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index.html
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<html>
<head>
<meta content="text/html;charset=utf-8" http-equiv="Content-Type"/>
</head>
<body>
<!-- Note the usage of `type=module` here as this is an ES6 module -->
<script type="module">
// Use ES module import syntax to import functionality from the module
// that we have compiled.
//
// Note that the `default` import is an initialization function which
// will "boot" the module and make it ready to use. Currently browsers
// don't support natively imported WebAssembly as an ES module, but
// eventually the manual initialization won't be required!
import * as wasm from './pkg/phantomsdrdsp.js';
async function run() {
// First up we need to actually load the wasm file, so we use the
// default export to inform it where the wasm file is located on the
// server, and then we wait on the returned promise to wait for the
// wasm to be loaded.
//
// It may look like this: `await init('./pkg/without_a_bundler_bg.wasm');`,
// but there is also a handy default inside `init` function, which uses
// `import.meta` to locate the wasm file relatively to js file.
//
// Note that instead of a string you can also pass in any of the
// following things:
//
// * `WebAssembly.Module`
//
// * `ArrayBuffer`
//
// * `Response`
//
// * `Promise` which returns any of the above, e.g. `fetch("./path/to/wasm")`
//
// This gives you complete control over how the module is loaded
// and compiled.
//
// Also note that the promise, when resolved, yields the wasm module's
// exports which is the same as importing the `*_bg` module in other
// modes
let input = new URL('phantomsdrdsp_bg.wasm', import.meta.url)
//await init(input);
// And afterwards we can use all the functionality defined in wasm.
wasm.greet();
}
run();
</script>
</body>
</html>