Merge pull request #4506 from backstage/dependabot/npm_and_yarn/lerna/project-4.0.0

chore(deps): bump @lerna/project from 3.21.0 to 4.0.0

.changeset/wicked-forks-sleep.md

@@ -0,0 +1,13 @@
+---
+'@backstage/cli': minor
+'@backstage/create-app': minor
+---
+
+Upgrading to lerna@4.0.0. This changes the interface for importing, and because we can't run multiple versions of lerna, this is a breaking change.
+
+You'll need to update your root `package.json` like the following:
+
+```diff
+-     "lerna": "^3.20.2",
++     "lerna": "^4.0.0",
+```

package.json

@@ -50,7 +50,7 @@
     "concurrently": "^5.2.0",
     "fs-extra": "^9.0.0",
     "husky": "^4.2.3",
-    "lerna": "^3.20.2",
+    "lerna": "^4.0.0",
     "lint-staged": "^10.1.0",
     "prettier": "^2.0.5",
     "recursive-readdir": "^2.2.2",

packages/cli/package.json

@@ -32,8 +32,8 @@
     "@backstage/config": "^0.1.2",
     "@backstage/config-loader": "^0.5.1",
     "@hot-loader/react-dom": "^16.13.0",
-    "@lerna/package-graph": "^3.18.5",
-    "@lerna/project": "^3.18.0",
+    "@lerna/package-graph": "^4.0.0",
+    "@lerna/project": "^4.0.0",
     "@octokit/request": "^5.4.12",
     "@rollup/plugin-commonjs": "^17.1.0",
     "@rollup/plugin-json": "^4.0.2",

packages/cli/src/lib/bundler/config.ts

@@ -72,8 +72,8 @@ async function readBuildInfo() {
 }
 
 async function loadLernaPackages(): Promise<LernaPackage[]> {
-  const LernaProject = require('@lerna/project');
-  const project = new LernaProject(cliPaths.targetDir);
+  const { Project } = require('@lerna/project');
+  const project = new Project(cliPaths.targetDir);
   return project.getPackages();
 }
 

packages/cli/src/lib/config.ts

@@ -28,8 +28,8 @@ export async function loadCliConfig(options: Options) {
   const configPaths = options.args.map(arg => paths.resolveTarget(arg));
 
   // Consider all packages in the monorepo when loading in config
-  const LernaProject = require('@lerna/project');
-  const project = new LernaProject(paths.targetDir);
+  const { Project } = require('@lerna/project');
+  const project = new Project(paths.targetDir);
   const packages = await project.getPackages();
 
   const localPackageNames = options.fromPackage
@@ -75,7 +75,7 @@ export async function loadCliConfig(options: Options) {
 }
 
 function findPackages(packages: any[], fromPackage: string): string[] {
-  const PackageGraph = require('@lerna/package-graph');
+  const { PackageGraph } = require('@lerna/package-graph');
 
   const graph = new PackageGraph(packages);
 

packages/cli/src/lib/packager/index.ts

@@ -219,10 +219,10 @@ async function moveToDistWorkspace(
 }
 
 async function findTargetPackages(pkgNames: string[]): Promise<LernaPackage[]> {
-  const LernaProject = require('@lerna/project');
-  const PackageGraph = require('@lerna/package-graph');
+  const { Project } = require('@lerna/project');
+  const { PackageGraph } = require('@lerna/package-graph');
 
-  const project = new LernaProject(paths.targetDir);
+  const project = new Project(paths.targetDir);
   const packages = await project.getPackages();
   const graph = new PackageGraph(packages);
 

packages/cli/src/lib/versioning/packages.test.ts

@@ -59,8 +59,8 @@ describe('mapDependencies', () => {
 
   it('should read dependencies', async () => {
     // Make sure all modules involved in package discovery are in the module cache before we mock fs
-    const LernaProject = require('@lerna/project');
-    const project = new LernaProject(paths.targetDir);
+    const { Project } = require('@lerna/project');
+    const project = new Project(paths.targetDir);
     await project.getPackages();
 
     mockFs({

packages/cli/src/lib/versioning/packages.ts

@@ -67,8 +67,8 @@ export async function fetchPackageInfo(
 export async function mapDependencies(
   targetDir: string,
 ): Promise<Map<string, PkgVersionInfo[]>> {
-  const LernaProject = require('@lerna/project');
-  const project = new LernaProject(targetDir);
+  const { Project } = require('@lerna/project');
+  const project = new Project(targetDir);
   const packages = await project.getPackages();
 
   const dependencyMap = new Map<string, PkgVersionInfo[]>();

packages/create-app/templates/default-app/package.json.hbs

@@ -30,7 +30,7 @@
   "devDependencies": {
     "@backstage/cli": "^{{version '@backstage/cli'}}",
     "@spotify/prettier-config": "^7.0.0",
-    "lerna": "^3.20.2",
+    "lerna": "^4.0.0",
     "prettier": "^1.19.1"
   },
   "prettier": "@spotify/prettier-config",

scripts/check-type-dependencies.js

@@ -24,8 +24,8 @@ const chalk = require('chalk');
 async function main() {
   // This is from lerna, and cba polluting root package.json
   // eslint-disable-next-line import/no-extraneous-dependencies
-  const LernaProject = require('@lerna/project');
-  const project = new LernaProject(resolvePath('.'));
+  const { Project } = require('@lerna/project');
+  const project = new Project(resolvePath('.'));
   const packages = await project.getPackages();
 
   let hadErrors = false;

scripts/isolated-release.js

@@ -18,7 +18,7 @@
 const path = require('path');
 const childProcess = require('child_process');
 // eslint-disable-next-line import/no-extraneous-dependencies
-const LernaProject = require('@lerna/project');
+const { Project } = require('@lerna/project');
 
 // Prepare a release of the provided packages, e.g. @backstage/core
 async function main(args) {
@@ -28,7 +28,7 @@ async function main(args) {
     process.exit(1);
   }
 
-  const project = new LernaProject(__dirname);
+  const project = new Project(__dirname);
   const packages = await project.getPackages();
   const ignoreArgs = packages
     .filter(p => !args.includes(p.name))