105 lines
2.2 KiB
JavaScript
105 lines
2.2 KiB
JavaScript
/*!
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* classie - class helper functions
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* from bonzo https://github.com/ded/bonzo
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*
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* classie.has( elem, 'my-class' ) -> true/false
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* classie.add( elem, 'my-new-class' )
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* classie.remove( elem, 'my-unwanted-class' )
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* classie.toggle( elem, 'my-class' )
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*/
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/*jshint browser: true, strict: true, undef: true */
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/*global define: false */
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'use strict';
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// class helper functions from bonzo https://github.com/ded/bonzo
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var classList = require('./class_list_ployfill'),
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classie;
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function classReg(className) {
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return new RegExp("(^|\\s+)" + className + "(\\s+|$)");
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}
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function noop() {}
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function isArr(classes) {
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if (Array.isArray(classes)) {
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return true;
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} else if (Object.prototype.toString.call(classes) === '[object Array]') {
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return true;
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} else {
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return false;
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}
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}
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function removeMultiple() {
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var c = arguments[1],
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elem = arguments[0];
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c.forEach(function(value) {
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if (classie.has(elem, value)) {
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noop();
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}
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classie.removeClass(elem, value);
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});
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}
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function addMultiple() {
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var c = arguments[1],
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elem = arguments[0];
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c.forEach(function(value) {
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if (classie.has(elem, value)) {
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noop();
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}
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classie.addClass(elem, value);
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});
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}
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function hasClass(elem, c) {
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return elem.classList.contains(c);
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}
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function addClass(elem, c) {
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if (isArr(c)) {
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addMultiple.apply(this, arguments);
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} else {
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elem.classList.add(c);
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}
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}
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function removeClass(elem, c) {
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if (isArr(c)) {
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removeMultiple.apply(this, arguments);
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} else {
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elem.classList.remove(c);
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}
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}
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function toggleClass(elem, c) {
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var fn = hasClass(elem, c) ? removeClass : addClass;
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fn(elem, c);
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}
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var classie = {
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// full names
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hasClass: hasClass,
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addClass: addClass,
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removeClass: removeClass,
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toggleClass: toggleClass,
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// short names
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has: hasClass,
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add: addClass,
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remove: removeClass,
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toggle: toggleClass
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};
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// transport
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if (typeof module === "object" && module && typeof module.exports === "object") {
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// commonjs / browserify
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module.exports = classie;
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} else {
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// AMD
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define(classie);
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}
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