fix(compiler-sfc): use correct scope when resolving indexed access types from external files (#14297)

edison1105 · web-flow · commit f0f0a21dfaf0 · 2026-01-19T08:42:25.000+08:00
close #14292
diff --git a/packages/compiler-sfc/__tests__/compileScript/resolveType.spec.ts b/packages/compiler-sfc/__tests__/compileScript/resolveType.spec.ts
@@ -1136,6 +1136,64 @@ describe('resolveType', () => {
       expect(deps && [...deps]).toStrictEqual(Object.keys(files))
     })
 
+    test('relative import with indexed access type', () => {
+      const files = {
+        '/foo.ts': `
+          type Booleanish = boolean | 'true' | 'false';
+          export interface InputHTMLAttributes {
+            required?: Booleanish | undefined;
+          }
+        `,
+      }
+      const { props, deps } = resolve(
+        `
+        import { InputHTMLAttributes } from './foo.ts'
+        type ImportedType = InputHTMLAttributes['required']
+        defineProps<{
+          required: ImportedType,
+        }>()
+      `,
+        files,
+      )
+      expect(props).toStrictEqual({
+        required: ['Boolean', 'String', 'Unknown'],
+      })
+      expect(deps && [...deps]).toStrictEqual(Object.keys(files))
+    })
+
+    test('relative import with indexed access type with unresolvable extends', () => {
+      const files = {
+        '/foo.ts': `
+          type EventHandlers<E> = {
+            [K in keyof E]?: E[K] extends (...args: any) => any 
+            ? E[K] 
+            : (payload: E[K]) => void;
+          };
+          export interface Events {
+            onCopy: ClipboardEvent;
+          }
+          type Booleanish = boolean | 'true' | 'false';
+          export interface InputHTMLAttributes extends EventHandlers<Events>{
+            required?: Booleanish | undefined;
+          }
+        `,
+      }
+      const { props, deps } = resolve(
+        `
+        import { InputHTMLAttributes } from './foo.ts'
+        type ImportedType = InputHTMLAttributes['required']
+        defineProps<{
+          required: ImportedType,
+        }>()
+      `,
+        files,
+      )
+      expect(props).toStrictEqual({
+        required: ['Boolean', 'String', 'Unknown'],
+      })
+      expect(deps && [...deps]).toStrictEqual(Object.keys(files))
+    })
+
     // #8339
     test('relative, .js import', () => {
       const files = {
diff --git a/packages/compiler-sfc/src/script/resolveType.ts b/packages/compiler-sfc/src/script/resolveType.ts
@@ -74,6 +74,7 @@ export type SimpleTypeResolveContext = Pick<
 
   // utils
   | 'error'
+  | 'warn'
   | 'helper'
   | 'getString'
 
@@ -95,7 +96,12 @@ export type SimpleTypeResolveContext = Pick<
     options: SimpleTypeResolveOptions
   }
 
-export type TypeResolveContext = ScriptCompileContext | SimpleTypeResolveContext
+export type TypeResolveContext = (
+  | ScriptCompileContext
+  | SimpleTypeResolveContext
+) & {
+  silentOnExtendsFailure?: boolean
+}
 
 type Import = Pick<ImportBinding, 'source' | 'imported'>
 
@@ -429,16 +435,21 @@ function resolveInterfaceMembers(
           ;(base.calls || (base.calls = [])).push(...calls)
         }
       } catch (e) {
-        ctx.error(
-          `Failed to resolve extends base type.\nIf this previously worked in 3.2, ` +
-            `you can instruct the compiler to ignore this extend by adding ` +
-            `/* @vue-ignore */ before it, for example:\n\n` +
-            `interface Props extends /* @vue-ignore */ Base {}\n\n` +
-            `Note: both in 3.2 or with the ignore, the properties in the base ` +
-            `type are treated as fallthrough attrs at runtime.`,
-          ext,
-          scope,
-        )
+        // when called from inferRuntimeType context, silently ignore extends
+        // resolution failure so that properties defined in the interface can
+        // still be correctly resolved
+        if (!ctx.silentOnExtendsFailure) {
+          ctx.error(
+            `Failed to resolve extends base type.\nIf this previously worked in 3.2, ` +
+              `you can instruct the compiler to ignore this extend by adding ` +
+              `/* @vue-ignore */ before it, for example:\n\n` +
+              `interface Props extends /* @vue-ignore */ Base {}\n\n` +
+              `Note: both in 3.2 or with the ignore, the properties in the base ` +
+              `type are treated as fallthrough attrs at runtime.`,
+            ext,
+            scope,
+          )
+        }
       }
     }
   }
@@ -1519,6 +1530,10 @@ export function inferRuntimeType(
     return [UNKNOWN_TYPE]
   }
 
+  // set flag to silence extends resolution errors in this context
+  const prevSilent = ctx.silentOnExtendsFailure
+  ctx.silentOnExtendsFailure = true
+
   try {
     switch (node.type) {
       case 'TSStringKeyword':
@@ -1886,6 +1901,8 @@ export function inferRuntimeType(
     }
   } catch (e) {
     // always soft fail on failed runtime type inference
+  } finally {
+    ctx.silentOnExtendsFailure = prevSilent
   }
   return [UNKNOWN_TYPE] // no runtime check
 }
@@ -1898,13 +1915,25 @@ function flattenTypes(
   typeParameters: Record<string, Node> | undefined = undefined,
 ): string[] {
   if (types.length === 1) {
-    return inferRuntimeType(ctx, types[0], scope, isKeyOf, typeParameters)
+    return inferRuntimeType(
+      ctx,
+      types[0],
+      (types[0] as MaybeWithScope)._ownerScope || scope,
+      isKeyOf,
+      typeParameters,
+    )
   }
   return [
     ...new Set(
       ([] as string[]).concat(
         ...types.map(t =>
-          inferRuntimeType(ctx, t, scope, isKeyOf, typeParameters),
+          inferRuntimeType(
+            ctx,
+            t,
+            (t as MaybeWithScope)._ownerScope || scope,
+            isKeyOf,
+            typeParameters,
+          ),
         ),
       ),
     ),
