xdc-npm/check_latest.js

xnpm 命令行客户端

const  childProcess = require('child_process');
const  pkg = require('./package.json');
const  semver = require('semver');
const  fs = require('fs');
const  config = require('./config');
const  moment = require('moment');
require('colors');
const  parseArgv = require('./parse_argv');
const  todayStr = moment().format('YYYY-MM-DD');

// START 检查是否需要检查更新
let  customContent;
try {
  customContent = fs.readFileSync(config.tnpmcustomconfig, 'utf-8');
  customContent = JSON.parse(customContent);
  if (customContent.updateDate == todayStr && customContent.needUpdate == false) {
    return;
  }
} catch (e) {
  // 文件不存在
}
customContent = customContent || {};

// END 检查是否需要检查更新

const  program = parseArgv();

const  args = [];
if (program.proxy) {
  args.push(`--proxy=${program.proxy}`);
}
if (program.registry) {
  args.push(`--registry=${program.registry}`);
}

const  result = childProcess.execSync(`xnpm info xdc-npm version ${args.join(' ')}`);

const  currentVersion = pkg.version;
const  latestVersion = result.toString().trim();
const  needUpdate = semver.neq(latestVersion, currentVersion);
if (needUpdate || process.env.TNPM_DEBUG) {
  console.log(`目前最新版本的 xnpm 为：${latestVersion.green}, 你的当前版本为：${currentVersion.red}`);
  console.log(`升级命令：\`$ ${'npm install -g xnpm'.green}\``);
}
customContent.updateDate = todayStr;
customContent.needUpdate = needUpdate;
// 写回缓存
fs.writeFileSync(config.tnpmcustomconfig, JSON.stringify(customContent));