hbecher/sequence-js
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Herve BECHER
2025-09-10 10:21:37 +02:00
parent 6a23adb75d
commit b6a29cdec2
20 changed files with 480 additions and 259 deletions
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16
src/random/types.ts
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@@ -4,7 +4,7 @@ export type ElementPredicate<T = any> = (index: number, obj: T) => boolean;
export type ElementWeight<T = any> = (index: number, obj: T) => number;
export type RandomGenerator = () => number;
export interface RandomOptions<T = any> {
export type RandomOptions<T = any> = {
predicate?: ElementPredicate<T>;
weight?: ElementWeight<T>;
random?: RandomGenerator;
@@ -13,8 +13,20 @@ export interface RandomOptions<T = any> {
export type MaybeAsyncElementPredicate<T = any> = MaybeAsyncFunction<ElementPredicate<T>>;
export type MaybeAsyncElementWeight<T = any> = MaybeAsyncFunction<ElementWeight<T>>;
export interface AsyncRandomOptions<T = any> {
export type AsyncRandomOptions<T = any> = {
predicate?: MaybeAsyncElementPredicate<T>;
weight?: MaybeAsyncElementWeight<T>;
random?: RandomGenerator;
};
type RandomElementFound<T> = {
found: true;
element: T;
index: number;
};
type RandomElementNotFound = {
found: false;
element: undefined;
index: -1;
};
export type RandomElement<T> = RandomElementFound<T> | RandomElementNotFound;