feat: support errors to be a message

antfu · May 6, 2024 · 1db89e9 · 1db89e9
1 parent 318c75a
commit 1db89e9
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/src/index.ts b/src/index.ts
@@ -79,7 +79,10 @@ export function createRuleTester(options: RuleTesterOptions): RuleTesterResult {
     messages.forEach(rewriteMessage)
 
     if (_case.errors) {
-      if (typeof _case.errors === 'number') {
+      if (typeof _case.errors === 'function') {
+        _case.errors(messages)
+      }
+      else if (typeof _case.errors === 'number') {
         expect.soft(messages.length, 'number of error messages').toBe(_case.errors)
       }
       else {

diff --git a/src/types.ts b/src/types.ts
@@ -16,7 +16,7 @@ export interface ValidTestCaseBase extends Linter.FlatConfig {
 }
 
 export interface InvalidTestCaseBase extends ValidTestCaseBase {
-  errors?: number | (string | Partial<Linter.LintMessage>)[]
+  errors?: number | (string | Partial<Linter.LintMessage>)[] | ((errors: Linter.LintMessage[]) => void)
   output?: string | ((output: string) => void)
 }