simple-jsrange/dist/utils.js

Simple range function for JavaScript

"use strict";

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

var newRangeError = function newRangeError() {
    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
    }

    var start = args[0],
        end = args[1],
        options = args[2];
    var step = options.step,
        inc = options.inc;


    return new RangeError("Invalid args for range(" + start + "," + end + ") with options:{step: " + step + ", inc: " + inc + "}");
};

var throwInvalidRange = function throwInvalidRange() {
    throw newRangeError.apply(undefined, arguments);
};

var checkValue = function checkValue(value) {
    var isNumber = typeof value === "number";
    var isValidString = typeof value === "string" && value !== " " && value.length === 1;
    return isNumber || isValidString;
};

var checkAllValues = function checkAllValues(start, end, options) {

    if (!checkValue(start) || !checkValue(end)) return true;

    if ((typeof start === "undefined" ? "undefined" : _typeof(start)) !== (typeof end === "undefined" ? "undefined" : _typeof(end))) return true;

    if (!Number.isInteger(options.step)) return true;

    if (options.step === 0) return true;

    if (options.step < 0) return true;

    return false;
};

module.exports = {
    throwInvalidRange: throwInvalidRange,
    checkValue: checkValue,
    checkAllValues: checkAllValues
};