45 lines
1023 B
TypeScript
45 lines
1023 B
TypeScript
export interface InterceptorResolved<T = unknown> {
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(value: T): T | Promise<T>;
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}
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export interface InterceptorRejected<T = unknown> {
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(error: unknown): T | Promise<T>;
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}
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export interface Interceptor<T = unknown> {
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resolved: InterceptorResolved<T>;
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rejected?: InterceptorRejected<T>;
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}
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export interface InterceptorExecutor<T = unknown> {
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(interceptor: Interceptor<T>): void;
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}
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export default class InterceptorManager<T = unknown> {
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#id = 0;
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#interceptors: AnyObject<Interceptor<T>> = {};
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use(
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resolved: InterceptorResolved<T>,
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rejected?: InterceptorRejected<T>,
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): number {
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this.#interceptors[++this.#id] = {
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resolved,
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rejected,
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};
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return this.#id;
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}
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eject(id: number): void {
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delete this.#interceptors[id];
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}
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forEach(executor: InterceptorExecutor<T>, reverse?: boolean): void {
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let interceptors: Interceptor<T>[] = Object.values(this.#interceptors);
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if (reverse) interceptors = interceptors.reverse();
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interceptors.forEach(executor);
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}
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}
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