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