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Test formatting; Wire webpack loader to asc

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This commit is contained in:
dcodeIO
2018-02-05 17:10:14 +01:00
parent a0b39da7cf
commit 41c0f2c6c3
5 changed files with 244 additions and 201 deletions
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61
lib/webpack/index.js
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@ -1,21 +1,58 @@
var base64 = require("@protobufjs/base64");
const fs = require("fs");
const path = require("path");
const asc = require("assemblyscript/bin/asc.js");
const base64 = require("@protobufjs/base64");
const MAGIC = Buffer.from([ 0x00, 0x61, 0x73, 0x6D ]);
module.exports = loader;
function loader(buffer) {
var data = base64.encode(buffer, 0, buffer.length);
var code = [
if (MAGIC.compare(target, 0, 4) !== 0)
return compile.call(this);
else
return bundle.call(this, buffer);
}
loader.raw = true;
function compile() {
const basePath = this.resourcePath.replace(/\.\w+$/, "");
const args = [
path.basename(this.resourcePath),
"--baseDir", path.dirname(this.resourcePath),
"--binaryFile", basePath + ".wasm",
"--textFile", basePath + ".wast",
"--validate",
"--optimize"
];
if (this.sourceMap)
args.push("--sourceMap");
asc.main(args, err => {
if (err)
return this.callback(err);
fs.readFile(basePath + ".wasm", (err, binary) => {
if (err)
return this.callback(err);
if (!this.sourceMap)
return this.callback(null, bundle(binary));
fs.readFile(basePath + ".wasm.map", (err, sourceMap) => {
if (err)
return this.callback(err);
return this.callback(null, bundle(binary), sourceMap.toString("utf8"));
});
});
});
}
function bundle(binary) {
const data = base64.encode(binary, 0, binary.wasm);
return [
'var data = "' + data + '", wasm;',
'module.exports = function AssemblyScriptModule(options) {',
' if (!wasm)',
' wasm = new WebAssembly.Module(require("@assemblyscript/webpack/decode")(data));',
' return new WebAssembly.Instance(wasm, options && options.imports || {}).exports;',
'};'
];
return code.join("\n") + "\n";
].join("\n") + "\n";
}
loader.raw = true;
Object.defineProperties(module.exports = loader, {
__esModule: { value: true },
default: { value: loader }
});