index.html

<!DOCTYPE html>
<html lang="ja">
    <head>
        <meta charset="utf-8">
        <title></title>
        <script>
         let buffer = "";
         function printChar(c) {
             const s = String.fromCharCode(c);
             buffer += s;
             if (s === "\n") {
                 console.log(buffer);
                 buffer = "";
             }
         }
         let importObj = {
             "js-ffi": {print: printChar},
         };
         let rt;
         let prog;
         fetch('webml-rt/target/wasm32-unknown-unknown/release/webml_rt.wasm').then(response =>
             response.arrayBuffer()
         ).then(buffer =>
             WebAssembly.instantiate(buffer, {})
         ).then(({module, instance}) => {
             rt = instance;
             importObj["webml-rt"] = {
                 alloc: instance.exports.alloc,
                 init: instance.exports.init,
                 memory: instance.exports.memory,
             };
         }).then(_ =>
             fetch('out.wasm')
         ).then(response =>
             response.arrayBuffer()
         ).then(buffer =>
             WebAssembly.instantiate(buffer, importObj)
         ).then(({module, instance}) => {
             /* const scriptElem = document.createElement('script');
              * scriptElem.src = 'out.js';
              * document.body.appendChild(scriptElem); */
             prog = instance
         }
         )
         ;
        </script>
    </head>
    <body></body>
</html>