8.14.0-rc

chore(deps-dev): bump typescript from 4.5.4 to 4.5.5

.github/workflows/update-browserlist.yml

@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v2
       - run: npx browserslist@latest --update-db
       - name: Commit changes
-        uses: EndBug/add-and-commit@v7
+        uses: EndBug/add-and-commit@v8
         with:
           author_name: ${{ github.actor }}
           author_email: ${{ github.actor }}@users.noreply.github.com

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

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v2
       - run: ./bin/update-monaco
       - name: Commit changes
-        uses: EndBug/add-and-commit@v7
+        uses: EndBug/add-and-commit@v8
         with:
           author_name: ${{ github.actor }}
           author_email: ${{ github.actor }}@users.noreply.github.com

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+	"editor.formatOnSave": true,
+	"cSpell.words": ["pako", "Serde", "serdes"]
+}

Dockerfile

@@ -6,7 +6,7 @@
 # Stop               : press ctrl + c 
 #                                     or 
 #                                        docker stop mermaid-live-editor
-FROM node:17.3.1 as mermaid-live-editor-builder 
+FROM node:17.4.0 as mermaid-live-editor-builder 
 COPY --chown=node:node . /home
 WORKDIR /home
 RUN yarn install

README.md

@@ -32,6 +32,11 @@ docker run --publish 8000:80 ghcr.io/mermaid-js/mermaid-live-editor
 When building, Set the Environment variable MERMAID_RENDERER_URL to the rendering service.
 Default is `https://mermaid.ink`
 
+### To configure Kroki Instance URL
+
+When building, Set the Environment variable MERMAID_KROKI_RENDERER_URL to your Kroki instance.
+Default is `https://kroki.io`
+
 ### Development
 
 ```bash

cypress/integration/loadSite.spec.ts

@@ -93,4 +93,31 @@ describe('Site Loads', () => {
 		cy.visit('/#/edit/eyJjb2RlIjoiZ3JhcGggVERcbiAg');
 		cy.contains('Please Click here to Raise an issue in github.');
 	});
+
+	it('should load uncompressed URL', () => {
+		cy.visit(
+			'/edit/#eyJjb2RlIjoiZ3JhcGggVERcbiAgICBBW05ldyBZZWFyXSAtLT58R2V0IG1vbmV5fCBCKEdvIHNob3BwaW5nKVxuICAgIEIgLS0-IEN7TGV0IG1lIHRoaW5rfVxuICAgIEMgLS0-fE9uZXwgRFtMYXB0b3BdXG4gICAgQyAtLT58VHdvfCBFW2lQaG9uZV1cbiAgICBDIC0tPnxUaHJlZXwgRltmYTpmYS1jYXIgQ2FyXSIsIm1lcm1haWQiOiJ7XG4gIFwidGhlbWVcIjogXCJkZWZhdWx0XCJcbn0iLCJ1cGRhdGVFZGl0b3IiOmZhbHNlLCJhdXRvU3luYyI6dHJ1ZSwidXBkYXRlRGlhZ3JhbSI6ZmFsc2V9'
+		);
+		cy.contains('New Year');
+		cy.visit(
+			'/edit#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'
+		);
+		cy.contains('Animal');
+		cy.visit(
+			'/edit/#base64:eyJjb2RlIjoiZ3JhcGggVERcbiAgICBBW05ldyBZZWFyXSAtLT58R2V0IG1vbmV5fCBCKEdvIHNob3BwaW5nKVxuICAgIEIgLS0-IEN7TGV0IG1lIHRoaW5rfVxuICAgIEMgLS0-fE9uZXwgRFtMYXB0b3BdXG4gICAgQyAtLT58VHdvfCBFW2lQaG9uZV1cbiAgICBDIC0tPnxUaHJlZXwgRltmYTpmYS1jYXIgQ2FyXSIsIm1lcm1haWQiOiJ7XG4gIFwidGhlbWVcIjogXCJkZWZhdWx0XCJcbn0iLCJ1cGRhdGVFZGl0b3IiOmZhbHNlLCJhdXRvU3luYyI6dHJ1ZSwidXBkYXRlRGlhZ3JhbSI6ZmFsc2V9'
+		);
+		cy.contains('New Year');
+	});
+
+	it('should load compressed URL', () => {
+		cy.visit(
+			'/edit#pako:eNpVkM2KwkAQhF-l6dMK5gVyEDRxvYi7sF6WjIcm0zqDzg_jBJEk725Hd2G3Tw31VVFUj23QjCWeEkUD-1p5kFs2O77BN1M6QFEshg1ncMHzfYDV2ybA1YQYrT_NXvhqgqDqtxPGkI315_ElVU__h-cB6mZLMYd4-Kvsb2GAdWM_jcT_V0xicb03RyqPVLSUoJI-OEfHyZHV0rqfDAqzYccKS3k1pbNC5Ufhuqgp81rbHBJKxuXKc6Quh6-7b7HMqeNfqLYkC7gfanwAlW1ZvQ'
+		);
+		cy.contains('New Year');
+		cy.visit(
+			'/edit#pako:eNptkU1PwzAMhv9K5BOI9Q9EXBDbJA477YYqITcxndV8QD40weh_Jy1rGR0-OY_tV2_sEyivCSQogzGuGduAtnaixINji0bcf1WVWGfVXdMtx8M1faYm4B8sxR27JLClJd6nwK4VLTlN4bI4jMQd2pLe3C4KFhNNcLQ92jv9ADGLNoTdozc-zIV4ZDsNlud7RtVN7_5Sb_jYrFcN3iN_0pPbEqUZK3QbTP_Ojyv4NdR4bwTHlyMbPcOQ3WJ2CliBpWCRdbnLqFJDOpClGmRJNYauhtr1pS-_6bKMjebkA8hXNJFWgDn5_YdTIFPINDWdb3vu6r8BaWOZRQ'
+		);
+		cy.reload();
+		cy.contains('Animal');
+	});
 });

cypress/snapshots.js

@@ -16,7 +16,7 @@ module.exports = {
       "1": "{\"code\":\"graph TD\\n    A[Party] -->|Get money| B(Go shopping!!)\\n    \",\"mermaid\":\"{\\n  \\\"theme\\\": \\\"forest\\\",\\n  \\\"test\\\": \\\"hello world\\\"\\n}\",\"updateEditor\":false,\"autoSync\":true,\"updateDiagram\":true,\"loader\":{\"type\":\"files\",\"config\":{\"codeURL\":\"https://gist.githubusercontent.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/raw/4eb03887e6a41397e80bdcdbf94017c498f8f1e2/code.mmd\",\"configURL\":\"https://gist.githubusercontent.com/sidharthv96/6268a23e673a533dcb198f241fd7012a/raw/4eb03887e6a41397e80bdcdbf94017c498f8f1e2/config.json\"}}}"
     }
   },
-  "__version": "9.1.1",
+  "__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}"

package.json

@@ -15,15 +15,16 @@
 	},
 	"devDependencies": {
 		"@cypress/snapshot": "^2.1.7",
-		"@sveltejs/adapter-static": "1.0.0-next.22",
-		"@sveltejs/kit": "1.0.0-next.202",
+		"@sveltejs/adapter-static": "1.0.0-next.26",
+		"@sveltejs/kit": "1.0.0-next.236",
 		"@types/mermaid": "^8.2.7",
+		"@types/pako": "^1.0.3",
 		"@typescript-eslint/eslint-plugin": "^4.33.0",
 		"@typescript-eslint/parser": "^4.33.0",
-		"autoprefixer": "^10.4.0",
+		"autoprefixer": "^10.4.2",
 		"chai": "^4.3.4",
-		"cssnano": "^5.0.14",
-		"cypress": "9.2.0",
+		"cssnano": "^5.0.15",
+		"cypress": "9.3.1",
 		"cypress-localstorage-commands": "^1.6.1",
 		"eslint": "^7.32.0",
 		"eslint-config-prettier": "^8.1.0",
@@ -31,32 +32,34 @@
 		"eslint-plugin-es": "^4.1.0",
 		"eslint-plugin-mocha": "^10.0.3",
 		"eslint-plugin-postcss-modules": "^2.0.0",
-		"eslint-plugin-svelte3": "^3.2.1",
-		"eslint-plugin-tailwindcss": "^1.17.2",
+		"eslint-plugin-svelte3": "^3.4.0",
+		"eslint-plugin-tailwindcss": "^3.3.0",
 		"husky": "^7.0.4",
-		"lint-staged": "^12.1.4",
-		"mocha": "^9.1.3",
+		"lint-staged": "^12.2.2",
+		"mocha": "^9.1.4",
 		"node-html-parser": "^5.2.0",
 		"postcss": "^8.4.5",
-		"postcss-load-config": "^3.1.0",
+		"postcss-load-config": "^3.1.1",
 		"prettier": "~2.5.1",
-		"prettier-plugin-svelte": "^2.5.1",
-		"svelte": "^3.46.1",
-		"svelte-preprocess": "^4.10.1",
+		"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"
+		"typescript": "^4.5.5"
 	},
 	"type": "module",
 	"dependencies": {
 		"@analytics/google-analytics": "^0.5.3",
 		"@macfja/svelte-persistent-store": "^1.2.0",
-		"analytics": "^0.7.19",
-		"daisyui": "1.21.0",
+		"analytics": "^0.7.21",
+		"daisyui": "1.24.3",
 		"js-base64": "^3.7.2",
-		"mermaid": "8.13.8",
+		"mermaid": "8.14.0-rc1",
 		"moment": "^2.29.1",
 		"monaco-editor": "^0.31.1",
+		"monaco-mermaid": "^1.0.2",
+		"pako": "2.0.4",
 		"random-word-slugs": "^0.1.6"
 	},
 	"lint-staged": {

src/hooks.ts

@@ -0,0 +1,9 @@
+import type { Handle } from '@sveltejs/kit/types/hooks';
+
+export const handle: Handle = async ({ event, resolve }) => {
+	const response = await resolve(event, {
+		ssr: false
+	});
+
+	return response;
+};

src/lib/components/actions.svelte

@@ -2,8 +2,9 @@
 	import { browser } from '$app/env';
 
 	import Card from '$lib/components/card/card.svelte';
-	import { rendererUrl } from '$lib/util/env';
-	import { base64State, codeStore } from '$lib/util/state';
+	import { krokiRendererUrl, rendererUrl } from '$lib/util/env';
+	import { pakoSerde } from '$lib/util/serde';
+	import { serializedState, codeStore } from '$lib/util/state';
 	import { toBase64 } from 'js-base64';
 	import moment from 'moment';
 
@@ -17,7 +18,7 @@
 		}
 		const svgString = svg.outerHTML
 			.replaceAll('<br>', '<br/>')
-			.replaceAll(/<img([^>]*)>/g, (m, g) => `<img ${g} />`);
+			.replaceAll(/<img([^>]*)>/g, (m, g: string) => `<img ${g} />`);
 		return toBase64(svgString);
 	};
 
@@ -78,7 +79,7 @@
 			canvas.toBlob((blob) => {
 				try {
 					// @ts-ignore: https://github.com/microsoft/TypeScript-DOM-lib-generator/pull/1004/files
-					navigator.clipboard.write([
+					void navigator.clipboard.write([
 						/* eslint-disable no-undef */
 						// @ts-ignore: https://github.com/microsoft/TypeScript/issues/43821
 						new ClipboardItem({
@@ -108,7 +109,7 @@
 	};
 
 	const onCopyMarkdown = () => {
-		document.getElementById('markdown').select();
+		(document.getElementById('markdown') as HTMLInputElement).select();
 		document.execCommand('Copy');
 	};
 
@@ -129,6 +130,7 @@
 
 	let iUrl: string;
 	let svgUrl: string;
+	let krokiUrl: string;
 	let mdCode: string;
 	let imagemodeselected = 'auto';
 	let userimagesize = 1080;
@@ -137,14 +139,10 @@
 	if (browser && ['mermaid.live', 'netlify'].some((path) => window.location.host.includes(path))) {
 		isNetlify = true;
 	}
-	base64State.subscribe((encodedState: string) => {
-		const stateCopy = JSON.parse(JSON.stringify($codeStore));
-		if (typeof stateCopy.mermaid === 'string') {
-			stateCopy.mermaid = JSON.parse(stateCopy.mermaid);
-		}
-		const b64Code = toBase64(JSON.stringify(stateCopy), true);
-		iUrl = `${rendererUrl}/img/${b64Code}`;
-		svgUrl = `${rendererUrl}/svg/${b64Code}`;
+	serializedState.subscribe((encodedState: string) => {
+		iUrl = `${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>
@@ -168,6 +166,9 @@
 		<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

src/lib/components/editor.svelte

@@ -4,7 +4,7 @@
 	import { themeStore } from '$lib/util/theme';
 	import type monaco from 'monaco-editor';
 	import { createEventDispatcher, onMount } from 'svelte';
-	import { initEditor } from './util';
+	import initEditor from 'monaco-mermaid';
 
 	let divEl: HTMLDivElement = null;
 	let editor: monaco.editor.IStandaloneCodeEditor;

src/lib/components/editor/util.ts

@@ -1,552 +0,0 @@
-/* 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: [
-			['(', ')'],
-			['{', '}'],
-			['[', ']']
-		]
-	});
-};

src/lib/util/env.ts

@@ -1 +1,4 @@
-export const rendererUrl = import.meta.env.MERMAID_RENDERER_URL ?? 'https://mermaid.ink';
+export const rendererUrl: string =
+	(import.meta.env.MERMAID_RENDERER_URL as string) ?? 'https://mermaid.ink';
+export const krokiRendererUrl: string =
+	(import.meta.env.MERMAID_KROKI_RENDERER_URL as string) ?? 'https://kroki.io';

src/lib/util/serde.ts

@@ -0,0 +1,61 @@
+import { deflate, inflate } from 'pako';
+import { toUint8Array, fromUint8Array, toBase64, fromBase64 } from 'js-base64';
+import type { State } from '$lib/types';
+
+interface Serde {
+	serialize: (state: string) => string;
+	deserialize: (state: string) => string;
+}
+
+const base64Serde: Serde = {
+	serialize: (state: string): string => {
+		return toBase64(state, true);
+	},
+	deserialize: (state: string): string => {
+		return fromBase64(state);
+	}
+};
+
+export const pakoSerde: Serde = {
+	serialize: (state: string): string => {
+		const data = new TextEncoder().encode(state);
+		const compressed = deflate(data, { level: 9 });
+		return fromUint8Array(compressed, true);
+	},
+	deserialize: (state: string): string => {
+		const data = toUint8Array(state);
+		return inflate(data, { to: 'string' });
+	}
+};
+
+const serdes: { [key: string]: Serde } = {
+	base64: base64Serde,
+	pako: pakoSerde
+};
+
+type SerdeType = keyof typeof serdes;
+
+export const serializeState = (state: State): string => {
+	const json = JSON.stringify(state);
+	const defaultSerde: SerdeType = 'pako';
+	const serialized = serdes[defaultSerde].serialize(json);
+	return `${defaultSerde}:${serialized}`;
+};
+
+export const deserializeState = (state: string): State => {
+	let type: SerdeType, serialized: string;
+	if (state.includes(':')) {
+		let tempType: string;
+		[tempType, serialized] = state.split(':');
+		if (tempType in serdes) {
+			type = tempType;
+		} else {
+			throw new Error(`Unknown serde type: ${tempType}`);
+		}
+	} else {
+		type = 'base64';
+		serialized = state;
+	}
+	const json = serdes[type].deserialize(serialized);
+	return JSON.parse(json) as State;
+};

src/lib/util/state.ts

@@ -1,9 +1,9 @@
 import { writable, get, derived } from 'svelte/store';
 import type { Readable } from 'svelte/store';
-import { toBase64, fromBase64 } from 'js-base64';
 import { persist, localStorage } from '@macfja/svelte-persistent-store';
 import type { State } from '$lib/types';
 import { saveStatistics } from './stats';
+import { serializeState, deserializeState } from './serde';
 
 export const defaultState: State = {
 	code: `graph TD
@@ -37,17 +37,16 @@ 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"`;
 
 export const codeStore = persist(writable(defaultState), localStorage(), 'codeStore');
-export const base64State: Readable<string> = derived([codeStore], ([code], set) => {
-	set(toBase64(JSON.stringify(code), true));
+export const serializedState: Readable<string> = derived([codeStore], ([code], set) => {
+	set(serializeState(code));
 });
 
 export const loadState = (data: string): void => {
 	let state: State;
+	console.log('Loading', data);
 	try {
-		const stateStr = fromBase64(data);
-		console.log(`Trying to load state: ${stateStr}`);
-		state = JSON.parse(stateStr);
-		const mermaidConfig =
+		state = deserializeState(data);
+		const mermaidConfig: { [key: string]: string } =
 			typeof state.mermaid === 'string' ? JSON.parse(state.mermaid) : state.mermaid;
 		if (
 			mermaidConfig.securityLevel &&
@@ -116,7 +115,7 @@ export const toggleDarkTheme = (dark: boolean): void => {
 };
 
 export const initURLSubscription = (): void => {
-	base64State.subscribe((state: string) => {
+	serializedState.subscribe((state: string) => {
 		history.replaceState(undefined, undefined, `#${state}`);
 	});
 };

src/routes/edit.svelte

@@ -1,12 +1,12 @@
 <script lang="ts">
-	import Editor from '$lib/components/editor/editor.svelte';
+	import Editor from '$lib/components/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, codeStore, base64State } 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';
@@ -15,7 +15,7 @@
 	import type { EditorUpdateEvent, State, Tab } from '$lib/types';
 	import { base } from '$app/paths';
 
-	base64State; // Weird fix for error > base64State is not defined. Treeshaking?
+	serializedState; // Weird fix for error > serializedState is not defined. Treeshaking?
 	let selectedMode = 'code';
 	const languageMap = {
 		code: 'mermaid',
@@ -82,7 +82,7 @@
 					startLineNumber: e.hash.loc.first_line,
 					startColumn: e.hash.loc.first_column,
 					endLineNumber: e.hash.loc.last_line,
-					endColumn: e.hash.loc.last_column + 1,
+					endColumn: (e.hash.loc.last_column as number) + 1,
 					message: e.str
 				};
 				errorMarkers.push(marker);
@@ -96,7 +96,7 @@
 	};
 
 	const viewDiagram = () => {
-		window.open(`${base}/view#${$base64State}`, '_blank').focus();
+		window.open(`${base}/view#${$serializedState}`, '_blank').focus();
 	};
 
 	onMount(async () => {

svelte.config.js

@@ -19,7 +19,6 @@ const config = {
 					base: `/mermaid-live-editor${process.env['BETA'] ? '/beta' : ''}`
 			  }
 			: {},
-		ssr: false,
 		// hydrate the <div id="svelte"> element in src/app.html
 		target: '#svelte',
 		trailingSlash: 'ignore',

tsconfig.json

@@ -2,7 +2,7 @@
 	"compilerOptions": {
 		"moduleResolution": "node",
 		"module": "es2020",
-		"lib": ["es2020", "ESNext", "DOM.Iterable"],
+		"lib": ["es2020", "ESNext", "DOM.Iterable", "DOM"],
 		"target": "es2019",
 		/**
 			svelte-preprocess cannot figure out whether you have a value or a type, so tell TypeScript
@@ -33,6 +33,7 @@
 		"src/**/*.svelte",
 		"cypress/**/*.ts",
 		"cypress/**/*.js",
-		"static/**/*.js"
+		"static/**/*.js",
+		"src/pako.mts"
 	]
 }