WIP - add extractor, generate snippet_data

node_modules/webpack/lib/node/ReadFileCompileWasmTemplatePlugin.js

@@ -0,0 +1,61 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const Template = require("../Template");
+const WasmMainTemplatePlugin = require("../wasm/WasmMainTemplatePlugin");
+
+class ReadFileCompileWasmTemplatePlugin {
+	constructor(options) {
+		this.options = options || {};
+	}
+
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap(
+			"ReadFileCompileWasmTemplatePlugin",
+			compilation => {
+				const generateLoadBinaryCode = path =>
+					Template.asString([
+						"new Promise(function (resolve, reject) {",
+						Template.indent([
+							"var { readFile } = require('fs');",
+							"var { join } = require('path');",
+							"",
+							"try {",
+							Template.indent([
+								`readFile(join(__dirname, ${path}), function(err, buffer){`,
+								Template.indent([
+									"if (err) return reject(err);",
+									"",
+									"// Fake fetch response",
+									"resolve({",
+									Template.indent([
+										"arrayBuffer() { return Promise.resolve(buffer); }"
+									]),
+									"});"
+								]),
+								"});"
+							]),
+							"} catch (err) { reject(err); }"
+						]),
+						"})"
+					]);
+
+				const plugin = new WasmMainTemplatePlugin(
+					Object.assign(
+						{
+							generateLoadBinaryCode,
+							supportsStreaming: false
+						},
+						this.options
+					)
+				);
+				plugin.apply(compilation.mainTemplate);
+			}
+		);
+	}
+}
+
+module.exports = ReadFileCompileWasmTemplatePlugin;