Files
mini-programs/analyze.js
2026-02-14 12:59:21 +08:00

51 lines
1.3 KiB
JavaScript

const fs = require('fs');
const path = require('path');
// dist 目录路径,根据你项目实际情况修改
const DIST_DIR = path.join(__dirname, 'dist');
// 递归统计文件大小
function getFiles(dir) {
let results = [];
const list = fs.readdirSync(dir);
list.forEach(file => {
const filePath = path.join(dir, file);
const stat = fs.statSync(filePath);
if (stat && stat.isDirectory()) {
results = results.concat(getFiles(filePath));
} else {
results.push({ path: filePath, size: stat.size });
}
});
return results;
}
function formatSize(bytes) {
if (bytes < 1024) return bytes + ' B';
if (bytes < 1024 * 1024) return (bytes / 1024).toFixed(2) + ' KB';
return (bytes / (1024 * 1024)).toFixed(2) + ' MB';
}
function analyze() {
if (!fs.existsSync(DIST_DIR)) {
console.warn('dist 目录不存在,请先执行 taro build --type weapp');
return;
}
const files = getFiles(DIST_DIR);
const total = files.reduce((sum, f) => sum + f.size, 0);
console.log('文件大小分析(按从大到小排序):');
files
.sort((a, b) => b.size - a.size)
.forEach(f => {
console.log(
`${formatSize(f.size)} | ${(f.size / total * 100).toFixed(2)}% | ${path.relative(DIST_DIR, f.path)}`
);
});
console.log(`\n总大小: ${formatSize(total)}`);
}
analyze();