46 lines
1.7 KiB
JavaScript
46 lines
1.7 KiB
JavaScript
const crypto = require('crypto');
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const { generateAsset } = require('./utils');
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const emitFileCaches = {};
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function md5 (str) {
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const hash = crypto.createHash('md5');
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hash.update(str);
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return hash.digest('hex');
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}
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function emitFile (filePath, source, compilation) {
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const emitFileMD5 = md5(filePath + source);
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if (emitFileCaches[filePath] !== emitFileMD5) {
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emitFileCaches[filePath] = emitFileMD5;
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compilation.assets[filePath] = generateAsset(source);
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}
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}
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// 为独立分包【生成】入口执行文件，代替主包中的app.js
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class GenerateIndepndentEntryPlugin {
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apply (compiler) {
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compiler.hooks.emit.tapPromise('GenerateIndepndentEntryPlugin', compilation => {
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return new Promise((resolve, reject) => {
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try {
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// debugger
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const independentPkgs = Object.values(process.UNI_SUBPACKAGES).filter(subPkgItem => subPkgItem.independent) || [];
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const independentEntry = independentPkgs.map(independentPkgItem => {
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return {
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file: `${independentPkgItem.root}/common/index.js`,
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source: `require('runtime.js');require('library.js');require('vendor.js');require('main.js');`,
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};
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});
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independentEntry.forEach(({ file, source }) => emitFile(file, source, compilation));
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resolve();
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} catch (e) {
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console.error('independent.error', 'GenerateIndepndentEntryPlugin', e);
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reject(e);
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}
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});
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});
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}
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}
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module.exports = GenerateIndepndentEntryPlugin; |