31 lines
690 B
TypeScript
31 lines
690 B
TypeScript
// @declaration: true
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interface Constructor<C> { new (...args: any[]): C; }
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function mixin<B extends Constructor<{}>>(Base: B) {
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class PrivateMixed extends Base {
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bar = 2;
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}
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return PrivateMixed;
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}
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export class Unmixed {
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foo = 1;
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}
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export const Mixed = mixin(Unmixed);
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function Filter<C extends Constructor<{}>>(ctor: C) {
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abstract class FilterMixin extends ctor {
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abstract match(path: string): boolean;
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// other concrete methods, fields, constructor
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thing = 12;
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}
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return FilterMixin;
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}
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export class FilteredThing extends Filter(Unmixed) {
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match(path: string) {
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return false;
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}
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}
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