update yeoman-environment to v4.0.0 (#793)

* update yeoman-environment to v4.0.0

* update supported node versions

* remove npm update from workflow

Author: mshima

.github/workflows/ci.yml

@@ -20,13 +20,12 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        node-version: [12.x, 14.x, 16.x]
+        node-version: [18.x, 20.x]
 
     steps:
     - uses: actions/checkout@v2
     - uses: actions/[email protected]
       with:
         node-version: ${{ matrix.node-version }}
-    - run: npm install -g npm@latest
     - run: npm ci
     - run: npm test

lib/cli.js

@@ -63,7 +63,7 @@ function updateCheck() {
   }
 }
 
-function pre() {
+async function pre() {
   // Debugging helper
   if (cmd === 'doctor') {
     require('yeoman-doctor')();
@@ -80,7 +80,7 @@ function pre() {
     return;
   }
 
-  init();
+  await init();
 }
 
 function createGeneratorList(env) {
@@ -117,11 +117,13 @@ const onError = error => {
   process.exit(error.code || 1);
 };
 
-function init() {
-  const env = require('yeoman-environment').createEnv();
+async function init() {
+  // eslint-disable-next-line node/no-unsupported-features/es-syntax
+  const {createEnv} = await import('yeoman-environment');
+  const env = createEnv();
 
   // Lookup for every namespaces, within the environments.paths and lookups
-  env.lookup(firstCmd.opts.localOnly || false);
+  await env.lookup(firstCmd.opts.localOnly || false);
   const generatorList = createGeneratorList(env);
 
   // List generators
@@ -153,7 +155,7 @@ function init() {
     console.log(chalk.red('Installed generators don\'t need the "generator-" prefix.'));
     console.log(`In the future, run ${generatorCommand} instead!\n`);
 
-    env.run(generatorName, firstCmd.opts).catch(error => onError(error));
+    await env.run(generatorName, firstCmd.opts).catch(error => onError(error));
 
     return;
   }
@@ -162,7 +164,8 @@ function init() {
   // one that will be triggered by the below args. Maybe the nopt parsing
   // should be done internally, from the args.
   for (const gen of cli) {
-    env.run(gen.args, gen.opts).catch(error => onError(error));
+    // eslint-disable-next-line no-await-in-loop
+    await env.run(gen.args, gen.opts).catch(error => onError(error));
   }
 }
 
@@ -186,4 +189,6 @@ rootCheck('\n' + chalk.red('Easy with the `sudo`. Yeoman is the master around he
 
 updateCheck();
 
-pre();
+(async function () {
+  await pre();
+})();

lib/completion/completer.js

@@ -24,16 +24,11 @@ class Completer {
       return this.generator(data, done);
     }
 
-    try {
-      this.env.lookup();
-    } catch (error) {
-      done(error);
-      return;
-    }
-
-    const meta = this.env.getGeneratorsMeta();
-    const results = Object.keys(meta).map(this.item('yo'), this);
-    done(null, results);
+    this.env.lookup().then(() => {
+      const meta = this.env.getGeneratorsMeta();
+      const results = Object.keys(meta).map(this.item('yo'), this);
+      done(null, results);
+    }, done);
   }
 
   /**

lib/completion/index.js

@@ -1,21 +1,24 @@
 #! /usr/bin/env node
 'use strict';
-const env = require('yeoman-environment').createEnv();
 const tabtab = require('tabtab')({
   name: 'yo',
   cache: !process.env.YO_TEST
 });
 const Completer = require('./completer');
 
-const completer = new Completer(env);
+(async () => {
+  // eslint-disable-next-line node/no-unsupported-features/es-syntax
+  const {createEnv} = await import('yeoman-environment');
+  const completer = new Completer(createEnv());
 
-tabtab.completer = completer;
+  tabtab.completer = completer;
 
-// Lookup installed generator in yeoman environment,
-// respond completion results with each generator
-tabtab.on('yo', completer.complete.bind(completer));
+  // Lookup installed generator in yeoman environment,
+  // respond completion results with each generator
+  tabtab.on('yo', completer.complete.bind(completer));
 
-// Register complete command
-tabtab.start();
+  // Register complete command
+  tabtab.start();
+})();
 
 module.exports = tabtab;

lib/router.js

@@ -5,7 +5,7 @@ const humanizeString = require('humanize-string');
 const readPkgUp = require('read-pkg-up');
 const updateNotifier = require('update-notifier');
 const Configstore = require('configstore');
-const {namespaceToName} = require('yeoman-environment');
+const {namespaceToName} = require('./utils/namespace');
 
 /**
  * The router is in charge of handling `yo` different screens.

lib/routes/clear-config.js

@@ -2,8 +2,8 @@
 const _ = require('lodash');
 const chalk = require('chalk');
 const inquirer = require('inquirer');
-const {namespaceToName} = require('yeoman-environment');
 const globalConfig = require('../utils/global-config');
+const {namespaceToName} = require('../utils/namespace');
 
 module.exports = async app => {
   const defaultChoices = [

lib/routes/home.js

@@ -4,7 +4,7 @@ const chalk = require('chalk');
 const fullname = require('fullname');
 const inquirer = require('inquirer');
 const {isString} = require('lodash');
-const {namespaceToName} = require('yeoman-environment');
+const {namespaceToName} = require('../utils/namespace');
 const globalConfigHasContent = require('../utils/global-config').hasContent;
 
 module.exports = async app => {

lib/routes/install.js

@@ -133,13 +133,13 @@ function installGenerator(app, pkgName) {
     .on('error', error => {
       throw error;
     })
-    .on('close', () => {
+    .on('close', async () => {
       console.log(
         '\nI just installed a generator by running:\n' +
         chalk.blue.bold('\n    npm install -g ' + pkgName + '\n')
       );
 
-      app.env.lookup();
+      await app.env.lookup();
       app.updateAvailableGenerators();
       app.navigate('home');
     });

lib/routes/run.js

@@ -1,6 +1,6 @@
 'use strict';
 const chalk = require('chalk');
-const {namespaceToName} = require('yeoman-environment');
+const {namespaceToName} = require('../utils/namespace');
 
 module.exports = async (app, name) => {
   const baseName = namespaceToName(name);

lib/routes/update.js

@@ -6,10 +6,10 @@ const spawn = require('cross-spawn');
 const successMessage = 'I\'ve just updated your generators. Remember, you can update\na specific generator with npm by running:\n' +
   chalk.magenta('\n    npm install -g generator-_______');
 
-function updateSuccess(app) {
+async function updateSuccess(app) {
   console.log(`\n${chalk.cyan(successMessage)}\n`);
   app.env.lookup();
-  app.updateAvailableGenerators();
+  await app.updateAvailableGenerators();
   app.navigate('home');
 }