export function toInteger(value: any): number {
  return parseInt(`${value}`, 10);
}

export function toString(value: any): string {
  return (value !== undefined && value !== null) ? `${value}` : '';
}

export function getValueInRange(value: number, max: number, min = 0): number {
  return Math.max(Math.min(value, max), min);
}

export function isString(value: any): boolean {
  return typeof value === 'string';
}

export function isNumber(value: any): boolean {
  return !isNaN(toInteger(value));
}

export function isInteger(value: any): boolean {
  return typeof value === 'number' && isFinite(value) && Math.floor(value) === value;
}

export function isDefined(value: any): boolean {
  return value !== undefined && value !== null;
}

export function padNumber(value: number) {
  if (isNumber(value)) {
    return value > 9? `${value}`.slice(-2):'0' + `${value}`.slice(-2);
  } else {
    return '';
  }
}

export function regExpEscape(text) {
  return text.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, '\\$&');
}