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1 lines
4.8 KiB
1 lines
4.8 KiB
define(["exports","./util"],function(a,b){"use strict";function c(a){return a&&a.__esModule?a:{"default":a}}function d(a,b){if(!(a instanceof b))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(a,"__esModule",{value:!0});var e=c(b),f="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(a){return typeof a}:function(a){return a&&"function"==typeof Symbol&&a.constructor===Symbol?"symbol":typeof a},g=function(){function a(a,b){for(var c=0;c<b.length;c++){var d=b[c];d.enumerable=d.enumerable||!1,d.configurable=!0,"value"in d&&(d.writable=!0),Object.defineProperty(a,d.key,d)}}return function(b,c,d){return c&&a(b.prototype,c),d&&a(b,d),b}}(),h=function(a){var b="scrollspy",c="4.0.0-alpha.4",h="bs.scrollspy",i="."+h,j=".data-api",k=a.fn[b],l={offset:10,method:"auto",target:""},m={offset:"number",method:"string",target:"(string|element)"},n={ACTIVATE:"activate"+i,SCROLL:"scroll"+i,LOAD_DATA_API:"load"+i+j},o={DROPDOWN_ITEM:"dropdown-item",DROPDOWN_MENU:"dropdown-menu",NAV_LINK:"nav-link",NAV:"nav",ACTIVE:"active"},p={DATA_SPY:'[data-spy="scroll"]',ACTIVE:".active",LIST_ITEM:".list-item",LI:"li",LI_DROPDOWN:"li.dropdown",NAV_LINKS:".nav-link",DROPDOWN:".dropdown",DROPDOWN_ITEMS:".dropdown-item",DROPDOWN_TOGGLE:".dropdown-toggle"},q={OFFSET:"offset",POSITION:"position"},r=function(){function j(b,c){d(this,j),this._element=b,this._scrollElement="BODY"===b.tagName?window:b,this._config=this._getConfig(c),this._selector=this._config.target+" "+p.NAV_LINKS+","+(this._config.target+" "+p.DROPDOWN_ITEMS),this._offsets=[],this._targets=[],this._activeTarget=null,this._scrollHeight=0,a(this._scrollElement).on(n.SCROLL,a.proxy(this._process,this)),this.refresh(),this._process()}return g(j,[{key:"refresh",value:function(){var b=this,c=this._scrollElement!==this._scrollElement.window?q.POSITION:q.OFFSET,d="auto"===this._config.method?c:this._config.method,f=d===q.POSITION?this._getScrollTop():0;this._offsets=[],this._targets=[],this._scrollHeight=this._getScrollHeight();var g=a.makeArray(a(this._selector));g.map(function(b){var c=void 0,g=e["default"].getSelectorFromElement(b);return g&&(c=a(g)[0]),c&&(c.offsetWidth||c.offsetHeight)?[a(c)[d]().top+f,g]:null}).filter(function(a){return a}).sort(function(a,b){return a[0]-b[0]}).forEach(function(a){b._offsets.push(a[0]),b._targets.push(a[1])})}},{key:"dispose",value:function(){a.removeData(this._element,h),a(this._scrollElement).off(i),this._element=null,this._scrollElement=null,this._config=null,this._selector=null,this._offsets=null,this._targets=null,this._activeTarget=null,this._scrollHeight=null}},{key:"_getConfig",value:function(c){if(c=a.extend({},l,c),"string"!=typeof c.target){var d=a(c.target).attr("id");d||(d=e["default"].getUID(b),a(c.target).attr("id",d)),c.target="#"+d}return e["default"].typeCheckConfig(b,c,m),c}},{key:"_getScrollTop",value:function(){return this._scrollElement===window?this._scrollElement.scrollY:this._scrollElement.scrollTop}},{key:"_getScrollHeight",value:function(){return this._scrollElement.scrollHeight||Math.max(document.body.scrollHeight,document.documentElement.scrollHeight)}},{key:"_process",value:function(){var a=this._getScrollTop()+this._config.offset,b=this._getScrollHeight(),c=this._config.offset+b-this._scrollElement.offsetHeight;if(this._scrollHeight!==b&&this.refresh(),a>=c){var d=this._targets[this._targets.length-1];this._activeTarget!==d&&this._activate(d)}if(this._activeTarget&&a<this._offsets[0])return this._activeTarget=null,void this._clear();for(var e=this._offsets.length;e--;){var f=this._activeTarget!==this._targets[e]&&a>=this._offsets[e]&&(void 0===this._offsets[e+1]||a<this._offsets[e+1]);f&&this._activate(this._targets[e])}}},{key:"_activate",value:function(b){this._activeTarget=b,this._clear();var c=this._selector.split(",");c=c.map(function(a){return a+'[data-target="'+b+'"],'+(a+'[href="'+b+'"]')});var d=a(c.join(","));d.hasClass(o.DROPDOWN_ITEM)?(d.closest(p.DROPDOWN).find(p.DROPDOWN_TOGGLE).addClass(o.ACTIVE),d.addClass(o.ACTIVE)):d.parents(p.LI).find(p.NAV_LINKS).addClass(o.ACTIVE),a(this._scrollElement).trigger(n.ACTIVATE,{relatedTarget:b})}},{key:"_clear",value:function(){a(this._selector).filter(p.ACTIVE).removeClass(o.ACTIVE)}}],[{key:"_jQueryInterface",value:function(b){return this.each(function(){var c=a(this).data(h),d="object"===("undefined"==typeof b?"undefined":f(b))&&b||null;if(c||(c=new j(this,d),a(this).data(h,c)),"string"==typeof b){if(void 0===c[b])throw new Error('No method named "'+b+'"');c[b]()}})}},{key:"VERSION",get:function(){return c}},{key:"Default",get:function(){return l}}]),j}();return a(window).on(n.LOAD_DATA_API,function(){for(var b=a.makeArray(a(p.DATA_SPY)),c=b.length;c--;){var d=a(b[c]);r._jQueryInterface.call(d,d.data())}}),a.fn[b]=r._jQueryInterface,a.fn[b].Constructor=r,a.fn[b].noConflict=function(){return a.fn[b]=k,r._jQueryInterface},r}(jQuery);a["default"]=h});
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