ts-std-lib
Version:
A standard library for typescript
125 lines (124 loc) • 3.91 kB
TypeScript
import { AbstractConstructor } from './Constructor';
import { Primitive } from './Primitive';
import { AsyncFunction } from './AsyncFunction';
/**
* Extended types from `typeof`
*/
export declare type PrimitiveType = 'undefined' | 'null' | 'boolean' | 'number' | 'bigint' | 'string' | 'symbol' | 'function' | 'array' | 'object';
/**
* For runtime type operations
*/
export declare class Type {
/**
* Improved `typeof value` function, accounts for null and arrays.
* @param value The value to test.
*/
static of(value: unknown): PrimitiveType;
/**
* Check if a value is an instance of a type
* @param constructor The type
* @param value The value
*/
static isInstanceOf<T>(constructor: AbstractConstructor<T>, value: any): value is T;
/**
* Check if a value is null
* @param value The value
*/
static isNull(value: any): value is null;
/**
* Check if a value is undefined
* @param value The value
*/
static isUndefined(value: any): value is undefined;
/**
* Check if a value is a boolean
* @param value The value
*/
static isBoolean(value: any): value is boolean;
/**
* Check if a value is a number
* @param value The value
*/
static isNumber(value: any): value is number;
/**
* Check if a value is a BigInt
* @param value The value
*/
static isBigInt(value: any): value is BigInt;
/**
* Check if a value is a string
* @param value The object
*/
static isString(value: any): value is string;
/**
* Check if a value is a function
* @param value The value
*/
static isFunction(value: any): value is Function;
/**
* Check if a value is a symbol
* @param value The value
*/
static isSymbol(value: any): value is symbol;
/**
* Check if a value is a generator function
* @param value The value
*/
static isGeneratorFunction(value: any): value is GeneratorFunction;
/**
* Check if a value is an async function
* @param value The value
*/
static isAsyncFunction(value: any): value is AsyncFunction<any>;
/**
* Check if a value is a promise
* @param value The value
*/
static isPromise(value: any): value is Promise<any>;
/**
* Check if a value is a proxy
* @param value The value
*/
static isProxy(value: any): value is typeof Proxy;
/**
* Check if a value is a regular expression
* @param value The value
*/
static isRegExp(value: any): value is RegExp;
/**
* Check if a value is an iterable
* @param value The value
*/
static isIterable(value: any): value is Iterable<any>;
/**
* Check if a value is an async iterable
* @param value The value
*/
static isAsyncIterable(value: any): value is AsyncIterable<any>;
/**
* Check if a value is an array
* @param value The value
*/
static isArray(value: unknown): value is ReadonlyArray<any>;
/**
* Check if a value is array like
* @param value The value
*/
static isArrayLike(value: unknown): value is ArrayLike<any>;
/**
* Check if a value is a non-null object
* @param value The value
*/
static isObject(value: unknown): value is NonNullable<object>;
/**
* Check if a value is a class
* @param value The value
*/
static isClass(value: unknown): value is object;
/**
* Check if an object is a primitive
* @param value The value
*/
static isPrimitive(value: unknown): value is Primitive;
static hasKeysOf<T extends object>(value: unknown, expectedKeys: ReadonlyArray<keyof T> | ReadonlyMap<keyof T, PrimitiveType>): value is T;
}