229 lines
7.4 KiB
Plaintext
229 lines
7.4 KiB
Plaintext
tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(12,10): error TS2339: Property 'bar' does not exist on type 'A'.
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tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(33,5): error TS2322: Type 'string' is not assignable to type 'number'.
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tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(34,10): error TS2339: Property 'bar' does not exist on type 'B<number>'.
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tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(65,10): error TS2339: Property 'bar1' does not exist on type 'C1 | C2'.
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tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(66,10): error TS2339: Property 'bar2' does not exist on type 'C1 | C2'.
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tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(85,10): error TS2339: Property 'bar' does not exist on type 'D'.
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tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(111,10): error TS2339: Property 'bar1' does not exist on type 'E1 | E2'.
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tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(112,10): error TS2339: Property 'bar2' does not exist on type 'E1 | E2'.
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tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(134,11): error TS2339: Property 'foo' does not exist on type 'string | F'.
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tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(135,11): error TS2339: Property 'bar' does not exist on type 'string | F'.
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tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(160,11): error TS2339: Property 'foo2' does not exist on type 'G1'.
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tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts(182,11): error TS2339: Property 'bar' does not exist on type 'H'.
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==== tests/cases/conformance/expressions/typeGuards/typeGuardsWithInstanceOfByConstructorSignature.ts (12 errors) ====
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interface AConstructor {
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new (): A;
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}
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interface A {
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foo: string;
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}
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declare var A: AConstructor;
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var obj1: A | string;
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if (obj1 instanceof A) { // narrowed to A.
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obj1.foo;
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obj1.bar;
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~~~
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!!! error TS2339: Property 'bar' does not exist on type 'A'.
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}
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var obj2: any;
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if (obj2 instanceof A) { // can't narrow type from 'any'
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obj2.foo;
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obj2.bar;
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}
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// a construct signature with generics
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interface BConstructor {
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new <T>(): B<T>;
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}
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interface B<T> {
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foo: T;
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}
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declare var B: BConstructor;
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var obj3: B<number> | string;
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if (obj3 instanceof B) { // narrowed to B<number>.
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obj3.foo = 1;
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obj3.foo = "str";
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~~~~~~~~
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!!! error TS2322: Type 'string' is not assignable to type 'number'.
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obj3.bar = "str";
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~~~
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!!! error TS2339: Property 'bar' does not exist on type 'B<number>'.
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}
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var obj4: any;
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if (obj4 instanceof B) { // can't narrow type from 'any'
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obj4.foo = "str";
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obj4.foo = 1;
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obj4.bar = "str";
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}
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// has multiple construct signature
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interface CConstructor {
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new (value: string): C1;
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new (value: number): C2;
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}
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interface C1 {
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foo: string;
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c: string;
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bar1: number;
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}
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interface C2 {
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foo: string;
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c: string;
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bar2: number;
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}
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declare var C: CConstructor;
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var obj5: C1 | A;
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if (obj5 instanceof C) { // narrowed to C1|C2.
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obj5.foo;
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obj5.c;
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obj5.bar1;
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~~~~
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!!! error TS2339: Property 'bar1' does not exist on type 'C1 | C2'.
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obj5.bar2;
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~~~~
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!!! error TS2339: Property 'bar2' does not exist on type 'C1 | C2'.
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}
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var obj6: any;
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if (obj6 instanceof C) { // can't narrow type from 'any'
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obj6.foo;
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obj6.bar1;
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obj6.bar2;
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}
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// with object type literal
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interface D {
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foo: string;
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}
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declare var D: { new (): D; };
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var obj7: D | string;
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if (obj7 instanceof D) { // narrowed to D.
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obj7.foo;
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obj7.bar;
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~~~
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!!! error TS2339: Property 'bar' does not exist on type 'D'.
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}
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var obj8: any;
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if (obj8 instanceof D) { // can't narrow type from 'any'
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obj8.foo;
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obj8.bar;
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}
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// a construct signature that returns a union type
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interface EConstructor {
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new (): E1 | E2;
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}
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interface E1 {
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foo: string;
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bar1: number;
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}
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interface E2 {
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foo: string;
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bar2: number;
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}
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declare var E: EConstructor;
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var obj9: E1 | A;
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if (obj9 instanceof E) { // narrowed to E1 | E2
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obj9.foo;
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obj9.bar1;
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~~~~
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!!! error TS2339: Property 'bar1' does not exist on type 'E1 | E2'.
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obj9.bar2;
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~~~~
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!!! error TS2339: Property 'bar2' does not exist on type 'E1 | E2'.
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}
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var obj10: any;
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if (obj10 instanceof E) { // can't narrow type from 'any'
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obj10.foo;
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obj10.bar1;
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obj10.bar2;
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}
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// a construct signature that returns any
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interface FConstructor {
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new (): any;
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}
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interface F {
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foo: string;
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bar: number;
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}
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declare var F: FConstructor;
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var obj11: F | string;
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if (obj11 instanceof F) { // can't type narrowing, construct signature returns any.
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obj11.foo;
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~~~
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!!! error TS2339: Property 'foo' does not exist on type 'string | F'.
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obj11.bar;
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~~~
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!!! error TS2339: Property 'bar' does not exist on type 'string | F'.
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}
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var obj12: any;
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if (obj12 instanceof F) { // can't narrow type from 'any'
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obj12.foo;
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obj12.bar;
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}
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// a type with a prototype, it overrides the construct signature
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interface GConstructor {
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prototype: G1; // high priority
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new (): G2; // low priority
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}
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interface G1 {
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foo1: number;
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}
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interface G2 {
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foo2: boolean;
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}
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declare var G: GConstructor;
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var obj13: G1 | G2;
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if (obj13 instanceof G) { // narrowed to G1. G1 is return type of prototype property.
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obj13.foo1;
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obj13.foo2;
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~~~~
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!!! error TS2339: Property 'foo2' does not exist on type 'G1'.
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}
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var obj14: any;
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if (obj14 instanceof G) { // can't narrow type from 'any'
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obj14.foo1;
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obj14.foo2;
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}
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// a type with a prototype that has any type
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interface HConstructor {
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prototype: any; // high priority, but any type is ignored. interface has implicit `prototype: any`.
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new (): H; // low priority
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}
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interface H {
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foo: number;
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}
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declare var H: HConstructor;
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var obj15: H | string;
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if (obj15 instanceof H) { // narrowed to H.
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obj15.foo;
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obj15.bar;
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~~~
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!!! error TS2339: Property 'bar' does not exist on type 'H'.
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}
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var obj16: any;
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if (obj16 instanceof H) { // can't narrow type from 'any'
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obj16.foo1;
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obj16.foo2;
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}
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