Use function signature to support Vitest v4

sirlancelot · web-flow · commit 7ace2db4dc2c · 2025-10-24T15:22:03.000-07:00
diff --git a/src/stubs.ts b/src/stubs.ts
@@ -33,7 +33,7 @@ export const configureMock = <TMock extends Mock>(
   const behaviorStack = createBehaviorStack<TMock>()
   const fallbackImplementation = getFallbackImplementation(mock)
 
-  const implementation = (...args: ParametersOf<TMock>) => {
+  function implementation(...args: ParametersOf<TMock>) {
     const behavior = behaviorStack.use(args)?.behavior ?? {
       type: BehaviorType.DO,
       callback: fallbackImplementation,
@@ -59,7 +59,7 @@ export const configureMock = <TMock extends Mock>(
 
       case BehaviorType.DO: {
         // eslint-disable-next-line @typescript-eslint/no-unsafe-return
-        return behavior.callback?.(...args)
+        return behavior.callback?.call(this, ...args)
       }
     }
   }

Original file line number	Diff line number	Diff line change
`@@ -33,7 +33,7 @@ export const configureMock = <TMock extends Mock>(`
`33`	`33`	`const behaviorStack = createBehaviorStack<TMock>()`
`34`	`34`	`const fallbackImplementation = getFallbackImplementation(mock)`
`35`	`35`
`36`		`- const implementation = (...args: ParametersOf<TMock>) => {`
	`36`	`+ function implementation(...args: ParametersOf<TMock>) {`
`37`	`37`	`const behavior = behaviorStack.use(args)?.behavior ?? {`
`38`	`38`	`type: BehaviorType.DO,`
`39`	`39`	`callback: fallbackImplementation,`
`@@ -59,7 +59,7 @@ export const configureMock = <TMock extends Mock>(`
`59`	`59`
`60`	`60`	`case BehaviorType.DO: {`
`61`	`61`	`// eslint-disable-next-line @typescript-eslint/no-unsafe-return`
`62`		`- return behavior.callback?.(...args)`
	`62`	`+ return behavior.callback?.call(this, ...args)`
`63`	`63`	`}`
`64`	`64`	`}`
`65`	`65`	`}`