From 1c5f43110ea590ba78cd7fd25fe46c008d1f8a4b Mon Sep 17 00:00:00 2001
From: Tofandel <adrien.foulon@tukan.hu>
Date: Thu, 10 Aug 2023 10:21:41 +0200
Subject: [PATCH 1/2] feat(compiler-core): add filename to TransformContext

When using `nodeTransform`, I have found myself needing the filename to do filesystem operations, which well cannot be done without the filename of the current component in the context passed to the function
---
 .../compiler-core/__tests__/transform.spec.ts | 19 +++++++++++++++++++
 packages/compiler-core/src/transform.ts       |  3 ++-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/packages/compiler-core/__tests__/transform.spec.ts b/packages/compiler-core/__tests__/transform.spec.ts
index 042865efb4e..fffe7dc7c35 100644
--- a/packages/compiler-core/__tests__/transform.spec.ts
+++ b/packages/compiler-core/__tests__/transform.spec.ts
@@ -200,6 +200,25 @@ describe('compiler: transform', () => {
     expect((ast as any).children[0].props[0].exp.content).toBe(`_hoisted_1`)
     expect((ast as any).children[1].props[0].exp.content).toBe(`_hoisted_2`)
   })
+  
+  test('context.filename', () => {
+    const ast = baseParse(`<div />`)
+    
+    const calls: any[] = []
+    const plugin: NodeTransform = (node, context) => {
+      calls.push({ ...context })
+    }
+    
+    transform(ast, {
+      filename: '/the/filename.vue',
+      nodeTransforms: [plugin]
+    })
+    
+    expect(calls.length).toBe(2)
+    expect(calls[1]).toMatchObject({
+      filename: '/the/filename.vue'
+    })
+  })
 
   test('onError option', () => {
     const ast = baseParse(`<div/>`)
diff --git a/packages/compiler-core/src/transform.ts b/packages/compiler-core/src/transform.ts
index 4d9e8c6ed49..e308accef79 100644
--- a/packages/compiler-core/src/transform.ts
+++ b/packages/compiler-core/src/transform.ts
@@ -84,7 +84,7 @@ export interface ImportItem {
 
 export interface TransformContext
   extends Required<
-      Omit<TransformOptions, 'filename' | keyof CompilerCompatOptions>
+      Omit<TransformOptions, keyof CompilerCompatOptions>
     >,
     CompilerCompatOptions {
   selfName: string | null
@@ -152,6 +152,7 @@ export function createTransformContext(
   const nameMatch = filename.replace(/\?.*$/, '').match(/([^/\\]+)\.\w+$/)
   const context: TransformContext = {
     // options
+    filename,
     selfName: nameMatch && capitalize(camelize(nameMatch[1])),
     prefixIdentifiers,
     hoistStatic,

From 59ab9aae632929f8563fd0c12fece94f4f652cb9 Mon Sep 17 00:00:00 2001
From: Tofandel <adrien.foulon@tukan.hu>
Date: Thu, 10 Aug 2023 10:37:50 +0200
Subject: [PATCH 2/2] Also drop a test for context.selfName while we're there

---
 packages/compiler-core/__tests__/transform.spec.ts | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/compiler-core/__tests__/transform.spec.ts b/packages/compiler-core/__tests__/transform.spec.ts
index fffe7dc7c35..f316a671e07 100644
--- a/packages/compiler-core/__tests__/transform.spec.ts
+++ b/packages/compiler-core/__tests__/transform.spec.ts
@@ -201,7 +201,7 @@ describe('compiler: transform', () => {
     expect((ast as any).children[1].props[0].exp.content).toBe(`_hoisted_2`)
   })
   
-  test('context.filename', () => {
+  test('context.filename and selfName', () => {
     const ast = baseParse(`<div />`)
     
     const calls: any[] = []
@@ -210,13 +210,14 @@ describe('compiler: transform', () => {
     }
     
     transform(ast, {
-      filename: '/the/filename.vue',
+      filename: '/the/fileName.vue',
       nodeTransforms: [plugin]
     })
     
     expect(calls.length).toBe(2)
     expect(calls[1]).toMatchObject({
-      filename: '/the/filename.vue'
+      filename: '/the/fileName.vue',
+      selfName: 'FileName'
     })
   })