f-utility/lib/range.js

functional utilities

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.range = exports.__range = undefined;

var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();

var _katsuCurry = require("katsu-curry");

var __range = exports.__range = function __range(start, end) {
  var agg = [];
  var swap = start < end;

  var _ref = swap ? [start, end] : [end + 1, start + 1],
      _ref2 = _slicedToArray(_ref, 2),
      a = _ref2[0],
      b = _ref2[1];

  for (var x = a; x < b; x++) {
    agg.push(x);
  }
  // return agg
  return swap ? agg : agg.reverse();
};
var range = exports.range = (0, _katsuCurry.curry)(__range);