Ignore "cannot assign to read-only property" errors with expectError

tsdjs · Mar 17, 2019 · 2f5ea25 · 2f5ea25
1 parent f552237
commit 2f5ea25
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Showing 3 changed files with 6 additions and 3 deletions.
diff --git a/source/lib/compiler.ts b/source/lib/compiler.ts
@@ -71,7 +71,8 @@ const extractExpectErrorRanges = (sourceFile: SourceFile) => {
 
 const diagnosticCodesToIgnore = [
 	DiagnosticCode.ArgumentTypeIsNotAssignableToParameterType,
-	DiagnosticCode.PropertyDoesNotExistOnType
+	DiagnosticCode.PropertyDoesNotExistOnType,
+	DiagnosticCode.CannotAssignToReadOnlyProperty
 ];
 
 /**

diff --git a/source/lib/interfaces.ts b/source/lib/interfaces.ts
@@ -8,7 +8,8 @@ export interface Context {
 export enum DiagnosticCode {
 	AwaitIsOnlyAllowedInAsyncFunction = 1308,
 	PropertyDoesNotExistOnType = 2339,
-	ArgumentTypeIsNotAssignableToParameterType = 2345
+	ArgumentTypeIsNotAssignableToParameterType = 2345,
+	CannotAssignToReadOnlyProperty = 2540
 }
 
 export interface Diagnostic {

diff --git a/source/test/fixtures/expect-error/values/index.test-d.ts b/source/test/fixtures/expect-error/values/index.test-d.ts
@@ -3,8 +3,9 @@ import {expectError} from '../../../..';
 expectError<string>(1);
 expectError<string>('fo');
 
-const foo = {
+const foo: {readonly bar: string} = {
 	bar: 'baz'
 };
 
+expectError(foo.bar = 'quux');
 expectError(foo.quux);