33 lines
858 B
TypeScript
33 lines
858 B
TypeScript
//// [recursiveReverseMappedType.ts]
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// Repro from #38198
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type Recur<T> = (
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T extends (unknown[]) ? {} : { [K in keyof T]?: Recur<T[K]> }
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) | ['marker', ...Recur<T>[]];
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function join<T>(l: Recur<T>[]): Recur<T> {
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return ['marker', ...l];
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}
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function a<T>(l: Recur<T>[]): void {
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const x: Recur<T> | undefined = join(l);
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}
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//// [recursiveReverseMappedType.js]
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"use strict";
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// Repro from #38198
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var __spreadArrays = (this && this.__spreadArrays) || function () {
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for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;
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for (var r = Array(s), k = 0, i = 0; i < il; i++)
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for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)
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r[k] = a[j];
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return r;
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};
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function join(l) {
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return __spreadArrays(['marker'], l);
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}
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function a(l) {
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var x = join(l);
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}
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