chore: upgrade to lerna 3.x

Author: raymondfeng

bin/config-lerna-scopes.js

@@ -0,0 +1,27 @@
+// Copyright IBM Corp. 2018. All Rights Reserved.
+// Node module: loopback-next
+// This file is licensed under the MIT License.
+// License text available at https://opensource.org/licenses/MIT
+
+/**
+ * This is an internal script to list lerna packages for loopback-next.
+ * See https://github.com/marionebl/commitlint/blob/master/%40commitlint/config-lerna-scopes/index.js
+ */
+'use strict';
+
+const getPackages = require('@lerna/project').getPackages;
+module.exports = {
+  rules: {
+    'scope-enum': ctx => [2, 'always', listPackages(ctx)],
+  },
+};
+
+async function listPackages(context) {
+  const ctx = context || {};
+  const cwd = ctx.cwd || process.cwd();
+  const packages = await getPackages(cwd);
+
+  return packages
+    .map(pkg => pkg.name)
+    .map(name => (name.charAt(0) === '@' ? name.split('/')[1] : name));
+}

bin/run-lerna.js

@@ -11,21 +11,17 @@
 'use strict';
 
 const path = require('path');
-const lerna = require('lerna');
+const Project = require('@lerna/project');
 const build = require('../packages/build');
 
-function run(argv, options) {
-  const ls = new lerna.LsCommand(
-    null,
-    {json: true, loglevel: 'silent'},
-    path.join(__dirname, '..'),
-  );
-  const rootPath = ls.repository.rootPath;
+async function run(argv, options) {
+  const project = new Project(path.join(__dirname, '..'));
+  const rootPath = project.rootPath;
 
   process.env.LERNA_ROOT_PATH = rootPath;
   let args = argv.slice(2);
 
-  return build.runCLI('lerna/bin/lerna', args, options);
+  return build.runCLI('lerna/cli', args, options);
 }
 
 module.exports = run;

bin/update-template-deps.js

@@ -12,51 +12,71 @@
 
 const path = require('path');
 const fs = require('fs');
-const lerna = require('lerna');
-const ls = new lerna.LsCommand(null, {json: true, loglevel: 'silent'});
-
-// We don't have to run the command as the preparations will collect packages
-ls.configureLogging();
-ls.runValidations();
-ls.runPreparations();
-
-const pkgs = ls.filteredPackages.filter(pkg => !pkg.isPrivate()).map(pkg => ({
-  name: pkg.name,
-  version: pkg.version,
-}));
-
-const lbModules = {};
-for (const p of pkgs) {
-  lbModules[p.name] = '^' + p.version;
+
+const Command = require('@lerna/command');
+
+/**
+ * A dummy command to get filtered packages
+ */
+class NopCommand extends Command {
+  get requiresGit() {
+    return false;
+  }
+
+  initialize() {
+    // No-op
+  }
+
+  execute() {
+    // No-op
+  }
 }
 
-const rootPath = ls.repository.rootPath;
+async function updateTemplateDeps() {
+  const cmd = new NopCommand({_: [], loglevel: 'silent'});
 
-// Load dependencies from `packages/build/package.json`
-const buildDeps = require(path.join(rootPath, 'packages/build/package.json'))
-  .dependencies;
+  await cmd; // Execute the command
 
-// Load dependencies from `packages/cli/package.json`
-const cliPackageJson = path.join(rootPath, 'packages/cli/package.json');
+  const pkgs = cmd.filteredPackages.filter(pkg => !pkg.private).map(pkg => ({
+    name: pkg.name,
+    version: pkg.version,
+  }));
 
-// Loading existing dependencies from `packages/cli/package.json`
-const cliPkg = require(cliPackageJson);
-cliPkg.config = cliPkg.config || {};
-const currentDeps = cliPkg.config.templateDependencies || {};
+  const lbModules = {};
+  for (const p of pkgs) {
+    lbModules[p.name] = '^' + p.version;
+  }
 
-// Merge all entries
-const deps = Object.assign({}, currentDeps, buildDeps, lbModules);
+  const rootPath = cmd.project.rootPath;
 
-cliPkg.config.templateDependencies = deps;
+  // Load dependencies from `packages/build/package.json`
+  const buildDeps = require(path.join(rootPath, 'packages/build/package.json'))
+    .dependencies;
 
-// Convert to JSON
-const json = JSON.stringify(cliPkg, null, 2);
+  // Load dependencies from `packages/cli/package.json`
+  const cliPackageJson = path.join(rootPath, 'packages/cli/package.json');
 
-if (process.argv[2] === '-f') {
-  // Using `-f` to overwrite packages/cli/lib/dependencies.json
-  fs.writeFileSync(cliPackageJson, json + '\n', {encoding: 'utf-8'});
-  console.log('%s has been updated.', cliPackageJson);
-} else {
-  // Otherwise write to console
-  console.log(json);
+  // Loading existing dependencies from `packages/cli/package.json`
+  const cliPkg = require(cliPackageJson);
+  cliPkg.config = cliPkg.config || {};
+  const currentDeps = cliPkg.config.templateDependencies || {};
+
+  // Merge all entries
+  const deps = Object.assign({}, currentDeps, buildDeps, lbModules);
+
+  cliPkg.config.templateDependencies = deps;
+
+  // Convert to JSON
+  const json = JSON.stringify(cliPkg, null, 2);
+
+  if (process.argv[2] === '-f') {
+    // Using `-f` to overwrite packages/cli/lib/dependencies.json
+    fs.writeFileSync(cliPackageJson, json + '\n', {encoding: 'utf-8'});
+    console.log('%s has been updated.', cliPackageJson);
+  } else {
+    // Otherwise write to console
+    console.log(json);
+  }
 }
+
+if (require.main === module) updateTemplateDeps();

commitlint.config.js

@@ -4,10 +4,7 @@
 // License text available at https://opensource.org/licenses/MIT
 
 module.exports = {
-  extends: [
-    '@commitlint/config-conventional',
-    '@commitlint/config-lerna-scopes',
-  ],
+  extends: ['@commitlint/config-conventional', './bin/config-lerna-scopes'],
   rules: {
     'header-max-length': [2, 'always', 100],
     'body-leading-blank': [2, 'always'],

lerna.json

@@ -1,5 +1,5 @@
 {
-  "lerna": "2.9.1",
+  "lerna": "3.1.1",
   "packages": [
     "benchmark",
     "docs",

package.json

@@ -18,7 +18,7 @@
     "coveralls": "^3.0.0",
     "cz-conventional-changelog": "^2.1.0",
     "husky": "^0.14.3",
-    "lerna": "^2.9.1"
+    "lerna": "^3.1.1"
   },
   "scripts": {
     "postinstall": "lerna bootstrap",

packages/cli/test/acceptance/app-run.acceptance.js

@@ -8,7 +8,7 @@
 const path = require('path');
 const assert = require('yeoman-assert');
 const helpers = require('yeoman-test');
-const lerna = require('lerna');
+const bootstrapCommandFactory = require('@lerna/bootstrap');
 const build = require('@loopback/build');
 
 describe('app-generator (SLOW)', function() {
@@ -68,10 +68,11 @@ describe('app-generator (SLOW)', function() {
   });
 });
 
-function lernaBootstrap(scope) {
-  const cmd = new lerna.BootstrapCommand('', {
+async function lernaBootstrap(scope) {
+  const cmd = bootstrapCommandFactory({
+    _: [],
     scope: scope,
     loglevel: 'silent',
   });
-  return cmd.run();
+  await cmd;
 }