fix(layer): make base dir configurable

src/packLambdaFromPath.ts

@@ -6,16 +6,23 @@ export const packLambdaFromPath = async (
  id: string,
  sourceFile: string,
  handlerFunction = 'handler',
+ /**
+ * @default process.cwd()
+ */
  baseDir = process.cwd(),
+ /**
+ * @default ${baseDir}/dist/lambdas
+ */
+ distDir: string = path.join(process.cwd(), 'dist', 'lambdas'),
 ): Promise<PackedLambda> => {
  try {
- await mkdir(path.join(process.cwd(), 'dist', 'lambdas'), {
+ await mkdir(distDir, {
  recursive: true,
  })
  } catch {
  // Directory exists
  }
- const zipFile = path.join(process.cwd(), 'dist', 'lambdas', `${id}.zip`)
+ const zipFile = path.join(distDir, `${id}.zip`)
  const { handler, hash } = await packLambda({
  sourceFile: path.join(baseDir, sourceFile),
  zipFile,

src/packLayer.ts

@@ -12,17 +12,29 @@ export type PackedLayer = { layerZipFile: string; hash: string }
 export const packLayer = async ({
  id,
  dependencies,
+ baseDir,
+ distDir,
 }: {
  id: string
  dependencies: string[]
+ /**
+ * @default process.cwd()
+ */
+ baseDir?: string
+ /**
+ * @default ${baseDir}/dist/layers
+ */
+ distDir?: string
 }): Promise<PackedLayer> => {
- const packageJsonFile = path.join(process.cwd(), 'package.json')
- const packageLockJsonFile = path.join(process.cwd(), 'package-lock.json')
+ const base = baseDir ?? process.cwd()
+ const dist = distDir ?? path.join(base, 'dist', 'layers')
+ const packageJsonFile = path.join(base, 'package.json')
+ const packageLockJsonFile = path.join(base, 'package-lock.json')
  const { dependencies: deps, devDependencies: devDeps } = JSON.parse(
  await readFile(packageJsonFile, 'utf-8'),
  )
 
- const layerDir = path.join(process.cwd(), 'dist', 'layers', id)
+ const layerDir = path.join(dist, id)
  const nodejsDir = path.join(layerDir, 'nodejs')
 
  try {
@@ -91,7 +103,7 @@ export const packLayer = async ({
  })
 
  const zipFileName = await new Promise<string>((resolve) => {
- const zipFileName = path.join(process.cwd(), 'dist', 'layers', `${id}.zip`)
+ const zipFileName = path.join(base, 'dist', 'layers', `${id}.zip`)
  zipfile.outputStream
  .pipe(createWriteStream(zipFileName))
  .on('close', () => {