source control 1.1

Tomas

2022-05-19 957a1f10a06fdbb76f1a0ba94fe44126c613fee3

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/*
    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;