dio-cli/lib/check-version.js

CLI for scaffolding dio-cli projects , 前端项目, 构建工具

const http = require("http");
const assert = require("assert");

const semver = require("semver");
const chalk = require("chalk");
const ora = require("ora");

const { resolveCwd } = require("./utils");
const { log, logSuccess, logBoundary, logLine } = require("../lib/log");
const getActualVersion = require("./get-actual-version");

module.exports = projectName =>
  async function() {
    assert(projectName, "Please specify the project's name");

    const cliPackageJson = require("../package");

    let localVersion =
      projectName === "dio-cli" ? cliPackageJson.version : await getActualVersion(projectName);

    const spinner = ora(`正在检查 ${projectName} 版本，请稍候...`);
    spinner.start();

    return new Promise((resolve, reject) => {
      if (!semver.satisfies(process.version, cliPackageJson.engines.node)) {
        spinner.stop();
        log(`    你必须升级Node版本至 >=${cliPackageJson.engines.node}.x 才能使用dio-cli`, "red");
        reject();
      }

      http
        .get(`https://registry.npmmirror.com/${projectName}`, res => {
          if (res.statusCode !== 200) log("获取版本信息失败", "red");

          let data = "";
          res.on("data", chunk => {
            data += chunk;
          });
          res.on("end", () => {
            spinner.stop();

            const latestVersion = JSON.parse(data)["dist-tags"].latest;
            // console.log(data)
            let rst;
            if (semver.gtr(localVersion, latestVersion)) {
              log();
              logBoundary("yellow");
              log();
              log(`  ${projectName} 有更新`, "yellow");
              log();
              logLine([{ message: "  latest:    " }, { message: latestVersion, color: "green" }]);
              logLine([{ message: "  installed: " }, { message: localVersion, color: "red" }]);
              log();
              log(`  你可以在结束后输入 'dio update' 来更新 ${projectName}`, "white");
              log();
              logBoundary("yellow");
              log();
            }

            resolve(rst);
          });
        })
        .on("error", err => {
          log(`获取 ${projectName} 版本信息失败`, "red");
          console.error(err);
        });
    });
  };