Class Utils

src/danfojs-base/shared/utils.ts:28–858

 * General Utility class
 */
export default class Utils {
    /**
     * Removes an element from a 1D array
     * 
     * ```js
     * 
     * ```
     * @param arr The array to filter.
     * @param index The index to filter by.
     */
    removeElementFromArray(arr: ArrayType1D, index: number): ArrayType1D {
        const newArr = arr.filter((_, i: number) => i != index);
        return newArr;
    }

    /**
     * Check if value is a string.
     * @param value The value to check.
     * @returns 
     */
    isString<T>(value: T): boolean {
        return typeof value === "string";
    }

    /**
     * Checks if value is a number.
     * @param value The value to check.
     * @returns 
     */
    isNumber<T>(value: T): boolean {
        return typeof value === "number" && isFinite(value);
    }

    /**
     * Checks if value is an object.
     * @param value The value to check.
     * @returns 
     */
    isObject(value: any): boolean {
        return value && typeof value === "object" && value.constructor && value.constructor.name === "Object";
    }

    /**
     * Checks if a value is null
     * @param value The value to check.
     * @returns 
     */
    isNull<T>(value: T): boolean {
        return value === null;
    }

    /**
     * Checks if a value is undefined
     * @param value The value to check.
     * @returns 
     */
    isUndefined<T>(value: T): boolean {
        return typeof value === "undefined";