UNPKG

@codibre/fluent-iterable

Version:

Provides LINQ-like fluent api operations for iterables and async iterables (ES2018+).

86 lines (85 loc) 5.2 kB
import { AsyncMapper, Mapper } from 'augmentative-iterable'; export interface IsDistinctFunction<T> { /** * Checks if the given projection have only distinct elements. This is a partial resolving operation, * and will return the result after as soon as an item got more occurrences than the specified * * Examples: * * * `fluent(['anchor', 'almond', 'anchor', 'alpine']).isDistinct()` returns true * * `fluent(['anchor', 'almond', 'bound', 'alpine']).isDistinct(word => word[0])` returns false * * `fluent(['anchor', 'almond', 'bound', 'alpine']).isDistinct(word => word[0], 2)` returns true * @typeparam R The type of the data the element equality is based on. * @param mapper The projection to use to determine element equality. Identity mapping is used if omitted. * @param maxOcurrences The number of accepted occurrences for each item. Default: 1 */ <R>(mapper?: Mapper<T, R>, maxOcurrences?: number): boolean; /** * Checks if the given iterable have only distinct elements. This is a partial resolving operation, * and will return the result after as soon as an item got more occurrences than the specified * * Examples: * * * `fluent(['anchor', 'almond', 'anchor', 'alpine']).isDistinct()` returns true * * `fluent(['anchor', 'almond', 'bound', 'alpine']).isDistinct(word => word[0])` returns false * * `fluent(['anchor', 'almond', 'bound', 'alpine']).isDistinct(word => word[0], 2)` returns true * @param maxOcurrences The number of accepted occurrences for each item. Default: 1 */ (maxOcurrences?: number): boolean; /** * Checks if the given projection have only distinct elements. This is a partial resolving operation, * and will return the result after as soon as an item got more occurrences than the specified * * Examples: * * * `fluent(['anchor', 'almond', 'anchor', 'alpine']).isDistinct()` returns true * * `fluent(['anchor', 'almond', 'bound', 'alpine']).isDistinct(word => word[0])` returns false * * `fluent(['anchor', 'almond', 'bound', 'alpine']).isDistinct(word => word[0], 2)` returns true * @typeparam R The type of the data the element equality is based on. * @param mapper The projection to use to determine element equality. Identity mapping is used if omitted. * @param maxOcurrences The number of accepted occurrences for each item. Default: 1 */ <R extends keyof T>(mapper?: R, maxOcurrences?: number): boolean; } export interface AsyncIsDistinctFunction<T> { /** * Checks if the given iterable have only distinct elements. This is a partial resolving operation, * and will return the result after as soon as an item got more occurrences than the specified * * Examples: * * * `fluent(['anchor', 'almond', 'anchor', 'alpine']).isDistinct()` returns true * * `fluent(['anchor', 'almond', 'bound', 'alpine']).isDistinct(word => word[0])` returns false * * `fluent(['anchor', 'almond', 'bound', 'alpine']).isDistinct(word => word[0], 2)` returns true * @param maxOcurrences The number of accepted occurrences for each item. Default: 1 */ (maxOcurrences?: number): Promise<boolean>; /** * Checks if the given projection have only distinct elements. This is a partial resolving operation, * and will return the result after as soon as an item got more occurrences than the specified * * Examples: * * * `fluent(['anchor', 'almond', 'anchor', 'alpine']).isDistinctAsync()` returns true * * `fluent(['anchor', 'almond', 'bound', 'alpine']).isDistinctAsync(word => word[0])` returns false * * `fluent(['anchor', 'almond', 'bound', 'alpine']).isDistinctAsync(word => word[0], 2)` returns true * @typeparam R The type of the data the element equality is based on. * @param mapper The asynchronous projection to use to determine element equality. Identity mapping is used if omitted. * @param maxOcurrences The number of accepted occurrences for each item. Default: 1 */ <R>(mapper: AsyncMapper<T, R>, maxOcurrences?: number): Promise<boolean>; /** * Checks if the given projection have only distinct elements. This is a partial resolving operation, * and will return the result after as soon as an item got more occurrences than the specified * * Examples: * * * `fluent(['anchor', 'almond', 'anchor', 'alpine']).isDistinctAsync()` returns true * * `fluent(['anchor', 'almond', 'bound', 'alpine']).isDistinctAsync(word => word[0])` returns false * * `fluent(['anchor', 'almond', 'bound', 'alpine']).isDistinctAsync(word => word[0], 2)` returns true * @typeparam R The type of the data the element equality is based on. * @param mapper The asynchronous projection to use to determine element equality. Identity mapping is used if omitted. * @param maxOcurrences The number of accepted occurrences for each item. Default: 1 */ <R extends keyof T>(mapper: R, maxOcurrences?: number): Promise<boolean>; }