21 lines
772 B
TypeScript
21 lines
772 B
TypeScript
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// https://github.com/Microsoft/TypeScript/issues/25379
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interface Map<K, V> {
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// ...
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}
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export type ImmutableTypes = IImmutableMap<any>;
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export type ImmutableModel<T> = { [K in keyof T]: T[K] extends ImmutableTypes ? T[K] : never };
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export interface IImmutableMap<T extends ImmutableModel<T>> extends Map<string, any> {
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set<K extends keyof T>(key: K, value: T[K]): IImmutableMap<T>;
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}
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export type ImmutableTypes2 = IImmutableMap2<any>;
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type isImmutableType<T> = [T] extends [ImmutableTypes2] ? T : never;
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export type ImmutableModel2<T> = { [K in keyof T]: isImmutableType<T[K]> };
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export interface IImmutableMap2<T extends ImmutableModel2<T>> extends Map<string, any> {
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set<K extends keyof T>(key: K, value: T[K]): IImmutableMap2<T>;
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}
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