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tests/cases/conformance/es2021/logicalAssignment/logicalAssignment7.ts(10,5): error TS2532: Object is possibly 'undefined'.
tests/cases/conformance/es2021/logicalAssignment/logicalAssignment7.ts(10,40): error TS2345: Argument of type 'number' is not assignable to parameter of type 'never'.
==== tests/cases/conformance/es2021/logicalAssignment/logicalAssignment7.ts (2 errors) ====
function foo1(results: number[] | undefined, results1: number[] | undefined) {
(results ||= results1 ||= []).push(100);
}
function foo2(results: number[] | undefined, results1: number[] | undefined) {
(results ??= results1 ??= []).push(100);
}
function foo3(results: number[] | undefined, results1: number[] | undefined) {
(results &&= results1 &&= []).push(100);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2532: Object is possibly 'undefined'.
~~~
!!! error TS2345: Argument of type 'number' is not assignable to parameter of type 'never'.
}
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