transfer-out: transfer out

scripts/lib/workspace.ts

@@ -0,0 +1,54 @@
+import glob from 'glob'
+import path from 'path'
+import { REPO_ROOT, readJsonIfExists } from './file'
+
+export type PackageJson = { name: string; private?: boolean; workspaces?: string[] } & Record<
+	string,
+	any
+>
+export type Package = {
+	packageJson: PackageJson
+	relativePath: string
+	path: string
+	name: string
+}
+
+async function readPackage(packageJsonFile: string): Promise<Package> {
+	const packageJsonPath = path.resolve(packageJsonFile)
+	const packageJson = await readJsonIfExists(packageJsonFile)
+	if (!packageJson) {
+		throw new Error(`No package.json found at ${packageJsonPath}`)
+	}
+
+	const packagePath = path.dirname(packageJsonPath)
+
+	return {
+		packageJson,
+		relativePath: path.relative(REPO_ROOT, packagePath),
+		path: packagePath,
+		name: packageJson.name,
+	}
+}
+
+async function getChildWorkspaces(parent: Package): Promise<Package[]> {
+	if (!parent.packageJson.workspaces) return []
+
+	const foundPackages = []
+	for (const workspace of parent.packageJson.workspaces) {
+		const workspacePath = path.join(parent.path, workspace)
+		for (const packageJsonFilePath of glob.sync(path.join(workspacePath, 'package.json'))) {
+			const child = await readPackage(packageJsonFilePath)
+			foundPackages.push(child)
+			if (child.packageJson.workspaces) {
+				foundPackages.push(...(await getChildWorkspaces(child)))
+			}
+		}
+	}
+
+	return foundPackages
+}
+
+export async function getAllWorkspacePackages() {
+	const rootWorkspace = await readPackage(path.join(REPO_ROOT, 'package.json'))
+	return await getChildWorkspaces(rootWorkspace)
+}