Initial commit

packages/tools/src/path.ts

@@ -0,0 +1,29 @@
+import * as find from 'empathic/find'
+import * as pkg from 'empathic/package'
+import memoizeOne from 'memoize-one'
+import { z } from 'zod'
+
+export const getRepoRoot = memoizeOne(() => {
+	const pnpmLock = z
+		.string()
+		.trim()
+		.startsWith('/')
+		.endsWith('/pnpm-lock.yaml')
+		.parse(find.up('pnpm-lock.yaml'))
+	return path.dirname(pnpmLock)
+})
+
+/**
+ * Get the package name of the nearest package.json
+ */
+export const getPackageName = memoizeOne(async (): Promise<string> => {
+	const pkgJsonPath = pkg.up()
+	if (!pkgJsonPath) {
+		throw new Error(`unable to locate package.json from ${process.cwd()}`)
+	}
+	const pkgJson = z.object({ name: z.string() }).safeParse(await fs.readJson(pkgJsonPath))
+	if (!pkgJson.success) {
+		throw new Error(`unable to parse package.json: ${pkgJsonPath}`)
+	}
+	return pkgJson.data.name
+})