45 lines
1.0 KiB
HTML
45 lines
1.0 KiB
HTML
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<!doctype html>
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<!--
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Copyright 2018 The Go Authors. All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file.
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-->
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<html>
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<head>
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<meta charset="utf-8">
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<title>Go wasm</title>
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</head>
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<body>
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<script src="wasm_exec.js"></script>
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<script>
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if (!WebAssembly.instantiateStreaming) { // polyfill
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WebAssembly.instantiateStreaming = async (resp, importObject) => {
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const source = await (await resp).arrayBuffer();
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return await WebAssembly.instantiate(source, importObject);
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};
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}
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const go = new Go();
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let mod, inst;
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WebAssembly.instantiateStreaming(fetch("lib.wasm"), go.importObject).then((result) => {
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mod = result.module;
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inst = result.instance;
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document.getElementById("runButton").disabled = false;
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});
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async function run() {
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await go.run(inst);
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inst = await WebAssembly.instantiate(mod, go.importObject); // reset instance
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}
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</script>
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<button onClick="run();" id="runButton" disabled>Run</button>
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</body>
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</html>
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