简单的页面性能报告获取方式。

lighthouse-storage-case.js

/**
 * Simple Example For Web Page Performance
 * 
 * @date   2018.05.19
 * @author soulteary
 */

const {resolve, relative, join} = require('path');
const {readdirSync, existsSync, mkdirSync} = require('fs');
const {execSync} = require('child_process');

/**
 * example:
 * {
 *   "storage":"./reports"
 * }
 */

const {storage} = require('./config.json');

const now = new Date();
const targetURL = process.argv.slice(2)[0];

if (!targetURL) {
  console.error(`# Need TargetURL\n> ${relative('.', process.argv[1])} $TARGET_URL`);
  process.exit(1);
}

const date = `${now.getFullYear()}-${now.getMonth()}-${now.getDay()}`;
const basePath = resolve('.', join(storage, date, targetURL.replace(/^https?:\/\/(.*?)\/?/, '$1')));

basePath.split('/').slice(1).reduce((prev, item) => {
  prev = `${prev}/${item}`;
  if (!existsSync(prev)) mkdirSync(prev);
  return prev;
}, '');

const distPath = join(basePath, `${readdirSync(basePath).length}`);
if (!existsSync(distPath)) mkdirSync(distPath);

execSync(`npx lighthouse ${targetURL} --verbose --save-assets=true --output-path=${relative('.', join(distPath, 'index.html'))} --view`);