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use temporary file for wat2wasm

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This commit is contained in:
Remko Tronçon 2022-04-15 15:28:48 +02:00
parent 7e2cf5dad5
commit 9d94df431f
2 changed files with 34 additions and 23 deletions
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31
build.js
View file

@ -102,32 +102,35 @@ async function handleBuildFinished(result) {
testIndex = testIndex.replace(`/${sourcefile}`, `/${outfile}`);
benchmarksIndex = benchmarksIndex.replace(`/${sourcefile}`, `/${outfile}`);
}
fs.writeFileSync("public/waforth/index.html", index);
fs.mkdirSync("public/waforth/tests", { recursive: true });
fs.writeFileSync("public/waforth/tests/index.html", testIndex);
fs.mkdirSync("public/waforth/benchmarks", { recursive: true });
fs.writeFileSync("public/waforth/benchmarks/index.html", benchmarksIndex);
await fs.promises.writeFile("public/waforth/index.html", index);
await fs.promises.mkdir("public/waforth/tests", { recursive: true });
await fs.promises.writeFile("public/waforth/tests/index.html", testIndex);
await fs.promises.mkdir("public/waforth/benchmarks", { recursive: true });
await fs.promises.writeFile(
"public/waforth/benchmarks/index.html",
benchmarksIndex
);
}
if (watch) {
// Simple static file server
createServer(function (req, res) {
createServer(async function (req, res) {
let f = path.join(__dirname, "public", req.url);
if (fs.lstatSync(f).isDirectory()) {
if ((await fs.promises.lstat(f)).isDirectory()) {
f = path.join(f, "index.html");
}
fs.readFile(f, function (err, data) {
if (err) {
res.writeHead(404);
res.end(JSON.stringify(err));
return;
}
try {
const data = await fs.promises.readFile(f);
res.writeHead(200);
res.end(data);
});
} catch (err) {
res.writeHead(404);
res.end(JSON.stringify(err));
}
}).listen(8080);
console.log("listening on port 8080");
buildConfig = withWatcher(buildConfig, handleBuildFinished, 8081);
}
esbuild.build(buildConfig).then(handleBuildFinished, () => process.exit(1));

26
scripts/esbuild/wasm-text.js
View file

@ -24,15 +24,23 @@ function wasmTextPlugin() {
});
build.onLoad({ filter: /.*/, namespace: "wasm-text" }, async (args) => {
// Would be handy if we could get output from stdout without going through file
const out = args.path.replace(".wat", ".wasm");
const flags = "";
// flags = --debug-names
// console.log("wat: compiling %s", args.path);
await exec(`wat2wasm ${flags} --output=${out} ${args.path}`);
return {
contents: await fs.promises.readFile(out),
loader: "binary",
};
const out = `wat2wasm.${Math.floor(
Math.random() * 1000000000
)}.tmp.wasm`;
try {
const flags = "";
// flags = --debug-names
// console.log("wat: compiling %s", args.path);
await exec(`wat2wasm ${flags} --output=${out} ${args.path}`);
return {
contents: await fs.promises.readFile(out),
loader: "binary",
};
} finally {
if ((await fs.promises.lstat(out)).isFile()) {
await fs.promises.unlink(out);
}
}
});
},
};