34 lines
814 B
JavaScript
34 lines
814 B
JavaScript
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importScripts('/public/go_wasm_exec.js');
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/*
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NOTE(ben): The structure here is a little funny but allows for some debouncing. Any postMessages
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that got queued up can run all at once, then it can process the latest one.
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*/
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let ready = false;
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let inputData = null;
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onmessage = ({ data }) => {
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inputData = data;
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setTimeout(doPreview, 0);
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}
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const go = new Go();
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WebAssembly.instantiateStreaming(fetch('/public/parsing.wasm'), go.importObject)
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.then(result => {
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go.run(result.instance); // don't await this; we want it to be continuously running
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ready = true;
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setTimeout(doPreview, 0);
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});
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const doPreview = () => {
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if (!ready || inputData === null) {
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return;
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}
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const result = parseMarkdown(inputData);
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inputData = null;
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postMessage(result);
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}
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