@doubco/wtf/lib/index.js

Type checker for JS

'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

/*
globals
Symbol
*/
var isString = function (i) {
    return typeof i === "string" || i instanceof String;
};
var isArray = function (i) {
    return Array.isArray(i);
};
var isObject = function (i) {
    if (i === null || isArray(i)) {
        return false;
    }
    return typeof i === "function" || typeof i === "object";
};
var isDate = function (value) {
    var getDay = Date.prototype.getDay;
    var tryDateObject = function tryDateGetDayCall(value) {
        try {
            getDay.call(value);
            return true;
        }
        catch (e) {
            return false;
        }
    };
    var toStr = Object.prototype.toString;
    var dateClass = "[object Date]";
    var hasToStringTag = typeof Symbol === "function" && typeof Symbol.toStringTag === "symbol";
    if (typeof value !== "object" || value === null) {
        return false;
    }
    return hasToStringTag
        ? tryDateObject(value)
        : toStr.call(value) === dateClass;
};
var isFunction = function (i) {
    return i && {}.toString.call(i) === "[object Function]";
};
var isFloat = function (n) {
    return Number(n) === n && n % 1 !== 0;
};
var isInteger = function (n) {
    return Number(n) === n && n % 1 === 0;
};
var isNumber = function (n) {
    return isFloat(n) || isInteger(n);
};
var isEmpty = function (value) {
    if (value === null)
        return true;
    if (value === undefined)
        return true;
    if (isObject(value) && !Object.keys(value).length)
        return true;
    if (!value.length)
        return true;
};
var isRegExp = function (input) {
    return Object.prototype.toString.call(input) === "[object RegExp]";
};
var isBoolean = function (input) {
    return input === true || input === false;
};
var isISO8601 = function (input) {
    var re = /^(-?(?:[1-9][0-9]*)?[0-9]{4})-(1[0-2]|0[1-9])-(3[01]|0[1-9]|[12][0-9])T(2[0-3]|[01][0-9]):([0-5][0-9]):([0-5][0-9])(.[0-9]+)?(Z)?$/;
    return re.test(input);
};
var isNull = function (i) {
    return i == null || i == undefined;
};
var isColor = function (input) {
    if (isString(input)) {
        var re = /#(?:[a-f\d]{3}){1,2}\b|rgb\((?:(?:\s*0*(?:25[0-5]|2[0-4]\d|1?\d?\d)\s*,){2}\s*0*(?:25[0-5]|2[0-4]\d|1?\d?\d)|\s*0*(?:100(?:\.0+)?|\d?\d(?:\.\d+)?)%(?:\s*,\s*0*(?:100(?:\.0+)?|\d?\d(?:\.\d+)?)%){2})\s*\)|hsl\(\s*0*(?:360|3[0-5]\d|[12]?\d?\d)\s*(?:,\s*0*(?:100(?:\.0+)?|\d?\d(?:\.\d+)?)%\s*){2}\)|(?:rgba\((?:(?:\s*0*(?:25[0-5]|2[0-4]\d|1?\d?\d)\s*,){3}|(?:\s*0*(?:100(?:\.0+)?|\d?\d(?:\.\d+)?)%\s*,){3})|hsla\(\s*0*(?:360|3[0-5]\d|[12]?\d?\d)\s*(?:,\s*0*(?:100(?:\.0+)?|\d?\d(?:\.\d+)?)%\s*){2},)\s*0*(?:1(?:\.0+)?|0(?:\.\d+)?)\s*\)/gi;
        var results = input.match(re);
        if (results) {
            if (results.length == 1) {
                if (results[0] == input) {
                    return true;
                }
            }
        }
    }
    return false;
};
var WTF = {
    string: isString,
    object: isObject,
    date: isDate,
    fn: isFunction,
    array: isArray,
    float: isFloat,
    integer: isInteger,
    number: isNumber,
    regexp: isRegExp,
    boolean: isBoolean,
    empty: isEmpty,
    ISO8601: isISO8601,
    color: isColor,
    null: isNull,
};

exports['default'] = WTF;
exports.isArray = isArray;
exports.isBoolean = isBoolean;
exports.isColor = isColor;
exports.isDate = isDate;
exports.isEmpty = isEmpty;
exports.isFloat = isFloat;
exports.isFunction = isFunction;
exports.isISO8601 = isISO8601;
exports.isInteger = isInteger;
exports.isNull = isNull;
exports.isNumber = isNumber;
exports.isObject = isObject;
exports.isRegExp = isRegExp;
exports.isString = isString;
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