78 lines
2.1 KiB
JavaScript
78 lines
2.1 KiB
JavaScript
const fs = require('fs');
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const path = require('path');
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const glob = require('glob');
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// 递归地构建嵌套结构
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function buildNestedStructure(filePaths) {
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const root = [];
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filePaths.forEach((filePath) => {
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const parts = filePath.split('/').slice(2, -1); // 去掉 'src/pages' 'meta.json'
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let current = root;
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let parentFullRoute = '';
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parts.forEach((part, index) => {
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const find = current.find((item) => item._path === part);
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if (find) {
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current = find;
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} else {
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current.push({
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_path: part,
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_children: [],
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});
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current = current[current.length - 1];
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}
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if (index === parts.length - 1) {
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const content = fs.readFileSync(filePath, 'utf-8');
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const contentJSON = JSON.parse(content);
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Object.assign(current, contentJSON, {
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_fullpath: parts.join('/'),
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_fullroute: parentFullRoute
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? `${parentFullRoute}/${contentJSON.route || part}`
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: contentJSON.route || part,
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});
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} else {
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parentFullRoute = current._fullroute || parentFullRoute;
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}
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current = current._children;
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});
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});
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return root;
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}
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// 自定义插件：用于生成 meta.js 文件
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class GenerateMetaPlugin {
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apply(compiler) {
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compiler.hooks.emit.tapAsync(
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'GenerateMetaPlugin',
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(compilation, callback) => {
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const metaFiles = glob.sync('src/pages/**/meta.json');
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const metaInfo = buildNestedStructure(metaFiles);
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const output = `export const metaInfo = ${JSON.stringify(metaInfo, null, 2)};`;
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const outputPath = path.resolve(__dirname, '../src/meta.js');
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if (fs.existsSync(outputPath)) {
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const existingContent = fs.readFileSync(outputPath, 'utf8');
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if (existingContent === output) {
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// 文件已存在且内容相同，跳过文件生成
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return callback();
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}
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}
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fs.writeFileSync(outputPath, output, 'utf-8');
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console.log('meta.js has been generated successfully!');
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callback();
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},
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);
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}
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}
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module.exports = GenerateMetaPlugin;
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