From b0b09e04b35487090109e2a76e6b9b3ef3e449ff Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Han=EF=BC=88=E3=83=8F=E3=83=B3=EF=BC=89?= <me@hanlee.co>
Date: Fri, 10 Dec 2021 22:55:23 +0900
Subject: [PATCH] feat: support alias and esbuild config (#29)

Co-authored-by: Pooya Parsa <pyapar@gmail.com>
---
 src/build.ts          | 4 ++++
 src/builder/rollup.ts | 9 +++++----
 src/types.ts          | 3 +++
 3 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/build.ts b/src/build.ts
index 73fc7b3a..1f61b436 100644
--- a/src/build.ts
+++ b/src/build.ts
@@ -37,7 +37,11 @@ export async function build (rootDir: string, stub: boolean, inputConfig: BuildC
     dependencies: [],
     devDependencies: [],
     peerDependencies: [],
+    alias: {},
     rollup: {
+      esbuild: {
+        target: 'es2020'
+      },
       emitCJS: false,
       cjsBridge: false,
       inlineDependencies: false
diff --git a/src/builder/rollup.ts b/src/builder/rollup.ts
index 172c1641..38129c52 100644
--- a/src/builder/rollup.ts
+++ b/src/builder/rollup.ts
@@ -146,7 +146,10 @@ export function getRollupOptions (ctx: BuildContext): RollupOptions {
 
     plugins: [
       alias({
-        [ctx.pkg.name!]: ctx.options.rootDir
+        entries: {
+          [ctx.pkg.name!]: ctx.options.rootDir,
+          ...ctx.options.alias
+        }
       }),
 
       nodeResolve({
@@ -160,9 +163,7 @@ export function getRollupOptions (ctx: BuildContext): RollupOptions {
 
       shebangPlugin(),
 
-      esbuild({
-        target: 'es2020'
-      }),
+      esbuild(ctx.options.rollup.esbuild),
 
       commonjs({
         extensions,
diff --git a/src/types.ts b/src/types.ts
index a0e0466e..e2c18af2 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -3,6 +3,7 @@ import type { PackageJson } from 'pkg-types'
 import type { Hookable } from 'hookable'
 import type { RollupOptions, RollupBuild } from 'rollup'
 import type { MkdistOptions } from 'mkdist'
+import type { Options as EsbuildOptions } from 'rollup-plugin-esbuild'
 import { Schema } from 'untyped'
 
 export interface BaseBuildEntry {
@@ -34,6 +35,7 @@ export interface RollupBuildOptions {
   emitCJS?: boolean
   cjsBridge?: boolean
   inlineDependencies?: boolean
+  esbuild: EsbuildOptions
 }
 
 export interface BuildOptions {
@@ -47,6 +49,7 @@ export interface BuildOptions {
   dependencies: string[]
   peerDependencies: string[]
   devDependencies: string[]
+  alias: { [find: string]: string },
   rollup: RollupBuildOptions
 }