Mutator of Array constructor without new missing for TypeScript

[brodybits]

Summary

The following test updates show Array constructor mutator that is missing for TypeScript:

--- a/packages/mutator-specification/src/ArrayDeclarationMutatorSpec.ts
+++ b/packages/mutator-specification/src/ArrayDeclarationMutatorSpec.ts
@@ -20,6 +20,9 @@ export default function ArrayDeclarationMutatorSpec(name: string, expectMutation
     it('should mutate filled Array constructor calls as empty arrays', () => {
       expectMutation('new Array(a, 1 + 1)', 'new Array()');
       expectMutation("new Array('val')", 'new Array()');
+      // XXX known issue on TypeScript mutator:
+      expectMutation("Array('val')", 'Array()');
+      expectMutation('Array(a, 1 + 1)', 'Array()');
     });
 
     it('should not mutate other new expressions', () => {
@@ -29,6 +32,8 @@ export default function ArrayDeclarationMutatorSpec(name: string, expectMutation
 
     it('should mutate empty array constructor call as a filled array', () => {
       expectMutation('new Array()', 'new Array([])');
+      // XXX known issue on TypeScript mutator:
+      expectMutation('Array()', 'Array([])');
     });
   });
 }

Stryker config

see https://github.com/stryker-mutator/stryker/blob/master/packages/javascript-mutator/stryker.conf.js

Test runner config

see https://github.com/stryker-mutator/stryker/blob/master/packages/javascript-mutator/package.json

Stryker environment

see https://github.com/stryker-mutator/stryker/blob/master/packages/javascript-mutator/package.json

Test runner environment

see https://github.com/stryker-mutator/stryker/blob/master/packages/javascript-mutator/package.json

Your Environment

software	version(s)
node	12.13.1
npm	6.12.1
Operating System	Linux, macOS

Add stryker.log

[bartekleon]

Nice catch!