instantsearch.js/cjs/lib/utils/range.js

InstantSearch.js is a JavaScript library for building performant and instant search experiences with Algolia.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

function range(_ref) {
  var _ref$start = _ref.start,
      start = _ref$start === void 0 ? 0 : _ref$start,
      end = _ref.end,
      _ref$step = _ref.step,
      step = _ref$step === void 0 ? 1 : _ref$step;
  // We can't divide by 0 so we re-assign the step to 1 if it happens.
  var limitStep = step === 0 ? 1 : step; // In some cases the array to create has a decimal length.
  // We therefore need to round the value.
  // Example:
  //   { start: 1, end: 5000, step: 500 }
  //   => Array length = (5000 - 1) / 500 = 9.998

  var arrayLength = Math.round((end - start) / limitStep);
  return _toConsumableArray(Array(arrayLength)).map(function (_, current) {
    return start + current * limitStep;
  });
}

var _default = range;
exports.default = _default;