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commit 8a6884abef
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{
"name": "headroom.js",
"version": "0.7.0",
"main": [
"dist/headroom.js",
"dist/jQuery.headroom.js",
"dist/angular.headroom.js"
],
"ignore": [
"**/.*",
"node_modules",
"components",
"spec",
"Gruntfile.js",
"src",
"bower_components",
"test",
"tests"
],
"homepage": "http://wicky.nillia.ms/headroom.js/",
"authors": [
"WickyNilliams"
],
"description": "Hide your header until you need it",
"keywords": [
"header",
"js",
"scroll"
],
"license": "MIT",
"_release": "0.7.0",
"_resolution": {
"type": "version",
"tag": "v0.7.0",
"commit": "d08c6be31172d0ba821e7bbe6b20892377d8c363"
},
"_source": "git://github.com/WickyNilliams/headroom.js.git",
"_target": "~0.7.0",
"_originalSource": "headroom.js",
"_direct": true
}

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{
"name": "headroom.js",
"version": "0.7.0",
"main": ["dist/headroom.js", "dist/jQuery.headroom.js", "dist/angular.headroom.js"],
"ignore": [
"**/.*",
"node_modules",
"components",
"spec",
"Gruntfile.js",
"src",
"bower_components",
"test",
"tests"
],
"homepage": "http://wicky.nillia.ms/headroom.js/",
"authors": [
"WickyNilliams"
],
"description": "Hide your header until you need it",
"keywords": [
"header",
"js",
"scroll"
],
"license": "MIT"
}

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/*!
* headroom.js v0.7.0 - Give your page some headroom. Hide your header until you need it
* Copyright (c) 2014 Nick Williams - http://wicky.nillia.ms/headroom.js
* License: MIT
*/
(function(angular) {
if(!angular) {
return;
}
///////////////
// Directive //
///////////////
angular.module('headroom', []).directive('headroom', function() {
return {
restrict: 'EA',
scope: {
tolerance: '=',
offset: '=',
classes: '=',
scroller: '@'
},
link: function(scope, element) {
var options = {};
angular.forEach(Headroom.options, function(value, key) {
options[key] = scope[key] || Headroom.options[key];
});
if (options.scroller) {
options.scroller = angular.element(options.scroller)[0];
}
var headroom = new Headroom(element[0], options);
headroom.init();
scope.$on('destroy', function() {
headroom.destroy();
});
}
};
});
}(window.angular));
!function(angular){angular&&angular.module("headroom",[]).directive("headroom",function(){return{restrict:"EA",scope:{tolerance:"=",offset:"=",classes:"=",scroller:"@"},link:function(scope,element){var options={};angular.forEach(Headroom.options,function(value,key){options[key]=scope[key]||Headroom.options[key]}),options.scroller&&(options.scroller=angular.element(options.scroller)[0]);var headroom=new Headroom(element[0],options);headroom.init(),scope.$on("destroy",function(){headroom.destroy()})}}})}(window.angular);

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/*!
* headroom.js v0.7.0 - Give your page some headroom. Hide your header until you need it
* Copyright (c) 2014 Nick Williams - http://wicky.nillia.ms/headroom.js
* License: MIT
*/
(function (window, document) {
'use strict';
/* exported features */
var requestAnimationFrame = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame;
/**
* Handles debouncing of events via requestAnimationFrame
* @see http://www.html5rocks.com/en/tutorials/speed/animations/
* @param {Function} callback The callback to handle whichever event
*/
function Debouncer(callback) {
this.callback = callback;
this.ticking = false;
}
Debouncer.prototype = {
constructor: Debouncer,
/**
* dispatches the event to the supplied callback
* @private
*/
update: function () {
this.callback && this.callback();
this.ticking = false;
},
/**
* ensures events don't get stacked
* @private
*/
requestTick: function () {
if (!this.ticking) {
requestAnimationFrame(this.rafCallback || (this.rafCallback = this.update.bind(this)));
this.ticking = true;
}
},
/**
* Attach this as the event listeners
*/
handleEvent: function () {
this.requestTick();
}
};
/**
* Check if object is part of the DOM
* @constructor
* @param {Object} obj element to check
*/
function isDOMElement(obj) {
return obj && typeof window !== 'undefined' && (obj === window || obj.nodeType);
}
/**
* Helper function for extending objects
*/
function extend(object /*, objectN ... */) {
if (arguments.length <= 0) {
throw new Error('Missing arguments in extend function');
}
var result = object || {},
key,
i;
for (i = 1; i < arguments.length; i++) {
var replacement = arguments[i] || {};
for (key in replacement) {
// Recurse into object except if the object is a DOM element
if (typeof result[key] === 'object' && !isDOMElement(result[key])) {
result[key] = extend(result[key], replacement[key]);
}
else {
result[key] = result[key] || replacement[key];
}
}
}
return result;
}
/**
* Helper function for normalizing tolerance option to object format
*/
function normalizeTolerance(t) {
return t === Object(t) ? t : { down: t, up: t };
}
var supportsCaptureOption = false;
try {
var opts = Object.defineProperty({}, 'capture', {
get: function () {
supportsCaptureOption = true;
}
});
window.addEventListener("test", null, opts);
} catch (e) { }
function addEventListenerWithOptions(target, type, handler, options) {
var optionsOrCapture = options;
if (!supportsCaptureOption) {
optionsOrCapture = options.capture;
}
target.addEventListener(type, handler, optionsOrCapture);
}
function removeEventListenerWithOptions(target, type, handler, options) {
var optionsOrCapture = options;
if (!supportsCaptureOption) {
optionsOrCapture = options.capture;
}
target.removeEventListener(type, handler, optionsOrCapture);
}
/**
* UI enhancement for fixed headers.
* Hides header when scrolling down
* Shows header when scrolling up
* @constructor
* @param {DOMElement} elem the header element
* @param {Object} options options for the widget
*/
function Headroom(elems, options) {
options = extend(options, Headroom.options);
this.lastKnownScrollY = 0;
this.elems = elems;
this.debouncer = new Debouncer(this.update.bind(this));
this.tolerance = normalizeTolerance(options.tolerance);
this.classes = options.classes;
this.offset = options.offset;
this.scroller = options.scroller;
this.initialised = false;
this.onPin = options.onPin;
this.onUnpin = options.onUnpin;
}
Headroom.prototype = {
constructor: Headroom,
/**
* Initialises the widget
*/
init: function () {
for (var i = 0, length = this.elems.length; i < length; i++) {
this.elems[i].classList.add(this.classes.initial);
}
this.attachEvent();
return this;
},
add: function (elem) {
elem.classList.add(this.classes.initial);
this.elems.push(elem);
},
remove: function (elem) {
var classes = this.classes;
elem.classList.remove(classes.unpinned, classes.pinned, classes.initial);
var i = this.elems.indexOf(elem);
if (i != -1) {
this.elems.splice(i, 1);
}
},
/**
* Unattaches events and removes any classes that were added
*/
destroy: function () {
var classes = this.classes;
this.initialised = false;
for (var i = 0, length = this.elems.length; i < length; i++) {
this.elems[i].classList.remove(classes.unpinned, classes.pinned, classes.initial);
}
removeEventListenerWithOptions(this.scroller, 'scroll', this.debouncer, {
capture: false,
passive: true
});
},
/**
* Attaches the scroll event
* @private
*/
attachEvent: function () {
if (!this.initialised) {
this.lastKnownScrollY = this.getScrollY();
this.initialised = true;
addEventListenerWithOptions(this.scroller, 'scroll', this.debouncer, {
capture: false,
passive: true
});
this.debouncer.handleEvent();
}
},
/**
* Unpins the header if it's currently pinned
*/
unpin: function () {
var classes = this.classes;
for (var i = 0, length = this.elems.length; i < length; i++) {
var classList = this.elems[i].classList;
if (classList.contains(classes.pinned) || !classList.contains(classes.unpinned)) {
classList.add(classes.unpinned);
classList.remove(classes.pinned);
this.onUnpin && this.onUnpin.call(this);
}
}
},
/**
* Pins the header if it's currently unpinned
*/
pin: function () {
var classes = this.classes;
for (var i = 0, length = this.elems.length; i < length; i++) {
var classList = this.elems[i].classList;
if (classList.contains(classes.unpinned)) {
classList.remove(classes.unpinned);
classList.add(classes.pinned);
this.onPin && this.onPin.call(this);
}
}
},
/**
* Gets the Y scroll position
* @see https://developer.mozilla.org/en-US/docs/Web/API/Window.scrollY
* @return {Number} pixels the page has scrolled along the Y-axis
*/
getScrollY: function () {
var pageYOffset = this.scroller.pageYOffset;
if (pageYOffset !== undefined) {
return pageYOffset;
}
var scrollTop = this.scroller.scrollTop;
if (scrollTop !== undefined) {
return scrollTop;
}
return (document.documentElement || document.body).scrollTop;
},
/**
* determines if the tolerance has been exceeded
* @param {int} currentScrollY the current scroll y position
* @return {bool} true if tolerance exceeded, false otherwise
*/
toleranceExceeded: function (currentScrollY, direction) {
return Math.abs(currentScrollY - this.lastKnownScrollY) >= this.tolerance[direction];
},
/**
* determine if it is appropriate to unpin
* @param {int} currentScrollY the current y scroll position
* @param {bool} toleranceExceeded has the tolerance been exceeded?
* @return {bool} true if should unpin, false otherwise
*/
shouldUnpin: function (currentScrollY, toleranceExceeded) {
var scrollingDown = currentScrollY > this.lastKnownScrollY,
pastOffset = currentScrollY >= this.offset;
return scrollingDown && pastOffset && toleranceExceeded;
},
/**
* determine if it is appropriate to pin
* @param {int} currentScrollY the current y scroll position
* @param {bool} toleranceExceeded has the tolerance been exceeded?
* @return {bool} true if should pin, false otherwise
*/
shouldPin: function (currentScrollY, toleranceExceeded) {
var scrollingUp = currentScrollY < this.lastKnownScrollY,
pastOffset = currentScrollY <= this.offset;
return (scrollingUp && toleranceExceeded) || pastOffset;
},
/**
* Handles updating the state of the widget
*/
update: function () {
var currentScrollY = this.getScrollY(),
scrollDirection = currentScrollY > this.lastKnownScrollY ? 'down' : 'up',
toleranceExceeded = this.toleranceExceeded(currentScrollY, scrollDirection);
if (currentScrollY < 0) { // Ignore bouncy scrolling in OSX
return;
}
if (this.shouldUnpin(currentScrollY, toleranceExceeded)) {
this.unpin();
}
else if (this.shouldPin(currentScrollY, toleranceExceeded)) {
this.pin();
}
this.lastKnownScrollY = currentScrollY;
}
};
/**
* Default options
* @type {Object}
*/
Headroom.options = {
tolerance: {
up: 0,
down: 0
},
offset: 0,
scroller: window,
classes: {
pinned: 'headroom--pinned',
unpinned: 'headroom--unpinned',
initial: 'headroom'
}
};
window.Headroom = Headroom;
}(window, document));
!function(window,document){"use strict";function Debouncer(callback){this.callback=callback,this.ticking=!1}function isDOMElement(obj){return obj&&"undefined"!=typeof window&&(obj===window||obj.nodeType)}function extend(object){if(arguments.length<=0)throw new Error("Missing arguments in extend function");var key,i,result=object||{};for(i=1;i<arguments.length;i++){var replacement=arguments[i]||{};for(key in replacement)"object"!=typeof result[key]||isDOMElement(result[key])?result[key]=result[key]||replacement[key]:result[key]=extend(result[key],replacement[key])}return result}function normalizeTolerance(t){return t===Object(t)?t:{down:t,up:t}}function addEventListenerWithOptions(target,type,handler,options){var optionsOrCapture=options;supportsCaptureOption||(optionsOrCapture=options.capture),target.addEventListener(type,handler,optionsOrCapture)}function removeEventListenerWithOptions(target,type,handler,options){var optionsOrCapture=options;supportsCaptureOption||(optionsOrCapture=options.capture),target.removeEventListener(type,handler,optionsOrCapture)}function Headroom(elems,options){options=extend(options,Headroom.options),this.lastKnownScrollY=0,this.elems=elems,this.debouncer=new Debouncer(this.update.bind(this)),this.tolerance=normalizeTolerance(options.tolerance),this.classes=options.classes,this.offset=options.offset,this.scroller=options.scroller,this.initialised=!1,this.onPin=options.onPin,this.onUnpin=options.onUnpin}var requestAnimationFrame=window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame;Debouncer.prototype={constructor:Debouncer,update:function(){this.callback&&this.callback(),this.ticking=!1},requestTick:function(){this.ticking||(requestAnimationFrame(this.rafCallback||(this.rafCallback=this.update.bind(this))),this.ticking=!0)},handleEvent:function(){this.requestTick()}};var supportsCaptureOption=!1;try{var opts=Object.defineProperty({},"capture",{get:function(){supportsCaptureOption=!0}});window.addEventListener("test",null,opts)}catch(e){}Headroom.prototype={constructor:Headroom,init:function(){for(var i=0,length=this.elems.length;i<length;i++)this.elems[i].classList.add(this.classes.initial);return this.attachEvent(),this},add:function(elem){elem.classList.add(this.classes.initial),this.elems.push(elem)},remove:function(elem){var classes=this.classes;elem.classList.remove(classes.unpinned,classes.pinned,classes.initial);var i=this.elems.indexOf(elem);i!=-1&&this.elems.splice(i,1)},destroy:function(){var classes=this.classes;this.initialised=!1;for(var i=0,length=this.elems.length;i<length;i++)this.elems[i].classList.remove(classes.unpinned,classes.pinned,classes.initial);removeEventListenerWithOptions(this.scroller,"scroll",this.debouncer,{capture:!1,passive:!0})},attachEvent:function(){this.initialised||(this.lastKnownScrollY=this.getScrollY(),this.initialised=!0,addEventListenerWithOptions(this.scroller,"scroll",this.debouncer,{capture:!1,passive:!0}),this.debouncer.handleEvent())},unpin:function(){for(var classes=this.classes,i=0,length=this.elems.length;i<length;i++){var classList=this.elems[i].classList;!classList.contains(classes.pinned)&&classList.contains(classes.unpinned)||(classList.add(classes.unpinned),classList.remove(classes.pinned),this.onUnpin&&this.onUnpin.call(this))}},pin:function(){for(var classes=this.classes,i=0,length=this.elems.length;i<length;i++){var classList=this.elems[i].classList;classList.contains(classes.unpinned)&&(classList.remove(classes.unpinned),classList.add(classes.pinned),this.onPin&&this.onPin.call(this))}},getScrollY:function(){var pageYOffset=this.scroller.pageYOffset;if(void 0!==pageYOffset)return pageYOffset;var scrollTop=this.scroller.scrollTop;return void 0!==scrollTop?scrollTop:(document.documentElement||document.body).scrollTop},toleranceExceeded:function(currentScrollY,direction){return Math.abs(currentScrollY-this.lastKnownScrollY)>=this.tolerance[direction]},shouldUnpin:function(currentScrollY,toleranceExceeded){var scrollingDown=currentScrollY>this.lastKnownScrollY,pastOffset=currentScrollY>=this.offset;return scrollingDown&&pastOffset&&toleranceExceeded},shouldPin:function(currentScrollY,toleranceExceeded){var scrollingUp=currentScrollY<this.lastKnownScrollY,pastOffset=currentScrollY<=this.offset;return scrollingUp&&toleranceExceeded||pastOffset},update:function(){var currentScrollY=this.getScrollY(),scrollDirection=currentScrollY>this.lastKnownScrollY?"down":"up",toleranceExceeded=this.toleranceExceeded(currentScrollY,scrollDirection);currentScrollY<0||(this.shouldUnpin(currentScrollY,toleranceExceeded)?this.unpin():this.shouldPin(currentScrollY,toleranceExceeded)&&this.pin(),this.lastKnownScrollY=currentScrollY)}},Headroom.options={tolerance:{up:0,down:0},offset:0,scroller:window,classes:{pinned:"headroom--pinned",unpinned:"headroom--unpinned",initial:"headroom"}},window.Headroom=Headroom}(window,document);

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/*!
* headroom.js v0.7.0 - Give your page some headroom. Hide your header until you need it
* Copyright (c) 2014 Nick Williams - http://wicky.nillia.ms/headroom.js
* License: MIT
*/
(function($) {
if(!$) {
return;
}
////////////
// Plugin //
////////////
$.fn.headroom = function(option) {
return this.each(function() {
var $this = $(this),
data = $this.data('headroom'),
options = typeof option === 'object' && option;
options = $.extend(true, {}, Headroom.options, options);
if (!data) {
data = new Headroom(this, options);
data.init();
$this.data('headroom', data);
}
if (typeof option === 'string') {
data[option]();
}
});
};
//////////////
// Data API //
//////////////
$('[data-headroom]').each(function() {
var $this = $(this);
$this.headroom($this.data());
});
}(window.Zepto || window.jQuery));
!function($){$&&($.fn.headroom=function(option){return this.each(function(){var $this=$(this),data=$this.data("headroom"),options="object"==typeof option&&option;options=$.extend(!0,{},Headroom.options,options),data||(data=new Headroom(this,options),data.init(),$this.data("headroom",data)),"string"==typeof option&&data[option]()})},$("[data-headroom]").each(function(){var $this=$(this);$this.headroom($this.data())}))}(window.Zepto||window.jQuery);

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{
"name": "headroom.js",
"version": "0.7.0",
"description": "Give your page some headroom. Hide your header until you need it",
"main": "dist/headroom.js",
"scripts": {
"test": "grunt test --verbose"
},
"repository": {
"type": "git",
"url": "https://github.com/WickyNilliams/headroom.js"
},
"keywords": [
"header",
"fixed",
"scroll",
"menu"
],
"author": "Nick Williams",
"homepage": "http://wicky.nillia.ms/headroom.js",
"license": "MIT",
"bugs": {
"url": "https://github.com/WickyNilliams/headroom.js/issues"
},
"scripts": {
"test": "grunt dist --verbose"
},
"devDependencies": {
"grunt": "~0.4.1",
"grunt-contrib-uglify": "~0.2.2",
"grunt-rigger": "~0.5.0",
"grunt-contrib-jshint": "~0.6.2",
"grunt-contrib-watch": "~0.5.1",
"karma": "~0.10.8",
"grunt-karma": "~0.6.2",
"karma-firefox-launcher": "~0.1.2",
"karma-safari-launcher": "~0.1.1",
"karma-opera-launcher": "~0.1.0"
}
}