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 王天杨
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/*!
Copyright (c) 2018 Jed Watson.
Licensed under the MIT License (MIT), see
http://jedwatson.github.io/classnames
*/
/* global define */
(function () {
'use strict';
var hasOwn = {}.hasOwnProperty;
function classNames () {
var classes = '';
for (var i = 0; i < arguments.length; i++) {
var arg = arguments[i];
if (arg) {
classes = appendClass(classes, parseValue.call(this, arg));
}
}
return classes;
}
function parseValue (arg) {
if (typeof arg === 'string' || typeof arg === 'number') {
return this && this[arg] || arg;
}
if (typeof arg !== 'object') {
return '';
}
if (Array.isArray(arg)) {
return classNames.apply(this, arg);
}
if (arg.toString !== Object.prototype.toString && !arg.toString.toString().includes('[native code]')) {
return arg.toString();
}
var classes = '';
for (var key in arg) {
if (hasOwn.call(arg, key) && arg[key]) {
classes = appendClass(classes, this && this[key] || key);
}
}
return classes;
}
function appendClass (value, newClass) {
if (!newClass) {
return value;
}
if (value) {
return value + ' ' + newClass;
}
return value + newClass;
}
if (typeof module !== 'undefined' && module.exports) {
classNames.default = classNames;
module.exports = classNames;
} else if (typeof define === 'function' && typeof define.amd === 'object' && define.amd) {
// register as 'classnames', consistent with npm package name
define('classnames', [], function () {
return classNames;
});
} else {
window.classNames = classNames;
}
}());
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