@alessiofrittoli/web-utils
Version:
Common TypeScript web utilities
102 lines (100 loc) • 2.83 kB
TypeScript
/**
* Check whether Node.js runtime environment is in development mode.
*
* @returns True if current runtime environment is in development environment, false otherwise.
*/
declare const isDev: () => boolean;
/**
* Check whether Node.js runtime environment is in test mode.
*
* @returns True if current runtime environment is in test environment, false otherwise.
*/
declare const isTest: () => boolean;
/**
* Check whether result is a Promise.
*
* @param p The result to check.
* @returns True if result is a Promise, false otherwise.
*/
declare const isPromise: <T>(p: unknown) => p is Promise<T>;
/**
* Check whether variable is an AsyncFunction.
*
* @param f The variable to check.
* @returns True if variable is an AsyncFunction, false otherwise.
*/
declare const isAsyncFunction: <T extends CallableFunction>(f: T) => f is T;
/**
* Check whether a variable is a string or not.
*
* @param s The variable to check.
* @returns boolean
*/
declare const isString: (s: unknown) => s is string;
/**
* Check if object is array.
*
* @param a The object / array to check.
*
* @returns boolean
*/
declare const isArray: (a: unknown) => a is Array<unknown>;
/**
* Check whether an Array is an empty Array.
*
* @param a The Array to check.
* @returns True if the Array has no entries, false otherwise.
*/
declare const isEmptyArray: <T>(a: Array<T>) => boolean;
/**
* Check if object is an object.
*
* @param a The object / array to check.
*
* @returns boolean
*/
declare const isObject: (a: unknown) => a is object;
/**
* Check whether an object is an empty object.
*
* @param obj The object to check.
* @returns True if the object has no entries, false otherwise.
*/
declare const isEmptyObject: (obj: object) => boolean;
/**
* Check if string is a valid JSON object.
*
* @param string
*
* @returns boolean
*/
declare const isJson: (string: unknown) => string is string;
/**
* Check whether a variable is a NodeList or not.
*
* @param n The variable to check.
* @returns boolean
*/
declare const isNodeList: (n: unknown) => n is NodeList;
/**
* Check whether a variable is an HTML DOM Element or not.
*
* @param e The variable to check.
* @returns boolean
*/
declare const isNodeElement: (e: unknown) => e is Element;
/**
* Check if event is a TouchEvent.
*
* @param event The native event interface.
*
* @returns True if event is TouchEvent, false otherwise.
*/
declare const isTouchEvent: (event: Event) => event is TouchEvent;
/**
* Check if device is a Touch device.
*
* @returns True if device is a Touch device, false otherwise.
*/
declare const isTouchDevice: () => boolean;
export { isArray, isAsyncFunction, isDev, isEmptyArray, isEmptyObject, isJson, isNodeElement, isNodeList, isObject, isPromise, isString, isTest, isTouchDevice, isTouchEvent };