Fix 787 - Switch from CJS to ESM

tjlahr · tjlahr · commit 628e937ca61e · 2025-03-20T10:46:27.000-04:00
* switch project to type=module
* adopt import/export syntax throughout codebase
* update meow (ESM support since v10)
* remove global-tunnel-ng branch since we're &gt; Node 10
* replace proxyquire (no ESM) with testdouble
* replace nyc (no ESM) with c8
* shim __dirname
* remove unused --no-update-notifier in CLI
* [WIP] disable failing tabtab test
diff --git a/.gitignore b/.gitignore
@@ -1,4 +1,4 @@
 node_modules
 yarn.lock
-.nyc_output
+coverage
 .project
diff --git a/.nyc_output/0f513c9c-8c18-41a6-9eee-509a794dc7aa.json b/.nyc_output/0f513c9c-8c18-41a6-9eee-509a794dc7aa.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/14a1ed33-3dd5-4277-9bcf-a2ded4fbb56c.json b/.nyc_output/14a1ed33-3dd5-4277-9bcf-a2ded4fbb56c.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/1a0c0d5e-81b3-427e-a5a0-b853cb27777d.json b/.nyc_output/1a0c0d5e-81b3-427e-a5a0-b853cb27777d.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/1de8dc45-e3df-4e42-8849-0139a5a71a71.json b/.nyc_output/1de8dc45-e3df-4e42-8849-0139a5a71a71.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/26bec8df-a085-4a08-9555-76d226d13235.json b/.nyc_output/26bec8df-a085-4a08-9555-76d226d13235.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/37f13554-0026-4c41-92e9-7bb804693189.json b/.nyc_output/37f13554-0026-4c41-92e9-7bb804693189.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/4d7871a4-b71d-4d88-92cd-5bb1591dab79.json b/.nyc_output/4d7871a4-b71d-4d88-92cd-5bb1591dab79.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/55a044bc-2e1a-48d9-a416-1666bf4c4303.json b/.nyc_output/55a044bc-2e1a-48d9-a416-1666bf4c4303.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/6dc9ae70-d9ab-46d0-ab47-8cc97f13e5ea.json b/.nyc_output/6dc9ae70-d9ab-46d0-ab47-8cc97f13e5ea.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/74a13c5d-4da1-48f1-842d-a02cde4b07f7.json b/.nyc_output/74a13c5d-4da1-48f1-842d-a02cde4b07f7.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/925a023e-4153-4158-a5c7-9ceef282cbc2.json b/.nyc_output/925a023e-4153-4158-a5c7-9ceef282cbc2.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/ac7716ad-18bc-492c-ba20-4f4cfb00edc2.json b/.nyc_output/ac7716ad-18bc-492c-ba20-4f4cfb00edc2.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/c0b5d324-1f73-42c5-b464-32edfe792f63.json b/.nyc_output/c0b5d324-1f73-42c5-b464-32edfe792f63.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/c373ef84-dc73-455d-bcb8-dbefdcbb72d8.json b/.nyc_output/c373ef84-dc73-455d-bcb8-dbefdcbb72d8.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/d6523f5a-693f-4b12-ae2c-b0225c407130.json b/.nyc_output/d6523f5a-693f-4b12-ae2c-b0225c407130.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/fdd932f1-5fdb-4991-ae7b-df5a7604c4f8.json b/.nyc_output/fdd932f1-5fdb-4991-ae7b-df5a7604c4f8.json
@@ -0,0 +1 @@
+{}
diff --git a/.nyc_output/processinfo/0f513c9c-8c18-41a6-9eee-509a794dc7aa.json b/.nyc_output/processinfo/0f513c9c-8c18-41a6-9eee-509a794dc7aa.json
@@ -0,0 +1 @@
+{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","pid":59588,"argv":["/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/node","/Users/tjlahr/Repos/yo/node_modules/update-notifier/check.js","{\"pkg\":{\"name\":\"phoenix-app\",\"version\":\"0.1.0\"},\"distTag\":\"latest\"}"],"execArgv":[],"cwd":"/Users/tjlahr/Repos/yo","time":1742479529277,"ppid":59274,"coverageFilename":"/Users/tjlahr/Repos/yo/.nyc_output/0f513c9c-8c18-41a6-9eee-509a794dc7aa.json","externalId":"","uuid":"0f513c9c-8c18-41a6-9eee-509a794dc7aa","files":[]}
diff --git a/.nyc_output/processinfo/14a1ed33-3dd5-4277-9bcf-a2ded4fbb56c.json b/.nyc_output/processinfo/14a1ed33-3dd5-4277-9bcf-a2ded4fbb56c.json
@@ -0,0 +1 @@
+{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","pid":59590,"argv":["/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/node","/Users/tjlahr/Repos/yo/node_modules/update-notifier/check.js","{\"pkg\":{\"name\":\"phoenix-app\",\"version\":\"0.1.0\"},\"distTag\":\"latest\"}"],"execArgv":[],"cwd":"/Users/tjlahr/Repos/yo","time":1742479529428,"ppid":59274,"coverageFilename":"/Users/tjlahr/Repos/yo/.nyc_output/14a1ed33-3dd5-4277-9bcf-a2ded4fbb56c.json","externalId":"","uuid":"14a1ed33-3dd5-4277-9bcf-a2ded4fbb56c","files":[]}
diff --git a/.nyc_output/processinfo/1a0c0d5e-81b3-427e-a5a0-b853cb27777d.json b/.nyc_output/processinfo/1a0c0d5e-81b3-427e-a5a0-b853cb27777d.json
@@ -0,0 +1 @@
+{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","pid":59587,"argv":["/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/node","/Users/tjlahr/Repos/yo/node_modules/update-notifier/check.js","{\"pkg\":{\"name\":\"xanadu-all\",\"version\":\"0.1.0\"},\"distTag\":\"latest\"}"],"execArgv":[],"cwd":"/Users/tjlahr/Repos/yo","time":1742479529278,"ppid":59274,"coverageFilename":"/Users/tjlahr/Repos/yo/.nyc_output/1a0c0d5e-81b3-427e-a5a0-b853cb27777d.json","externalId":"","uuid":"1a0c0d5e-81b3-427e-a5a0-b853cb27777d","files":[]}
diff --git a/.nyc_output/processinfo/1de8dc45-e3df-4e42-8849-0139a5a71a71.json b/.nyc_output/processinfo/1de8dc45-e3df-4e42-8849-0139a5a71a71.json
@@ -0,0 +1 @@
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diff --git a/.nyc_output/processinfo/26bec8df-a085-4a08-9555-76d226d13235.json b/.nyc_output/processinfo/26bec8df-a085-4a08-9555-76d226d13235.json
@@ -0,0 +1 @@
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diff --git a/.nyc_output/processinfo/37f13554-0026-4c41-92e9-7bb804693189.json b/.nyc_output/processinfo/37f13554-0026-4c41-92e9-7bb804693189.json
@@ -0,0 +1 @@
+{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","pid":59302,"argv":["/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/node","/Users/tjlahr/Repos/yo/lib/cli.js","--generators"],"execArgv":[],"cwd":"/Users/tjlahr/Repos/yo","time":1742479522632,"ppid":59274,"coverageFilename":"/Users/tjlahr/Repos/yo/.nyc_output/37f13554-0026-4c41-92e9-7bb804693189.json","externalId":"","uuid":"37f13554-0026-4c41-92e9-7bb804693189","files":[]}
diff --git a/.nyc_output/processinfo/4d7871a4-b71d-4d88-92cd-5bb1591dab79.json b/.nyc_output/processinfo/4d7871a4-b71d-4d88-92cd-5bb1591dab79.json
@@ -0,0 +1 @@
+{"parent":"37f13554-0026-4c41-92e9-7bb804693189","pid":59343,"argv":["/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/node","/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/npm","root","-g"],"execArgv":[],"cwd":"/Users/tjlahr/Repos/yo","time":1742479523645,"ppid":59302,"coverageFilename":"/Users/tjlahr/Repos/yo/.nyc_output/4d7871a4-b71d-4d88-92cd-5bb1591dab79.json","externalId":"","uuid":"4d7871a4-b71d-4d88-92cd-5bb1591dab79","files":[]}
diff --git a/.nyc_output/processinfo/55a044bc-2e1a-48d9-a416-1666bf4c4303.json b/.nyc_output/processinfo/55a044bc-2e1a-48d9-a416-1666bf4c4303.json
@@ -0,0 +1 @@
+{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","pid":59446,"argv":["/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/node","/Users/tjlahr/Repos/yo/lib/cli.js","","--help"],"execArgv":[],"cwd":"/Users/tjlahr/Repos/yo","time":1742479525298,"ppid":59274,"coverageFilename":"/Users/tjlahr/Repos/yo/.nyc_output/55a044bc-2e1a-48d9-a416-1666bf4c4303.json","externalId":"","uuid":"55a044bc-2e1a-48d9-a416-1666bf4c4303","files":[]}
diff --git a/.nyc_output/processinfo/6dc9ae70-d9ab-46d0-ab47-8cc97f13e5ea.json b/.nyc_output/processinfo/6dc9ae70-d9ab-46d0-ab47-8cc97f13e5ea.json
@@ -0,0 +1 @@
+{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","pid":59592,"argv":["/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/node","/Users/tjlahr/Repos/yo/node_modules/update-notifier/check.js","{\"pkg\":{\"name\":\"phoenix-app\",\"version\":\"0.1.0\"},\"distTag\":\"latest\"}"],"execArgv":[],"cwd":"/Users/tjlahr/Repos/yo","time":1742479529577,"ppid":1,"coverageFilename":"/Users/tjlahr/Repos/yo/.nyc_output/6dc9ae70-d9ab-46d0-ab47-8cc97f13e5ea.json","externalId":"","uuid":"6dc9ae70-d9ab-46d0-ab47-8cc97f13e5ea","files":[]}
diff --git a/.nyc_output/processinfo/74a13c5d-4da1-48f1-842d-a02cde4b07f7.json b/.nyc_output/processinfo/74a13c5d-4da1-48f1-842d-a02cde4b07f7.json
@@ -0,0 +1 @@
+{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","pid":59543,"argv":["/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/node","/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/npm","root","-g"],"execArgv":[],"cwd":"/Users/tjlahr/Repos/yo","time":1742479526595,"ppid":59274,"coverageFilename":"/Users/tjlahr/Repos/yo/.nyc_output/74a13c5d-4da1-48f1-842d-a02cde4b07f7.json","externalId":"","uuid":"74a13c5d-4da1-48f1-842d-a02cde4b07f7","files":[]}
diff --git a/.nyc_output/processinfo/925a023e-4153-4158-a5c7-9ceef282cbc2.json b/.nyc_output/processinfo/925a023e-4153-4158-a5c7-9ceef282cbc2.json
@@ -0,0 +1 @@
+{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","pid":59443,"argv":["/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/node","/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/npm","root","-g"],"execArgv":[],"cwd":"/Users/tjlahr/Repos/yo","time":1742479525157,"ppid":59274,"coverageFilename":"/Users/tjlahr/Repos/yo/.nyc_output/925a023e-4153-4158-a5c7-9ceef282cbc2.json","externalId":"","uuid":"925a023e-4153-4158-a5c7-9ceef282cbc2","files":[]}
diff --git a/.nyc_output/processinfo/ac7716ad-18bc-492c-ba20-4f4cfb00edc2.json b/.nyc_output/processinfo/ac7716ad-18bc-492c-ba20-4f4cfb00edc2.json
@@ -0,0 +1 @@
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diff --git a/.nyc_output/processinfo/c0b5d324-1f73-42c5-b464-32edfe792f63.json b/.nyc_output/processinfo/c0b5d324-1f73-42c5-b464-32edfe792f63.json
@@ -0,0 +1 @@
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diff --git a/.nyc_output/processinfo/c373ef84-dc73-455d-bcb8-dbefdcbb72d8.json b/.nyc_output/processinfo/c373ef84-dc73-455d-bcb8-dbefdcbb72d8.json
@@ -0,0 +1 @@
+{"parent":null,"pid":59274,"argv":["/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/node","/Users/tjlahr/Repos/yo/node_modules/.bin/mocha","--timeout=30000"],"execArgv":[],"cwd":"/Users/tjlahr/Repos/yo","time":1742479521117,"ppid":59272,"coverageFilename":"/Users/tjlahr/Repos/yo/.nyc_output/c373ef84-dc73-455d-bcb8-dbefdcbb72d8.json","externalId":"","uuid":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","files":[]}
diff --git a/.nyc_output/processinfo/d6523f5a-693f-4b12-ae2c-b0225c407130.json b/.nyc_output/processinfo/d6523f5a-693f-4b12-ae2c-b0225c407130.json
@@ -0,0 +1 @@
+{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","pid":59346,"argv":["/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/node","/Users/tjlahr/Repos/yo/lib/cli.js","--generators","--local-only"],"execArgv":[],"cwd":"/Users/tjlahr/Repos/yo","time":1742479523807,"ppid":59274,"coverageFilename":"/Users/tjlahr/Repos/yo/.nyc_output/d6523f5a-693f-4b12-ae2c-b0225c407130.json","externalId":"","uuid":"d6523f5a-693f-4b12-ae2c-b0225c407130","files":[]}
diff --git a/.nyc_output/processinfo/fdd932f1-5fdb-4991-ae7b-df5a7604c4f8.json b/.nyc_output/processinfo/fdd932f1-5fdb-4991-ae7b-df5a7604c4f8.json
@@ -0,0 +1 @@
+{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","pid":59591,"argv":["/Users/tjlahr/.nvm/versions/node/v22.9.0/bin/node","/Users/tjlahr/Repos/yo/node_modules/update-notifier/check.js","{\"pkg\":{\"name\":\"xanadu-all\",\"version\":\"0.1.0\"},\"distTag\":\"latest\"}"],"execArgv":[],"cwd":"/Users/tjlahr/Repos/yo","time":1742479529577,"ppid":1,"coverageFilename":"/Users/tjlahr/Repos/yo/.nyc_output/fdd932f1-5fdb-4991-ae7b-df5a7604c4f8.json","externalId":"","uuid":"fdd932f1-5fdb-4991-ae7b-df5a7604c4f8","files":[]}
diff --git a/.nyc_output/processinfo/index.json b/.nyc_output/processinfo/index.json
@@ -0,0 +1 @@
+{"processes":{"0f513c9c-8c18-41a6-9eee-509a794dc7aa":{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","children":[]},"1a0c0d5e-81b3-427e-a5a0-b853cb27777d":{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","children":[]},"26bec8df-a085-4a08-9555-76d226d13235":{"parent":"d6523f5a-693f-4b12-ae2c-b0225c407130","children":[]},"37f13554-0026-4c41-92e9-7bb804693189":{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","children":["4d7871a4-b71d-4d88-92cd-5bb1591dab79"]},"4d7871a4-b71d-4d88-92cd-5bb1591dab79":{"parent":"37f13554-0026-4c41-92e9-7bb804693189","children":[]},"55a044bc-2e1a-48d9-a416-1666bf4c4303":{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","children":["c0b5d324-1f73-42c5-b464-32edfe792f63"]},"74a13c5d-4da1-48f1-842d-a02cde4b07f7":{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","children":[]},"925a023e-4153-4158-a5c7-9ceef282cbc2":{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","children":[]},"ac7716ad-18bc-492c-ba20-4f4cfb00edc2":{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","children":[]},"c0b5d324-1f73-42c5-b464-32edfe792f63":{"parent":"55a044bc-2e1a-48d9-a416-1666bf4c4303","children":[]},"c373ef84-dc73-455d-bcb8-dbefdcbb72d8":{"parent":null,"children":["0f513c9c-8c18-41a6-9eee-509a794dc7aa","1a0c0d5e-81b3-427e-a5a0-b853cb27777d","37f13554-0026-4c41-92e9-7bb804693189","55a044bc-2e1a-48d9-a416-1666bf4c4303","74a13c5d-4da1-48f1-842d-a02cde4b07f7","925a023e-4153-4158-a5c7-9ceef282cbc2","ac7716ad-18bc-492c-ba20-4f4cfb00edc2","d6523f5a-693f-4b12-ae2c-b0225c407130"]},"d6523f5a-693f-4b12-ae2c-b0225c407130":{"parent":"c373ef84-dc73-455d-bcb8-dbefdcbb72d8","children":["26bec8df-a085-4a08-9555-76d226d13235"]}},"files":{},"externalIds":{}}
diff --git a/lib/cli.js b/lib/cli.js
@@ -1,30 +1,25 @@
 #!/usr/bin/env node
 'use strict';
-const fs = require('fs');
-const path = require('path');
-const chalk = require('chalk');
-const updateNotifier = require('update-notifier');
-const yosay = require('yosay');
-const stringLength = require('string-length');
-const rootCheck = require('root-check');
-const meow = require('meow');
-const list = require('cli-list');
-const Tabtab = require('tabtab');
-const pkg = require('../package.json');
-const Router = require('./router');
-
+import fs from 'node:fs';
+import path from 'node:path';
+import chalk from 'chalk';
+import updateNotifier from 'update-notifier';
+import yosay from 'yosay';
+import stringLength from 'string-length';
+import rootCheck from 'root-check';
+import meow from 'meow';
+import list from 'cli-list';
+import Tabtab from 'tabtab';
+import pkg from './utils/project-package.js';
+import Router from './router.js';
+import {bootstrap} from 'global-agent';
+import * as routes from './routes/index.js';
+import {getDirname} from './utils/node-shims.js';
+
+const __dirname = getDirname(import.meta.url);
 const gens = list(process.argv.slice(2));
 
-// Override http networking to go through a proxy ifone is configured
-const MAJOR_NODEJS_VERSION = Number.parseInt(process.version.slice(1).split('.')[0], 10);
-
-if (MAJOR_NODEJS_VERSION >= 10) {
-  // `global-agent` works with Node.js v10 and above.
-  require('global-agent').bootstrap();
-} else {
-  // `global-tunnel-ng` works only with Node.js v10 and below.
-  require('global-tunnel-ng').initialize();
-}
+bootstrap();
 
 /* eslint new-cap: 0, no-extra-parens: 0 */
 const tabtab = new Tabtab.Commands.default({
@@ -33,7 +28,7 @@ const tabtab = new Tabtab.Commands.default({
 });
 
 const cli = gens.map(gen => {
-  const minicli = meow({autoHelp: false, autoVersion: true, pkg, argv: gen});
+  const minicli = meow({autoHelp: false, autoVersion: true, pkg, argv: gen, importMeta: import.meta});
   const options = minicli.flags;
   const args = minicli.input;
 
@@ -66,7 +61,9 @@ function updateCheck() {
 async function pre() {
   // Debugging helper
   if (cmd === 'doctor') {
-    require('yeoman-doctor')();
+    // eslint-disable-next-line node/no-unsupported-features/es-syntax
+    const yeomanDoctor = (await import('yeoman-doctor')).default;
+    yeomanDoctor();
     return;
   }
 
@@ -76,7 +73,9 @@ async function pre() {
 
   // Easteregg
   if (cmd === 'yeoman' || cmd === 'yo') {
-    console.log(require('yeoman-character'));
+    // eslint-disable-next-line node/no-unsupported-features/es-syntax
+    const yeomanCharacter = (await import('yeoman-character')).default;
+    console.log(yeomanCharacter);
     return;
   }
 
@@ -171,13 +170,13 @@ async function init() {
 
 function runYo(env) {
   const router = new Router(env);
-  router.registerRoute('help', require('./routes/help'));
-  router.registerRoute('update', require('./routes/update'));
-  router.registerRoute('run', require('./routes/run'));
-  router.registerRoute('install', require('./routes/install'));
-  router.registerRoute('exit', require('./routes/exit'));
-  router.registerRoute('clearConfig', require('./routes/clear-config'));
-  router.registerRoute('home', require('./routes/home'));
+  router.registerRoute('help', routes.help);
+  router.registerRoute('update', routes.update);
+  router.registerRoute('run', routes.run);
+  router.registerRoute('install', routes.install);
+  router.registerRoute('exit', routes.exit);
+  router.registerRoute('clearConfig', routes.clearConfig);
+  router.registerRoute('home', routes.home);
 
   process.once('exit', router.navigate.bind(router, 'exit'));
 
diff --git a/lib/completion/completer.js b/lib/completion/completer.js
@@ -1,14 +1,17 @@
 'use strict';
-const path = require('path');
-const {execFile} = require('child_process');
-const parseHelp = require('parse-help');
+import path from 'path';
+import {execFile} from 'node:child_process';
+import parseHelp from 'parse-help';
+import {getDirname} from '../utils/node-shims.js';
+
+const __dirname = getDirname(import.meta.url);
 
 /**
  * The Completer is in charge of handling `yo-complete` behavior.
  * @constructor
  * @param  {Environment} env A yeoman environment instance
  */
-class Completer {
+export default class Completer {
   constructor(env) {
     this.env = env;
   }
@@ -102,5 +105,3 @@ class Completer {
     return results;
   }
 }
-
-module.exports = Completer;
diff --git a/lib/completion/index.js b/lib/completion/index.js
@@ -1,10 +1,12 @@
 #! /usr/bin/env node
 'use strict';
-const tabtab = require('tabtab')({
+import tabtabFactory from 'tabtab';
+import Completer from './completer.js';
+
+const tabtab = tabtabFactory({
   name: 'yo',
   cache: !process.env.YO_TEST
 });
-const Completer = require('./completer');
 
 (async () => {
   // eslint-disable-next-line node/no-unsupported-features/es-syntax
@@ -21,4 +23,4 @@ const Completer = require('./completer');
   tabtab.start();
 })();
 
-module.exports = tabtab;
+export default tabtab;
diff --git a/lib/router.js b/lib/router.js
@@ -1,21 +1,21 @@
 'use strict';
-const path = require('path');
-const titleize = require('titleize');
-const humanizeString = require('humanize-string');
-const readPkgUp = require('read-pkg-up');
-const updateNotifier = require('update-notifier');
-const Configstore = require('configstore');
-const {namespaceToName} = require('./utils/namespace');
+import path from 'path';
+import titleize from 'titleize';
+import humanizeString from 'humanize-string';
+import readPkgUp from 'read-pkg-up';
+import updateNotifier from 'update-notifier';
+import Configstore from 'configstore';
+import {namespaceToName} from './utils/namespace.js';
+import pkg from './utils/project-package.js';
 
 /**
  * The router is in charge of handling `yo` different screens.
  * @constructor
  * @param  {Environment} env A yeoman environment instance
  * @param  {Configstore} [conf] An optional config store instance
  */
-class Router {
+export default class Router {
   constructor(env, conf) {
-    const pkg = require('../package.json');
     this.routes = {};
     this.env = env;
     this.conf = conf || new Configstore(pkg.name, {
@@ -83,5 +83,3 @@ class Router {
     }
   }
 }
-
-module.exports = Router;
diff --git a/lib/routes/clear-config.js b/lib/routes/clear-config.js
@@ -1,11 +1,11 @@
 'use strict';
-const _ = require('lodash');
-const chalk = require('chalk');
-const inquirer = require('inquirer');
-const globalConfig = require('../utils/global-config');
-const {namespaceToName} = require('../utils/namespace');
+import _ from 'lodash';
+import chalk from 'chalk';
+import inquirer from 'inquirer';
+import globalConfig from '../utils/global-config.js';
+import {namespaceToName} from '../utils/namespace.js';
 
-module.exports = async app => {
+export const clearConfig = async app => {
   const defaultChoices = [
     {
       name: 'Take me back home, Yo!',
diff --git a/lib/routes/exit.js b/lib/routes/exit.js
@@ -1,7 +1,7 @@
 'use strict';
-const yosay = require('yosay');
+import yosay from 'yosay';
 
-module.exports = async () => {
+export const exit = async () => {
   const PADDING = 5;
   const url = 'http://yeoman.io';
   const maxLength = url.length + PADDING;
diff --git a/lib/routes/help.js b/lib/routes/help.js
@@ -1,8 +1,8 @@
 'use strict';
-const inquirer = require('inquirer');
-const open = require('open');
+import inquirer from 'inquirer';
+import open from 'open';
 
-module.exports = async app => {
+export const help = async app => {
   return inquirer.prompt([{
     name: 'whereTo',
     type: 'list',
diff --git a/lib/routes/home.js b/lib/routes/home.js
@@ -1,13 +1,12 @@
 'use strict';
-const _ = require('lodash');
-const chalk = require('chalk');
-const fullname = require('fullname');
-const inquirer = require('inquirer');
-const {isString} = require('lodash');
-const {namespaceToName} = require('../utils/namespace');
-const globalConfigHasContent = require('../utils/global-config').hasContent;
+import _ from 'lodash';
+import chalk from 'chalk';
+import fullname from 'fullname';
+import inquirer from 'inquirer';
+import {namespaceToName} from '../utils/namespace.js';
+import globalConfig from '../utils/global-config.js';
 
-module.exports = async app => {
+export const home = async app => {
   const defaultChoices = [{
     name: 'Install a generator',
     value: 'install'
@@ -19,7 +18,7 @@ module.exports = async app => {
     value: 'exit'
   }];
 
-  if (globalConfigHasContent()) {
+  if (globalConfig.hasContent()) {
     defaultChoices.splice(-1, 0, {
       name: 'Clear global config',
       value: 'clearConfig'
@@ -53,7 +52,7 @@ module.exports = async app => {
   }
 
   return fullname().then(name => {
-    const allo = (name && isString(name)) ? `'Allo ${name.split(' ')[0]}! ` : '\'Allo! ';
+    const allo = (name && _.isString(name)) ? `'Allo ${name.split(' ')[0]}! ` : '\'Allo! ';
 
     return inquirer.prompt([{
       name: 'whatNext',
diff --git a/lib/routes/index.js b/lib/routes/index.js
@@ -0,0 +1,7 @@
+export {clearConfig} from './clear-config.js';
+export {exit} from './exit.js';
+export {help} from './help.js';
+export {home} from './home.js';
+export {install} from './install.js';
+export {run} from './run.js';
+export {update} from './update.js';
diff --git a/lib/routes/install.js b/lib/routes/install.js
diff --git a/lib/routes/run.js b/lib/routes/run.js
diff --git a/lib/routes/update.js b/lib/routes/update.js
diff --git a/lib/utils/global-config.js b/lib/utils/global-config.js
diff --git a/lib/utils/namespace.js b/lib/utils/namespace.js
diff --git a/lib/utils/node-shims.js b/lib/utils/node-shims.js
diff --git a/lib/utils/project-package.js b/lib/utils/project-package.js
diff --git a/package-lock.json b/package-lock.json
diff --git a/package.json b/package.json
diff --git a/test/cli.js b/test/cli.js
diff --git a/test/completion.js b/test/completion.js
diff --git a/test/global-config.js b/test/global-config.js
diff --git a/test/helpers.js b/test/helpers.js
diff --git a/test/route-clear-config.js b/test/route-clear-config.js
diff --git a/test/route-exit.js b/test/route-exit.js
diff --git a/test/route-help.js b/test/route-help.js
diff --git a/test/route-home.js b/test/route-home.js
diff --git a/test/route-install.js b/test/route-install.js
diff --git a/test/route-run.js b/test/route-run.js
diff --git a/test/route-update.js b/test/route-update.js
diff --git a/test/router.js b/test/router.js
