/
immutable.d.ts
1865 lines (1614 loc) · 81.8 KB
/
immutable.d.ts
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export type RambdaTypes = "Object" | "Number" | "Boolean" | "String" | "Null" | "Array" | "RegExp" | "NaN" | "Function" | "Undefined" | "Async" | "Promise" | "Symbol" | "Set" | "Error" | "Map" | "WeakMap" | "Generator" | "GeneratorFunction" | "BigInt" | "ArrayBuffer" | "Date"
type LastArrayElement<ValueType extends readonly unknown[]> =
ValueType extends readonly [infer ElementType]
? ElementType
: ValueType extends readonly [infer _, ...infer Tail]
? LastArrayElement<Tail>
: ValueType extends ReadonlyArray<infer ElementType>
? ElementType
: never;
type FirstArrayElement<ValueType extends readonly unknown[]> =
ValueType extends readonly [infer ElementType]
? ElementType
: ValueType extends readonly [...infer Head, infer _]
? FirstArrayElement<Head>
: ValueType extends ReadonlyArray<infer ElementType>
? ElementType
: never;
export function reduceStopper<T>(input: T) : T
export type IndexedIterator<T, U> = (x: T, i: number) => U;
export type Iterator<T, U> = (x: T) => U;
export type ObjectIterator<T, U> = (x: T, prop: string, inputObj: Dictionary<T>) => U;
type Ord = number | string | boolean | Date;
type Ordering = -1 | 0 | 1;
type Path = string | readonly (number | string)[];
export type RamdaPath = readonly (number | string)[];
type Predicate<T> = (x: T) => boolean;
export type IndexedPredicate<T> = (x: T, i: number) => boolean;
export type ObjectPredicate<T> = (x: T, prop: string, inputObj: Dictionary<T>) => boolean;
type CondPair<T extends readonly any[], R> = readonly [(...val: T) => boolean, (...val: T) => R]
type Prop<T, P extends keyof never> = P extends keyof Exclude<T, undefined>
? T extends undefined ? undefined : T[Extract<P, keyof T>]
: undefined;
type ValueOfRecord<R> =
R extends Record<any, infer T>
? T
: never;
interface KeyValuePair<K, V> extends Array<K | V> {
readonly 0: K;
readonly 1: V;
}
export type Functor<A> = { readonly map: <B>(fn: (a: A) => B) => Functor<B>; readonly [key: string]: any };
export type Lens<S, A> = (functorFactory: (a: A) => Functor<A>) => (s: S) => Functor<S>;
export type ObjPred<T = unknown> = (value: any, key: unknown extends T ? string : keyof T) => boolean;
type Arity1Fn = (x: any) => any;
type Arity2Fn = (x: any, y: any) => any;
type Pred = (...x: readonly any[]) => boolean;
export interface Dictionary<T> {readonly [index: string]: T}
type Partial<T> = { readonly [P in keyof T]?: T[P]};
type _TupleOf<T, N extends number, R extends readonly unknown[]> = R['length'] extends N ? R : _TupleOf<T, N, readonly [T, ...R]>;
export type Tuple<T, N extends number> = N extends N ? (number extends N ? readonly T[] : _TupleOf<T, N, readonly []>) : never;
type Evolvable<E extends Evolver> = { readonly[P in keyof E]?: Evolved<E[P]>};
type Evolver<T extends Evolvable<any> = any> = { readonly [key in keyof Partial<T>]: ((value: T[key]) => T[key]) | (T[key] extends Evolvable<any> ? Evolver<T[key]> : never);
};
type Evolve<O extends Evolvable<E>, E extends Evolver> = { readonly [P in keyof O]: P extends keyof E
? EvolveValue<O[P], E[P]>
: O[P];
};
type Evolved<A> =
A extends (value: infer V) => any
? V
: A extends Evolver
? Evolvable<A>
: never;
type EvolveNestedValue<O, E extends Evolver> =
O extends object
? O extends Evolvable<E>
? Evolve<O, E>
: never
: never;
type EvolveValue<V, E> =
E extends (value: V) => any
? ReturnType<E>
: E extends Evolver
? EvolveNestedValue<V, E>
: never;
interface AssocPartialOne<K extends keyof any> {
<T>(val: T): <U>(obj: U) => Record<K, T> & U;
<T, U>(val: T, obj: U): Record<K, T> & U;
}
type AtLeastOneFunctionsFlowFromRightToLeft<TArgs extends readonly any[], TResult> =
| readonly [(...args: any) => TResult, ...ReadonlyArray<(args: any) => any>, (...args: TArgs) => any]
| readonly [(...args: TArgs) => TResult];
type AnyFunction = (...args: readonly any[]) => unknown;
type AnyConstructor = new (...args: readonly any[]) => unknown;
type RegExpReplacerFn =
| ((m: string, offset: number, s: string, groups?: Record<string, string>) => string)
| ((m: string, p1: string, offset: number, s: string, groups?: Record<string, string>) => string)
| ((m: string, p1: string, p2: string, offset: number, s: string, groups?: Record<string, string>) => string)
| ((m: string, p1: string, p2: string, p3: string, offset: number, s: string, groups?: Record<string, string>) => string)
| ((m: string, p1: string, p2: string, p3: string, p4: string, offset: number, s: string, groups?: Record<string, string>) => string)
| ((m: string, p1: string, p2: string, p3: string, p4: string, p5: string, offset: number, s: string, groups?: Record<string, string>) => string)
| ((m: string, p1: string, p2: string, p3: string, p4: string, p5: string, p6: string, offset: number, s: string, groups?: Record<string, string>) => string)
| ((m: string, p1: string, p2: string, p3: string, p4: string, p5: string, p6: string, p7: string, offset: number, s: string, groups?: Record<string, string>) => string)
| ((m: string, p1: string, p2: string, p3: string, p4: string, p5: string, p6: string, p7: string, p8: string, offset: number, s: string, groups?: Record<string, string>) => string)
| ((m: string, p1: string, p2: string, p3: string, p4: string, p5: string, p6: string, p7: string, p8: string, p9: string, offset: number, s: string, groups?: Record<string, string>) => string)
type RegExpReplacer = string | RegExpReplacerFn
/** `TSuper`, when `TSuper` is a supertype of `T`; otherwise `never`. */
type IsFirstSubtypeOfSecond<First, Second> = (First extends Second ? Second : never);
// RAMBDAX INTERFACES
// ============================================
type Func<T> = (input: any) => T;
type VoidInputFunc<T> = () => T;
type Fn<In, Out> = (x: In) => Out;
type SortObjectPredicate<T> = (aProp: string, bProp: string, aValue: T, bValue: T) => number;
type IdentityFunction<T> = (x: T) => T;
interface Filter<T> {
(list: readonly T[]): readonly T[];
(obj: Dictionary<T>): Dictionary<T>;
}
type ArgumentTypes<T> = T extends (...args: infer U) => infer R ? U : never;
type isfn<T> = (x: any, y: any) => T;
interface Switchem<T> {
readonly is: isfn<Switchem<T>>;
readonly default: IdentityFunction<T>;
}
interface Schema {
readonly [key: string]: any;
}
interface SchemaAsync {
readonly [key: string]: Promise<boolean>;
}
export interface IsValid {
readonly input: object;
readonly schema: Schema;
}
export interface IsValidAsync {
readonly input: object;
readonly schema: Schema | SchemaAsync;
}
type ProduceRules<Output,K extends keyof Output, Input> = { readonly [P in K]: (input: Input) => Output[P];
};
type ProduceAsyncRules<Output,K extends keyof Output, Input> = { readonly [P in K]: (input: Input) => Promise<Output[P]>;
};
type ProduceAsyncRule<Input> = (input: Input) => Promise<any>;
type Async<T> = (x: any) => Promise<T>;
type AsyncIterable<T, K> = (x: T) => Promise<K>;
type AsyncIterableIndexed<T, K> = (x: T, i: number) => Promise<K>;
type AsyncPredicate<T> = (x: T) => Promise<boolean>;
type AsyncPredicateIndexed<T> = (x: T, i: number) => Promise<boolean>;
type AsyncWithProp<T> = (x: any, prop?: string) => Promise<T>;
type ApplyDiffUpdate = {readonly op:'update', readonly path: string, readonly value: any};
type ApplyDiffAdd = {readonly op:'add', readonly path: string, readonly value: any};
type ApplyDiffRemove = {readonly op:'remove', readonly path: string};
type ApplyDiffRule = ApplyDiffUpdate | ApplyDiffAdd | ApplyDiffRemove;
export function F(): boolean;
export function T(): boolean;
/**
* It adds `a` and `b`.
*/
export function add(a: number, b: number): number;
export function add(a: number): (b: number) => number;
export function addIndex(originalFn: any): (fn: any) => (list: readonly any[]) => readonly any[];
export function addIndex(originalFn: any): (fn: any, list: readonly any[]) => readonly any[];
/**
* Same as `R.addIndex`, but it will passed indexes are decreasing, instead of increasing.
*/
export function addIndexRight(originalFn: any): (fn: any) => (list: readonly any[]) => readonly any[];
export function addIndexRight(originalFn: any): (fn: any, list: readonly any[]) => readonly any[];
/**
* It replaces `index` in array `list` with the result of `replaceFn(list[i])`.
*/
export function adjust<T>(index: number, replaceFn: (x: T) => T, list: readonly T[]): readonly T[];
export function adjust<T>(index: number, replaceFn: (x: T) => T): (list: readonly T[]) => readonly T[];
/**
* It returns `true`, if all members of array `list` returns `true`, when applied as argument to `predicate` function.
*/
export function all<T>(predicate: (x: T) => boolean, list: readonly T[]): boolean;
export function all<T>(predicate: (x: T) => boolean): (list: readonly T[]) => boolean;
/**
* It returns `true`, if all functions of `predicates` return `true`, when `input` is their argument.
*/
export function allPass<T>(predicates: readonly ((x: T) => boolean)[]): (input: T) => boolean;
export function allPass<T>(predicates: readonly ((...inputs: readonly T[]) => boolean)[]): (...inputs: readonly T[]) => boolean;
/**
* It returns function that always returns `x`.
*/
export function always<T>(x: T): (...args: readonly unknown[]) => T;
/**
* Logical AND
*/
export function and<T, U>(x: T, y: U): T | U;
export function and<T>(x: T): <U>(y: U) => T | U;
/**
* It returns `true`, if at least one member of `list` returns true, when passed to a `predicate` function.
*/
export function any<T>(predicate: (x: T) => boolean, list: readonly T[]): boolean;
export function any<T>(predicate: (x: T) => boolean): (list: readonly T[]) => boolean;
/**
* It accepts list of `predicates` and returns a function. This function with its `input` will return `true`, if any of `predicates` returns `true` for this `input`.
*/
export function anyPass<T>(predicates: readonly ((x: T) => boolean)[]): (input: T) => boolean;
export function anyPass<T>(predicates: readonly ((...inputs: readonly T[]) => boolean)[]): (...inputs: readonly T[]) => boolean;
/**
* It takes a list of functions and a list of values. Then it returns a list of values obtained by applying each function to each value.
*/
export function ap<T, U>(fns: readonly ReadonlyArray<(a: T) => U>[], vs: readonly T[]): readonly U[];
export function ap<T, U>(fns: ReadonlyArray<(a: T) => U>): (vs: readonly T[]) => readonly U[];
export function ap<R, A, B>(fn: (r: R, a: A) => B, fn1: (r: R) => A): (r: R) => B;
/**
* It returns a new list, composed of consecutive `n`-tuples from a `list`.
*/
export function aperture<N extends number, T>(n: N, list: readonly T[]): ReadonlyArray<Tuple<T, N>> | readonly [];
export function aperture<N extends number>(n: N): <T>(list: readonly T[]) => ReadonlyArray<Tuple<T, N>> | readonly [];
/**
* It adds element `x` at the end of `iterable`.
*/
export function append<T>(xToAppend: T, iterable: readonly T[]): readonly T[];
export function append<T, U>(xToAppend: T, iterable: readonly IsFirstSubtypeOfSecond<T, U>[]) : readonly U[];
export function append<T>(xToAppend: T): <U>(iterable: readonly IsFirstSubtypeOfSecond<T, U>[]) => readonly U[];
export function append<T>(xToAppend: T): (iterable: readonly T[]) => readonly T[];
/**
* It applies function `fn` to the list of arguments.
*
* This is useful for creating a fixed-arity function from a variadic function. `fn` should be a bound function if context is significant.
*/
export function apply<T = any>(fn: (...args: readonly any[]) => T, args: readonly any[]): T;
export function apply<T = any>(fn: (...args: readonly any[]) => T): (args: readonly any[]) => T;
export function applySpec<Spec extends Record<string, AnyFunction>>(
spec: Spec
): (
...args: Parameters<ValueOfRecord<Spec>>
) => { readonly [Key in keyof Spec]: ReturnType<Spec[Key]> };
export function applySpec<T>(spec: any): (...args: readonly unknown[]) => T;
export function applyTo<T, U>(el: T, fn: (t: T) => U): U;
export function applyTo<T>(el: T): <U>(fn: (t: T) => U) => U;
export function ascend<T>(fn: (obj: T) => Ord, a: T, b: T): Ordering;
export function ascend<T>(fn: (obj: T) => Ord): (a: T, b: T) => Ordering;
/**
* It makes a shallow clone of `obj` with setting or overriding the property `prop` with `newValue`.
*/
export function assoc<T, U, K extends string>(prop: K, val: T, obj: U): Record<K, T> & Omit<U, K>;
export function assoc<T, K extends string>(prop: K, val: T): <U>(obj: U) => Record<K, T> & Omit<U, K>;
export function assoc<K extends string>(prop: K): AssocPartialOne<K>;
/**
* It makes a shallow clone of `obj` with setting or overriding with `newValue` the property found with `path`.
*/
export function assocPath<Output>(path: Path, newValue: any, obj: object): Output;
export function assocPath<Output>(path: Path, newValue: any): (obj: object) => Output;
export function assocPath<Output>(path: Path): (newValue: any) => (obj: object) => Output;
export function binary<T extends (...arg: readonly any[]) => any>(fn: T): (...args: readonly any[]) => ReturnType<T>;
/**
* Creates a function that is bound to a context.
*/
export function bind<F extends AnyFunction, T>(fn: F, thisObj: T): (...args: Parameters<F>) => ReturnType<F>;
export function bind<F extends AnyFunction, T>(fn: F): (thisObj: T) => (...args: Parameters<F>) => ReturnType<F>;
/**
* It returns a function with `input` argument.
*
* This function will return `true`, if both `firstCondition` and `secondCondition` return `true` when `input` is passed as their argument.
*/
export function both(pred1: Pred, pred2: Pred): Pred;
export function both<T>(pred1: Predicate<T>, pred2: Predicate<T>): Predicate<T>;
export function both<T>(pred1: Predicate<T>): (pred2: Predicate<T>) => Predicate<T>;
export function both(pred1: Pred): (pred2: Pred) => Pred;
export function call<T extends (...args: readonly any[]) => any>(fn: T, ...args: Parameters<T>): ReturnType<T>;
/**
* The method is also known as `flatMap`.
*/
export function chain<T, U>(fn: (n: T) => readonly U[], list: readonly T[]): readonly U[];
export function chain<T, U>(fn: (n: T) => readonly U[]): (list: readonly T[]) => readonly U[];
/**
* Restrict a number `input` to be within `min` and `max` limits.
*
* If `input` is bigger than `max`, then the result is `max`.
*
* If `input` is smaller than `min`, then the result is `min`.
*/
export function clamp(min: number, max: number, input: number): number;
export function clamp(min: number, max: number): (input: number) => number;
/**
* It creates a deep copy of the `input`, which may contain (nested) Arrays and Objects, Numbers, Strings, Booleans and Dates.
*/
export function clone<T>(input: T): T;
export function clone<T>(input: readonly T[]): readonly T[];
export function collectBy<T, K extends PropertyKey>(keyFn: (value: T) => K, list: readonly T[]): readonly (readonly T[])[];
export function collectBy<T, K extends PropertyKey>(keyFn: (value: T) => K): (list: readonly T[]) => readonly (readonly T[])[];
/**
* It returns a comparator function that can be used in `sort` method.
*/
export function comparator<T>(pred: (a: T, b: T) => boolean): (x: T, y: T) => Ordering;
/**
* It returns `inverted` version of `origin` function that accept `input` as argument.
*
* The return value of `inverted` is the negative boolean value of `origin(input)`.
*/
export function complement<T extends readonly any[]>(predicate: (...args: T) => unknown): (...args: T) => boolean;
/**
* It performs right-to-left function composition.
*/
export function compose<TArgs extends readonly any[], R1, R2, R3, R4, R5, R6, R7, TResult>(
...func: readonly [
fnLast: (a: any) => TResult,
...func: ReadonlyArray<(a: any) => any>,
f7: (a: R6) => R7,
f6: (a: R5) => R6,
f5: (a: R4) => R5,
f4: (a: R3) => R4,
f3: (a: R2) => R3,
f2: (a: R1) => R2,
f1: (...args: TArgs) => R1
]
): (...args: TArgs) => TResult;
export function compose<TArgs extends readonly any[], R1, R2, R3, R4, R5, R6, R7, TResult>(
f7: (a: R6) => R7,
f6: (a: R5) => R6,
f5: (a: R4) => R5,
f4: (a: R3) => R4,
f3: (a: R2) => R3,
f2: (a: R1) => R2,
f1: (...args: TArgs) => R1
): (...args: TArgs) => R7;
export function compose<TArgs extends readonly any[], R1, R2, R3, R4, R5, R6, R7>(
f7: (a: R6) => R7,
f6: (a: R5) => R6,
f5: (a: R4) => R5,
f4: (a: R3) => R4,
f3: (a: R2) => R3,
f2: (a: R1) => R2,
f1: (...args: TArgs) => R1
): (...args: TArgs) => R7;
export function compose<TArgs extends readonly any[], R1, R2, R3, R4, R5, R6>(
f6: (a: R5) => R6,
f5: (a: R4) => R5,
f4: (a: R3) => R4,
f3: (a: R2) => R3,
f2: (a: R1) => R2,
f1: (...args: TArgs) => R1
): (...args: TArgs) => R6;
export function compose<TArgs extends readonly any[], R1, R2, R3, R4, R5>(
f5: (a: R4) => R5,
f4: (a: R3) => R4,
f3: (a: R2) => R3,
f2: (a: R1) => R2,
f1: (...args: TArgs) => R1
): (...args: TArgs) => R5;
export function compose<TArgs extends readonly any[], R1, R2, R3, R4>(
f4: (a: R3) => R4,
f3: (a: R2) => R3,
f2: (a: R1) => R2,
f1: (...args: TArgs) => R1
): (...args: TArgs) => R4;
export function compose<TArgs extends readonly any[], R1, R2, R3>(
f3: (a: R2) => R3,
f2: (a: R1) => R2,
f1: (...args: TArgs) => R1
): (...args: TArgs) => R3;
export function compose<TArgs extends readonly any[], R1, R2>(
f2: (a: R1) => R2,
f1: (...args: TArgs) => R1
): (...args: TArgs) => R2;
export function compose<TArgs extends readonly any[], R1>(
f1: (...args: TArgs) => R1
): (...args: TArgs) => R1;
export function composeWith<TArgs extends readonly any[], TResult>(
transformer: (fn: (...args: readonly any[]) => any, intermediatResult: any) => any,
fns: AtLeastOneFunctionsFlowFromRightToLeft<TArgs, TResult>,
): (...args: TArgs) => TResult;
export function composeWith(
transformer: (fn: (...args: readonly any[]) => any, intermediatResult: any) => any,
): <TArgs extends readonly any[], TResult>(
fns: AtLeastOneFunctionsFlowFromRightToLeft<TArgs, TResult>,
) => (...args: TArgs) => TResult;
/**
* It returns a new string or array, which is the result of merging `x` and `y`.
*/
export function concat<T>(x: readonly T[], y: readonly T[]): readonly T[];
export function concat<T>(x: readonly T[]): (y: readonly T[]) => readonly T[];
export function concat(x: string, y: string): string;
export function concat(x: string): (y: string) => string;
/**
* It takes list with `conditions` and returns a new function `fn` that expects `input` as argument.
*
* This function will start evaluating the `conditions` in order to find the first winner(order of conditions matter).
*
* The winner is this condition, which left side returns `true` when `input` is its argument. Then the evaluation of the right side of the winner will be the final result.
*
* If no winner is found, then `fn` returns `undefined`.
*/
export function cond<T extends readonly any[], R>(conditions: ReadonlyArray<CondPair<T, R>>): (...args: T) => R;
/**
* Accepts a converging function and a list of branching functions and returns a new function. When invoked, this new function is applied to some arguments, each branching function is applied to those same arguments. The results of each branching function are passed as arguments to the converging function to produce the return value.
*/
export function converge(after: ((...a: readonly any[]) => any), fns: readonly ((...x: readonly any[]) => any)[]): (...y: readonly any[]) => any;
/**
* It counts how many times `predicate` function returns `true`, when supplied with iteration of `list`.
*/
export function count<T>(predicate: (x: T) => boolean, list: readonly T[]): number;
export function count<T>(predicate: (x: T) => boolean): (list: readonly T[]) => number;
/**
* It counts elements in a list after each instance of the input list is passed through `transformFn` function.
*/
export function countBy<T extends unknown>(transformFn: (x: T) => any, list: readonly T[]): Record<string, number>;
export function countBy<T extends unknown>(transformFn: (x: T) => any): (list: readonly T[]) => Record<string, number>;
/**
* It expects a function as input and returns its curried version.
*/
export function curry(fn: AnyFunction): (...a: readonly any[]) => any;
/**
* It returns a curried equivalent of the provided function, with the specified arity.
*/
export function curryN(length: number, fn: AnyFunction): (...a: readonly any[]) => any;
/**
* It decrements a number.
*/
export function dec(x: number): number;
/**
* It returns `defaultValue`, if all of `inputArguments` are `undefined`, `null` or `NaN`.
*
* Else, it returns the first truthy `inputArguments` instance(from left to right).
*/
export function defaultTo<T>(defaultValue: T, input: T | null | undefined): T;
export function defaultTo<T>(defaultValue: T): (input: T | null | undefined) => T;
export function descend<T>(fn: (obj: T) => Ord, a: T, b: T): Ordering;
export function descend<T>(fn: (obj: T) => Ord): (a: T, b: T) => Ordering;
/**
* It returns the uniq set of all elements in the first list `a` not contained in the second list `b`.
*
* `R.equals` is used to determine equality.
*/
export function difference<T>(a: readonly T[], b: readonly T[]): readonly T[];
export function difference<T>(a: readonly T[]): (b: readonly T[]) => readonly T[];
export function differenceWith<T1, T2>(
pred: (a: T1, b: T2) => boolean,
list1: readonly T1[],
list2: readonly T2[],
): readonly T1[];
export function differenceWith<T1, T2>(
pred: (a: T1, b: T2) => boolean,
): (list1: readonly T1[], list2: readonly T2[]) => readonly T1[];
export function differenceWith<T1, T2>(
pred: (a: T1, b: T2) => boolean,
list1: readonly T1[],
): (list2: readonly T2[]) => readonly T1[];
/**
* It returns a new object that does not contain property `prop`.
*/
export function dissoc<T extends object, K extends keyof T>(prop: K, obj: T): Omit<T, K>;
export function dissoc<K extends string | number>(prop: K): <T extends object>(obj: T) => Omit<T, K>;
export function dissocPath<T>(path: Path, obj: any): T;
export function dissocPath<T>(path: Path): (obj: any) => T;
export function divide(x: number, y: number): number;
export function divide(x: number): (y: number) => number;
/**
* It returns `howMany` items dropped from beginning of list or string `input`.
*/
export function drop<T>(howMany: number, input: readonly T[]): readonly T[];
export function drop(howMany: number, input: string): string;
export function drop<T>(howMany: number): {
<T>(input: readonly T[]): readonly T[];
(input: string): string;
};
/**
* It returns `howMany` items dropped from the end of list or string `input`.
*/
export function dropLast<T>(howMany: number, input: readonly T[]): readonly T[];
export function dropLast(howMany: number, input: string): string;
export function dropLast<T>(howMany: number): {
<T>(input: readonly T[]): readonly T[];
(input: string): string;
};
export function dropLastWhile(predicate: (x: string) => boolean, iterable: string): string;
export function dropLastWhile(predicate: (x: string) => boolean): (iterable: string) => string;
export function dropLastWhile<T>(predicate: (x: T) => boolean, iterable: readonly T[]): readonly T[];
export function dropLastWhile<T>(predicate: (x: T) => boolean): <T>(iterable: readonly T[]) => readonly T[];
/**
* It removes any successive duplicates according to `R.equals`.
*/
export function dropRepeats<T>(list: readonly T[]): readonly T[];
export function dropRepeatsBy<T, U>(fn: (a: T) => U, list: readonly T[]): readonly T[];
export function dropRepeatsBy<T, U>(
fn: (a: T) => U
): (list: readonly T[]) => readonly T[];
export function dropRepeatsBy(fn: any): <T>(list: readonly T[]) => readonly T[];
export function dropRepeatsWith<T>(predicate: (x: T, y: T) => boolean, list: readonly T[]): readonly T[];
export function dropRepeatsWith<T>(predicate: (x: T, y: T) => boolean): (list: readonly T[]) => readonly T[];
export function dropWhile(fn: Predicate<string>, iterable: string): string;
export function dropWhile(fn: Predicate<string>): (iterable: string) => string;
export function dropWhile<T>(fn: Predicate<T>, iterable: readonly T[]): readonly T[];
export function dropWhile<T>(fn: Predicate<T>): (iterable: readonly T[]) => readonly T[];
/**
* It returns a new `predicate` function from `firstPredicate` and `secondPredicate` inputs.
*
* This `predicate` function will return `true`, if any of the two input predicates return `true`.
*/
export function either(firstPredicate: Pred, secondPredicate: Pred): Pred;
export function either<T>(firstPredicate: Predicate<T>, secondPredicate: Predicate<T>): Predicate<T>;
export function either<T>(firstPredicate: Predicate<T>): (secondPredicate: Predicate<T>) => Predicate<T>;
export function either(firstPredicate: Pred): (secondPredicate: Pred) => Pred;
export function empty<T>(x: T): T;
/**
* When iterable is a string, then it behaves as `String.prototype.endsWith`.
* When iterable is a list, then it uses R.equals to determine if the target list ends in the same way as the given target.
*/
export function endsWith<T extends string>(question: T, str: string): boolean;
export function endsWith<T extends string>(question: T): (str: string) => boolean;
export function endsWith<T>(question: readonly T[], list: readonly T[]): boolean;
export function endsWith<T>(question: readonly T[]): (list: readonly T[]) => boolean;
export function eqBy<T>(fn: (a: T) => unknown, a: T, b: T): boolean;
export function eqBy<T>(fn: (a: T) => unknown, a: T): (b: T) => boolean;
export function eqBy<T>(fn: (a: T) => unknown): {
(a: T, b: T): boolean;
(a: T): (b: T) => boolean;
};
/**
* It returns `true` if property `prop` in `obj1` is equal to property `prop` in `obj2` according to `R.equals`.
*/
export function eqProps<T, U>(prop: string, obj1: T, obj2: U): boolean;
export function eqProps<P extends string>(prop: P): <T, U>(obj1: Record<P, T>, obj2: Record<P, U>) => boolean;
export function eqProps<T>(prop: string, obj1: T): <U>(obj2: U) => boolean;
/**
* It deeply compares `x` and `y` and returns `true` if they are equal.
*/
export function equals<T>(x: T, y: T): boolean;
export function equals<T>(x: T): (y: T) => boolean;
/**
* It takes object or array of functions as set of rules. These `rules` are applied to the `iterable` input to produce the result.
*/
export function evolve<T, U>(rules: readonly ((x: T) => U)[], list: readonly T[]): readonly U[];
export function evolve<T, U>(rules: readonly ((x: T) => U)[]) : (list: readonly T[]) => readonly U[];
export function evolve<E extends Evolver, V extends Evolvable<E>>(rules: E, obj: V): Evolve<V, E>;
export function evolve<E extends Evolver>(rules: E): <V extends Evolvable<E>>(obj: V) => Evolve<V, E>;
/**
* It filters list or object `input` using a `predicate` function.
*/
export function filter<T>(predicate: Predicate<T>): (input: readonly T[]) => readonly T[];
export function filter<T>(predicate: Predicate<T>, input: readonly T[]): readonly T[];
export function filter<T, U>(predicate: ObjectPredicate<T>): (x: Dictionary<T>) => Dictionary<T>;
export function filter<T>(predicate: ObjectPredicate<T>, x: Dictionary<T>): Dictionary<T>;
/**
* It returns the first element of `list` that satisfy the `predicate`.
*
* If there is no such element, it returns `undefined`.
*/
export function find<T>(predicate: (x: T) => boolean, list: readonly T[]): T | undefined;
export function find<T>(predicate: (x: T) => boolean): (list: readonly T[]) => T | undefined;
/**
* It returns the index of the first element of `list` satisfying the `predicate` function.
*
* If there is no such element, then `-1` is returned.
*/
export function findIndex<T>(predicate: (x: T) => boolean, list: readonly T[]): number;
export function findIndex<T>(predicate: (x: T) => boolean): (list: readonly T[]) => number;
/**
* It returns the last element of `list` satisfying the `predicate` function.
*
* If there is no such element, then `undefined` is returned.
*/
export function findLast<T>(fn: (x: T) => boolean, list: readonly T[]): T | undefined;
export function findLast<T>(fn: (x: T) => boolean): (list: readonly T[]) => T | undefined;
/**
* It returns the index of the last element of `list` satisfying the `predicate` function.
*
* If there is no such element, then `-1` is returned.
*/
export function findLastIndex<T>(predicate: (x: T) => boolean, list: readonly T[]): number;
export function findLastIndex<T>(predicate: (x: T) => boolean): (list: readonly T[]) => number;
/**
* It deeply flattens an array.
*/
export function flatten<T>(list: readonly any[]): readonly T[];
/**
* It returns function which calls `fn` with exchanged first and second argument.
*/
export function flip<T, U, TResult>(fn: (arg0: T, arg1: U) => TResult): (arg1: U, arg0?: T) => TResult;
/**
* It applies `iterable` function over all members of `list` and returns `list`.
*/
export function forEach<T>(fn: Iterator<T, void>, list: readonly T[]): readonly T[];
export function forEach<T>(fn: Iterator<T, void>): (list: readonly T[]) => readonly T[];
export function forEach<T>(fn: ObjectIterator<T, void>, list: Dictionary<T>): Dictionary<T>;
export function forEach<T, U>(fn: ObjectIterator<T, void>): (list: Dictionary<T>) => Dictionary<T>;
export function forEachObjIndexed<T>(fn: (value: T[keyof T], key: keyof T, obj: T) => void, obj: T): T;
export function forEachObjIndexed<T>(fn: (value: T[keyof T], key: keyof T, obj: T) => void): (obj: T) => T;
/**
* It transforms a `listOfPairs` to an object.
*/
export function fromPairs<V>(listOfPairs: readonly ((readonly [number, V]))[]): { readonly [index: number]: V };
export function fromPairs<V>(listOfPairs: readonly ((readonly [string, V]))[]): { readonly [index: string]: V };
/**
* It splits `list` according to a provided `groupFn` function and returns an object.
*/
export function groupBy<T>(groupFn: (x: T) => string, list: readonly T[]): { readonly [index: string]: readonly T[] };
export function groupBy<T>(groupFn: (x: T) => string): (list: readonly T[]) => { readonly [index: string]: readonly T[] };
export function groupBy<T, U>(groupFn: (x: T) => string, list: readonly T[]): U;
export function groupBy<T, U>(groupFn: (x: T) => string): (list: readonly T[]) => U;
/**
* It returns separated version of list or string `input`, where separation is done with equality `compareFn` function.
*/
export function groupWith<T>(compareFn: (x: T, y: T) => boolean): (input: readonly T[]) => readonly ((readonly T[]))[];
export function groupWith<T>(compareFn: (x: T, y: T) => boolean, input: readonly T[]): readonly ((readonly T[]))[];
export function groupWith<T>(compareFn: (x: T, y: T) => boolean, input: string): readonly string[];
export function gt<T, U>(x: T, y: U): boolean;
export function gt<T, U>(x: T): (y: U) => boolean;
export function gte<T, U>(x: T, y: U): boolean;
export function gte<T, U>(x: T): (y: U) => boolean;
/**
* It returns `true` if `obj` has property `prop`.
*/
export function has<T>(prop: string, obj: T): boolean;
export function has(prop: string): <T>(obj: T) => boolean;
export function hasIn(searchProperty: string): <T>(obj: T) => boolean;
export function hasIn<T>(searchProperty: string, obj: T): boolean;
/**
* It will return true, if `input` object has truthy `path`(calculated with `R.path`).
*/
export function hasPath<T>(
path: string | readonly string[],
input: object
): boolean;
export function hasPath<T>(
path: string | readonly string[]
): (input: object) => boolean;
/**
* It returns the first element of list or string `input`.
*/
export function head(str: string): string;
export function head(str: ''): undefined;
export function head<T>(list: readonly never[]): undefined;
export function head<T extends readonly unknown[]>(array: T): FirstArrayElement<T>
export function head<T extends readonly unknown[]>(array: T): FirstArrayElement<T>
/**
* It returns `true` if its arguments `a` and `b` are identical.
*
* Otherwise, it returns `false`.
*/
export function identical<T>(x: T, y: T): boolean;
export function identical<T>(x: T): (y: T) => boolean;
/**
* It just passes back the supplied `input` argument.
*/
export function identity<T>(input: T): T;
/**
* It expects `condition`, `onTrue` and `onFalse` functions as inputs and it returns a new function with example name of `fn`.
*
* When `fn`` is called with `input` argument, it will return either `onTrue(input)` or `onFalse(input)` depending on `condition(input)` evaluation.
*/
export function ifElse<T, TFiltered extends T, TOnTrueResult, TOnFalseResult>(
pred: (a: T) => a is TFiltered,
onTrue: (a: TFiltered) => TOnTrueResult,
onFalse: (a: Exclude<T, TFiltered>) => TOnFalseResult,
): (a: T) => TOnTrueResult | TOnFalseResult;
export function ifElse<TArgs extends readonly any[], TOnTrueResult, TOnFalseResult>(fn: (...args: TArgs) => boolean, onTrue: (...args: TArgs) => TOnTrueResult, onFalse: (...args: TArgs) => TOnFalseResult): (...args: TArgs) => TOnTrueResult | TOnFalseResult;
/**
* It increments a number.
*/
export function inc(x: number): number;
/**
* If `input` is string, then this method work as native `String.includes`.
*
* If `input` is array, then `R.equals` is used to define if `valueToFind` belongs to the list.
*/
export function includes<T extends string>(valueToFind: T, input: string): boolean;
export function includes<T extends string>(valueToFind: T): (input: string) => boolean;
export function includes<T>(valueToFind: T, input: readonly T[]): boolean;
export function includes<T>(valueToFind: T): (input: readonly T[]) => boolean;
/**
* It generates object with properties provided by `condition` and values provided by `list` array.
*
* If `condition` is a function, then all list members are passed through it.
*
* If `condition` is a string, then all list members are passed through `R.path(condition)`.
*/
export function indexBy<T, K extends string | number = string>(condition: (key: T) => K, list: readonly T[]): { readonly [key in K]: T };
export function indexBy<T, K extends string | number | undefined = string>(condition: (key: T) => K, list: readonly T[]): { readonly [key in NonNullable<K>]?: T };
export function indexBy<T, K extends string | number = string>(condition: (key: T) => K): (list: readonly T[]) => { readonly [key in K]: T };
export function indexBy<T, K extends string | number | undefined = string>(condition: (key: T) => K | undefined): (list: readonly T[]) => { readonly [key in NonNullable<K>]?: T };
export function indexBy<T>(condition: string, list: readonly T[]): { readonly [key: string]: T };
export function indexBy<T>(condition: string): (list: readonly T[]) => { readonly [key: string]: T };
/**
* It returns the index of the first element of `list` equals to `valueToFind`.
*
* If there is no such element, it returns `-1`.
*/
export function indexOf<T>(valueToFind: T, list: readonly T[]): number;
export function indexOf<T>(valueToFind: T): (list: readonly T[]) => number;
/**
* It returns all but the last element of list or string `input`.
*/
export function init<T extends readonly unknown[]>(input: T): T extends readonly [...infer U, any] ? U : readonly [...T];
export function init(input: string): string;
/**
* It returns a new list by applying a `predicate` function to all elements of `list1` and `list2` and keeping only these elements where `predicate` returns `true`.
*/
export function innerJoin<T1, T2>(
pred: (a: T1, b: T2) => boolean,
): (list1: readonly T1[], list2: readonly T2[]) => readonly T1[];
export function innerJoin<T1, T2>(
pred: (a: T1, b: T2) => boolean,
list1: readonly T1[],
): (list2: readonly T2[]) => readonly T1[];
export function innerJoin<T1, T2>(pred: (a: T1, b: T2) => boolean, list1: readonly T1[], list2: readonly T2[]): readonly T1[];
export function insert(index: number): <T>(itemToInsert: T, list: readonly T[]) => readonly T[];
export function insert<T>(index: number, itemToInsert: T): (list: readonly T[]) => readonly T[];
export function insert<T>(index: number, itemToInsert: T, list: readonly T[]): readonly T[];
export function insertAll(index: number): <T>(itemsToInsert: readonly T[], list: readonly T[]) => readonly T[];
export function insertAll<T>(index: number, itemsToInsert: readonly T[]): (list: readonly T[]) => readonly T[];
export function insertAll<T>(index: number, itemsToInsert: readonly T[], list: readonly T[]): readonly T[];
/**
* It loops through `listA` and `listB` and returns the intersection of the two according to `R.equals`.
*/
export function intersection<T>(listA: readonly T[], listB: readonly T[]): readonly T[];
export function intersection<T>(listA: readonly T[]): (listB: readonly T[]) => readonly T[];
/**
* It adds a `separator` between members of `list`.
*/
export function intersperse<T>(separator: T, list: readonly T[]): readonly T[];
export function intersperse<T>(separator: T): (list: readonly T[]) => readonly T[];
/**
* It returns `true` if `x` is instance of `targetPrototype`.
*/
export function is<C extends () => any>(targetPrototype: C, val: any): val is ReturnType<C>;
export function is<C extends new () => any>(targetPrototype: C, val: any): val is InstanceType<C>;
export function is<C extends () => any>(targetPrototype: C): (val: any) => val is ReturnType<C>;
export function is<C extends new () => any>(targetPrototype: C): (val: any) => val is InstanceType<C>;
/**
* It returns `true` if `x` is `empty`.
*/
export function isEmpty<T>(x: T): boolean;
/**
* It returns `true` if `x` is either `null` or `undefined`.
*/
export function isNil(x: any): x is null | undefined;
export function isNotNil<T>(value: T): value is NonNullable<T>;
/**
* It returns a string of all `list` instances joined with a `glue`.
*/
export function join<T>(glue: string, list: readonly T[]): string;
export function join<T>(glue: string): (list: readonly T[]) => string;
/**
* It applies list of function to a list of inputs.
*/
export function juxt<A extends readonly any[], R1>(fns: readonly [(...a: A) => R1]): (...a: A) => readonly [R1];
export function juxt<A extends readonly any[], R1, R2>(fns: readonly [(...a: A) => R1, (...a: A) => R2]): (...a: A) => readonly [R1, R2];
export function juxt<A extends readonly any[], R1, R2, R3>(fns: readonly [(...a: A) => R1, (...a: A) => R2, (...a: A) => R3]): (...a: A) => readonly [R1, R2, R3];
export function juxt<A extends readonly any[], R1, R2, R3, R4>(fns: readonly [(...a: A) => R1, (...a: A) => R2, (...a: A) => R3, (...a: A) => R4]): (...a: A) => readonly [R1, R2, R3, R4];
export function juxt<A extends readonly any[], R1, R2, R3, R4, R5>(fns: readonly [(...a: A) => R1, (...a: A) => R2, (...a: A) => R3, (...a: A) => R4, (...a: A) => R5]): (...a: A) => readonly [R1, R2, R3, R4, R5];
export function juxt<A extends readonly any[], U>(fns: ReadonlyArray<(...args: A) => U>): (...args: A) => readonly U[];
/**
* It applies `Object.keys` over `x` and returns its keys.
*/
export function keys<T extends object>(x: T): readonly (keyof T & string)[];
export function keys<T>(x: T): readonly string[];
/**
* It returns the last element of `input`, as the `input` can be either a string or an array.
*/
export function last(str: ''): undefined;
export function last(str: string): string;
export function last(list: readonly never[]): undefined;
export function last<T extends readonly unknown[]>(array: T): LastArrayElement<T>
export function last<T extends readonly unknown[]>(array: T): LastArrayElement<T>
/**
* It returns the last index of `target` in `list` array.
*
* `R.equals` is used to determine equality between `target` and members of `list`.
*
* If there is no such index, then `-1` is returned.
*/
export function lastIndexOf<T>(target: T, list: readonly T[]): number;
export function lastIndexOf<T>(target: T): (list: readonly T[]) => number;
/**
* It returns the `length` property of list or string `input`.
*/
export function length<T>(input: readonly T[]): number;
/**
* It returns a `lens` for the given `getter` and `setter` functions.
*
* The `getter` **gets** the value of the focus; the `setter` **sets** the value of the focus.
*
* The setter should not mutate the data structure.
*/
export function lens<S, A>(getter: (s: S) => A, setter: (a: A, s: S) => S): Lens<S, A>;
/**
* It returns a lens that focuses on specified `index`.
*/
export function lensIndex<A>(n: number): Lens<readonly A[], A>;
export function lensIndex<A extends readonly any[], N extends number>(n: N): Lens<A, A[N]>;
/**
* It returns a lens that focuses on specified `path`.
*/
export function lensPath<S, K0 extends keyof S = keyof S>(path: readonly [K0]): Lens<S, S[K0]>;
export function lensPath<S, K0 extends keyof S = keyof S, K1 extends keyof S[K0] = keyof S[K0]>(
path: readonly [K0, K1],
): Lens<S, S[K0][K1]>;
export function lensPath<
S,
K0 extends keyof S = keyof S,
K1 extends keyof S[K0] = keyof S[K0],
K2 extends keyof S[K0][K1] = keyof S[K0][K1]
>(path: readonly [K0, K1, K2]): Lens<S, S[K0][K1][K2]>;
export function lensPath<
S,
K0 extends keyof S = keyof S,
K1 extends keyof S[K0] = keyof S[K0],
K2 extends keyof S[K0][K1] = keyof S[K0][K1],
K3 extends keyof S[K0][K1][K2] = keyof S[K0][K1][K2]
>(path: readonly [K0, K1, K2, K3]): Lens<S, S[K0][K1][K2][K3]>;
export function lensPath<
S,
K0 extends keyof S = keyof S,
K1 extends keyof S[K0] = keyof S[K0],
K2 extends keyof S[K0][K1] = keyof S[K0][K1],
K3 extends keyof S[K0][K1][K2] = keyof S[K0][K1][K2],
K4 extends keyof S[K0][K1][K2][K3] = keyof S[K0][K1][K2][K3]
>(path: readonly [K0, K1, K2, K3, K4]): Lens<S, S[K0][K1][K2][K3][K4]>;
export function lensPath<
S,
K0 extends keyof S = keyof S,
K1 extends keyof S[K0] = keyof S[K0],
K2 extends keyof S[K0][K1] = keyof S[K0][K1],
K3 extends keyof S[K0][K1][K2] = keyof S[K0][K1][K2],
K4 extends keyof S[K0][K1][K2][K3] = keyof S[K0][K1][K2][K3],
K5 extends keyof S[K0][K1][K2][K3][K4] = keyof S[K0][K1][K2][K3][K4]
>(path: readonly [K0, K1, K2, K3, K4, K5]): Lens<S, S[K0][K1][K2][K3][K4][K5]>;
export function lensPath<S = any, A = any>(path: Path): Lens<S, A>;
/**
* It returns a lens that focuses on specified property `prop`.
*/
export function lensProp<S, K extends keyof S = keyof S>(prop: K): Lens<S, S[K]>;
export function lt<T, U>(x: T, y: U): boolean;
export function lt<T, U>(x: T): (y: U) => boolean;
/**
* It returns the result of looping through `iterable` with `fn`.
*
* It works with both array and object.
*/
export function map<T, U>(fn: ObjectIterator<T, U>, iterable: Dictionary<T>): Dictionary<U>;
export function map<T, U>(fn: Iterator<T, U>, iterable: readonly T[]): readonly U[];
export function map<T, U>(fn: Iterator<T, U>): (iterable: readonly T[]) => readonly U[];
export function map<T, U, S>(fn: ObjectIterator<T, U>): (iterable: Dictionary<T>) => Dictionary<U>;
export function map<T>(fn: Iterator<T, T>): (iterable: readonly T[]) => readonly T[];
export function map<T>(fn: Iterator<T, T>, iterable: readonly T[]): readonly T[];
/**
* It works the same way as `R.map` does for objects. It is added as Ramda also has this method.
*/
export function mapObjIndexed<T>(fn: ObjectIterator<T, T>, iterable: Dictionary<T>): Dictionary<T>;
export function mapObjIndexed<T, U>(fn: ObjectIterator<T, U>, iterable: Dictionary<T>): Dictionary<U>;
export function mapObjIndexed<T>(fn: ObjectIterator<T, T>): (iterable: Dictionary<T>) => Dictionary<T>;
export function mapObjIndexed<T, U>(fn: ObjectIterator<T, U>): (iterable: Dictionary<T>) => Dictionary<U>;
/**
* Curried version of `String.prototype.match` which returns empty array, when there is no match.
*/
export function match(regExpression: RegExp, str: string): readonly string[];
export function match(regExpression: RegExp): (str: string) => readonly string[];
/**
* `R.mathMod` behaves like the modulo operator should mathematically, unlike the `%` operator (and by extension, `R.modulo`). So while `-17 % 5` is `-2`, `mathMod(-17, 5)` is `3`.
*/
export function mathMod(x: number, y: number): number;
export function mathMod(x: number): (y: number) => number;
/**
* It returns the greater value between `x` and `y`.
*/
export function max<T extends Ord>(x: T, y: T): T;
export function max<T extends Ord>(x: T): (y: T) => T;
/**
* It returns the greater value between `x` and `y` according to `compareFn` function.