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webpack.js
35 lines (29 loc) · 1.25 KB
/
webpack.js
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const fs = require('fs');
const path = require('path');
const buildDeep = require('./buildDeep');
const writeChunk = require('./writeChunk');
const templateSingle = fs.readFileSync(path.join(__dirname, 'templateSingle.js'));
module.exports = async options => {
const mainModule = path.resolve(options.entry);
options.context = path.dirname(mainModule);
console.log('构建依赖树...');
const deepTree = await buildDeep(mainModule, options);
const deepTreeJSON = path.resolve(path.dirname(path.resolve(options.output)), 'deepTree.json');
fs.writeFileSync(deepTreeJSON, JSON.stringify(deepTree, null, 2), "utf-8");
console.log('拼接bundle...');
let buffer = [];
buffer.push(templateSingle);
buffer.push("\n/******/({\n");
buffer.push(writeChunk(deepTree, options));
buffer.push("/******/})");
buffer = buffer.join("");
const filename = path.resolve(options.output);
fs.writeFileSync(filename, buffer, "utf-8");
console.log('压缩bundle...');
const bf = fs.readFileSync(filename, "utf-8");
const min = filename.replace('.js', '.min.js');
const compile = require('google-closure-compiler-js').compile;
const out = compile({ jsCode: [{ src: bf }] });
fs.writeFileSync(min, out.compiledCode, "utf-8");
console.log('completed...');
};