chore(cli): add check-version.js dist-tag-latest.js

check-version.js

+const fs = require('fs')
+const path = require('path')
+
+const request = require('request')
+
+const registry = 'https://registry.npmjs.org/@dcloudio/'
+
+const pkgs = fs.readdirSync(path.resolve(__dirname, 'packages'))
+
+const tag = process.argv[2] || 'alpha'
+
+pkgs.forEach(pkg => {
+  request(registry + pkg, function(error, response, body) {
+    if (error) {
+      console.log(pkg, error)
+    } else {
+      const version = JSON.parse(body)['dist-tags'][tag]
+      console.log(pkg + ':' + (' '.repeat(80 - (pkg + ':' + version).length)) + version)
+    }
+  })
+})

dist-tag-latest.js

+const fs = require('fs')
+const path = require('path')
+const shellExec = require('shell-exec')
+
+const pkgs = fs.readdirSync(path.resolve(__dirname, 'packages'))
+
+const version = process.argv[2]
+if (!version) {
+  throw new Error('必须传入 version')
+}
+
+(async function() {
+  for (let i = 0; i < pkgs.length; i++) {
+    console.log(`npm dist-tag add @dcloudio/${pkgs[i]}@${version} latest`);
+    await shellExec(`npm dist-tag add @dcloudio/${pkgs[i]}@${version} latest`)
+  }
+})();