ramda-adjunct/lib/internal/polyfills/String.padStart.js

Ramda Adjunct is the most popular and most comprehensive set of utilities for use with Ramda, providing a variety of useful, well tested functions with excellent documentation.

"use strict";

exports.__esModule = true;
exports["default"] = void 0;

var _isFunction = _interopRequireDefault(require("../../isFunction"));

var _isNotUndefined = _interopRequireDefault(require("../../isNotUndefined"));

var _String = _interopRequireDefault(require("./String.repeat"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

var padStartPolyfill = function padStartPolyfill(padString, targetLength, value) {
  // eslint-disable-next-line no-bitwise
  var finalLength = targetLength >> 0; // truncate if number, or convert non-number to 0;

  var finalPadString = String((0, _isNotUndefined["default"])(padString) ? padString : ' '); // return the original string, if targeted length is less than original strings length

  if (value.length >= finalLength) {
    return String(value);
  }

  finalLength -= value.length;

  if (finalLength > finalPadString.length) {
    var lenghtToPad = finalLength / finalPadString.length; // append to original to ensure we are longer than needed

    finalPadString += (0, _isFunction["default"])(String.prototype.repeat) ? finalPadString.repeat(lenghtToPad) : (0, _String["default"])(finalPadString, lenghtToPad);
  }

  return finalPadString.slice(0, finalLength) + String(value);
};

var _default = padStartPolyfill;
exports["default"] = _default;