121 lines
3.3 KiB
Svelte
121 lines
3.3 KiB
Svelte
<script lang="ts">
|
|
import type { EditorMode } from '$lib/types';
|
|
import { stateStore, updateCode, updateConfig } from '$lib/util/state';
|
|
import { themeStore } from '$lib/util/theme';
|
|
import { syncDiagram } from '$lib/util/util';
|
|
import type monaco from 'monaco-editor';
|
|
import { onMount } from 'svelte';
|
|
import initEditor from 'monaco-mermaid';
|
|
import { logEvent } from '$lib/util/stats';
|
|
import { debounceEnabled } from '$lib/util/env';
|
|
|
|
let divEl: HTMLDivElement = null;
|
|
let editor: monaco.editor.IStandaloneCodeEditor;
|
|
let Monaco: typeof monaco;
|
|
let editorOptions: monaco.editor.IStandaloneEditorConstructionOptions = {
|
|
minimap: {
|
|
enabled: false
|
|
},
|
|
theme: 'mermaid',
|
|
overviewRulerLanes: 0
|
|
};
|
|
let text = '';
|
|
|
|
stateStore.subscribe(({ errorMarkers, editorMode, code, mermaid }) => {
|
|
if (!editor) return;
|
|
|
|
// Update editor text if it's different
|
|
const newText = editorMode === 'code' ? code : mermaid;
|
|
if (newText !== text) {
|
|
editor.setValue(newText);
|
|
text = newText;
|
|
}
|
|
|
|
// Update editor mode if it's different
|
|
const language = editorMode === 'code' ? 'mermaid' : 'json';
|
|
if (editor.getModel().getLanguageId() !== language) {
|
|
Monaco?.editor.setModelLanguage(editor.getModel(), language);
|
|
}
|
|
|
|
// Display errors if present
|
|
if (errorMarkers.length > 0) {
|
|
Monaco?.editor.setModelMarkers(editor.getModel(), 'test', errorMarkers);
|
|
}
|
|
});
|
|
|
|
themeStore.subscribe(({ isDark }) => {
|
|
editor && Monaco?.editor.setTheme(isDark ? 'mermaid-dark' : 'mermaid');
|
|
});
|
|
|
|
const handleUpdate = (text: string, mode: EditorMode) => {
|
|
if (mode === 'code') {
|
|
updateCode(text);
|
|
} else {
|
|
updateConfig(text);
|
|
}
|
|
};
|
|
|
|
// Debounce state updates to avoid performance issues
|
|
let debounce: { [key: string]: number } = {};
|
|
const updateHandler = (newText: string) => {
|
|
text = newText;
|
|
const mode = $stateStore.editorMode;
|
|
if (debounceEnabled) {
|
|
clearTimeout(debounce[mode]);
|
|
debounce[mode] = window.setTimeout(() => {
|
|
handleUpdate(text, mode);
|
|
}, 300);
|
|
} else {
|
|
handleUpdate(text, mode);
|
|
}
|
|
};
|
|
|
|
const loadMonaco = async () => {
|
|
let i = 0;
|
|
while (i++ < 500) {
|
|
try {
|
|
// @ts-ignore : This is a hack to handle a svelte-kit error when importing monaco.
|
|
Monaco = window.monaco;
|
|
return;
|
|
} catch {
|
|
await new Promise((r) => setTimeout(r, 100));
|
|
}
|
|
}
|
|
alert('Loading Monaco Editor failed. Please try refreshing the page.');
|
|
};
|
|
|
|
onMount(async () => {
|
|
await loadMonaco(); // Fix https://github.com/mermaid-js/mermaid-live-editor/issues/175
|
|
initEditor(Monaco);
|
|
editor = Monaco.editor.create(divEl, editorOptions);
|
|
editor.onDidChangeModelContent(() => {
|
|
updateHandler(editor.getValue());
|
|
});
|
|
editor.addAction({
|
|
id: 'mermaid-render-diagram',
|
|
label: 'Render Diagram',
|
|
keybindings: [Monaco.KeyMod.CtrlCmd | Monaco.KeyCode.Enter],
|
|
run: function () {
|
|
syncDiagram();
|
|
void logEvent('renderDiagram', {
|
|
method: 'keyboadShortcut'
|
|
});
|
|
}
|
|
});
|
|
Monaco?.editor.setTheme($themeStore.isDark ? 'mermaid-dark' : 'mermaid');
|
|
const resizeObserver = new ResizeObserver((entries) => {
|
|
editor.layout({
|
|
height: entries[0].contentRect.height,
|
|
width: entries[0].contentRect.width
|
|
});
|
|
});
|
|
|
|
resizeObserver.observe(divEl.parentElement);
|
|
return () => {
|
|
editor.dispose();
|
|
};
|
|
});
|
|
</script>
|
|
|
|
<div bind:this={divEl} id="editor" class="overflow-hidden" />
|