wip

playground/src/lib/wasm.ts

@@ -0,0 +1,74 @@
+import { readable } from 'svelte/store';
+
+declare global {
+	interface Window {
+		Go: {
+			new (): {
+				run: (inst: WebAssembly.Instance) => Promise<void>;
+				importObject: WebAssembly.Imports;
+			};
+		};
+		markaParseFile: (input: string) => string;
+		markaParseFileWithTemplate: (markdown: string, template: string) => string;
+		markaListTemplates: () => string;
+		markaGetTemplate: (name: string) => string;
+	}
+}
+
+export const wasmReady = readable(false, (set) => {
+	if (typeof window === 'undefined') {
+		return;
+	}
+
+	const loadWasm = async () => {
+		const go = new window.Go();
+		try {
+			const result = await WebAssembly.instantiateStreaming(fetch('/main.wasm'), go.importObject);
+			go.run(result.instance);
+			set(true);
+		} catch (error) {
+			console.error('Error loading wasm module:', error);
+		}
+	};
+
+	if (document.readyState === 'complete') {
+		loadWasm();
+	} else {
+		window.addEventListener('load', loadWasm);
+	}
+});
+
+export interface ParseResult {
+	data: unknown;
+	timings: { [key: string]: number };
+}
+export function parseMarkdown(markdown: string): ParseResult {
+	if (typeof window.markaParseFile !== 'function') {
+		throw new Error('Wasm module not ready');
+	}
+	const result = window.markaParseFile(markdown);
+	return JSON.parse(result);
+}
+
+export function parseMarkdownWithTemplate(markdown: string, template: string): ParseResult {
+	if (typeof window.markaParseFileWithTemplate !== 'function') {
+		throw new Error('Wasm module not ready');
+	}
+	const result = window.markaParseFileWithTemplate(markdown, template);
+	return JSON.parse(result);
+}
+
+export function listTemplates(): string[] {
+	if (typeof window.markaListTemplates !== 'function') {
+		throw new Error('Wasm module not ready');
+	}
+	const result = window.markaListTemplates();
+	return JSON.parse(result);
+}
+
+export function getTemplate(name: string): string {
+	if (typeof window.markaGetTemplate !== 'function') {
+		throw new Error('Wasm module not ready');
+	}
+	return window.markaGetTemplate(name);
+}