107 lines
3.6 KiB
JavaScript
107 lines
3.6 KiB
JavaScript
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const path = require('path');
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const fs = require('fs');
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class OutputSourcePlugin {
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constructor({ output, allDependentOutputConfig }) {
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this.output = output;
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this.allDependentOutputConfig = allDependentOutputConfig && JSON.parse(allDependentOutputConfig) || {};
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}
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apply(compiler) {
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compiler.hooks.done.tap(
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'OutputSourcePlugin',
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({ compilation }) => {
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let outputPath = compilation.compiler.outputPath,
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configJSONs = [];
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for (let index = 0; index < compilation.entries.length; index++) {
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const resource = compilation.entries[index].resource;
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if (fs.existsSync(path.join(resource, '../config.json'))) {
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configJSONs.push(path.join(resource, '../config.json'))
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}
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}
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[...compilation.fileDependencies, ...configJSONs].forEach(file => {
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if (!file.includes('node_modules')) {
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let targetPath = path.resolve(
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path.resolve(outputPath, typeof this.output === 'function' ? this.output(file) : this.output),
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path.relative(path.resolve(__dirname, '../'), file),
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), targetDir = path.resolve(targetPath, '../');
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mkdir(targetDir);
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fs.copyFileSync(file, targetPath);
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// fs.writeFileSync(targetPath, fs.readFileSync(file));
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}
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});
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// 处理指定在入口的config.json配置独立输出的文件 将a复制到b
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if (Object.keys(this.allDependentOutputConfig).length) {
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// 复制目录
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Object.entries(this.allDependentOutputConfig).forEach(([input, output]) => {
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const curInput = path.resolve(outputPath, input.replace('/index', ''));
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const curOutput = path.resolve(outputPath, output);
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copyDir(curInput, curOutput);
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});
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}
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},
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);
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}
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}
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/**
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* 复制文件夹到目标文件夹
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* @param {string} src 源目录
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* @param {string} dest 目标目录
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* @param {function} callback 回调
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*/
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const copyDir = (src, dest, callback) => {
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const copy = (copySrc, copyDest) => {
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fs.readdir(copySrc, (err, list) => {
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if (err) {
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callback(err);
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return;
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}
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list.forEach((item) => {
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const ss = path.resolve(copySrc, item);
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fs.stat(ss, (err, stat) => {
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if (err) {
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callback(err);
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} else {
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const curSrc = path.resolve(copySrc, item);
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const curDest = path.resolve(copyDest, item);
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if (stat.isFile()) {
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// 文件，直接复制
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fs.createReadStream(curSrc).pipe(fs.createWriteStream(curDest));
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} else if (stat.isDirectory()) {
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// 目录，进行递归
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fs.mkdirSync(curDest, { recursive: true });
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copy(curSrc, curDest);
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}
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}
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});
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});
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});
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};
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fs.access(dest, (err) => {
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if (err) {
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// 若目标目录不存在，则创建
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fs.mkdirSync(dest, { recursive: true });
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}
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copy(src, dest);
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});
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}
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function mkdir(dir) {
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if (!fs.existsSync(dir)) {
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let parentDir = path.resolve(dir, '../');
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mkdir(parentDir);
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fs.mkdirSync(dir);
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}
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}
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module.exports = OutputSourcePlugin;
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