jiti alias

src/config/get-config.mts

@@ -1,5 +1,6 @@
 import { loadConfig } from 'c12'
 import { consola } from 'consola'
+import { getJitiAlias } from '../utils/jiti'
 import { getCWD } from './get-cwd.mjs'
 import { getMillisPrefix } from './get-file-prefix.mjs'
 import type {
@@ -24,6 +25,7 @@ export async function getConfig(
 		dotenv: true,
 		envName: args.environment,
 		jitiOptions: {
+			alias: await getJitiAlias(),
 			debug: Boolean(args.debug),
 			fsCache: Boolean(args['filesystem-caching']),
 		},

src/utils/jiti.ts

@@ -0,0 +1,45 @@
+import { join } from 'pathe'
+import type { CompilerOptions } from 'typescript'
+import { getCWD } from '../config/get-cwd.mjs'
+import { getTSConfig } from './tsconfig.mjs'
+
+export interface ArgsLike {
+	cwd?: string
+}
+
+export async function getJitiAlias(): Promise<
+	Record<string, string> | undefined
+> {
+	try {
+		const tsconfig = await getTSConfig()
+
+		const { baseUrl, paths } = (tsconfig.compilerOptions ||
+			{}) as CompilerOptions
+
+		if (!paths) {
+			return
+		}
+
+		const cwd = getCWD()
+
+		const jitiAlias: Record<string, string> = {}
+
+		for (const [alias, [path]] of Object.entries(paths)) {
+			if (!path) {
+				continue
+			}
+
+			jitiAlias[removeWildcards(alias)] = removeWildcards(
+				join(cwd, baseUrl || '.', path),
+			)
+		}
+
+		return jitiAlias
+	} catch (error) {
+		return {}
+	}
+}
+
+function removeWildcards(path: string): string {
+	return path.replace(/(\/?\*\*?)+$/, '')
+}

src/utils/tsconfig.mts

@@ -0,0 +1,10 @@
+import { type TSConfig, readTSConfig } from 'pkg-types'
+import { getCWD } from '../config/get-cwd.mjs'
+
+let tsconfig: TSConfig
+
+export async function getTSConfig(): Promise<TSConfig> {
+	return (tsconfig ||= await readTSConfig(undefined, {
+		startingFrom: getCWD(),
+	}))
+}