From fbb18900ad223d8af8c7a26e9f3069f5513b24ff Mon Sep 17 00:00:00 2001
From: Alec Larson <1925840+aleclarson@users.noreply.github.com>
Date: Sat, 2 Jan 2021 20:38:39 -0500
Subject: [PATCH 1/2] feat: export `resolvePackageData` and
 `resolvePackageEntry` helpers

These functions can be useful to plugins.

  - `resolvePackageData` provides cache reuse
  - `resolvePackageEntry` is complicated enough to be burdensome to reimplement for a plugin to achieve the same behavior
---
 packages/vite/src/node/index.ts           | 1 +
 packages/vite/src/node/plugins/resolve.ts | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/vite/src/node/index.ts b/packages/vite/src/node/index.ts
index 37008fd2c4cdb2..f338be5d43748c 100644
--- a/packages/vite/src/node/index.ts
+++ b/packages/vite/src/node/index.ts
@@ -4,6 +4,7 @@ export * from './optimizer'
 export * from './config'
 export { send } from './server/send'
 export { createLogger } from './logger'
+export { resolvePackageData, resolvePackageEntry } from './plugins/resolve'
 
 // additional types
 export type { Plugin } from './plugin'
diff --git a/packages/vite/src/node/plugins/resolve.ts b/packages/vite/src/node/plugins/resolve.ts
index 023803dab90b5e..c019a73f5c2fdc 100644
--- a/packages/vite/src/node/plugins/resolve.ts
+++ b/packages/vite/src/node/plugins/resolve.ts
@@ -268,7 +268,7 @@ interface PackageData {
 
 const packageCache = new Map<string, PackageData>()
 
-function resolvePackageData(
+export function resolvePackageData(
   id: string,
   basedir: string
 ): PackageData | undefined {

From 760ac25a6c26e0969eb97f65951d82c347948098 Mon Sep 17 00:00:00 2001
From: Alec Larson <1925840+aleclarson@users.noreply.github.com>
Date: Sat, 2 Jan 2021 21:41:59 -0500
Subject: [PATCH 2/2] feat: export `PackageData` type

---
 packages/vite/src/node/index.ts           | 1 +
 packages/vite/src/node/plugins/resolve.ts | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/vite/src/node/index.ts b/packages/vite/src/node/index.ts
index f338be5d43748c..910b23f9e0110c 100644
--- a/packages/vite/src/node/index.ts
+++ b/packages/vite/src/node/index.ts
@@ -24,6 +24,7 @@ export type {
 } from './plugins/html'
 export type { CSSOptions, CSSModulesOptions } from './plugins/css'
 export type { EsbuildTransformResult } from './plugins/esbuild'
+export type { PackageData } from './plugins/resolve'
 export type { WebSocketServer } from './server/ws'
 export type { PluginContainer } from './server/pluginContainer'
 export type { ModuleGraph, ModuleNode } from './server/moduleGraph'
diff --git a/packages/vite/src/node/plugins/resolve.ts b/packages/vite/src/node/plugins/resolve.ts
index c019a73f5c2fdc..3efef2b628add0 100644
--- a/packages/vite/src/node/plugins/resolve.ts
+++ b/packages/vite/src/node/plugins/resolve.ts
@@ -255,7 +255,7 @@ function tryOptimizedResolve(
   }
 }
 
-interface PackageData {
+export interface PackageData {
   dir: string
   hasSideEffects: (id: string) => boolean
   data: {