85 lines
3.3 KiB
Plaintext
85 lines
3.3 KiB
Plaintext
tests/cases/compiler/truthinessCallExpressionCoercion1.ts(3,5): error TS2774: This condition will always return true since the function is always defined. Did you mean to call it instead?
|
|
tests/cases/compiler/truthinessCallExpressionCoercion1.ts(19,5): error TS2774: This condition will always return true since the function is always defined. Did you mean to call it instead?
|
|
tests/cases/compiler/truthinessCallExpressionCoercion1.ts(33,5): error TS2774: This condition will always return true since the function is always defined. Did you mean to call it instead?
|
|
tests/cases/compiler/truthinessCallExpressionCoercion1.ts(46,5): error TS2774: This condition will always return true since the function is always defined. Did you mean to call it instead?
|
|
tests/cases/compiler/truthinessCallExpressionCoercion1.ts(61,9): error TS2774: This condition will always return true since the function is always defined. Did you mean to call it instead?
|
|
|
|
|
|
==== tests/cases/compiler/truthinessCallExpressionCoercion1.ts (5 errors) ====
|
|
function onlyErrorsWhenTestingNonNullableFunctionType(required: () => boolean, optional?: () => boolean) {
|
|
// error
|
|
required ? console.log('required') : undefined;
|
|
~~~~~~~~
|
|
!!! error TS2774: This condition will always return true since the function is always defined. Did you mean to call it instead?
|
|
|
|
// ok
|
|
optional ? console.log('optional') : undefined;
|
|
|
|
// ok
|
|
!!required ? console.log('not required') : undefined;
|
|
|
|
// ok
|
|
required() ? console.log('required call') : undefined;
|
|
}
|
|
|
|
function onlyErrorsWhenUnusedInBody() {
|
|
function test() { return Math.random() > 0.5; }
|
|
|
|
// error
|
|
test ? console.log('test') : undefined;
|
|
~~~~
|
|
!!! error TS2774: This condition will always return true since the function is always defined. Did you mean to call it instead?
|
|
|
|
// ok
|
|
test ? console.log(test) : undefined;
|
|
|
|
// ok
|
|
test ? test() : undefined;
|
|
|
|
// ok
|
|
test
|
|
? [() => null].forEach(() => { test(); })
|
|
: undefined;
|
|
|
|
// error
|
|
test
|
|
~~~~
|
|
!!! error TS2774: This condition will always return true since the function is always defined. Did you mean to call it instead?
|
|
? [() => null].forEach(test => { test() })
|
|
: undefined;
|
|
}
|
|
|
|
function checksPropertyAccess() {
|
|
const x = {
|
|
foo: {
|
|
bar() { return true; }
|
|
}
|
|
}
|
|
|
|
// error
|
|
x.foo.bar ? console.log('x.foo.bar') : undefined;
|
|
~~~~~~~~~
|
|
!!! error TS2774: This condition will always return true since the function is always defined. Did you mean to call it instead?
|
|
|
|
// ok
|
|
x.foo.bar ? x.foo.bar : undefined;
|
|
}
|
|
|
|
class Foo {
|
|
maybeIsUser?: () => boolean;
|
|
|
|
isUser() {
|
|
return true;
|
|
}
|
|
|
|
test() {
|
|
// error
|
|
this.isUser ? console.log('this.isUser') : undefined;
|
|
~~~~~~~~~~~
|
|
!!! error TS2774: This condition will always return true since the function is always defined. Did you mean to call it instead?
|
|
|
|
// ok
|
|
this.maybeIsUser ? console.log('this.maybeIsUser') : undefined;
|
|
}
|
|
}
|
|
|