*/
+		"importsNotUsedAsValues": "error",
+		"isolatedModules": true,
+		"resolveJsonModule": true,
+		/**
+			To have warnings/errors of the Svelte compiler at the correct position,
+			enable source maps by default.
+			*/
+		"sourceMap": true,
+		"esModuleInterop": true,
+		"skipLibCheck": true,
+		"forceConsistentCasingInFileNames": true,
+		"baseUrl": ".",
+		"allowJs": true,
+		"checkJs": true,
+		"paths": {
+			"$lib/*": ["src/lib/*"]
+		}
+	},
 	"include": [
 		"src/**/*.d.ts",
+		"src/**/*.js",
 		"src/**/*.ts",
 		"src/**/*.svelte",
 		"cypress/**/*.ts",
 		"cypress/**/*.js",
-		"static/**/*.js"
-	],
-	"compilerOptions": {
-		"resolveJsonModule": true,
-		"allowSyntheticDefaultImports": true,
-		"types": ["vitest/importMeta"]
-	},
-	"extends": "./.svelte-kit/tsconfig.json"
+		"static/**/*.js",
+		"src/pako.mts"
+	]
 }
@@ -1,21 +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']
-	},
-	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;