From de7f1ce1fbcd931ead28a0b1fb7dd32284607a0f Mon Sep 17 00:00:00 2001
From: Stephan Kaag <stephan@ka.ag>
Date: Wed, 4 Nov 2020 09:42:01 +0100
Subject: [PATCH 1/2] fix(esbuild): use absolute path for esbuild entry

---
 src/function.ts        |  2 +-
 tests/function.test.ts | 11 ++++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/function.ts b/src/function.ts
index 4c25e4d..58727fb 100644
--- a/src/function.ts
+++ b/src/function.ts
@@ -42,7 +42,7 @@ export class NodejsFunction extends lambda.Function {
     es.buildSync({
       ...buildOptions,
       external: union(exclude, buildOptions.external || []),
-      entryPoints: [entry],
+      entryPoints: [path.join(projectRoot, entry)],
       outdir: path.join(projectRoot, BUILD_FOLDER, path.dirname(entry)),
       platform: 'node',
     });
diff --git a/tests/function.test.ts b/tests/function.test.ts
index ee1def2..a530795 100644
--- a/tests/function.test.ts
+++ b/tests/function.test.ts
@@ -7,9 +7,10 @@ import { Runtime, RuntimeFamily } from '@aws-cdk/aws-lambda';
 import { Stack } from '@aws-cdk/core';
 import { buildSync } from 'esbuild';
 import mockfs from 'mock-fs';
-import path from 'path';
+import path, { join } from 'path';
 
 import { NodejsFunction } from '../src';
+import { findProjectRoot } from '../src/utils';
 
 
 describe('NodejsFunction tests', () => {
@@ -50,10 +51,10 @@ describe('NodejsFunction tests', () => {
 
     it.each`
       handler                   | entry
-      ${null}                   | ${'index.ts'}
-      ${'source/index.handler'} | ${'source/index.ts'}
-      ${'main.func'}            | ${'main.ts'}
-      ${'a/b/c.h'}              | ${'a/b/c.ts'}
+      ${null}                   | ${join(findProjectRoot() ?? '', 'index.ts')}
+      ${'source/index.handler'} | ${join(findProjectRoot() ?? '', 'source/index.ts')}
+      ${'main.func'}            | ${join(findProjectRoot() ?? '', 'main.ts')}
+      ${'a/b/c.h'}              | ${join(findProjectRoot() ?? '', 'a/b/c.ts')}
     `('Should be valid entry with default rootDir', ({ handler, entry }) => {
       new NodejsFunction(new Stack(), 'lambda-function', { handler });
       expect(buildSync).toHaveBeenCalledWith(expect.objectContaining({ entryPoints: [entry] }));

From 75150237742cae00e350a88514a79c07d4ebfa16 Mon Sep 17 00:00:00 2001
From: Victor Korzunin <ifloydrose@gmail.com>
Date: Thu, 5 Nov 2020 00:17:00 +0100
Subject: [PATCH 2/2] test: fix unit test

---
 tests/function.test.ts | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/tests/function.test.ts b/tests/function.test.ts
index a530795..13ec852 100644
--- a/tests/function.test.ts
+++ b/tests/function.test.ts
@@ -10,7 +10,6 @@ import mockfs from 'mock-fs';
 import path, { join } from 'path';
 
 import { NodejsFunction } from '../src';
-import { findProjectRoot } from '../src/utils';
 
 
 describe('NodejsFunction tests', () => {
@@ -51,13 +50,13 @@ describe('NodejsFunction tests', () => {
 
     it.each`
       handler                   | entry
-      ${null}                   | ${join(findProjectRoot() ?? '', 'index.ts')}
-      ${'source/index.handler'} | ${join(findProjectRoot() ?? '', 'source/index.ts')}
-      ${'main.func'}            | ${join(findProjectRoot() ?? '', 'main.ts')}
-      ${'a/b/c.h'}              | ${join(findProjectRoot() ?? '', 'a/b/c.ts')}
+      ${null}                   | ${'index.ts'}
+      ${'source/index.handler'} | ${'source/index.ts'}
+      ${'main.func'}            | ${'main.ts'}
+      ${'a/b/c.h'}              | ${'a/b/c.ts'}
     `('Should be valid entry with default rootDir', ({ handler, entry }) => {
       new NodejsFunction(new Stack(), 'lambda-function', { handler });
-      expect(buildSync).toHaveBeenCalledWith(expect.objectContaining({ entryPoints: [entry] }));
+      expect(buildSync).toHaveBeenCalledWith(expect.objectContaining({ entryPoints: [join(process.cwd(), entry)] }));
     });
 
     it('Should be valid outdir with custom rootDir', () => {