From 45765488d498d94f8760c9e82f1177070057b17c Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Mon, 1 May 2023 11:30:58 +0800
Subject: [PATCH] feat(compiler-sfc): expose parseCache

So that users can adjust cache's max size.
close #8202
---
 packages/compiler-sfc/src/cache.ts | 2 +-
 packages/compiler-sfc/src/index.ts | 2 +-
 packages/compiler-sfc/src/parse.ts | 6 +++---
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/packages/compiler-sfc/src/cache.ts b/packages/compiler-sfc/src/cache.ts
index eb6bad0f86d..36d240810c7 100644
--- a/packages/compiler-sfc/src/cache.ts
+++ b/packages/compiler-sfc/src/cache.ts
@@ -1,6 +1,6 @@
 import LRU from 'lru-cache'
 
-export function createCache<T>(size = 500) {
+export function createCache<T>(size = 500): Map<string, T> & { max?: number } {
   if (__GLOBAL__ || __ESM_BROWSER__) {
     return new Map<string, T>()
   }
diff --git a/packages/compiler-sfc/src/index.ts b/packages/compiler-sfc/src/index.ts
index 78a89c7b498..3821c255d52 100644
--- a/packages/compiler-sfc/src/index.ts
+++ b/packages/compiler-sfc/src/index.ts
@@ -1,7 +1,7 @@
 export const version = __VERSION__
 
 // API
-export { parse } from './parse'
+export { parse, parseCache } from './parse'
 export { compileTemplate } from './compileTemplate'
 export { compileStyle, compileStyleAsync } from './compileStyle'
 export { compileScript } from './compileScript'
diff --git a/packages/compiler-sfc/src/parse.ts b/packages/compiler-sfc/src/parse.ts
index 29c91cc1977..da8cf6d8669 100644
--- a/packages/compiler-sfc/src/parse.ts
+++ b/packages/compiler-sfc/src/parse.ts
@@ -93,7 +93,7 @@ export interface SFCParseResult {
   errors: (CompilerError | SyntaxError)[]
 }
 
-const sourceToSFC = createCache<SFCParseResult>()
+export const parseCache = createCache<SFCParseResult>()
 
 export function parse(
   source: string,
@@ -108,7 +108,7 @@ export function parse(
 ): SFCParseResult {
   const sourceKey =
     source + sourceMap + filename + sourceRoot + pad + compiler.parse
-  const cache = sourceToSFC.get(sourceKey)
+  const cache = parseCache.get(sourceKey)
   if (cache) {
     return cache
   }
@@ -284,7 +284,7 @@ export function parse(
     descriptor,
     errors
   }
-  sourceToSFC.set(sourceKey, result)
+  parseCache.set(sourceKey, result)
   return result
 }