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tests/cases/conformance/additionalChecks/noPropertyAccessFromIndexSignature1.ts(24,3): error TS4111: Property 'foo' comes from an index signature, so it must be accessed with ['foo'].
tests/cases/conformance/additionalChecks/noPropertyAccessFromIndexSignature1.ts(32,3): error TS4111: Property 'bar' comes from an index signature, so it must be accessed with ['bar'].
tests/cases/conformance/additionalChecks/noPropertyAccessFromIndexSignature1.ts(40,4): error TS4111: Property 'bar' comes from an index signature, so it must be accessed with ['bar'].
==== tests/cases/conformance/additionalChecks/noPropertyAccessFromIndexSignature1.ts (3 errors) ====
interface A {
foo: string
}
interface B {
[k: string]: string
}
interface C {
foo: string
[k: string]: string
}
declare const a: A;
declare const b: B;
declare const c: C;
declare const d: C | undefined;
// access property
a.foo;
a["foo"]
// access index signature
b.foo;
~~~
!!! error TS4111: Property 'foo' comes from an index signature, so it must be accessed with ['foo'].
b["foo"];
// access property
c.foo;
c["foo"]
// access index signature
c.bar;
~~~
!!! error TS4111: Property 'bar' comes from an index signature, so it must be accessed with ['bar'].
c["bar"];
// optional access property
d?.foo;
d?.["foo"]
// optional access index signature
d?.bar;
~~~
!!! error TS4111: Property 'bar' comes from an index signature, so it must be accessed with ['bar'].
d?.["bar"];
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