@codibre/fluent-iterable
Version:
Provides LINQ-like fluent api operations for iterables and async iterables (ES2018+).
70 lines (69 loc) • 3.04 kB
TypeScript
import { AnyIterable, AsyncMapper } from 'augmentative-iterable';
import { AsyncReducer, Comparer, Equality } from '../types/base';
import { AnyMapper, CompareProvider, ResolverType } from '../types-internal';
export type IngredientOpt = (predicate?: AnyMapper<any>) => AnyIterable<any>;
export type Ingredient = (predicate: AnyMapper<any>) => AnyIterable<any>;
export type ComparerIngredient = (comparer: Comparer<any>) => AnyIterable<any>;
export type ResolverIngredient = (predicate?: AnyMapper<any>) => any;
export type RequiredResolverIngredient = (predicate: AnyMapper<any>) => any;
export type ReduceIngredient = (reducer: AsyncReducer<any, any>, initial: any) => any;
export type ReduceAndMapIngredient = (reducer: AsyncReducer<any, any>, initial: any, result: AsyncMapper<any, any>) => any;
export type PartitionIngredient = (size: number | Equality<any>) => AnyIterable<AnyIterable<any>>;
export type ThresholdIngredient = (threshold: number) => AnyIterable<AnyIterable<any>>;
export type IterateIngredient = (t: any) => any;
export type ConcatIngredient = (this: AnyIterable<any>, ...iterables: Array<AnyIterable<any>>) => AnyIterable<any>;
export type CombineIngredient = (this: AnyIterable<any>, iterable: AnyIterable<any>, baseKeyA?: AnyMapper<any>, baseKeyB?: AnyMapper<any>) => AnyIterable<[any, any]> | Promise<AnyIterable<[any, any]>>;
export type EmptyIngredient = () => AnyIterable<any>;
export interface BasicIngredients {
resolver: ResolverType;
map: Ingredient;
filter: Ingredient;
takeWhile: Ingredient;
forEach: RequiredResolverIngredient;
iterate: IterateIngredient;
iterateAll: IterateIngredient;
toArray: ResolverIngredient;
}
export interface BasicReduceIngredients extends BasicIngredients {
reduce: ReduceIngredient;
reduceAndMap: ReduceAndMapIngredient;
}
export interface CombineIngredients extends BasicIngredients {
flatten: IngredientOpt;
}
export interface GroupIngredients extends BasicReduceIngredients {
partition: PartitionIngredient;
}
export interface DistinctIngredients extends BasicIngredients {
partition: PartitionIngredient;
filterOrAll: Ingredient | ResolverIngredient;
hasLessOrExactly: ThresholdIngredient;
reduce: ReduceIngredient;
}
export interface MinMaxIngredients extends BasicIngredients {
first: ResolverIngredient;
last: ResolverIngredient;
}
export interface ComparisonIngredients extends BasicIngredients {
count: IngredientOpt;
take: ThresholdIngredient;
comparer: CompareProvider;
}
export interface UnwindIngredients extends BasicIngredients {
flatten: Function;
toObject: Function;
combineJoin: Function;
symbols: Symbol[];
}
export interface ToObjectChainIngredients extends BasicIngredients {
group: Function;
toObject: Function;
flatten: Function;
reduce: AsyncReducer<any, any>;
}
export interface ToMapChainIngredients extends BasicIngredients {
group: Function;
toMap: Function;
flatten: Function;
reduce: AsyncReducer<any, any>;
}