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Comparing version 3.4.0 to 3.4.1

5

CHANGELOG.md

@@ -0,1 +1,6 @@

# [3.4.0](https://github.com/dollarshaveclub/stickybits/compare/3.3.7...3.4.0) (2018-06-28)
## [3.3.7](https://github.com/dollarshaveclub/stickybits/compare/3.3.5...3.3.7) (2018-06-19)

@@ -2,0 +7,0 @@

747

dist/jquery.stickybits.js
/**
stickybits - Stickybits is a lightweight alternative to `position: sticky` polyfills
@version v3.2.0
@version v3.4.1
@link https://github.com/dollarshaveclub/stickybits#readme

@@ -9,403 +9,448 @@ @author Jeff Wainwright <yowainwright@gmail.com> (https://jeffry.in)

(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory() :
typeof define === 'function' && define.amd ? define(factory) :
(factory());
typeof exports === 'object' && typeof module !== 'undefined' ? factory() :
typeof define === 'function' && define.amd ? define(factory) :
(factory());
}(this, (function () { 'use strict';
/*
STICKYBITS 💉
--------
> a lightweight alternative to `position: sticky` polyfills 🍬
--------
- each method is documented above it our view the readme
- Stickybits does not manage polymorphic functionality (position like properties)
* polymorphic functionality: (in the context of describing Stickybits)
means making things like `position: sticky` be loosely supported with position fixed.
It also means that features like `useStickyClasses` takes on styles like `position: fixed`.
--------
defaults 🔌
--------
- version = `package.json` version
- userAgent = viewer browser agent
- target = DOM element selector
- noStyles = boolean
- offset = number
- parentClass = 'string'
- scrollEl = window || DOM element selector
- stickyClass = 'string'
- stuckClass = 'string'
- useStickyClasses = boolean
- verticalPosition = 'string'
--------
props🔌
--------
- p = props {object}
--------
instance note
--------
- stickybits parent methods return this
- stickybits instance methods return an instance item
--------
nomenclature
--------
- target => el => e
- props => o || p
- instance => item => it
--------
methods
--------
- .definePosition = defines sticky or fixed
- .addInstance = an array of objects for each Stickybits Target
- .getClosestParent = gets the parent for non-window scroll
- .computeScrollOffsets = computes scroll position
- .toggleClasses = older browser toggler
- .manageState = manages sticky state
- .removeClass = older browser support class remover
- .removeInstance = removes an instance
- .cleanup = removes all Stickybits instances and cleans up dom from stickybits
*/
function Stickybits(target, obj) {
var o = typeof obj !== 'undefined' ? obj : {};
this.version = '"3.2.0"';
this.userAgent = window.navigator.userAgent || 'no `userAgent` provided by the browser';
this.props = {
customStickyChangeNumber: o.customStickyChangeNumber || null,
noStyles: o.noStyles || false,
stickyBitStickyOffset: o.stickyBitStickyOffset || 0,
parentClass: o.parentClass || 'js-stickybit-parent',
scrollEl: document.querySelector(o.scrollEl) || window,
stickyClass: o.stickyClass || 'js-is-sticky',
stuckClass: o.stuckClass || 'js-is-stuck',
stickyChangeClass: o.stickyChangeClass || 'js-is-sticky--change',
useStickyClasses: o.useStickyClasses || false,
verticalPosition: o.verticalPosition || 'top'
};
var p = this.props;
/*
define positionVal
----
- uses a computed (`.definePosition()`)
- defined the position
STICKYBITS 💉
--------
> a lightweight alternative to `position: sticky` polyfills 🍬
--------
- each method is documented above it our view the readme
- Stickybits does not manage polymorphic functionality (position like properties)
* polymorphic functionality: (in the context of describing Stickybits)
means making things like `position: sticky` be loosely supported with position fixed.
It also means that features like `useStickyClasses` takes on styles like `position: fixed`.
--------
defaults 🔌
--------
- version = `package.json` version
- userAgent = viewer browser agent
- target = DOM element selector
- noStyles = boolean
- offset = number
- parentClass = 'string'
- scrollEl = window || DOM element selector || DOM element
- stickyClass = 'string'
- stuckClass = 'string'
- useStickyClasses = boolean
- useFixed = boolean
- verticalPosition = 'string'
--------
props🔌
--------
- p = props {object}
--------
instance note
--------
- stickybits parent methods return this
- stickybits instance methods return an instance item
--------
nomenclature
--------
- target => el => e
- props => o || p
- instance => item => it
--------
methods
--------
- .definePosition = defines sticky or fixed
- .addInstance = an array of objects for each Stickybits Target
- .getClosestParent = gets the parent for non-window scroll
- .getOffsetTop = gets the element offsetTop from the top level of the DOM
- .computeScrollOffsets = computes scroll position
- .toggleClasses = older browser toggler
- .manageState = manages sticky state
- .removeClass = older browser support class remover
- .removeInstance = removes an instance
- .cleanup = removes all Stickybits instances and cleans up dom from stickybits
*/
var Stickybits =
/*#__PURE__*/
function () {
function Stickybits(target, obj) {
var o = typeof obj !== 'undefined' ? obj : {};
this.version = '3.4.1';
this.userAgent = window.navigator.userAgent || 'no `userAgent` provided by the browser';
this.props = {
customStickyChangeNumber: o.customStickyChangeNumber || null,
noStyles: o.noStyles || false,
stickyBitStickyOffset: o.stickyBitStickyOffset || 0,
parentClass: o.parentClass || 'js-stickybit-parent',
scrollEl: typeof o.scrollEl === 'string' ? document.querySelector(o.scrollEl) : o.scrollEl || window,
stickyClass: o.stickyClass || 'js-is-sticky',
stuckClass: o.stuckClass || 'js-is-stuck',
stickyChangeClass: o.stickyChangeClass || 'js-is-sticky--change',
useStickyClasses: o.useStickyClasses || false,
useFixed: o.useFixed || false,
verticalPosition: o.verticalPosition || 'top'
};
var p = this.props;
/*
define positionVal
----
- uses a computed (`.definePosition()`)
- defined the position
*/
p.positionVal = this.definePosition() || 'fixed';
var vp = p.verticalPosition;
var ns = p.noStyles;
var pv = p.positionVal;
this.els = typeof target === 'string' ? document.querySelectorAll(target) : target;
if (!('length' in this.els)) this.els = [this.els];
this.instances = [];
p.positionVal = this.definePosition() || 'fixed';
var vp = p.verticalPosition;
var ns = p.noStyles;
var pv = p.positionVal;
this.els = typeof target === 'string' ? document.querySelectorAll(target) : target;
if (!('length' in this.els)) this.els = [this.els];
this.instances = [];
for (var i = 0; i < this.els.length; i += 1) {
var el = this.els[i];
var styles = el.style; // set vertical position
for (var i = 0; i < this.els.length; i += 1) {
var el = this.els[i];
var styles = el.style; // set vertical position
styles[vp] = vp === 'top' && !ns ? p.stickyBitStickyOffset + "px" : '';
styles.position = pv !== 'fixed' ? pv : '';
styles[vp] = vp === 'top' && !ns ? p.stickyBitStickyOffset + "px" : '';
styles.position = pv !== 'fixed' ? pv : '';
if (pv === 'fixed' || p.useStickyClasses) {
var instance = this.addInstance(el, p); // instances are an array of objects
if (pv === 'fixed' || p.useStickyClasses) {
var instance = this.addInstance(el, p); // instances are an array of objects
this.instances.push(instance);
this.instances.push(instance);
}
}
return this;
}
}
/*
setStickyPosition ✔️
--------
— most basic thing stickybits does
=> checks to see if position sticky is supported
=> defined the position to be used
=> stickybits works accordingly
*/
return this;
}
/*
setStickyPosition ✔️
--------
— most basic thing stickybits does
=> checks to see if position sticky is supported
=> defined the position to be used
=> stickybits works accordingly
*/
var _proto = Stickybits.prototype;
Stickybits.prototype.definePosition = function () {
var prefix = ['', '-o-', '-webkit-', '-moz-', '-ms-'];
var test = document.head.style;
_proto.definePosition = function definePosition() {
var stickyProp;
for (var i = 0; i < prefix.length; i += 1) {
test.position = prefix[i] + "sticky";
}
if (this.props.useFixed) {
stickyProp = 'fixed';
} else {
var prefix = ['', '-o-', '-webkit-', '-moz-', '-ms-'];
var test = document.head.style;
var stickyProp = test.position ? test.position : 'fixed';
test.position = '';
return stickyProp;
};
/*
addInstance ✔️
--------
— manages instances of items
- takes in an el and props
- returns an item object
---
- target = el
- o = {object} = props
- scrollEl = 'string'
- verticalPosition = number
- off = boolean
- parentClass = 'string'
- stickyClass = 'string'
- stuckClass = 'string'
---
- defined later
- parent = dom element
- state = 'string'
- offset = number
- stickyStart = number
- stickyStop = number
- returns an instance object
*/
for (var i = 0; i < prefix.length; i += 1) {
test.position = prefix[i] + "sticky";
}
stickyProp = test.position ? test.position : 'fixed';
test.position = '';
}
Stickybits.prototype.addInstance = function addInstance(el, props) {
var _this = this;
return stickyProp;
};
/*
addInstance ✔️
--------
— manages instances of items
- takes in an el and props
- returns an item object
---
- target = el
- o = {object} = props
- scrollEl = 'string' | object
- verticalPosition = number
- off = boolean
- parentClass = 'string'
- stickyClass = 'string'
- stuckClass = 'string'
---
- defined later
- parent = dom element
- state = 'string'
- offset = number
- stickyStart = number
- stickyStop = number
- returns an instance object
*/
var item = {
el: el,
parent: el.parentNode,
props: props
};
this.isWin = this.props.scrollEl === window;
var se = this.isWin ? window : this.getClosestParent(item.el, item.props.scrollEl);
this.computeScrollOffsets(item);
item.parent.className += " " + props.parentClass;
item.state = 'default';
item.stateContainer = function () {
return _this.manageState(item);
};
_proto.addInstance = function addInstance(el, props) {
var _this = this;
se.addEventListener('scroll', item.stateContainer);
return item;
};
/*
--------
getParent 👨‍
--------
- a helper function that gets the target element's parent selected el
- only used for non `window` scroll elements
- supports older browsers
*/
var item = {
el: el,
parent: el.parentNode,
props: props
};
this.isWin = this.props.scrollEl === window;
var se = this.isWin ? window : this.getClosestParent(item.el, item.props.scrollEl);
this.computeScrollOffsets(item);
item.parent.className += " " + props.parentClass;
item.state = 'default';
item.stateContainer = function () {
return _this.manageState(item);
};
Stickybits.prototype.getClosestParent = function (el, match) {
// p = parent element
var p = match;
var e = el;
if (e.parentElement === p) return p; // traverse up the dom tree until we get to the parent
se.addEventListener('scroll', item.stateContainer);
return item;
};
/*
--------
getParent 👨‍
--------
- a helper function that gets the target element's parent selected el
- only used for non `window` scroll elements
- supports older browsers
*/
while (e.parentElement !== p) {
e = e.parentElement;
} // return parent element
_proto.getClosestParent = function getClosestParent(el, match) {
// p = parent element
var p = match;
var e = el;
if (e.parentElement === p) return p; // traverse up the dom tree until we get to the parent
return p;
};
/*
computeScrollOffsets 📊
---
computeScrollOffsets for Stickybits
- defines
- offset
- start
- stop
*/
while (e.parentElement !== p) {
e = e.parentElement;
} // return parent element
Stickybits.prototype.computeScrollOffsets = function computeScrollOffsets(item) {
var it = item;
var p = it.props;
var el = it.el;
var parent = it.parent;
var isCustom = !this.isWin && p.positionVal === 'fixed';
var isBottom = p.verticalPosition !== 'bottom';
var scrollElOffset = isCustom ? p.scrollEl.getBoundingClientRect().top : 0;
var stickyStart = isCustom ? parent.getBoundingClientRect().top - scrollElOffset : parent.getBoundingClientRect().top;
var stickyChangeOffset = p.customStickyChangeNumber !== null ? p.customStickyChangeNumber : el.offsetHeight;
it.offset = scrollElOffset + p.stickyBitStickyOffset;
it.stickyStart = isBottom ? stickyStart - it.offset : 0;
it.stickyChange = it.stickyStart + stickyChangeOffset;
it.stickyStop = isBottom ? stickyStart + parent.offsetHeight - (it.el.offsetHeight + it.offset) : stickyStart + parent.offsetHeight;
return it;
};
/*
toggleClasses ⚖️
---
toggles classes (for older browser support)
r = removed class
a = added class
*/
return p;
};
/*
--------
getOffsetTop
--------
- a helper function that gets the offsetTop of the element
- from the top level of the DOM
*/
Stickybits.prototype.toggleClasses = function (el, r, a) {
var e = el;
var cArray = e.className.split(' ');
if (a && cArray.indexOf(a) === -1) cArray.push(a);
var rItem = cArray.indexOf(r);
if (rItem !== -1) cArray.splice(rItem, 1);
e.className = cArray.join(' ');
};
/*
manageState 📝
---
- defines the state
- normal
- sticky
- stuck
*/
_proto.getOffsetTop = function getOffsetTop(el) {
var offsetTop = 0;
do {
offsetTop = el.offsetTop + offsetTop;
} while (el = el.offsetParent);
Stickybits.prototype.manageState = function manageState(item) {
// cache object
var it = item;
var e = it.el;
var p = it.props;
var state = it.state;
var start = it.stickyStart;
var change = it.stickyChange;
var stop = it.stickyStop;
var stl = e.style; // cache props
return offsetTop;
};
/*
computeScrollOffsets 📊
---
computeScrollOffsets for Stickybits
- defines
- offset
- start
- stop
*/
var ns = p.noStyles;
var pv = p.positionVal;
var se = p.scrollEl;
var sticky = p.stickyClass;
var stickyChange = p.stickyChangeClass;
var stuck = p.stuckClass;
var vp = p.verticalPosition;
/*
requestAnimationFrame
---
- use rAF
- or stub rAF
*/
var rAFStub = function rAFDummy(f) {
f();
};
_proto.computeScrollOffsets = function computeScrollOffsets(item) {
var it = item;
var p = it.props;
var el = it.el;
var parent = it.parent;
var isCustom = !this.isWin && p.positionVal === 'fixed';
var isBottom = p.verticalPosition !== 'bottom';
var scrollElOffset = isCustom ? this.getOffsetTop(p.scrollEl) : 0;
var stickyStart = isCustom ? this.getOffsetTop(parent) - scrollElOffset : this.getOffsetTop(parent);
var stickyChangeOffset = p.customStickyChangeNumber !== null ? p.customStickyChangeNumber : el.offsetHeight;
it.offset = scrollElOffset + p.stickyBitStickyOffset;
it.stickyStart = isBottom ? stickyStart - it.offset : 0;
it.stickyChange = it.stickyStart + stickyChangeOffset;
it.stickyStop = isBottom ? stickyStart + parent.offsetHeight - (it.el.offsetHeight + it.offset) : stickyStart + parent.offsetHeight;
return it;
};
/*
toggleClasses ⚖️
---
toggles classes (for older browser support)
r = removed class
a = added class
*/
var rAF = !this.isWin ? rAFStub : window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame || rAFStub;
/*
define scroll vars
---
- scroll
- notSticky
- isSticky
- isStuck
*/
var tC = this.toggleClasses;
var scroll = this.isWin || se.getBoundingClientRect().top ? window.scrollY || window.pageYOffset : se.scrollTop;
var notSticky = scroll > start && scroll < stop && (state === 'default' || state === 'stuck');
var isSticky = scroll <= start && state === 'sticky';
var isStuck = scroll >= stop && state === 'sticky';
/*
Unnamed arrow functions within this block
---
- help wanted or discussion
- view test.stickybits.js
- `stickybits .manageState `position: fixed` interface` for more awareness 👀
*/
_proto.toggleClasses = function toggleClasses(el, r, a) {
var e = el;
var cArray = e.className.split(' ');
if (a && cArray.indexOf(a) === -1) cArray.push(a);
var rItem = cArray.indexOf(r);
if (rItem !== -1) cArray.splice(rItem, 1);
e.className = cArray.join(' ');
};
/*
manageState 📝
---
- defines the state
- normal
- sticky
- stuck
*/
if (notSticky) {
it.state = 'sticky';
rAF(function () {
tC(e, stuck, sticky);
stl.position = pv;
if (ns) return;
stl.bottom = '';
stl[vp] = p.stickyBitStickyOffset + "px";
});
} else if (isSticky) {
it.state = 'default';
rAF(function () {
tC(e, sticky);
if (pv === 'fixed') stl.position = '';
});
} else if (isStuck) {
it.state = 'stuck';
rAF(function () {
tC(e, sticky, stuck);
if (pv !== 'fixed' || ns) return;
stl.top = '';
stl.bottom = '0';
stl.position = 'absolute';
});
}
var isStickyChange = scroll >= change && scroll <= stop;
var isNotStickyChange = scroll < change || scroll > stop;
var stub = 'stub'; // a stub css class to remove
_proto.manageState = function manageState(item) {
// cache object
var it = item;
var e = it.el;
var p = it.props;
var state = it.state;
var start = it.stickyStart;
var change = it.stickyChange;
var stop = it.stickyStop;
var stl = e.style; // cache props
if (isNotStickyChange) {
rAF(function () {
tC(e, stickyChange);
});
} else if (isStickyChange) {
rAF(function () {
tC(e, stub, stickyChange);
});
}
var ns = p.noStyles;
var pv = p.positionVal;
var se = p.scrollEl;
var sticky = p.stickyClass;
var stickyChange = p.stickyChangeClass;
var stuck = p.stuckClass;
var vp = p.verticalPosition;
/*
requestAnimationFrame
---
- use rAF
- or stub rAF
*/
return it;
};
/*
removes an instance 👋
--------
- cleanup instance
*/
var rAFStub = function rAFDummy(f) {
f();
};
var rAF = !this.isWin ? rAFStub : window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame || rAFStub;
/*
define scroll vars
---
- scroll
- notSticky
- isSticky
- isStuck
*/
Stickybits.prototype.removeInstance = function removeInstance(instance) {
var e = instance.el;
var p = instance.props;
var tC = this.toggleClasses;
e.style.position = '';
e.style[p.verticalPosition] = '';
tC(e, p.stickyClass);
tC(e, p.stuckClass);
tC(e.parentNode, p.parentClass);
};
/*
cleanup 🛁
--------
- cleans up each instance
- clears instance
*/
var tC = this.toggleClasses;
var scroll = this.isWin ? window.scrollY || window.pageYOffset : se.scrollTop;
var notSticky = scroll > start && scroll < stop && (state === 'default' || state === 'stuck');
var isSticky = scroll <= start && state === 'sticky';
var isStuck = scroll >= stop && state === 'sticky';
/*
Unnamed arrow functions within this block
---
- help wanted or discussion
- view test.stickybits.js
- `stickybits .manageState `position: fixed` interface` for more awareness 👀
*/
if (notSticky) {
it.state = 'sticky';
rAF(function () {
tC(e, stuck, sticky);
stl.position = pv;
if (ns) return;
stl.bottom = '';
stl[vp] = p.stickyBitStickyOffset + "px";
});
} else if (isSticky) {
it.state = 'default';
rAF(function () {
tC(e, sticky);
if (pv === 'fixed') stl.position = '';
});
} else if (isStuck) {
it.state = 'stuck';
rAF(function () {
tC(e, sticky, stuck);
if (pv !== 'fixed' || ns) return;
stl.top = '';
stl.bottom = '0';
stl.position = 'absolute';
});
}
Stickybits.prototype.cleanup = function cleanup() {
for (var i = 0; i < this.instances.length; i += 1) {
var instance = this.instances[i];
instance.props.scrollEl.removeEventListener('scroll', instance.stateContainer);
this.removeInstance(instance);
}
var isStickyChange = scroll >= change && scroll <= stop;
var isNotStickyChange = scroll < change || scroll > stop;
var stub = 'stub'; // a stub css class to remove
this.manageState = false;
this.instances = [];
};
/*
export
--------
exports StickBits to be used 🏁
*/
if (isNotStickyChange) {
rAF(function () {
tC(e, stickyChange);
});
} else if (isStickyChange) {
rAF(function () {
tC(e, stub, stickyChange);
});
}
return it;
};
function stickybits(target, o) {
return new Stickybits(target, o);
}
_proto.update = function update() {
for (var i = 0; i < this.instances.length; i += 1) {
var instance = this.instances[i];
this.computeScrollOffsets(instance);
}
if (typeof window !== 'undefined') {
var plugin = window.$ || window.jQuery || window.Zepto;
return this;
};
/*
removes an instance 👋
--------
- cleanup instance
*/
if (plugin) {
plugin.fn.stickybits = function stickybitsPlugin(opts) {
stickybits(this, opts);
_proto.removeInstance = function removeInstance(instance) {
var e = instance.el;
var p = instance.props;
var tC = this.toggleClasses;
e.style.position = '';
e.style[p.verticalPosition] = '';
tC(e, p.stickyClass);
tC(e, p.stuckClass);
tC(e.parentNode, p.parentClass);
};
/*
cleanup 🛁
--------
- cleans up each instance
- clears instance
*/
_proto.cleanup = function cleanup() {
for (var i = 0; i < this.instances.length; i += 1) {
var instance = this.instances[i];
instance.props.scrollEl.removeEventListener('scroll', instance.stateContainer);
this.removeInstance(instance);
}
this.manageState = false;
this.instances = [];
};
return Stickybits;
}();
/*
export
--------
exports StickBits to be used 🏁
*/
function stickybits(target, o) {
return new Stickybits(target, o);
}
}
if (typeof window !== 'undefined') {
var plugin = window.$ || window.jQuery || window.Zepto;
if (plugin) {
plugin.fn.stickybits = function stickybitsPlugin(opts) {
return stickybits(this, opts);
};
}
}
})));

4

dist/jquery.stickybits.min.js
/**
stickybits - Stickybits is a lightweight alternative to `position: sticky` polyfills
@version v3.4.0
@version v3.4.1
@link https://github.com/dollarshaveclub/stickybits#readme

@@ -8,2 +8,2 @@ @author Jeff Wainwright <yowainwright@gmail.com> (https://jeffry.in)

**/
!function(t,s){"object"==typeof exports&&"undefined"!=typeof module?s():"function"==typeof define&&define.amd?define(s):s()}(0,function(){"use strict";var s=function(){function t(t,s){var e=void 0!==s?s:{};this.version="3.4.0",this.userAgent=window.navigator.userAgent||"no `userAgent` provided by the browser",this.props={customStickyChangeNumber:e.customStickyChangeNumber||null,noStyles:e.noStyles||!1,stickyBitStickyOffset:e.stickyBitStickyOffset||0,parentClass:e.parentClass||"js-stickybit-parent",scrollEl:"string"==typeof e.scrollEl?document.querySelector(e.scrollEl):e.scrollEl||window,stickyClass:e.stickyClass||"js-is-sticky",stuckClass:e.stuckClass||"js-is-stuck",stickyChangeClass:e.stickyChangeClass||"js-is-sticky--change",useStickyClasses:e.useStickyClasses||!1,useFixed:e.useFixed||!1,verticalPosition:e.verticalPosition||"top"};var i=this.props;i.positionVal=this.definePosition()||"fixed";var n=i.verticalPosition,o=i.noStyles,a=i.positionVal;this.els="string"==typeof t?document.querySelectorAll(t):t,"length"in this.els||(this.els=[this.els]),this.instances=[];for(var r=0;r<this.els.length;r+=1){var l=this.els[r],c=l.style;if(c[n]="top"!==n||o?"":i.stickyBitStickyOffset+"px",c.position="fixed"!==a?a:"","fixed"===a||i.useStickyClasses){var f=this.addInstance(l,i);this.instances.push(f)}}return this}var s=t.prototype;return s.definePosition=function(){var t;if(this.props.useFixed)t="fixed";else{for(var s=["","-o-","-webkit-","-moz-","-ms-"],e=document.head.style,i=0;i<s.length;i+=1)e.position=s[i]+"sticky";t=e.position?e.position:"fixed",e.position=""}return t},s.addInstance=function(t,s){var e=this,i={el:t,parent:t.parentNode,props:s};this.isWin=this.props.scrollEl===window;var n=this.isWin?window:this.getClosestParent(i.el,i.props.scrollEl);return this.computeScrollOffsets(i),i.parent.className+=" "+s.parentClass,i.state="default",i.stateContainer=function(){return e.manageState(i)},n.addEventListener("scroll",i.stateContainer),i},s.getClosestParent=function(t,s){var e=s,i=t;if(i.parentElement===e)return e;for(;i.parentElement!==e;)i=i.parentElement;return e},s.getOffsetTop=function(t){for(var s=0;s=t.offsetTop+s,t=t.offsetParent;);return s},s.computeScrollOffsets=function(t){var s=t,e=s.props,i=s.el,n=s.parent,o=!this.isWin&&"fixed"===e.positionVal,a="bottom"!==e.verticalPosition,r=o?this.getOffsetTop(e.scrollEl):0,l=o?this.getOffsetTop(n)-r:this.getOffsetTop(n),c=null!==e.customStickyChangeNumber?e.customStickyChangeNumber:i.offsetHeight;return s.offset=r+e.stickyBitStickyOffset,s.stickyStart=a?l-s.offset:0,s.stickyChange=s.stickyStart+c,s.stickyStop=a?l+n.offsetHeight-(s.el.offsetHeight+s.offset):l+n.offsetHeight,s},s.toggleClasses=function(t,s,e){var i=t,n=i.className.split(" ");e&&-1===n.indexOf(e)&&n.push(e);var o=n.indexOf(s);-1!==o&&n.splice(o,1),i.className=n.join(" ")},s.manageState=function(t){var s=t,e=s.el,i=s.props,n=s.state,o=s.stickyStart,a=s.stickyChange,r=s.stickyStop,l=e.style,c=i.noStyles,f=i.positionVal,u=i.scrollEl,p=i.stickyClass,h=i.stickyChangeClass,y=i.stuckClass,d=i.verticalPosition,k=function(t){t()},m=this.isWin&&(window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame)||k,g=this.toggleClasses,v=this.isWin?window.scrollY||window.pageYOffset:u.scrollTop,C=v<=o&&"sticky"===n,w=r<=v&&"sticky"===n;o<v&&v<r&&("default"===n||"stuck"===n)?(s.state="sticky",m(function(){g(e,y,p),l.position=f,c||(l.bottom="",l[d]=i.stickyBitStickyOffset+"px")})):C?(s.state="default",m(function(){g(e,p),"fixed"===f&&(l.position="")})):w&&(s.state="stuck",m(function(){g(e,p,y),"fixed"!==f||c||(l.top="",l.bottom="0",l.position="absolute")}));var S=a<=v&&v<=r;return v<a||r<v?m(function(){g(e,h)}):S&&m(function(){g(e,"stub",h)}),s},s.update=function(){for(var t=0;t<this.instances.length;t+=1){var s=this.instances[t];this.computeScrollOffsets(s)}return this},s.removeInstance=function(t){var s=t.el,e=t.props,i=this.toggleClasses;s.style.position="",s.style[e.verticalPosition]="",i(s,e.stickyClass),i(s,e.stuckClass),i(s.parentNode,e.parentClass)},s.cleanup=function(){for(var t=0;t<this.instances.length;t+=1){var s=this.instances[t];s.props.scrollEl.removeEventListener("scroll",s.stateContainer),this.removeInstance(s)}this.manageState=!1,this.instances=[]},t}();if("undefined"!=typeof window){var t=window.$||window.jQuery||window.Zepto;t&&(t.fn.stickybits=function(t){return new s(this,t)})}});
!function(t,s){"object"==typeof exports&&"undefined"!=typeof module?s():"function"==typeof define&&define.amd?define(s):s()}(0,function(){"use strict";var s=function(){function t(t,s){var e=void 0!==s?s:{};this.version="3.4.1",this.userAgent=window.navigator.userAgent||"no `userAgent` provided by the browser",this.props={customStickyChangeNumber:e.customStickyChangeNumber||null,noStyles:e.noStyles||!1,stickyBitStickyOffset:e.stickyBitStickyOffset||0,parentClass:e.parentClass||"js-stickybit-parent",scrollEl:"string"==typeof e.scrollEl?document.querySelector(e.scrollEl):e.scrollEl||window,stickyClass:e.stickyClass||"js-is-sticky",stuckClass:e.stuckClass||"js-is-stuck",stickyChangeClass:e.stickyChangeClass||"js-is-sticky--change",useStickyClasses:e.useStickyClasses||!1,useFixed:e.useFixed||!1,verticalPosition:e.verticalPosition||"top"};var i=this.props;i.positionVal=this.definePosition()||"fixed";var n=i.verticalPosition,o=i.noStyles,a=i.positionVal;this.els="string"==typeof t?document.querySelectorAll(t):t,"length"in this.els||(this.els=[this.els]),this.instances=[];for(var r=0;r<this.els.length;r+=1){var l=this.els[r],c=l.style;if(c[n]="top"!==n||o?"":i.stickyBitStickyOffset+"px",c.position="fixed"!==a?a:"","fixed"===a||i.useStickyClasses){var f=this.addInstance(l,i);this.instances.push(f)}}return this}var s=t.prototype;return s.definePosition=function(){var t;if(this.props.useFixed)t="fixed";else{for(var s=["","-o-","-webkit-","-moz-","-ms-"],e=document.head.style,i=0;i<s.length;i+=1)e.position=s[i]+"sticky";t=e.position?e.position:"fixed",e.position=""}return t},s.addInstance=function(t,s){var e=this,i={el:t,parent:t.parentNode,props:s};this.isWin=this.props.scrollEl===window;var n=this.isWin?window:this.getClosestParent(i.el,i.props.scrollEl);return this.computeScrollOffsets(i),i.parent.className+=" "+s.parentClass,i.state="default",i.stateContainer=function(){return e.manageState(i)},n.addEventListener("scroll",i.stateContainer),i},s.getClosestParent=function(t,s){var e=s,i=t;if(i.parentElement===e)return e;for(;i.parentElement!==e;)i=i.parentElement;return e},s.getOffsetTop=function(t){for(var s=0;s=t.offsetTop+s,t=t.offsetParent;);return s},s.computeScrollOffsets=function(t){var s=t,e=s.props,i=s.el,n=s.parent,o=!this.isWin&&"fixed"===e.positionVal,a="bottom"!==e.verticalPosition,r=o?this.getOffsetTop(e.scrollEl):0,l=o?this.getOffsetTop(n)-r:this.getOffsetTop(n),c=null!==e.customStickyChangeNumber?e.customStickyChangeNumber:i.offsetHeight;return s.offset=r+e.stickyBitStickyOffset,s.stickyStart=a?l-s.offset:0,s.stickyChange=s.stickyStart+c,s.stickyStop=a?l+n.offsetHeight-(s.el.offsetHeight+s.offset):l+n.offsetHeight,s},s.toggleClasses=function(t,s,e){var i=t,n=i.className.split(" ");e&&-1===n.indexOf(e)&&n.push(e);var o=n.indexOf(s);-1!==o&&n.splice(o,1),i.className=n.join(" ")},s.manageState=function(t){var s=t,e=s.el,i=s.props,n=s.state,o=s.stickyStart,a=s.stickyChange,r=s.stickyStop,l=e.style,c=i.noStyles,f=i.positionVal,u=i.scrollEl,p=i.stickyClass,h=i.stickyChangeClass,y=i.stuckClass,d=i.verticalPosition,k=function(t){t()},m=this.isWin&&(window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame)||k,g=this.toggleClasses,v=this.isWin?window.scrollY||window.pageYOffset:u.scrollTop,C=v<=o&&"sticky"===n,w=r<=v&&"sticky"===n;o<v&&v<r&&("default"===n||"stuck"===n)?(s.state="sticky",m(function(){g(e,y,p),l.position=f,c||(l.bottom="",l[d]=i.stickyBitStickyOffset+"px")})):C?(s.state="default",m(function(){g(e,p),"fixed"===f&&(l.position="")})):w&&(s.state="stuck",m(function(){g(e,p,y),"fixed"!==f||c||(l.top="",l.bottom="0",l.position="absolute")}));var S=a<=v&&v<=r;return v<a||r<v?m(function(){g(e,h)}):S&&m(function(){g(e,"stub",h)}),s},s.update=function(){for(var t=0;t<this.instances.length;t+=1){var s=this.instances[t];this.computeScrollOffsets(s)}return this},s.removeInstance=function(t){var s=t.el,e=t.props,i=this.toggleClasses;s.style.position="",s.style[e.verticalPosition]="",i(s,e.stickyClass),i(s,e.stuckClass),i(s.parentNode,e.parentClass)},s.cleanup=function(){for(var t=0;t<this.instances.length;t+=1){var s=this.instances[t];s.props.scrollEl.removeEventListener("scroll",s.stateContainer),this.removeInstance(s)}this.manageState=!1,this.instances=[]},t}();if("undefined"!=typeof window){var t=window.$||window.jQuery||window.Zepto;t&&(t.fn.stickybits=function(t){return new s(this,t)})}});

4

dist/stickybits.es.js
/**
stickybits - Stickybits is a lightweight alternative to `position: sticky` polyfills
@version v3.4.0
@version v3.4.1
@link https://github.com/dollarshaveclub/stickybits#readme

@@ -67,3 +67,3 @@ @author Jeff Wainwright <yowainwright@gmail.com> (https://jeffry.in)

var o = typeof obj !== 'undefined' ? obj : {};
this.version = '3.4.0';
this.version = '3.4.1';
this.userAgent = window.navigator.userAgent || 'no `userAgent` provided by the browser';

@@ -70,0 +70,0 @@ this.props = {

4

dist/stickybits.js
/**
stickybits - Stickybits is a lightweight alternative to `position: sticky` polyfills
@version v3.4.0
@version v3.4.1
@link https://github.com/dollarshaveclub/stickybits#readme

@@ -73,3 +73,3 @@ @author Jeff Wainwright <yowainwright@gmail.com> (https://jeffry.in)

var o = typeof obj !== 'undefined' ? obj : {};
this.version = '3.4.0';
this.version = '3.4.1';
this.userAgent = window.navigator.userAgent || 'no `userAgent` provided by the browser';

@@ -76,0 +76,0 @@ this.props = {

4

dist/stickybits.min.js
/**
stickybits - Stickybits is a lightweight alternative to `position: sticky` polyfills
@version v3.4.0
@version v3.4.1
@link https://github.com/dollarshaveclub/stickybits#readme

@@ -8,2 +8,2 @@ @author Jeff Wainwright <yowainwright@gmail.com> (https://jeffry.in)

**/
!function(t,s){"object"==typeof exports&&"undefined"!=typeof module?module.exports=s():"function"==typeof define&&define.amd?define(s):t.stickybits=s()}(this,function(){"use strict";var e=function(){function t(t,s){var e=void 0!==s?s:{};this.version="3.4.0",this.userAgent=window.navigator.userAgent||"no `userAgent` provided by the browser",this.props={customStickyChangeNumber:e.customStickyChangeNumber||null,noStyles:e.noStyles||!1,stickyBitStickyOffset:e.stickyBitStickyOffset||0,parentClass:e.parentClass||"js-stickybit-parent",scrollEl:"string"==typeof e.scrollEl?document.querySelector(e.scrollEl):e.scrollEl||window,stickyClass:e.stickyClass||"js-is-sticky",stuckClass:e.stuckClass||"js-is-stuck",stickyChangeClass:e.stickyChangeClass||"js-is-sticky--change",useStickyClasses:e.useStickyClasses||!1,useFixed:e.useFixed||!1,verticalPosition:e.verticalPosition||"top"};var i=this.props;i.positionVal=this.definePosition()||"fixed";var n=i.verticalPosition,o=i.noStyles,a=i.positionVal;this.els="string"==typeof t?document.querySelectorAll(t):t,"length"in this.els||(this.els=[this.els]),this.instances=[];for(var r=0;r<this.els.length;r+=1){var l=this.els[r],c=l.style;if(c[n]="top"!==n||o?"":i.stickyBitStickyOffset+"px",c.position="fixed"!==a?a:"","fixed"===a||i.useStickyClasses){var f=this.addInstance(l,i);this.instances.push(f)}}return this}var s=t.prototype;return s.definePosition=function(){var t;if(this.props.useFixed)t="fixed";else{for(var s=["","-o-","-webkit-","-moz-","-ms-"],e=document.head.style,i=0;i<s.length;i+=1)e.position=s[i]+"sticky";t=e.position?e.position:"fixed",e.position=""}return t},s.addInstance=function(t,s){var e=this,i={el:t,parent:t.parentNode,props:s};this.isWin=this.props.scrollEl===window;var n=this.isWin?window:this.getClosestParent(i.el,i.props.scrollEl);return this.computeScrollOffsets(i),i.parent.className+=" "+s.parentClass,i.state="default",i.stateContainer=function(){return e.manageState(i)},n.addEventListener("scroll",i.stateContainer),i},s.getClosestParent=function(t,s){var e=s,i=t;if(i.parentElement===e)return e;for(;i.parentElement!==e;)i=i.parentElement;return e},s.getOffsetTop=function(t){for(var s=0;s=t.offsetTop+s,t=t.offsetParent;);return s},s.computeScrollOffsets=function(t){var s=t,e=s.props,i=s.el,n=s.parent,o=!this.isWin&&"fixed"===e.positionVal,a="bottom"!==e.verticalPosition,r=o?this.getOffsetTop(e.scrollEl):0,l=o?this.getOffsetTop(n)-r:this.getOffsetTop(n),c=null!==e.customStickyChangeNumber?e.customStickyChangeNumber:i.offsetHeight;return s.offset=r+e.stickyBitStickyOffset,s.stickyStart=a?l-s.offset:0,s.stickyChange=s.stickyStart+c,s.stickyStop=a?l+n.offsetHeight-(s.el.offsetHeight+s.offset):l+n.offsetHeight,s},s.toggleClasses=function(t,s,e){var i=t,n=i.className.split(" ");e&&-1===n.indexOf(e)&&n.push(e);var o=n.indexOf(s);-1!==o&&n.splice(o,1),i.className=n.join(" ")},s.manageState=function(t){var s=t,e=s.el,i=s.props,n=s.state,o=s.stickyStart,a=s.stickyChange,r=s.stickyStop,l=e.style,c=i.noStyles,f=i.positionVal,u=i.scrollEl,p=i.stickyClass,h=i.stickyChangeClass,y=i.stuckClass,d=i.verticalPosition,k=function(t){t()},m=this.isWin&&(window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame)||k,g=this.toggleClasses,v=this.isWin?window.scrollY||window.pageYOffset:u.scrollTop,C=v<=o&&"sticky"===n,S=r<=v&&"sticky"===n;o<v&&v<r&&("default"===n||"stuck"===n)?(s.state="sticky",m(function(){g(e,y,p),l.position=f,c||(l.bottom="",l[d]=i.stickyBitStickyOffset+"px")})):C?(s.state="default",m(function(){g(e,p),"fixed"===f&&(l.position="")})):S&&(s.state="stuck",m(function(){g(e,p,y),"fixed"!==f||c||(l.top="",l.bottom="0",l.position="absolute")}));var w=a<=v&&v<=r;return v<a||r<v?m(function(){g(e,h)}):w&&m(function(){g(e,"stub",h)}),s},s.update=function(){for(var t=0;t<this.instances.length;t+=1){var s=this.instances[t];this.computeScrollOffsets(s)}return this},s.removeInstance=function(t){var s=t.el,e=t.props,i=this.toggleClasses;s.style.position="",s.style[e.verticalPosition]="",i(s,e.stickyClass),i(s,e.stuckClass),i(s.parentNode,e.parentClass)},s.cleanup=function(){for(var t=0;t<this.instances.length;t+=1){var s=this.instances[t];s.props.scrollEl.removeEventListener("scroll",s.stateContainer),this.removeInstance(s)}this.manageState=!1,this.instances=[]},t}();return function(t,s){return new e(t,s)}});
!function(t,s){"object"==typeof exports&&"undefined"!=typeof module?module.exports=s():"function"==typeof define&&define.amd?define(s):t.stickybits=s()}(this,function(){"use strict";var e=function(){function t(t,s){var e=void 0!==s?s:{};this.version="3.4.1",this.userAgent=window.navigator.userAgent||"no `userAgent` provided by the browser",this.props={customStickyChangeNumber:e.customStickyChangeNumber||null,noStyles:e.noStyles||!1,stickyBitStickyOffset:e.stickyBitStickyOffset||0,parentClass:e.parentClass||"js-stickybit-parent",scrollEl:"string"==typeof e.scrollEl?document.querySelector(e.scrollEl):e.scrollEl||window,stickyClass:e.stickyClass||"js-is-sticky",stuckClass:e.stuckClass||"js-is-stuck",stickyChangeClass:e.stickyChangeClass||"js-is-sticky--change",useStickyClasses:e.useStickyClasses||!1,useFixed:e.useFixed||!1,verticalPosition:e.verticalPosition||"top"};var i=this.props;i.positionVal=this.definePosition()||"fixed";var n=i.verticalPosition,o=i.noStyles,a=i.positionVal;this.els="string"==typeof t?document.querySelectorAll(t):t,"length"in this.els||(this.els=[this.els]),this.instances=[];for(var r=0;r<this.els.length;r+=1){var l=this.els[r],c=l.style;if(c[n]="top"!==n||o?"":i.stickyBitStickyOffset+"px",c.position="fixed"!==a?a:"","fixed"===a||i.useStickyClasses){var f=this.addInstance(l,i);this.instances.push(f)}}return this}var s=t.prototype;return s.definePosition=function(){var t;if(this.props.useFixed)t="fixed";else{for(var s=["","-o-","-webkit-","-moz-","-ms-"],e=document.head.style,i=0;i<s.length;i+=1)e.position=s[i]+"sticky";t=e.position?e.position:"fixed",e.position=""}return t},s.addInstance=function(t,s){var e=this,i={el:t,parent:t.parentNode,props:s};this.isWin=this.props.scrollEl===window;var n=this.isWin?window:this.getClosestParent(i.el,i.props.scrollEl);return this.computeScrollOffsets(i),i.parent.className+=" "+s.parentClass,i.state="default",i.stateContainer=function(){return e.manageState(i)},n.addEventListener("scroll",i.stateContainer),i},s.getClosestParent=function(t,s){var e=s,i=t;if(i.parentElement===e)return e;for(;i.parentElement!==e;)i=i.parentElement;return e},s.getOffsetTop=function(t){for(var s=0;s=t.offsetTop+s,t=t.offsetParent;);return s},s.computeScrollOffsets=function(t){var s=t,e=s.props,i=s.el,n=s.parent,o=!this.isWin&&"fixed"===e.positionVal,a="bottom"!==e.verticalPosition,r=o?this.getOffsetTop(e.scrollEl):0,l=o?this.getOffsetTop(n)-r:this.getOffsetTop(n),c=null!==e.customStickyChangeNumber?e.customStickyChangeNumber:i.offsetHeight;return s.offset=r+e.stickyBitStickyOffset,s.stickyStart=a?l-s.offset:0,s.stickyChange=s.stickyStart+c,s.stickyStop=a?l+n.offsetHeight-(s.el.offsetHeight+s.offset):l+n.offsetHeight,s},s.toggleClasses=function(t,s,e){var i=t,n=i.className.split(" ");e&&-1===n.indexOf(e)&&n.push(e);var o=n.indexOf(s);-1!==o&&n.splice(o,1),i.className=n.join(" ")},s.manageState=function(t){var s=t,e=s.el,i=s.props,n=s.state,o=s.stickyStart,a=s.stickyChange,r=s.stickyStop,l=e.style,c=i.noStyles,f=i.positionVal,u=i.scrollEl,p=i.stickyClass,h=i.stickyChangeClass,y=i.stuckClass,d=i.verticalPosition,k=function(t){t()},m=this.isWin&&(window.requestAnimationFrame||window.mozRequestAnimationFrame||window.webkitRequestAnimationFrame||window.msRequestAnimationFrame)||k,g=this.toggleClasses,v=this.isWin?window.scrollY||window.pageYOffset:u.scrollTop,C=v<=o&&"sticky"===n,S=r<=v&&"sticky"===n;o<v&&v<r&&("default"===n||"stuck"===n)?(s.state="sticky",m(function(){g(e,y,p),l.position=f,c||(l.bottom="",l[d]=i.stickyBitStickyOffset+"px")})):C?(s.state="default",m(function(){g(e,p),"fixed"===f&&(l.position="")})):S&&(s.state="stuck",m(function(){g(e,p,y),"fixed"!==f||c||(l.top="",l.bottom="0",l.position="absolute")}));var w=a<=v&&v<=r;return v<a||r<v?m(function(){g(e,h)}):w&&m(function(){g(e,"stub",h)}),s},s.update=function(){for(var t=0;t<this.instances.length;t+=1){var s=this.instances[t];this.computeScrollOffsets(s)}return this},s.removeInstance=function(t){var s=t.el,e=t.props,i=this.toggleClasses;s.style.position="",s.style[e.verticalPosition]="",i(s,e.stickyClass),i(s,e.stuckClass),i(s.parentNode,e.parentClass)},s.cleanup=function(){for(var t=0;t<this.instances.length;t+=1){var s=this.instances[t];s.props.scrollEl.removeEventListener("scroll",s.stateContainer),this.removeInstance(s)}this.manageState=!1,this.instances=[]},t}();return function(t,s){return new e(t,s)}});

4

dist/umbrella.stickybits.js
/**
stickybits - Stickybits is a lightweight alternative to `position: sticky` polyfills
@version v3.4.0
@version v3.4.1
@link https://github.com/dollarshaveclub/stickybits#readme

@@ -73,3 +73,3 @@ @author Jeff Wainwright <yowainwright@gmail.com> (https://jeffry.in)

var o = typeof obj !== 'undefined' ? obj : {};
this.version = '3.4.0';
this.version = '3.4.1';
this.userAgent = window.navigator.userAgent || 'no `userAgent` provided by the browser';

@@ -76,0 +76,0 @@ this.props = {

2

package.json
{
"name": "stickybits",
"version": "3.4.0",
"version": "3.4.1",
"description": "Stickybits is a lightweight alternative to `position: sticky` polyfills",

@@ -5,0 +5,0 @@ "main": "dist/stickybits.js",

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