@aws-amplify/core/lib/JS.d.ts

Core category of aws-amplify

export default class JS {
    static isEmpty(obj: any): boolean;
    static sortByField(list: any, field: any, dir: any): boolean;
    static objectLessAttributes(obj: any, less: any): any;
    static filenameToContentType(filename: any, defVal?: string): string;
    static isTextFile(contentType: any): boolean;
    /**
     * generate random string
     */
    static generateRandomString(): string;
    static makeQuerablePromise(promise: any): any;
    static browserOrNode(): {
        isBrowser: boolean;
        isNode: boolean;
    };
    /**
     * transfer the first letter of the keys to lowercase
     * @param {Object} obj - the object need to be transferred
     * @param {Array} whiteListForItself - whitelist itself from being transferred
     * @param {Array} whiteListForChildren - whitelist its children keys from being transferred
     */
    static transferKeyToLowerCase(obj: any, whiteListForItself?: any[], whiteListForChildren?: any[]): any;
    /**
     * transfer the first letter of the keys to lowercase
     * @param {Object} obj - the object need to be transferred
     * @param {Array} whiteListForItself - whitelist itself from being transferred
     * @param {Array} whiteListForChildren - whitelist its children keys from being transferred
     */
    static transferKeyToUpperCase(obj: any, whiteListForItself?: any[], whiteListForChildren?: any[]): any;
    /**
     * Return true if the object is a strict object
     * which means it's not Array, Function, Number, String, Boolean or Null
     * @param obj the Object
     */
    static isStrictObject(obj: any): boolean;
}