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60 lines
1.1 KiB
60 lines
1.1 KiB
self.window = self; // egregious hack to get magic-string to work in a worker
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let fulfil_ready;
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const ready = new Promise(f => {
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fulfil_ready = f;
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});
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self.addEventListener('message', async event => {
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switch (event.data.type) {
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case 'init':
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importScripts(
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event.data.version === 'local' ?
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'/repl/local?file=compiler.js' :
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`https://unpkg.com/svelte@${event.data.version}/compiler.js`
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);
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fulfil_ready();
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break;
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case 'compile':
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await ready;
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postMessage(compile(event.data));
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break;
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}
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});
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const commonCompilerOptions = {
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dev: false,
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css: false
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};
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function compile({ id, source, options, entry }) {
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try {
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const { js, css, stats, vars } = svelte.compile(
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source,
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Object.assign({}, commonCompilerOptions, options)
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);
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return {
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id,
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result: {
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js: js.code,
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css: css.code || `/* Add a <sty` + `le> tag to see compiled CSS */`
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}
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};
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} catch (err) {
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let message = `/* Error compiling component\n\n${err.message}`;
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if (err.frame) message += `\n${err.frame}`;
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message += `\n\n*/`;
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return {
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id,
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result: {
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js: message,
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css: message
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}
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};
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}
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}
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