0d284e6c26
* Add support for abstract constructor types * Add backwards-compatible overloads for creating/updating constructor types * Reverting use of 'abstract' in lib/es5.d.ts due to eslint issues * Update baseline due to reverting lib * Add error for failing to mark an mixin class as abstract * Fix declaration/quick info for abstract construct signatures
37 lines
2 KiB
Plaintext
37 lines
2 KiB
Plaintext
tests/cases/conformance/classes/mixinAbstractClasses.2.ts(7,11): error TS2797: A mixin class that extends from a type variable containing an abstract construct signature must also be declared 'abstract'.
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tests/cases/conformance/classes/mixinAbstractClasses.2.ts(21,7): error TS2515: Non-abstract class 'DerivedFromAbstract' does not implement inherited abstract member 'abstractBaseMethod' from class 'AbstractBase & Mixin'.
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tests/cases/conformance/classes/mixinAbstractClasses.2.ts(25,1): error TS2511: Cannot create an instance of an abstract class.
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==== tests/cases/conformance/classes/mixinAbstractClasses.2.ts (3 errors) ====
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interface Mixin {
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mixinMethod(): void;
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}
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function Mixin<TBaseClass extends abstract new (...args: any) => any>(baseClass: TBaseClass): TBaseClass & (abstract new (...args: any) => Mixin) {
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// error expected: A mixin class that extends from a type variable containing an abstract construct signature must also be declared 'abstract'.
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class MixinClass extends baseClass implements Mixin {
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~~~~~~~~~~
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!!! error TS2797: A mixin class that extends from a type variable containing an abstract construct signature must also be declared 'abstract'.
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mixinMethod() {
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}
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}
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return MixinClass;
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}
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abstract class AbstractBase {
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abstract abstractBaseMethod(): void;
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}
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const MixedBase = Mixin(AbstractBase);
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// error expected: Non-abstract class 'DerivedFromAbstract' does not implement inherited abstract member 'abstractBaseMethod' from class 'AbstractBase & Mixin'.
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class DerivedFromAbstract extends MixedBase {
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~~~~~~~~~~~~~~~~~~~
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!!! error TS2515: Non-abstract class 'DerivedFromAbstract' does not implement inherited abstract member 'abstractBaseMethod' from class 'AbstractBase & Mixin'.
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}
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// error expected: Cannot create an instance of an abstract class.
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new MixedBase();
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~~~~~~~~~~~~~~~
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!!! error TS2511: Cannot create an instance of an abstract class. |