Created
December 29, 2017 11:09
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helper function for web assembly fetch and instantiate
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| function fetchAndInstantiateWasm (url, imports) { | |
| return fetch(url) | |
| .then(res => { | |
| if (res.ok) | |
| return res.arrayBuffer(); | |
| throw new Error('Unable to fetch Web Assembly file ${url}.'); | |
| }) | |
| .then(bytes => WebAssembly.compile(bytes)) | |
| .then(module => WebAssembly.instantiate(module, imports || {})) | |
| .then(instance => instance.exports); | |
| } | |
| fetchAndInstantiateWasm('./program.wasm') | |
| .then(m => { | |
| window.getSqrt = m.getSqrt; | |
| }); |
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