From a13070b4174633e80d37ede754d57b3c2374803f Mon Sep 17 00:00:00 2001
From: Ahn <anhpnnd@gmail.com>
Date: Tue, 5 Jan 2021 02:33:11 +0100
Subject: [PATCH] feat(utils): add `es2015` to `ngcc` script's properties
 (#701)

---
 jest.config.js                   | 5 +++--
 src/utils/ngcc-jest-processor.ts | 2 +-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/jest.config.js b/jest.config.js
index bda8709ffc..08976dafad 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,5 +1,6 @@
-/** @typedef {import('ts-jest')} */
-/** @type {import('@jest/types').Config.InitialOptions} */
+require('./ngcc-jest-processor');
+
+/** @type {import('ts-jest/dist/types').ProjectConfigTsJest} */
 module.exports = {
   preset: 'ts-jest',
   globals: {
diff --git a/src/utils/ngcc-jest-processor.ts b/src/utils/ngcc-jest-processor.ts
index 574e163648..c29d4ebd54 100644
--- a/src/utils/ngcc-jest-processor.ts
+++ b/src/utils/ngcc-jest-processor.ts
@@ -43,7 +43,7 @@ if (canRunNgcc) {
        * Currently Jest requires `commonjs` so we only need to ask `ngcc` to produce `umd` outputs. Later when switching
        * to ESM, we can change to different properties to produce ESM outputs.
        */
-      ...['main'],
+      ...['es2015', 'main'],
       '--first-only' /** compileAllFormats */,
       'false', // make sure that `ngcc` runs on subfolders as well
       '--async',