Files
mermaid-live-editor/src/lib/components/DesktopEditor.svelte
T

119 lines
3.3 KiB
Svelte

<script lang="ts">
import type { EditorProps } from '$/types';
import { stateStore } from '$/util/state';
import { initEditor } from '$lib/util/monacoExtra';
import { errorDebug } from '$lib/util/util';
import { mode } from 'mode-watcher';
import * as monaco from 'monaco-editor';
import monacoEditorWorker from 'monaco-editor/esm/vs/editor/editor.worker?worker';
import monacoJsonWorker from 'monaco-editor/esm/vs/language/json/json.worker?worker';
import { onMount } from 'svelte';
const { onUpdate }: EditorProps = $props();
let divElement: HTMLDivElement | undefined = $state();
let editor: monaco.editor.IStandaloneCodeEditor | undefined;
let editorOptions = {
minimap: {
enabled: false
},
overviewRulerLanes: 0
} satisfies monaco.editor.IStandaloneEditorConstructionOptions;
let currentText = '';
const jsonModel = monaco.editor.createModel(
'',
'json',
monaco.Uri.parse('internal://config.json')
);
const mermaidModel = monaco.editor.createModel(
'',
'mermaid',
monaco.Uri.parse('internal://mermaid.mmd')
);
onMount(() => {
self.MonacoEnvironment = {
getWorker(_, label) {
if (label === 'json') {
return new monacoJsonWorker();
}
return new monacoEditorWorker();
}
};
if (!divElement) {
throw new Error('divEl is undefined');
}
monaco.languages.json.jsonDefaults.setDiagnosticsOptions({
validate: true,
enableSchemaRequest: true,
schemas: [
{
fileMatch: ['config.json'],
uri: 'https://mermaid.js.org/schemas/config.schema.json'
}
]
});
initEditor(monaco);
errorDebug();
editor = monaco.editor.create(divElement, editorOptions);
editor.onDidChangeModelContent(({ isFlush }) => {
const newText = editor?.getValue();
if (!newText || currentText === newText || isFlush) {
return;
}
currentText = newText;
onUpdate(currentText);
});
const unsubscribeState = stateStore.subscribe(({ errorMarkers, editorMode, code, mermaid }) => {
if (!editor) {
return;
}
const model = editorMode === 'code' ? mermaidModel : jsonModel;
if (editor.getModel()?.id !== model.id) {
editor.setModel(model);
}
// Update editor text if it's different
const newText = editorMode === 'code' ? code : mermaid;
if (newText !== currentText) {
editor.setScrollTop(0);
editor.setValue(newText);
currentText = newText;
}
// Display/clear errors
monaco.editor.setModelMarkers(model, 'mermaid', errorMarkers);
});
const unsubscribeMode = mode.subscribe((mode) => {
editor && monaco.editor.setTheme(`mermaid${mode === 'dark' ? '-dark' : ''}`);
});
const resizeObserver = new ResizeObserver((entries) => {
editor?.layout({
height: entries[0].contentRect.height,
width: entries[0].contentRect.width
});
});
if (divElement.parentElement) {
resizeObserver.observe(divElement);
}
return () => {
unsubscribeState();
unsubscribeMode();
resizeObserver.disconnect();
editor?.dispose();
};
});
</script>
<div bind:this={divElement} id="editor" class="h-full flex-grow overflow-hidden"></div>