mobx/lib/utils/utils.d.ts

Simple, scalable state management.

import { IKeyValueMap, IObservableArray, ObservableMap } from "../internal";
export declare const OBFUSCATED_ERROR = "An invariant failed, however the error is obfuscated because this is an production build.";
export declare const EMPTY_ARRAY: never[];
export declare const EMPTY_OBJECT: {};
export interface Lambda {
    (): void;
    name?: string;
}
export declare function getNextId(): number;
export declare function fail(message: string | boolean): never;
export declare function invariant(check: false, message?: string | boolean): never;
export declare function invariant(check: true, message?: string | boolean): void;
export declare function invariant(check: any, message?: string | boolean): void;
export declare function deprecated(msg: string): boolean;
export declare function deprecated(thing: string, replacement: string): boolean;
/**
 * Makes sure that the provided function is invoked at most once.
 */
export declare function once(func: Lambda): Lambda;
export declare const noop: () => void;
export declare function unique<T>(list: T[]): T[];
export declare function isObject(value: any): boolean;
export declare function isPlainObject(value: any): boolean;
export declare function makeNonEnumerable(object: any, propNames: PropertyKey[]): void;
export declare function addHiddenProp(object: any, propName: PropertyKey, value: any): void;
export declare function addHiddenFinalProp(object: any, propName: PropertyKey, value: any): void;
export declare function isPropertyConfigurable(object: any, prop: PropertyKey): boolean;
export declare function assertPropertyConfigurable(object: any, prop: PropertyKey): void;
export declare function createInstanceofPredicate<T>(name: string, clazz: new (...args: any[]) => T): (x: any) => x is T;
/**
 * Returns whether the argument is an array, disregarding observability.
 */
export declare function isArrayLike(x: any): x is Array<any> | IObservableArray<any>;
export declare function isES6Map(thing: any): boolean;
export declare function isES6Set(thing: any): thing is Set<any>;
/**
 * Returns the following: own keys, prototype keys & own symbol keys, if they are enumerable.
 */
export declare function getPlainObjectKeys(object: any): (string | number | symbol)[];
export declare function stringifyKey(key: any): string;
export declare function getMapLikeKeys<K, V>(map: ObservableMap<K, V>): ReadonlyArray<K>;
export declare function getMapLikeKeys<V>(map: IKeyValueMap<V> | any): ReadonlyArray<string>;
export declare function toPrimitive(value: any): any;