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tataslate/static/js/slate.js

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(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global.shuffle = factory());
}(this, (function () { 'use strict';
// Polyfill for creating CustomEvents on IE9/10/11
// code pulled from:
// https://github.com/d4tocchini/customevent-polyfill
// https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent#Polyfill
try {
var ce = new window.CustomEvent('test');
ce.preventDefault();
if (ce.defaultPrevented !== true) {
// IE has problems with .preventDefault() on custom events
// http://stackoverflow.com/questions/23349191
throw new Error('Could not prevent default');
}
} catch(e) {
var CustomEvent$1 = function(event, params) {
var evt, origPrevent;
params = params || {
bubbles: false,
cancelable: false,
detail: undefined
};
evt = document.createEvent("CustomEvent");
evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
origPrevent = evt.preventDefault;
evt.preventDefault = function () {
origPrevent.call(this);
try {
Object.defineProperty(this, 'defaultPrevented', {
get: function () {
return true;
}
});
} catch(e) {
this.defaultPrevented = true;
}
};
return evt;
};
CustomEvent$1.prototype = window.Event.prototype;
window.CustomEvent = CustomEvent$1; // expose definition to window
}
var proto = Element.prototype;
var vendor = proto.matches
|| proto.matchesSelector
|| proto.webkitMatchesSelector
|| proto.mozMatchesSelector
|| proto.msMatchesSelector
|| proto.oMatchesSelector;
var index = match;
/**
* Match `el` to `selector`.
*
* @param {Element} el
* @param {String} selector
* @return {Boolean}
* @api public
*/
function match(el, selector) {
if (vendor) return vendor.call(el, selector);
var nodes = el.parentNode.querySelectorAll(selector);
for (var i = 0; i < nodes.length; i++) {
if (nodes[i] == el) return true;
}
return false;
}
var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
function createCommonjsModule(fn, module) {
return module = { exports: {} }, fn(module, module.exports), module.exports;
}
var index$1 = createCommonjsModule(function (module) {
'use strict';
// there's 3 implementations written in increasing order of efficiency
// 1 - no Set type is defined
function uniqNoSet(arr) {
var ret = [];
for (var i = 0; i < arr.length; i++) {
if (ret.indexOf(arr[i]) === -1) {
ret.push(arr[i]);
}
}
return ret;
}
// 2 - a simple Set type is defined
function uniqSet(arr) {
var seen = new Set();
return arr.filter(function (el) {
if (!seen.has(el)) {
seen.add(el);
return true;
}
return false;
});
}
// 3 - a standard Set type is defined and it has a forEach method
function uniqSetWithForEach(arr) {
var ret = [];
(new Set(arr)).forEach(function (el) {
ret.push(el);
});
return ret;
}
// V8 currently has a broken implementation
// https://github.com/joyent/node/issues/8449
function doesForEachActuallyWork() {
var ret = false;
(new Set([true])).forEach(function (el) {
ret = el;
});
return ret === true;
}
if ('Set' in commonjsGlobal) {
if (typeof Set.prototype.forEach === 'function' && doesForEachActuallyWork()) {
module.exports = uniqSetWithForEach;
} else {
module.exports = uniqSet;
}
} else {
module.exports = uniqNoSet;
}
});
var immutable = extend;
var hasOwnProperty = Object.prototype.hasOwnProperty;
function extend() {
var target = {};
for (var i = 0; i < arguments.length; i++) {
var source = arguments[i];
for (var key in source) {
if (hasOwnProperty.call(source, key)) {
target[key] = source[key];
}
}
}
return target
}
var index$2 = throttle;
/**
* Returns a new function that, when invoked, invokes `func` at most once per `wait` milliseconds.
*
* @param {Function} func Function to wrap.
* @param {Number} wait Number of milliseconds that must elapse between `func` invocations.
* @return {Function} A new function that wraps the `func` function passed in.
*/
function throttle (func, wait) {
var ctx, args, rtn, timeoutID; // caching
var last = 0;
return function throttled () {
ctx = this;
args = arguments;
var delta = new Date() - last;
if (!timeoutID)
if (delta >= wait) call();
else timeoutID = setTimeout(call, wait - delta);
return rtn;
};
function call () {
timeoutID = 0;
last = +new Date();
rtn = func.apply(ctx, args);
ctx = null;
args = null;
}
}
var index$3 = function parallel(fns, context, callback) {
if (!callback) {
if (typeof context === 'function') {
callback = context;
context = null;
} else {
callback = noop;
}
}
var pending = fns && fns.length;
if (!pending) return callback(null, []);
var finished = false;
var results = new Array(pending);
fns.forEach(context ? function (fn, i) {
fn.call(context, maybeDone(i));
} : function (fn, i) {
fn(maybeDone(i));
});
function maybeDone(i) {
return function (err, result) {
if (finished) return;
if (err) {
callback(err, results);
finished = true;
return
}
results[i] = result;
if (!--pending) callback(null, results);
}
}
};
function noop() {}
/**
* Always returns a numeric value, given a value. Logic from jQuery's `isNumeric`.
* @param {*} value Possibly numeric value.
* @return {number} `value` or zero if `value` isn't numeric.
*/
function getNumber(value) {
return parseFloat(value) || 0;
}
var classCallCheck = function (instance, Constructor) {
if (!(instance instanceof Constructor)) {
throw new TypeError("Cannot call a class as a function");
}
};
var createClass = function () {
function defineProperties(target, props) {
for (var i = 0; i < props.length; i++) {
var descriptor = props[i];
descriptor.enumerable = descriptor.enumerable || false;
descriptor.configurable = true;
if ("value" in descriptor) descriptor.writable = true;
Object.defineProperty(target, descriptor.key, descriptor);
}
}
return function (Constructor, protoProps, staticProps) {
if (protoProps) defineProperties(Constructor.prototype, protoProps);
if (staticProps) defineProperties(Constructor, staticProps);
return Constructor;
};
}();
var Point = function () {
/**
* Represents a coordinate pair.
* @param {number} [x=0] X.
* @param {number} [y=0] Y.
*/
function Point(x, y) {
classCallCheck(this, Point);
this.x = getNumber(x);
this.y = getNumber(y);
}
/**
* Whether two points are equal.
* @param {Point} a Point A.
* @param {Point} b Point B.
* @return {boolean}
*/
createClass(Point, null, [{
key: 'equals',
value: function equals(a, b) {
return a.x === b.x && a.y === b.y;
}
}]);
return Point;
}();
var Classes = {
BASE: 'shuffle',
SHUFFLE_ITEM: 'shuffle-item',
VISIBLE: 'shuffle-item--visible',
HIDDEN: 'shuffle-item--hidden'
};
var id$1 = 0;
var ShuffleItem = function () {
function ShuffleItem(element) {
classCallCheck(this, ShuffleItem);
id$1 += 1;
this.id = id$1;
this.element = element;
this.isVisible = true;
}
createClass(ShuffleItem, [{
key: 'show',
value: function show() {
this.isVisible = true;
this.element.classList.remove(Classes.HIDDEN);
this.element.classList.add(Classes.VISIBLE);
}
}, {
key: 'hide',
value: function hide() {
this.isVisible = false;
this.element.classList.remove(Classes.VISIBLE);
this.element.classList.add(Classes.HIDDEN);
}
}, {
key: 'init',
value: function init() {
this.addClasses([Classes.SHUFFLE_ITEM, Classes.VISIBLE]);
this.applyCss(ShuffleItem.Css.INITIAL);
this.scale = ShuffleItem.Scale.VISIBLE;
this.point = new Point();
}
}, {
key: 'addClasses',
value: function addClasses(classes) {
var _this = this;
classes.forEach(function (className) {
_this.element.classList.add(className);
});
}
}, {
key: 'removeClasses',
value: function removeClasses(classes) {
var _this2 = this;
classes.forEach(function (className) {
_this2.element.classList.remove(className);
});
}
}, {
key: 'applyCss',
value: function applyCss(obj) {
var _this3 = this;
Object.keys(obj).forEach(function (key) {
_this3.element.style[key] = obj[key];
});
}
}, {
key: 'dispose',
value: function dispose() {
this.removeClasses([Classes.HIDDEN, Classes.VISIBLE, Classes.SHUFFLE_ITEM]);
this.element.removeAttribute('style');
this.element = null;
}
}]);
return ShuffleItem;
}();
ShuffleItem.Css = {
INITIAL: {
position: 'absolute',
top: 0,
left: 0,
visibility: 'visible',
'will-change': 'transform'
},
VISIBLE: {
before: {
opacity: 1,
visibility: 'visible'
},
after: {}
},
HIDDEN: {
before: {
opacity: 0
},
after: {
visibility: 'hidden'
}
}
};
ShuffleItem.Scale = {
VISIBLE: 1,
HIDDEN: 0.001
};
var element = document.body || document.documentElement;
var e$1 = document.createElement('div');
e$1.style.cssText = 'width:10px;padding:2px;box-sizing:border-box;';
element.appendChild(e$1);
var width = window.getComputedStyle(e$1, null).width;
var ret = width === '10px';
element.removeChild(e$1);
/**
* Retrieve the computed style for an element, parsed as a float.
* @param {Element} element Element to get style for.
* @param {string} style Style property.
* @param {CSSStyleDeclaration} [styles] Optionally include clean styles to
* use instead of asking for them again.
* @return {number} The parsed computed value or zero if that fails because IE
* will return 'auto' when the element doesn't have margins instead of
* the computed style.
*/
function getNumberStyle(element, style) {
var styles = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : window.getComputedStyle(element, null);
var value = getNumber(styles[style]);
// Support IE<=11 and W3C spec.
if (!ret && style === 'width') {
value += getNumber(styles.paddingLeft) + getNumber(styles.paddingRight) + getNumber(styles.borderLeftWidth) + getNumber(styles.borderRightWidth);
} else if (!ret && style === 'height') {
value += getNumber(styles.paddingTop) + getNumber(styles.paddingBottom) + getNumber(styles.borderTopWidth) + getNumber(styles.borderBottomWidth);
}
return value;
}
/**
* Fisher-Yates shuffle.
* http://stackoverflow.com/a/962890/373422
* https://bost.ocks.org/mike/shuffle/
* @param {Array} array Array to shuffle.
* @return {Array} Randomly sorted array.
*/
function randomize(array) {
var n = array.length;
while (n) {
n -= 1;
var i = Math.floor(Math.random() * (n + 1));
var temp = array[i];
array[i] = array[n];
array[n] = temp;
}
return array;
}
var defaults$1 = {
// Use array.reverse() to reverse the results
reverse: false,
// Sorting function
by: null,
// If true, this will skip the sorting and return a randomized order in the array
randomize: false,
// Determines which property of each item in the array is passed to the
// sorting method.
key: 'element'
};
// You can return `undefined` from the `by` function to revert to DOM order.
function sorter(arr, options) {
var opts = immutable(defaults$1, options);
var original = [].slice.call(arr);
var revert = false;
if (!arr.length) {
return [];
}
if (opts.randomize) {
return randomize(arr);
}
// Sort the elements by the opts.by function.
// If we don't have opts.by, default to DOM order
if (typeof opts.by === 'function') {
arr.sort(function (a, b) {
// Exit early if we already know we want to revert
if (revert) {
return 0;
}
var valA = opts.by(a[opts.key]);
var valB = opts.by(b[opts.key]);
// If both values are undefined, use the DOM order
if (valA === undefined && valB === undefined) {
revert = true;
return 0;
}
if (valA < valB || valA === 'sortFirst' || valB === 'sortLast') {
return -1;
}
if (valA > valB || valA === 'sortLast' || valB === 'sortFirst') {
return 1;
}
return 0;
});
}
// Revert to the original array if necessary
if (revert) {
return original;
}
if (opts.reverse) {
arr.reverse();
}
return arr;
}
var transitions = {};
var eventName = 'transitionend';
var count = 0;
function uniqueId() {
count += 1;
return eventName + count;
}
function cancelTransitionEnd(id) {
if (transitions[id]) {
transitions[id].element.removeEventListener(eventName, transitions[id].listener);
transitions[id] = null;
return true;
}
return false;
}
function onTransitionEnd(element, callback) {
var id = uniqueId();
var listener = function listener(evt) {
if (evt.currentTarget === evt.target) {
cancelTransitionEnd(id);
callback(evt);
}
};
element.addEventListener(eventName, listener);
transitions[id] = { element: element, listener: listener };
return id;
}
function arrayMax(array) {
return Math.max.apply(Math, array); // eslint-disable-line prefer-spread
}
function arrayMin(array) {
return Math.min.apply(Math, array); // eslint-disable-line prefer-spread
}
/**
* Determine the number of columns an items spans.
* @param {number} itemWidth Width of the item.
* @param {number} columnWidth Width of the column (includes gutter).
* @param {number} columns Total number of columns
* @param {number} threshold A buffer value for the size of the column to fit.
* @return {number}
*/
function getColumnSpan(itemWidth, columnWidth, columns, threshold) {
var columnSpan = itemWidth / columnWidth;
// If the difference between the rounded column span number and the
// calculated column span number is really small, round the number to
// make it fit.
if (Math.abs(Math.round(columnSpan) - columnSpan) < threshold) {
// e.g. columnSpan = 4.0089945390298745
columnSpan = Math.round(columnSpan);
}
// Ensure the column span is not more than the amount of columns in the whole layout.
return Math.min(Math.ceil(columnSpan), columns);
}
/**
* Retrieves the column set to use for placement.
* @param {number} columnSpan The number of columns this current item spans.
* @param {number} columns The total columns in the grid.
* @return {Array.<number>} An array of numbers represeting the column set.
*/
function getAvailablePositions(positions, columnSpan, columns) {
// The item spans only one column.
if (columnSpan === 1) {
return positions;
}
// The item spans more than one column, figure out how many different
// places it could fit horizontally.
// The group count is the number of places within the positions this block
// could fit, ignoring the current positions of items.
// Imagine a 2 column brick as the second item in a 4 column grid with
// 10px height each. Find the places it would fit:
// [20, 10, 10, 0]
// | | |
// * * *
//
// Then take the places which fit and get the bigger of the two:
// max([20, 10]), max([10, 10]), max([10, 0]) = [20, 10, 0]
//
// Next, find the first smallest number (the short column).
// [20, 10, 0]
// |
// *
//
// And that's where it should be placed!
//
// Another example where the second column's item extends past the first:
// [10, 20, 10, 0] => [20, 20, 10] => 10
var available = [];
// For how many possible positions for this item there are.
for (var i = 0; i <= columns - columnSpan; i++) {
// Find the bigger value for each place it could fit.
available.push(arrayMax(positions.slice(i, i + columnSpan)));
}
return available;
}
/**
* Find index of short column, the first from the left where this item will go.
*
* @param {Array.<number>} positions The array to search for the smallest number.
* @param {number} buffer Optional buffer which is very useful when the height
* is a percentage of the width.
* @return {number} Index of the short column.
*/
function getShortColumn(positions, buffer) {
var minPosition = arrayMin(positions);
for (var i = 0, len = positions.length; i < len; i++) {
if (positions[i] >= minPosition - buffer && positions[i] <= minPosition + buffer) {
return i;
}
}
return 0;
}
/**
* Determine the location of the next item, based on its size.
* @param {Object} itemSize Object with width and height.
* @param {Array.<number>} positions Positions of the other current items.
* @param {number} gridSize The column width or row height.
* @param {number} total The total number of columns or rows.
* @param {number} threshold Buffer value for the column to fit.
* @param {number} buffer Vertical buffer for the height of items.
* @return {Point}
*/
function getItemPosition(_ref) {
var itemSize = _ref.itemSize,
positions = _ref.positions,
gridSize = _ref.gridSize,
total = _ref.total,
threshold = _ref.threshold,
buffer = _ref.buffer;
var span = getColumnSpan(itemSize.width, gridSize, total, threshold);
var setY = getAvailablePositions(positions, span, total);
var shortColumnIndex = getShortColumn(setY, buffer);
// Position the item
var point = new Point(Math.round(gridSize * shortColumnIndex), Math.round(setY[shortColumnIndex]));
// Update the columns array with the new values for each column.
// e.g. before the update the columns could be [250, 0, 0, 0] for an item
// which spans 2 columns. After it would be [250, itemHeight, itemHeight, 0].
var setHeight = setY[shortColumnIndex] + itemSize.height;
for (var i = 0; i < span; i++) {
positions[shortColumnIndex + i] = setHeight;
}
return point;
}
function toArray$$1(arrayLike) {
return Array.prototype.slice.call(arrayLike);
}
function arrayIncludes(array, obj) {
return array.indexOf(obj) > -1;
}
// Used for unique instance variables
var id = 0;
var Shuffle = function () {
/**
* Categorize, sort, and filter a responsive grid of items.
*
* @param {Element} element An element which is the parent container for the grid items.
* @param {Object} [options=Shuffle.options] Options object.
* @constructor
*/
function Shuffle(element) {
var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
classCallCheck(this, Shuffle);
this.options = immutable(Shuffle.options, options);
this.useSizer = false;
this.lastSort = {};
this.group = Shuffle.ALL_ITEMS;
this.lastFilter = Shuffle.ALL_ITEMS;
this.isEnabled = true;
this.isDestroyed = false;
this.isInitialized = false;
this._transitions = [];
this.isTransitioning = false;
this._queue = [];
var el = this._getElementOption(element);
if (!el) {
throw new TypeError('Shuffle needs to be initialized with an element.');
}
this.element = el;
this.id = 'shuffle_' + id;
id += 1;
this._init();
this.isInitialized = true;
}
createClass(Shuffle, [{
key: '_init',
value: function _init() {
this.items = this._getItems();
this.options.sizer = this._getElementOption(this.options.sizer);
if (this.options.sizer) {
this.useSizer = true;
}
// Add class and invalidate styles
this.element.classList.add(Shuffle.Classes.BASE);
// Set initial css for each item
this._initItems();
// Bind resize events
this._onResize = this._getResizeFunction();
window.addEventListener('resize', this._onResize);
// Get container css all in one request. Causes reflow
var containerCss = window.getComputedStyle(this.element, null);
var containerWidth = Shuffle.getSize(this.element).width;
// Add styles to the container if it doesn't have them.
this._validateStyles(containerCss);
// We already got the container's width above, no need to cause another
// reflow getting it again... Calculate the number of columns there will be
this._setColumns(containerWidth);
// Kick off!
this.filter(this.options.group, this.options.initialSort);
// The shuffle items haven't had transitions set on them yet so the user
// doesn't see the first layout. Set them now that the first layout is done.
// First, however, a synchronous layout must be caused for the previous
// styles to be applied without transitions.
this.element.offsetWidth; // eslint-disable-line no-unused-expressions
this._setTransitions();
this.element.style.transition = 'height ' + this.options.speed + 'ms ' + this.options.easing;
}
/**
* Returns a throttled and proxied function for the resize handler.
* @return {Function}
* @private
*/
}, {
key: '_getResizeFunction',
value: function _getResizeFunction() {
var resizeFunction = this._handleResize.bind(this);
return this.options.throttle ? this.options.throttle(resizeFunction, this.options.throttleTime) : resizeFunction;
}
/**
* Retrieve an element from an option.
* @param {string|jQuery|Element} option The option to check.
* @return {?Element} The plain element or null.
* @private
*/
}, {
key: '_getElementOption',
value: function _getElementOption(option) {
// If column width is a string, treat is as a selector and search for the
// sizer element within the outermost container
if (typeof option === 'string') {
return this.element.querySelector(option);
// Check for an element
} else if (option && option.nodeType && option.nodeType === 1) {
return option;
// Check for jQuery object
} else if (option && option.jquery) {
return option[0];
}
return null;
}
/**
* Ensures the shuffle container has the css styles it needs applied to it.
* @param {Object} styles Key value pairs for position and overflow.
* @private
*/
}, {
key: '_validateStyles',
value: function _validateStyles(styles) {
// Position cannot be static.
if (styles.position === 'static') {
this.element.style.position = 'relative';
}
// Overflow has to be hidden.
if (styles.overflow !== 'hidden') {
this.element.style.overflow = 'hidden';
}
}
/**
* Filter the elements by a category.
* @param {string} [category] Category to filter by. If it's given, the last
* category will be used to filter the items.
* @param {Array} [collection] Optionally filter a collection. Defaults to
* all the items.
* @return {!{visible: Array, hidden: Array}}
* @private
*/
}, {
key: '_filter',
value: function _filter() {
var category = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.lastFilter;
var collection = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.items;
var set$$1 = this._getFilteredSets(category, collection);
// Individually add/remove hidden/visible classes
this._toggleFilterClasses(set$$1);
// Save the last filter in case elements are appended.
this.lastFilter = category;
// This is saved mainly because providing a filter function (like searching)
// will overwrite the `lastFilter` property every time its called.
if (typeof category === 'string') {
this.group = category;
}
return set$$1;
}
/**
* Returns an object containing the visible and hidden elements.
* @param {string|Function} category Category or function to filter by.
* @param {Array.<Element>} items A collection of items to filter.
* @return {!{visible: Array, hidden: Array}}
* @private
*/
}, {
key: '_getFilteredSets',
value: function _getFilteredSets(category, items) {
var _this = this;
var visible = [];
var hidden = [];
// category === 'all', add visible class to everything
if (category === Shuffle.ALL_ITEMS) {
visible = items;
// Loop through each item and use provided function to determine
// whether to hide it or not.
} else {
items.forEach(function (item) {
if (_this._doesPassFilter(category, item.element)) {
visible.push(item);
} else {
hidden.push(item);
}
});
}
return {
visible: visible,
hidden: hidden
};
}
/**
* Test an item to see if it passes a category.
* @param {string|Function} category Category or function to filter by.
* @param {Element} element An element to test.
* @return {boolean} Whether it passes the category/filter.
* @private
*/
}, {
key: '_doesPassFilter',
value: function _doesPassFilter(category, element) {
if (typeof category === 'function') {
return category.call(element, element, this);
}
// Check each element's data-groups attribute against the given category.
var attr = element.getAttribute('data-' + Shuffle.FILTER_ATTRIBUTE_KEY);
var keys = this.options.delimeter ? attr.split(this.options.delimeter) : JSON.parse(attr);
function testCategory(category) {
return arrayIncludes(keys, category);
}
if (Array.isArray(category)) {
if (this.options.filterMode === Shuffle.FilterMode.ANY) {
return category.some(testCategory);
}
return category.every(testCategory);
}
return arrayIncludes(keys, category);
}
/**
* Toggles the visible and hidden class names.
* @param {{visible, hidden}} Object with visible and hidden arrays.
* @private
*/
}, {
key: '_toggleFilterClasses',
value: function _toggleFilterClasses(_ref) {
var visible = _ref.visible,
hidden = _ref.hidden;
visible.forEach(function (item) {
item.show();
});
hidden.forEach(function (item) {
item.hide();
});
}
/**
* Set the initial css for each item
* @param {Array.<ShuffleItem>} [items] Optionally specifiy at set to initialize.
* @private
*/
}, {
key: '_initItems',
value: function _initItems() {
var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.items;
items.forEach(function (item) {
item.init();
});
}
/**
* Remove element reference and styles.
* @private
*/
}, {
key: '_disposeItems',
value: function _disposeItems() {
var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.items;
items.forEach(function (item) {
item.dispose();
});
}
/**
* Updates the visible item count.
* @private
*/
}, {
key: '_updateItemCount',
value: function _updateItemCount() {
this.visibleItems = this._getFilteredItems().length;
}
/**
* Sets css transform transition on a group of elements. This is not executed
* at the same time as `item.init` so that transitions don't occur upon
* initialization of Shuffle.
* @param {Array.<ShuffleItem>} items Shuffle items to set transitions on.
* @private
*/
}, {
key: '_setTransitions',
value: function _setTransitions() {
var items = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.items;
var speed = this.options.speed;
var easing = this.options.easing;
var str = this.options.useTransforms ? 'transform ' + speed + 'ms ' + easing + ', opacity ' + speed + 'ms ' + easing : 'top ' + speed + 'ms ' + easing + ', left ' + speed + 'ms ' + easing + ', opacity ' + speed + 'ms ' + easing;
items.forEach(function (item) {
item.element.style.transition = str;
});
}
}, {
key: '_getItems',
value: function _getItems() {
var _this2 = this;
return toArray$$1(this.element.children).filter(function (el) {
return index(el, _this2.options.itemSelector);
}).map(function (el) {
return new ShuffleItem(el);
});
}
/**
* When new elements are added to the shuffle container, update the array of
* items because that is the order `_layout` calls them.
*/
}, {
key: '_updateItemsOrder',
value: function _updateItemsOrder() {
var children = this.element.children;
this.items = sorter(this.items, {
by: function by(element) {
return Array.prototype.indexOf.call(children, element);
}
});
}
}, {
key: '_getFilteredItems',
value: function _getFilteredItems() {
return this.items.filter(function (item) {
return item.isVisible;
});
}
}, {
key: '_getConcealedItems',
value: function _getConcealedItems() {
return this.items.filter(function (item) {
return !item.isVisible;
});
}
/**
* Returns the column size, based on column width and sizer options.
* @param {number} containerWidth Size of the parent container.
* @param {number} gutterSize Size of the gutters.
* @return {number}
* @private
*/
}, {
key: '_getColumnSize',
value: function _getColumnSize(containerWidth, gutterSize) {
var size = void 0;
// If the columnWidth property is a function, then the grid is fluid
if (typeof this.options.columnWidth === 'function') {
size = this.options.columnWidth(containerWidth);
// columnWidth option isn't a function, are they using a sizing element?
} else if (this.useSizer) {
size = Shuffle.getSize(this.options.sizer).width;
// if not, how about the explicitly set option?
} else if (this.options.columnWidth) {
size = this.options.columnWidth;
// or use the size of the first item
} else if (this.items.length > 0) {
size = Shuffle.getSize(this.items[0].element, true).width;
// if there's no items, use size of container
} else {
size = containerWidth;
}
// Don't let them set a column width of zero.
if (size === 0) {
size = containerWidth;
}
return size + gutterSize;
}
/**
* Returns the gutter size, based on gutter width and sizer options.
* @param {number} containerWidth Size of the parent container.
* @return {number}
* @private
*/
}, {
key: '_getGutterSize',
value: function _getGutterSize(containerWidth) {
var size = void 0;
if (typeof this.options.gutterWidth === 'function') {
size = this.options.gutterWidth(containerWidth);
} else if (this.useSizer) {
size = getNumberStyle(this.options.sizer, 'marginLeft');
} else {
size = this.options.gutterWidth;
}
return size;
}
/**
* Calculate the number of columns to be used. Gets css if using sizer element.
* @param {number} [containerWidth] Optionally specify a container width if
* it's already available.
*/
}, {
key: '_setColumns',
value: function _setColumns() {
var containerWidth = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : Shuffle.getSize(this.element).width;
var gutter = this._getGutterSize(containerWidth);
var columnWidth = this._getColumnSize(containerWidth, gutter);
var calculatedColumns = (containerWidth + gutter) / columnWidth;
// Widths given from getStyles are not precise enough...
if (Math.abs(Math.round(calculatedColumns) - calculatedColumns) < this.options.columnThreshold) {
// e.g. calculatedColumns = 11.998876
calculatedColumns = Math.round(calculatedColumns);
}
this.cols = Math.max(Math.floor(calculatedColumns), 1);
this.containerWidth = containerWidth;
this.colWidth = columnWidth;
}
/**
* Adjust the height of the grid
*/
}, {
key: '_setContainerSize',
value: function _setContainerSize() {
this.element.style.height = this._getContainerSize() + 'px';
}
/**
* Based on the column heights, it returns the biggest one.
* @return {number}
* @private
*/
}, {
key: '_getContainerSize',
value: function _getContainerSize() {
return arrayMax(this.positions);
}
/**
* Get the clamped stagger amount.
* @param {number} index Index of the item to be staggered.
* @return {number}
*/
}, {
key: '_getStaggerAmount',
value: function _getStaggerAmount(index$$1) {
return Math.min(index$$1 * this.options.staggerAmount, this.options.staggerAmountMax);
}
/**
* @return {boolean} Whether the event was prevented or not.
*/
}, {
key: '_dispatch',
value: function _dispatch(name) {
var details = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
if (this.isDestroyed) {
return false;
}
details.shuffle = this;
return !this.element.dispatchEvent(new CustomEvent(name, {
bubbles: true,
cancelable: false,
detail: details
}));
}
/**
* Zeros out the y columns array, which is used to determine item placement.
* @private
*/
}, {
key: '_resetCols',
value: function _resetCols() {
var i = this.cols;
this.positions = [];
while (i) {
i -= 1;
this.positions.push(0);
}
}
/**
* Loops through each item that should be shown and calculates the x, y position.
* @param {Array.<ShuffleItem>} items Array of items that will be shown/layed
* out in order in their array.
*/
}, {
key: '_layout',
value: function _layout(items) {
var _this3 = this;
var count = 0;
items.forEach(function (item) {
var currPos = item.point;
var currScale = item.scale;
var itemSize = Shuffle.getSize(item.element, true);
var pos = _this3._getItemPosition(itemSize);
function callback() {
item.element.style.transitionDelay = '';
item.applyCss(ShuffleItem.Css.VISIBLE.after);
}
// If the item will not change its position, do not add it to the render
// queue. Transitions don't fire when setting a property to the same value.
if (Point.equals(currPos, pos) && currScale === ShuffleItem.Scale.VISIBLE) {
item.applyCss(ShuffleItem.Css.VISIBLE.before);
callback();
return;
}
item.point = pos;
item.scale = ShuffleItem.Scale.VISIBLE;
// Use xtend here to clone the object so that the `before` object isn't
// modified when the transition delay is added.
var styles = immutable(ShuffleItem.Css.VISIBLE.before);
styles.transitionDelay = _this3._getStaggerAmount(count) + 'ms';
_this3._queue.push({
item: item,
styles: styles,
callback: callback
});
count += 1;
});
}
/**
* Determine the location of the next item, based on its size.
* @param {{width: number, height: number}} itemSize Object with width and height.
* @return {Point}
* @private
*/
}, {
key: '_getItemPosition',
value: function _getItemPosition(itemSize) {
return getItemPosition({
itemSize: itemSize,
positions: this.positions,
gridSize: this.colWidth,
total: this.cols,
threshold: this.options.columnThreshold,
buffer: this.options.buffer
});
}
/**
* Hides the elements that don't match our filter.
* @param {Array.<ShuffleItem>} collection Collection to shrink.
* @private
*/
}, {
key: '_shrink',
value: function _shrink() {
var _this4 = this;
var collection = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this._getConcealedItems();
var count = 0;
collection.forEach(function (item) {
function callback() {
item.applyCss(ShuffleItem.Css.HIDDEN.after);
}
// Continuing would add a transitionend event listener to the element, but
// that listener would not execute because the transform and opacity would
// stay the same.
// The callback is executed here because it is not guaranteed to be called
// after the transitionend event because the transitionend could be
// canceled if another animation starts.
if (item.scale === ShuffleItem.Scale.HIDDEN) {
item.applyCss(ShuffleItem.Css.HIDDEN.before);
callback();
return;
}
item.scale = ShuffleItem.Scale.HIDDEN;
var styles = immutable(ShuffleItem.Css.HIDDEN.before);
styles.transitionDelay = _this4._getStaggerAmount(count) + 'ms';
_this4._queue.push({
item: item,
styles: styles,
callback: callback
});
count += 1;
});
}
/**
* Resize handler.
* @private
*/
}, {
key: '_handleResize',
value: function _handleResize() {
// If shuffle is disabled, destroyed, don't do anything
if (!this.isEnabled || this.isDestroyed) {
return;
}
// Will need to check height in the future if it's layed out horizontaly
var containerWidth = Shuffle.getSize(this.element).width;
// containerWidth hasn't changed, don't do anything
if (containerWidth === this.containerWidth) {
return;
}
this.update();
}
/**
* Returns styles which will be applied to the an item for a transition.
* @param {Object} obj Transition options.
* @return {!Object} Transforms for transitions, left/top for animate.
* @private
*/
}, {
key: '_getStylesForTransition',
value: function _getStylesForTransition(_ref2) {
var item = _ref2.item,
styles = _ref2.styles;
if (!styles.transitionDelay) {
styles.transitionDelay = '0ms';
}
var x = item.point.x;
var y = item.point.y;
if (this.options.useTransforms) {
styles.transform = 'translate(' + x + 'px, ' + y + 'px) scale(' + item.scale + ')';
} else {
styles.left = x + 'px';
styles.top = y + 'px';
}
return styles;
}
/**
* Listen for the transition end on an element and execute the itemCallback
* when it finishes.
* @param {Element} element Element to listen on.
* @param {Function} itemCallback Callback for the item.
* @param {Function} done Callback to notify `parallel` that this one is done.
*/
}, {
key: '_whenTransitionDone',
value: function _whenTransitionDone(element, itemCallback, done) {
var id = onTransitionEnd(element, function (evt) {
itemCallback();
done(null, evt);
});
this._transitions.push(id);
}
/**
* Return a function which will set CSS styles and call the `done` function
* when (if) the transition finishes.
* @param {Object} opts Transition object.
* @return {Function} A function to be called with a `done` function.
*/
}, {
key: '_getTransitionFunction',
value: function _getTransitionFunction(opts) {
var _this5 = this;
return function (done) {
opts.item.applyCss(_this5._getStylesForTransition(opts));
_this5._whenTransitionDone(opts.item.element, opts.callback, done);
};
}
/**
* Execute the styles gathered in the style queue. This applies styles to elements,
* triggering transitions.
* @private
*/
}, {
key: '_processQueue',
value: function _processQueue() {
if (this.isTransitioning) {
this._cancelMovement();
}
var hasSpeed = this.options.speed > 0;
var hasQueue = this._queue.length > 0;
if (hasQueue && hasSpeed && this.isInitialized) {
this._startTransitions(this._queue);
} else if (hasQueue) {
this._styleImmediately(this._queue);
this._dispatchLayout();
// A call to layout happened, but none of the newly visible items will
// change position or the transition duration is zero, which will not trigger
// the transitionend event.
} else {
this._dispatchLayout();
}
// Remove everything in the style queue
this._queue.length = 0;
}
/**
* Wait for each transition to finish, the emit the layout event.
* @param {Array.<Object>} transitions Array of transition objects.
*/
}, {
key: '_startTransitions',
value: function _startTransitions(transitions) {
var _this6 = this;
// Set flag that shuffle is currently in motion.
this.isTransitioning = true;
// Create an array of functions to be called.
var callbacks = transitions.map(function (obj) {
return _this6._getTransitionFunction(obj);
});
index$3(callbacks, this._movementFinished.bind(this));
}
}, {
key: '_cancelMovement',
value: function _cancelMovement() {
// Remove the transition end event for each listener.
this._transitions.forEach(cancelTransitionEnd);
// Reset the array.
this._transitions.length = 0;
// Show it's no longer active.
this.isTransitioning = false;
}
/**
* Apply styles without a transition.
* @param {Array.<Object>} objects Array of transition objects.
* @private
*/
}, {
key: '_styleImmediately',
value: function _styleImmediately(objects) {
var _this7 = this;
if (objects.length) {
var elements = objects.map(function (obj) {
return obj.item.element;
});
Shuffle._skipTransitions(elements, function () {
objects.forEach(function (obj) {
obj.item.applyCss(_this7._getStylesForTransition(obj));
obj.callback();
});
});
}
}
}, {
key: '_movementFinished',
value: function _movementFinished() {
this._transitions.length = 0;
this.isTransitioning = false;
this._dispatchLayout();
}
}, {
key: '_dispatchLayout',
value: function _dispatchLayout() {
this._dispatch(Shuffle.EventType.LAYOUT);
}
/**
* The magic. This is what makes the plugin 'shuffle'
* @param {string|Function|Array.<string>} [category] Category to filter by.
* Can be a function, string, or array of strings.
* @param {Object} [sortObj] A sort object which can sort the visible set
*/
}, {
key: 'filter',
value: function filter(category, sortObj) {
if (!this.isEnabled) {
return;
}
if (!category || category && category.length === 0) {
category = Shuffle.ALL_ITEMS; // eslint-disable-line no-param-reassign
}
this._filter(category);
// Shrink each hidden item
this._shrink();
// How many visible elements?
this._updateItemCount();
// Update transforms on visible elements so they will animate to their new positions.
this.sort(sortObj);
}
/**
* Gets the visible elements, sorts them, and passes them to layout.
* @param {Object} opts the options object for the sorted plugin
*/
}, {
key: 'sort',
value: function sort() {
var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.lastSort;
if (!this.isEnabled) {
return;
}
this._resetCols();
var items = this._getFilteredItems();
items = sorter(items, opts);
this._layout(items);
// `_layout` always happens after `_shrink`, so it's safe to process the style
// queue here with styles from the shrink method.
this._processQueue();
// Adjust the height of the container.
this._setContainerSize();
this.lastSort = opts;
}
/**
* Reposition everything.
* @param {boolean} isOnlyLayout If true, column and gutter widths won't be
* recalculated.
*/
}, {
key: 'update',
value: function update(isOnlyLayout) {
if (this.isEnabled) {
if (!isOnlyLayout) {
// Get updated colCount
this._setColumns();
}
// Layout items
this.sort();
}
}
/**
* Use this instead of `update()` if you don't need the columns and gutters updated
* Maybe an image inside `shuffle` loaded (and now has a height), which means calculations
* could be off.
*/
}, {
key: 'layout',
value: function layout() {
this.update(true);
}
/**
* New items have been appended to shuffle. Mix them in with the current
* filter or sort status.
* @param {Array.<Element>} newItems Collection of new items.
*/
}, {
key: 'add',
value: function add(newItems) {
var items = index$1(newItems).map(function (el) {
return new ShuffleItem(el);
});
// Add classes and set initial positions.
this._initItems(items);
// Add transition to each item.
this._setTransitions(items);
// Update the list of items.
this.items = this.items.concat(items);
this._updateItemsOrder();
this.filter(this.lastFilter);
}
/**
* Disables shuffle from updating dimensions and layout on resize
*/
}, {
key: 'disable',
value: function disable() {
this.isEnabled = false;
}
/**
* Enables shuffle again
* @param {boolean} [isUpdateLayout=true] if undefined, shuffle will update columns and gutters
*/
}, {
key: 'enable',
value: function enable(isUpdateLayout) {
this.isEnabled = true;
if (isUpdateLayout !== false) {
this.update();
}
}
/**
* Remove 1 or more shuffle items
* @param {Array.<Element>} elements An array containing one or more
* elements in shuffle
* @return {Shuffle} The shuffle object
*/
}, {
key: 'remove',
value: function remove(elements) {
var _this8 = this;
if (!elements.length) {
return;
}
var collection = index$1(elements);
var oldItems = collection.map(function (element) {
return _this8.getItemByElement(element);
}).filter(function (item) {
return !!item;
});
var handleLayout = function handleLayout() {
_this8.element.removeEventListener(Shuffle.EventType.LAYOUT, handleLayout);
_this8._disposeItems(oldItems);
// Remove the collection in the callback
collection.forEach(function (element) {
element.parentNode.removeChild(element);
});
_this8._dispatch(Shuffle.EventType.REMOVED, { collection: collection });
};
// Hide collection first.
this._toggleFilterClasses({
visible: [],
hidden: oldItems
});
this._shrink(oldItems);
this.sort();
// Update the list of items here because `remove` could be called again
// with an item that is in the process of being removed.
this.items = this.items.filter(function (item) {
return !arrayIncludes(oldItems, item);
});
this._updateItemCount();
this.element.addEventListener(Shuffle.EventType.LAYOUT, handleLayout);
}
/**
* Retrieve a shuffle item by its element.
* @param {Element} element Element to look for.
* @return {?ShuffleItem} A shuffle item or null if it's not found.
*/
}, {
key: 'getItemByElement',
value: function getItemByElement(element) {
for (var i = this.items.length - 1; i >= 0; i--) {
if (this.items[i].element === element) {
return this.items[i];
}
}
return null;
}
/**
* Destroys shuffle, removes events, styles, and classes
*/
}, {
key: 'destroy',
value: function destroy() {
this._cancelMovement();
window.removeEventListener('resize', this._onResize);
// Reset container styles
this.element.classList.remove('shuffle');
this.element.removeAttribute('style');
// Reset individual item styles
this._disposeItems();
// Null DOM references
this.items = null;
this.options.sizer = null;
this.element = null;
this._transitions = null;
// Set a flag so if a debounced resize has been triggered,
// it can first check if it is actually isDestroyed and not doing anything
this.isDestroyed = true;
}
/**
* Returns the outer width of an element, optionally including its margins.
*
* There are a few different methods for getting the width of an element, none of
* which work perfectly for all Shuffle's use cases.
*
* 1. getBoundingClientRect() `left` and `right` properties.
* - Accounts for transform scaled elements, making it useless for Shuffle
* elements which have shrunk.
* 2. The `offsetWidth` property.
* - This value stays the same regardless of the elements transform property,
* however, it does not return subpixel values.
* 3. getComputedStyle()
* - This works great Chrome, Firefox, Safari, but IE<=11 does not include
* padding and border when box-sizing: border-box is set, requiring a feature
* test and extra work to add the padding back for IE and other browsers which
* follow the W3C spec here.
*
* @param {Element} element The element.
* @param {boolean} [includeMargins] Whether to include margins. Default is false.
* @return {{width: number, height: number}} The width and height.
*/
}], [{
key: 'getSize',
value: function getSize(element, includeMargins) {
// Store the styles so that they can be used by others without asking for it again.
var styles = window.getComputedStyle(element, null);
var width = getNumberStyle(element, 'width', styles);
var height = getNumberStyle(element, 'height', styles);
if (includeMargins) {
var marginLeft = getNumberStyle(element, 'marginLeft', styles);
var marginRight = getNumberStyle(element, 'marginRight', styles);
var marginTop = getNumberStyle(element, 'marginTop', styles);
var marginBottom = getNumberStyle(element, 'marginBottom', styles);
width += marginLeft + marginRight;
height += marginTop + marginBottom;
}
return {
width: width,
height: height
};
}
/**
* Change a property or execute a function which will not have a transition
* @param {Array.<Element>} elements DOM elements that won't be transitioned.
* @param {Function} callback A function which will be called while transition
* is set to 0ms.
* @private
*/
}, {
key: '_skipTransitions',
value: function _skipTransitions(elements, callback) {
var zero = '0ms';
// Save current duration and delay.
var data = elements.map(function (element) {
var style = element.style;
var duration = style.transitionDuration;
var delay = style.transitionDelay;
// Set the duration to zero so it happens immediately
style.transitionDuration = zero;
style.transitionDelay = zero;
return {
duration: duration,
delay: delay
};
});
callback();
// Cause reflow.
elements[0].offsetWidth; // eslint-disable-line no-unused-expressions
// Put the duration back
elements.forEach(function (element, i) {
element.style.transitionDuration = data[i].duration;
element.style.transitionDelay = data[i].delay;
});
}
}]);
return Shuffle;
}();
Shuffle.ShuffleItem = ShuffleItem;
Shuffle.ALL_ITEMS = 'all';
Shuffle.FILTER_ATTRIBUTE_KEY = 'groups';
/**
* @enum {string}
*/
Shuffle.EventType = {
LAYOUT: 'shuffle:layout',
REMOVED: 'shuffle:removed'
};
/** @enum {string} */
Shuffle.Classes = Classes;
/**
* @enum {string}
*/
Shuffle.FilterMode = {
ANY: 'any',
ALL: 'all'
};
// Overrideable options
Shuffle.options = {
// Initial filter group.
group: Shuffle.ALL_ITEMS,
// Transition/animation speed (milliseconds).
speed: 250,
// CSS easing function to use.
easing: 'ease',
// e.g. '.picture-item'.
itemSelector: '*',
// Element or selector string. Use an element to determine the size of columns
// and gutters.
sizer: null,
// A static number or function that tells the plugin how wide the gutters
// between columns are (in pixels).
gutterWidth: 0,
// A static number or function that returns a number which tells the plugin
// how wide the columns are (in pixels).
columnWidth: 0,
// If your group is not json, and is comma delimeted, you could set delimeter
// to ','.
delimeter: null,
// Useful for percentage based heights when they might not always be exactly
// the same (in pixels).
buffer: 0,
// Reading the width of elements isn't precise enough and can cause columns to
// jump between values.
columnThreshold: 0.01,
// Shuffle can be isInitialized with a sort object. It is the same object
// given to the sort method.
initialSort: null,
// By default, shuffle will throttle resize events. This can be changed or
// removed.
throttle: index$2,
// How often shuffle can be called on resize (in milliseconds).
throttleTime: 300,
// Transition delay offset for each item in milliseconds.
staggerAmount: 15,
// Maximum stagger delay in milliseconds.
staggerAmountMax: 250,
// Whether to use transforms or absolute positioning.
useTransforms: true,
// Affects using an array with filter. e.g. `filter(['one', 'two'])`. With "any",
// the element passes the test if any of its groups are in the array. With "all",
// the element only passes if all groups are in the array.
filterMode: Shuffle.FilterMode.ANY
};
// Expose for testing. Hack at your own risk.
Shuffle.__Point = Point;
Shuffle.__sorter = sorter;
Shuffle.__getColumnSpan = getColumnSpan;
Shuffle.__getAvailablePositions = getAvailablePositions;
Shuffle.__getShortColumn = getShortColumn;
return Shuffle;
})));
//# sourceMappingURL=shuffle.js.map
// TinyColor v1.4.1
// https://github.com/bgrins/TinyColor
// Brian Grinstead, MIT License
(function(Math) {
var trimLeft = /^\s+/,
trimRight = /\s+$/,
tinyCounter = 0,
mathRound = Math.round,
mathMin = Math.min,
mathMax = Math.max,
mathRandom = Math.random;
function tinycolor (color, opts) {
color = (color) ? color : '';
opts = opts || { };
// If input is already a tinycolor, return itself
if (color instanceof tinycolor) {
return color;
}
// If we are called as a function, call using new instead
if (!(this instanceof tinycolor)) {
return new tinycolor(color, opts);
}
var rgb = inputToRGB(color);
this._originalInput = color,
this._r = rgb.r,
this._g = rgb.g,
this._b = rgb.b,
this._a = rgb.a,
this._roundA = mathRound(100*this._a) / 100,
this._format = opts.format || rgb.format;
this._gradientType = opts.gradientType;
// Don't let the range of [0,255] come back in [0,1].
// Potentially lose a little bit of precision here, but will fix issues where
// .5 gets interpreted as half of the total, instead of half of 1
// If it was supposed to be 128, this was already taken care of by `inputToRgb`
if (this._r < 1) { this._r = mathRound(this._r); }
if (this._g < 1) { this._g = mathRound(this._g); }
if (this._b < 1) { this._b = mathRound(this._b); }
this._ok = rgb.ok;
this._tc_id = tinyCounter++;
}
tinycolor.prototype = {
isDark: function() {
return this.getBrightness() < 128;
},
isLight: function() {
return !this.isDark();
},
isValid: function() {
return this._ok;
},
getOriginalInput: function() {
return this._originalInput;
},
getFormat: function() {
return this._format;
},
getAlpha: function() {
return this._a;
},
getBrightness: function() {
//http://www.w3.org/TR/AERT#color-contrast
var rgb = this.toRgb();
return (rgb.r * 299 + rgb.g * 587 + rgb.b * 114) / 1000;
},
getLuminance: function() {
//http://www.w3.org/TR/2008/REC-WCAG20-20081211/#relativeluminancedef
var rgb = this.toRgb();
var RsRGB, GsRGB, BsRGB, R, G, B;
RsRGB = rgb.r/255;
GsRGB = rgb.g/255;
BsRGB = rgb.b/255;
if (RsRGB <= 0.03928) {R = RsRGB / 12.92;} else {R = Math.pow(((RsRGB + 0.055) / 1.055), 2.4);}
if (GsRGB <= 0.03928) {G = GsRGB / 12.92;} else {G = Math.pow(((GsRGB + 0.055) / 1.055), 2.4);}
if (BsRGB <= 0.03928) {B = BsRGB / 12.92;} else {B = Math.pow(((BsRGB + 0.055) / 1.055), 2.4);}
return (0.2126 * R) + (0.7152 * G) + (0.0722 * B);
},
setAlpha: function(value) {
this._a = boundAlpha(value);
this._roundA = mathRound(100*this._a) / 100;
return this;
},
toHsv: function() {
var hsv = rgbToHsv(this._r, this._g, this._b);
return { h: hsv.h * 360, s: hsv.s, v: hsv.v, a: this._a };
},
toHsvString: function() {
var hsv = rgbToHsv(this._r, this._g, this._b);
var h = mathRound(hsv.h * 360), s = mathRound(hsv.s * 100), v = mathRound(hsv.v * 100);
return (this._a == 1) ?
"hsv(" + h + ", " + s + "%, " + v + "%)" :
"hsva(" + h + ", " + s + "%, " + v + "%, "+ this._roundA + ")";
},
toHsl: function() {
var hsl = rgbToHsl(this._r, this._g, this._b);
return { h: hsl.h * 360, s: hsl.s, l: hsl.l, a: this._a };
},
toHslString: function() {
var hsl = rgbToHsl(this._r, this._g, this._b);
var h = mathRound(hsl.h * 360), s = mathRound(hsl.s * 100), l = mathRound(hsl.l * 100);
return (this._a == 1) ?
"hsl(" + h + ", " + s + "%, " + l + "%)" :
"hsla(" + h + ", " + s + "%, " + l + "%, "+ this._roundA + ")";
},
toHex: function(allow3Char) {
return rgbToHex(this._r, this._g, this._b, allow3Char);
},
toHexString: function(allow3Char) {
return '#' + this.toHex(allow3Char);
},
toHex8: function(allow4Char) {
return rgbaToHex(this._r, this._g, this._b, this._a, allow4Char);
},
toHex8String: function(allow4Char) {
return '#' + this.toHex8(allow4Char);
},
toRgb: function() {
return { r: mathRound(this._r), g: mathRound(this._g), b: mathRound(this._b), a: this._a };
},
toRgbString: function() {
return (this._a == 1) ?
"rgb(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ")" :
"rgba(" + mathRound(this._r) + ", " + mathRound(this._g) + ", " + mathRound(this._b) + ", " + this._roundA + ")";
},
toPercentageRgb: function() {
return { r: mathRound(bound01(this._r, 255) * 100) + "%", g: mathRound(bound01(this._g, 255) * 100) + "%", b: mathRound(bound01(this._b, 255) * 100) + "%", a: this._a };
},
toPercentageRgbString: function() {
return (this._a == 1) ?
"rgb(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%)" :
"rgba(" + mathRound(bound01(this._r, 255) * 100) + "%, " + mathRound(bound01(this._g, 255) * 100) + "%, " + mathRound(bound01(this._b, 255) * 100) + "%, " + this._roundA + ")";
},
toName: function() {
if (this._a === 0) {
return "transparent";
}
if (this._a < 1) {
return false;
}
return hexNames[rgbToHex(this._r, this._g, this._b, true)] || false;
},
toFilter: function(secondColor) {
var hex8String = '#' + rgbaToArgbHex(this._r, this._g, this._b, this._a);
var secondHex8String = hex8String;
var gradientType = this._gradientType ? "GradientType = 1, " : "";
if (secondColor) {
var s = tinycolor(secondColor);
secondHex8String = '#' + rgbaToArgbHex(s._r, s._g, s._b, s._a);
}
return "progid:DXImageTransform.Microsoft.gradient("+gradientType+"startColorstr="+hex8String+",endColorstr="+secondHex8String+")";
},
toString: function(format) {
var formatSet = !!format;
format = format || this._format;
var formattedString = false;
var hasAlpha = this._a < 1 && this._a >= 0;
var needsAlphaFormat = !formatSet && hasAlpha && (format === "hex" || format === "hex6" || format === "hex3" || format === "hex4" || format === "hex8" || format === "name");
if (needsAlphaFormat) {
// Special case for "transparent", all other non-alpha formats
// will return rgba when there is transparency.
if (format === "name" && this._a === 0) {
return this.toName();
}
return this.toRgbString();
}
if (format === "rgb") {
formattedString = this.toRgbString();
}
if (format === "prgb") {
formattedString = this.toPercentageRgbString();
}
if (format === "hex" || format === "hex6") {
formattedString = this.toHexString();
}
if (format === "hex3") {
formattedString = this.toHexString(true);
}
if (format === "hex4") {
formattedString = this.toHex8String(true);
}
if (format === "hex8") {
formattedString = this.toHex8String();
}
if (format === "name") {
formattedString = this.toName();
}
if (format === "hsl") {
formattedString = this.toHslString();
}
if (format === "hsv") {
formattedString = this.toHsvString();
}
return formattedString || this.toHexString();
},
clone: function() {
return tinycolor(this.toString());
},
_applyModification: function(fn, args) {
var color = fn.apply(null, [this].concat([].slice.call(args)));
this._r = color._r;
this._g = color._g;
this._b = color._b;
this.setAlpha(color._a);
return this;
},
lighten: function() {
return this._applyModification(lighten, arguments);
},
brighten: function() {
return this._applyModification(brighten, arguments);
},
darken: function() {
return this._applyModification(darken, arguments);
},
desaturate: function() {
return this._applyModification(desaturate, arguments);
},
saturate: function() {
return this._applyModification(saturate, arguments);
},
greyscale: function() {
return this._applyModification(greyscale, arguments);
},
spin: function() {
return this._applyModification(spin, arguments);
},
_applyCombination: function(fn, args) {
return fn.apply(null, [this].concat([].slice.call(args)));
},
analogous: function() {
return this._applyCombination(analogous, arguments);
},
complement: function() {
return this._applyCombination(complement, arguments);
},
monochromatic: function() {
return this._applyCombination(monochromatic, arguments);
},
splitcomplement: function() {
return this._applyCombination(splitcomplement, arguments);
},
triad: function() {
return this._applyCombination(triad, arguments);
},
tetrad: function() {
return this._applyCombination(tetrad, arguments);
}
};
// If input is an object, force 1 into "1.0" to handle ratios properly
// String input requires "1.0" as input, so 1 will be treated as 1
tinycolor.fromRatio = function(color, opts) {
if (typeof color == "object") {
var newColor = {};
for (var i in color) {
if (color.hasOwnProperty(i)) {
if (i === "a") {
newColor[i] = color[i];
}
else {
newColor[i] = convertToPercentage(color[i]);
}
}
}
color = newColor;
}
return tinycolor(color, opts);
};
// Given a string or object, convert that input to RGB
// Possible string inputs:
//
// "red"
// "#f00" or "f00"
// "#ff0000" or "ff0000"
// "#ff000000" or "ff000000"
// "rgb 255 0 0" or "rgb (255, 0, 0)"
// "rgb 1.0 0 0" or "rgb (1, 0, 0)"
// "rgba (255, 0, 0, 1)" or "rgba 255, 0, 0, 1"
// "rgba (1.0, 0, 0, 1)" or "rgba 1.0, 0, 0, 1"
// "hsl(0, 100%, 50%)" or "hsl 0 100% 50%"
// "hsla(0, 100%, 50%, 1)" or "hsla 0 100% 50%, 1"
// "hsv(0, 100%, 100%)" or "hsv 0 100% 100%"
//
function inputToRGB(color) {
var rgb = { r: 0, g: 0, b: 0 };
var a = 1;
var s = null;
var v = null;
var l = null;
var ok = false;
var format = false;
if (typeof color == "string") {
color = stringInputToObject(color);
}
if (typeof color == "object") {
if (isValidCSSUnit(color.r) && isValidCSSUnit(color.g) && isValidCSSUnit(color.b)) {
rgb = rgbToRgb(color.r, color.g, color.b);
ok = true;
format = String(color.r).substr(-1) === "%" ? "prgb" : "rgb";
}
else if (isValidCSSUnit(color.h) && isValidCSSUnit(color.s) && isValidCSSUnit(color.v)) {
s = convertToPercentage(color.s);
v = convertToPercentage(color.v);
rgb = hsvToRgb(color.h, s, v);
ok = true;
format = "hsv";
}
else if (isValidCSSUnit(color.h) && isValidCSSUnit(color.s) && isValidCSSUnit(color.l)) {
s = convertToPercentage(color.s);
l = convertToPercentage(color.l);
rgb = hslToRgb(color.h, s, l);
ok = true;
format = "hsl";
}
if (color.hasOwnProperty("a")) {
a = color.a;
}
}
a = boundAlpha(a);
return {
ok: ok,
format: color.format || format,
r: mathMin(255, mathMax(rgb.r, 0)),
g: mathMin(255, mathMax(rgb.g, 0)),
b: mathMin(255, mathMax(rgb.b, 0)),
a: a
};
}
// Conversion Functions
// --------------------
// `rgbToHsl`, `rgbToHsv`, `hslToRgb`, `hsvToRgb` modified from:
// <http://mjijackson.com/2008/02/rgb-to-hsl-and-rgb-to-hsv-color-model-conversion-algorithms-in-javascript>
// `rgbToRgb`
// Handle bounds / percentage checking to conform to CSS color spec
// <http://www.w3.org/TR/css3-color/>
// *Assumes:* r, g, b in [0, 255] or [0, 1]
// *Returns:* { r, g, b } in [0, 255]
function rgbToRgb(r, g, b){
return {
r: bound01(r, 255) * 255,
g: bound01(g, 255) * 255,
b: bound01(b, 255) * 255
};
}
// `rgbToHsl`
// Converts an RGB color value to HSL.
// *Assumes:* r, g, and b are contained in [0, 255] or [0, 1]
// *Returns:* { h, s, l } in [0,1]
function rgbToHsl(r, g, b) {
r = bound01(r, 255);
g = bound01(g, 255);
b = bound01(b, 255);
var max = mathMax(r, g, b), min = mathMin(r, g, b);
var h, s, l = (max + min) / 2;
if(max == min) {
h = s = 0; // achromatic
}
else {
var d = max - min;
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
switch(max) {
case r: h = (g - b) / d + (g < b ? 6 : 0); break;
case g: h = (b - r) / d + 2; break;
case b: h = (r - g) / d + 4; break;
}
h /= 6;
}
return { h: h, s: s, l: l };
}
// `hslToRgb`
// Converts an HSL color value to RGB.
// *Assumes:* h is contained in [0, 1] or [0, 360] and s and l are contained [0, 1] or [0, 100]
// *Returns:* { r, g, b } in the set [0, 255]
function hslToRgb(h, s, l) {
var r, g, b;
h = bound01(h, 360);
s = bound01(s, 100);
l = bound01(l, 100);
function hue2rgb(p, q, t) {
if(t < 0) t += 1;
if(t > 1) t -= 1;
if(t < 1/6) return p + (q - p) * 6 * t;
if(t < 1/2) return q;
if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
return p;
}
if(s === 0) {
r = g = b = l; // achromatic
}
else {
var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
var p = 2 * l - q;
r = hue2rgb(p, q, h + 1/3);
g = hue2rgb(p, q, h);
b = hue2rgb(p, q, h - 1/3);
}
return { r: r * 255, g: g * 255, b: b * 255 };
}
// `rgbToHsv`
// Converts an RGB color value to HSV
// *Assumes:* r, g, and b are contained in the set [0, 255] or [0, 1]
// *Returns:* { h, s, v } in [0,1]
function rgbToHsv(r, g, b) {
r = bound01(r, 255);
g = bound01(g, 255);
b = bound01(b, 255);
var max = mathMax(r, g, b), min = mathMin(r, g, b);
var h, s, v = max;
var d = max - min;
s = max === 0 ? 0 : d / max;
if(max == min) {
h = 0; // achromatic
}
else {
switch(max) {
case r: h = (g - b) / d + (g < b ? 6 : 0); break;
case g: h = (b - r) / d + 2; break;
case b: h = (r - g) / d + 4; break;
}
h /= 6;
}
return { h: h, s: s, v: v };
}
// `hsvToRgb`
// Converts an HSV color value to RGB.
// *Assumes:* h is contained in [0, 1] or [0, 360] and s and v are contained in [0, 1] or [0, 100]
// *Returns:* { r, g, b } in the set [0, 255]
function hsvToRgb(h, s, v) {
h = bound01(h, 360) * 6;
s = bound01(s, 100);
v = bound01(v, 100);
var i = Math.floor(h),
f = h - i,
p = v * (1 - s),
q = v * (1 - f * s),
t = v * (1 - (1 - f) * s),
mod = i % 6,
r = [v, q, p, p, t, v][mod],
g = [t, v, v, q, p, p][mod],
b = [p, p, t, v, v, q][mod];
return { r: r * 255, g: g * 255, b: b * 255 };
}
// `rgbToHex`
// Converts an RGB color to hex
// Assumes r, g, and b are contained in the set [0, 255]
// Returns a 3 or 6 character hex
function rgbToHex(r, g, b, allow3Char) {
var hex = [
pad2(mathRound(r).toString(16)),
pad2(mathRound(g).toString(16)),
pad2(mathRound(b).toString(16))
];
// Return a 3 character hex if possible
if (allow3Char && hex[0].charAt(0) == hex[0].charAt(1) && hex[1].charAt(0) == hex[1].charAt(1) && hex[2].charAt(0) == hex[2].charAt(1)) {
return hex[0].charAt(0) + hex[1].charAt(0) + hex[2].charAt(0);
}
return hex.join("");
}
// `rgbaToHex`
// Converts an RGBA color plus alpha transparency to hex
// Assumes r, g, b are contained in the set [0, 255] and
// a in [0, 1]. Returns a 4 or 8 character rgba hex
function rgbaToHex(r, g, b, a, allow4Char) {
var hex = [
pad2(mathRound(r).toString(16)),
pad2(mathRound(g).toString(16)),
pad2(mathRound(b).toString(16)),
pad2(convertDecimalToHex(a))
];
// Return a 4 character hex if possible
if (allow4Char && hex[0].charAt(0) == hex[0].charAt(1) && hex[1].charAt(0) == hex[1].charAt(1) && hex[2].charAt(0) == hex[2].charAt(1) && hex[3].charAt(0) == hex[3].charAt(1)) {
return hex[0].charAt(0) + hex[1].charAt(0) + hex[2].charAt(0) + hex[3].charAt(0);
}
return hex.join("");
}
// `rgbaToArgbHex`
// Converts an RGBA color to an ARGB Hex8 string
// Rarely used, but required for "toFilter()"
function rgbaToArgbHex(r, g, b, a) {
var hex = [
pad2(convertDecimalToHex(a)),
pad2(mathRound(r).toString(16)),
pad2(mathRound(g).toString(16)),
pad2(mathRound(b).toString(16))
];
return hex.join("");
}
// `equals`
// Can be called with any tinycolor input
tinycolor.equals = function (color1, color2) {
if (!color1 || !color2) { return false; }
return tinycolor(color1).toRgbString() == tinycolor(color2).toRgbString();
};
tinycolor.random = function() {
return tinycolor.fromRatio({
r: mathRandom(),
g: mathRandom(),
b: mathRandom()
});
};
// Modification Functions
// ----------------------
// Thanks to less.js for some of the basics here
// <https://github.com/cloudhead/less.js/blob/master/lib/less/functions.js>
function desaturate(color, amount) {
amount = (amount === 0) ? 0 : (amount || 10);
var hsl = tinycolor(color).toHsl();
hsl.s -= amount / 100;
hsl.s = clamp01(hsl.s);
return tinycolor(hsl);
}
function saturate(color, amount) {
amount = (amount === 0) ? 0 : (amount || 10);
var hsl = tinycolor(color).toHsl();
hsl.s += amount / 100;
hsl.s = clamp01(hsl.s);
return tinycolor(hsl);
}
function greyscale(color) {
return tinycolor(color).desaturate(100);
}
function lighten (color, amount) {
amount = (amount === 0) ? 0 : (amount || 10);
var hsl = tinycolor(color).toHsl();
hsl.l += amount / 100;
hsl.l = clamp01(hsl.l);
return tinycolor(hsl);
}
function brighten(color, amount) {
amount = (amount === 0) ? 0 : (amount || 10);
var rgb = tinycolor(color).toRgb();
rgb.r = mathMax(0, mathMin(255, rgb.r - mathRound(255 * - (amount / 100))));
rgb.g = mathMax(0, mathMin(255, rgb.g - mathRound(255 * - (amount / 100))));
rgb.b = mathMax(0, mathMin(255, rgb.b - mathRound(255 * - (amount / 100))));
return tinycolor(rgb);
}
function darken (color, amount) {
amount = (amount === 0) ? 0 : (amount || 10);
var hsl = tinycolor(color).toHsl();
hsl.l -= amount / 100;
hsl.l = clamp01(hsl.l);
return tinycolor(hsl);
}
// Spin takes a positive or negative amount within [-360, 360] indicating the change of hue.
// Values outside of this range will be wrapped into this range.
function spin(color, amount) {
var hsl = tinycolor(color).toHsl();
var hue = (hsl.h + amount) % 360;
hsl.h = hue < 0 ? 360 + hue : hue;
return tinycolor(hsl);
}
// Combination Functions
// ---------------------
// Thanks to jQuery xColor for some of the ideas behind these
// <https://github.com/infusion/jQuery-xcolor/blob/master/jquery.xcolor.js>
function complement(color) {
var hsl = tinycolor(color).toHsl();
hsl.h = (hsl.h + 180) % 360;
return tinycolor(hsl);
}
function triad(color) {
var hsl = tinycolor(color).toHsl();
var h = hsl.h;
return [
tinycolor(color),
tinycolor({ h: (h + 120) % 360, s: hsl.s, l: hsl.l }),
tinycolor({ h: (h + 240) % 360, s: hsl.s, l: hsl.l })
];
}
function tetrad(color) {
var hsl = tinycolor(color).toHsl();
var h = hsl.h;
return [
tinycolor(color),
tinycolor({ h: (h + 90) % 360, s: hsl.s, l: hsl.l }),
tinycolor({ h: (h + 180) % 360, s: hsl.s, l: hsl.l }),
tinycolor({ h: (h + 270) % 360, s: hsl.s, l: hsl.l })
];
}
function splitcomplement(color) {
var hsl = tinycolor(color).toHsl();
var h = hsl.h;
return [
tinycolor(color),
tinycolor({ h: (h + 72) % 360, s: hsl.s, l: hsl.l}),
tinycolor({ h: (h + 216) % 360, s: hsl.s, l: hsl.l})
];
}
function analogous(color, results, slices) {
results = results || 6;
slices = slices || 30;
var hsl = tinycolor(color).toHsl();
var part = 360 / slices;
var ret = [tinycolor(color)];
for (hsl.h = ((hsl.h - (part * results >> 1)) + 720) % 360; --results; ) {
hsl.h = (hsl.h + part) % 360;
ret.push(tinycolor(hsl));
}
return ret;
}
function monochromatic(color, results) {
results = results || 6;
var hsv = tinycolor(color).toHsv();
var h = hsv.h, s = hsv.s, v = hsv.v;
var ret = [];
var modification = 1 / results;
while (results--) {
ret.push(tinycolor({ h: h, s: s, v: v}));
v = (v + modification) % 1;
}
return ret;
}
// Utility Functions
// ---------------------
tinycolor.mix = function(color1, color2, amount) {
amount = (amount === 0) ? 0 : (amount || 50);
var rgb1 = tinycolor(color1).toRgb();
var rgb2 = tinycolor(color2).toRgb();
var p = amount / 100;
var rgba = {
r: ((rgb2.r - rgb1.r) * p) + rgb1.r,
g: ((rgb2.g - rgb1.g) * p) + rgb1.g,
b: ((rgb2.b - rgb1.b) * p) + rgb1.b,
a: ((rgb2.a - rgb1.a) * p) + rgb1.a
};
return tinycolor(rgba);
};
// Readability Functions
// ---------------------
// <http://www.w3.org/TR/2008/REC-WCAG20-20081211/#contrast-ratiodef (WCAG Version 2)
// `contrast`
// Analyze the 2 colors and returns the color contrast defined by (WCAG Version 2)
tinycolor.readability = function(color1, color2) {
var c1 = tinycolor(color1);
var c2 = tinycolor(color2);
return (Math.max(c1.getLuminance(),c2.getLuminance())+0.05) / (Math.min(c1.getLuminance(),c2.getLuminance())+0.05);
};
// `isReadable`
// Ensure that foreground and background color combinations meet WCAG2 guidelines.
// The third argument is an optional Object.
// the 'level' property states 'AA' or 'AAA' - if missing or invalid, it defaults to 'AA';
// the 'size' property states 'large' or 'small' - if missing or invalid, it defaults to 'small'.
// If the entire object is absent, isReadable defaults to {level:"AA",size:"small"}.
// *Example*
// tinycolor.isReadable("#000", "#111") => false
// tinycolor.isReadable("#000", "#111",{level:"AA",size:"large"}) => false
tinycolor.isReadable = function(color1, color2, wcag2) {
var readability = tinycolor.readability(color1, color2);
var wcag2Parms, out;
out = false;
wcag2Parms = validateWCAG2Parms(wcag2);
switch (wcag2Parms.level + wcag2Parms.size) {
case "AAsmall":
case "AAAlarge":
out = readability >= 4.5;
break;
case "AAlarge":
out = readability >= 3;
break;
case "AAAsmall":
out = readability >= 7;
break;
}
return out;
};
// `mostReadable`
// Given a base color and a list of possible foreground or background
// colors for that base, returns the most readable color.
// Optionally returns Black or White if the most readable color is unreadable.
// *Example*
// tinycolor.mostReadable(tinycolor.mostReadable("#123", ["#124", "#125"],{includeFallbackColors:false}).toHexString(); // "#112255"
// tinycolor.mostReadable(tinycolor.mostReadable("#123", ["#124", "#125"],{includeFallbackColors:true}).toHexString(); // "#ffffff"
// tinycolor.mostReadable("#a8015a", ["#faf3f3"],{includeFallbackColors:true,level:"AAA",size:"large"}).toHexString(); // "#faf3f3"
// tinycolor.mostReadable("#a8015a", ["#faf3f3"],{includeFallbackColors:true,level:"AAA",size:"small"}).toHexString(); // "#ffffff"
tinycolor.mostReadable = function(baseColor, colorList, args) {
var bestColor = null;
var bestScore = 0;
var readability;
var includeFallbackColors, level, size ;
args = args || {};
includeFallbackColors = args.includeFallbackColors ;
level = args.level;
size = args.size;
for (var i= 0; i < colorList.length ; i++) {
readability = tinycolor.readability(baseColor, colorList[i]);
if (readability > bestScore) {
bestScore = readability;
bestColor = tinycolor(colorList[i]);
}
}
if (tinycolor.isReadable(baseColor, bestColor, {"level":level,"size":size}) || !includeFallbackColors) {
return bestColor;
}
else {
args.includeFallbackColors=false;
return tinycolor.mostReadable(baseColor,["#fff", "#000"],args);
}
};
// Big List of Colors
// ------------------
// <http://www.w3.org/TR/css3-color/#svg-color>
var names = tinycolor.names = {
aliceblue: "f0f8ff",
antiquewhite: "faebd7",
aqua: "0ff",
aquamarine: "7fffd4",
azure: "f0ffff",
beige: "f5f5dc",
bisque: "ffe4c4",
black: "000",
blanchedalmond: "ffebcd",
blue: "00f",
blueviolet: "8a2be2",
brown: "a52a2a",
burlywood: "deb887",
burntsienna: "ea7e5d",
cadetblue: "5f9ea0",
chartreuse: "7fff00",
chocolate: "d2691e",
coral: "ff7f50",
cornflowerblue: "6495ed",
cornsilk: "fff8dc",
crimson: "dc143c",
cyan: "0ff",
darkblue: "00008b",
darkcyan: "008b8b",
darkgoldenrod: "b8860b",
darkgray: "a9a9a9",
darkgreen: "006400",
darkgrey: "a9a9a9",
darkkhaki: "bdb76b",
darkmagenta: "8b008b",
darkolivegreen: "556b2f",
darkorange: "ff8c00",
darkorchid: "9932cc",
darkred: "8b0000",
darksalmon: "e9967a",
darkseagreen: "8fbc8f",
darkslateblue: "483d8b",
darkslategray: "2f4f4f",
darkslategrey: "2f4f4f",
darkturquoise: "00ced1",
darkviolet: "9400d3",
deeppink: "ff1493",
deepskyblue: "00bfff",
dimgray: "696969",
dimgrey: "696969",
dodgerblue: "1e90ff",
firebrick: "b22222",
floralwhite: "fffaf0",
forestgreen: "228b22",
fuchsia: "f0f",
gainsboro: "dcdcdc",
ghostwhite: "f8f8ff",
gold: "ffd700",
goldenrod: "daa520",
gray: "808080",
green: "008000",
greenyellow: "adff2f",
grey: "808080",
honeydew: "f0fff0",
hotpink: "ff69b4",
indianred: "cd5c5c",
indigo: "4b0082",
ivory: "fffff0",
khaki: "f0e68c",
lavender: "e6e6fa",
lavenderblush: "fff0f5",
lawngreen: "7cfc00",
lemonchiffon: "fffacd",
lightblue: "add8e6",
lightcoral: "f08080",
lightcyan: "e0ffff",
lightgoldenrodyellow: "fafad2",
lightgray: "d3d3d3",
lightgreen: "90ee90",
lightgrey: "d3d3d3",
lightpink: "ffb6c1",
lightsalmon: "ffa07a",
lightseagreen: "20b2aa",
lightskyblue: "87cefa",
lightslategray: "789",
lightslategrey: "789",
lightsteelblue: "b0c4de",
lightyellow: "ffffe0",
lime: "0f0",
limegreen: "32cd32",
linen: "faf0e6",
magenta: "f0f",
maroon: "800000",
mediumaquamarine: "66cdaa",
mediumblue: "0000cd",
mediumorchid: "ba55d3",
mediumpurple: "9370db",
mediumseagreen: "3cb371",
mediumslateblue: "7b68ee",
mediumspringgreen: "00fa9a",
mediumturquoise: "48d1cc",
mediumvioletred: "c71585",
midnightblue: "191970",
mintcream: "f5fffa",
mistyrose: "ffe4e1",
moccasin: "ffe4b5",
navajowhite: "ffdead",
navy: "000080",
oldlace: "fdf5e6",
olive: "808000",
olivedrab: "6b8e23",
orange: "ffa500",
orangered: "ff4500",
orchid: "da70d6",
palegoldenrod: "eee8aa",
palegreen: "98fb98",
paleturquoise: "afeeee",
palevioletred: "db7093",
papayawhip: "ffefd5",
peachpuff: "ffdab9",
peru: "cd853f",
pink: "ffc0cb",
plum: "dda0dd",
powderblue: "b0e0e6",
purple: "800080",
rebeccapurple: "663399",
red: "f00",
rosybrown: "bc8f8f",
royalblue: "4169e1",
saddlebrown: "8b4513",
salmon: "fa8072",
sandybrown: "f4a460",
seagreen: "2e8b57",
seashell: "fff5ee",
sienna: "a0522d",
silver: "c0c0c0",
skyblue: "87ceeb",
slateblue: "6a5acd",
slategray: "708090",
slategrey: "708090",
snow: "fffafa",
springgreen: "00ff7f",
steelblue: "4682b4",
tan: "d2b48c",
teal: "008080",
thistle: "d8bfd8",
tomato: "ff6347",
turquoise: "40e0d0",
violet: "ee82ee",
wheat: "f5deb3",
white: "fff",
whitesmoke: "f5f5f5",
yellow: "ff0",
yellowgreen: "9acd32"
};
// Make it easy to access colors via `hexNames[hex]`
var hexNames = tinycolor.hexNames = flip(names);
// Utilities
// ---------
// `{ 'name1': 'val1' }` becomes `{ 'val1': 'name1' }`
function flip(o) {
var flipped = { };
for (var i in o) {
if (o.hasOwnProperty(i)) {
flipped[o[i]] = i;
}
}
return flipped;
}
// Return a valid alpha value [0,1] with all invalid values being set to 1
function boundAlpha(a) {
a = parseFloat(a);
if (isNaN(a) || a < 0 || a > 1) {
a = 1;
}
return a;
}
// Take input from [0, n] and return it as [0, 1]
function bound01(n, max) {
if (isOnePointZero(n)) { n = "100%"; }
var processPercent = isPercentage(n);
n = mathMin(max, mathMax(0, parseFloat(n)));
// Automatically convert percentage into number
if (processPercent) {
n = parseInt(n * max, 10) / 100;
}
// Handle floating point rounding errors
if ((Math.abs(n - max) < 0.000001)) {
return 1;
}
// Convert into [0, 1] range if it isn't already
return (n % max) / parseFloat(max);
}
// Force a number between 0 and 1
function clamp01(val) {
return mathMin(1, mathMax(0, val));
}
// Parse a base-16 hex value into a base-10 integer
function parseIntFromHex(val) {
return parseInt(val, 16);
}
// Need to handle 1.0 as 100%, since once it is a number, there is no difference between it and 1
// <http://stackoverflow.com/questions/7422072/javascript-how-to-detect-number-as-a-decimal-including-1-0>
function isOnePointZero(n) {
return typeof n == "string" && n.indexOf('.') != -1 && parseFloat(n) === 1;
}
// Check to see if string passed in is a percentage
function isPercentage(n) {
return typeof n === "string" && n.indexOf('%') != -1;
}
// Force a hex value to have 2 characters
function pad2(c) {
return c.length == 1 ? '0' + c : '' + c;
}
// Replace a decimal with it's percentage value
function convertToPercentage(n) {
if (n <= 1) {
n = (n * 100) + "%";
}
return n;
}
// Converts a decimal to a hex value
function convertDecimalToHex(d) {
return Math.round(parseFloat(d) * 255).toString(16);
}
// Converts a hex value to a decimal
function convertHexToDecimal(h) {
return (parseIntFromHex(h) / 255);
}
var matchers = (function() {
// <http://www.w3.org/TR/css3-values/#integers>
var CSS_INTEGER = "[-\\+]?\\d+%?";
// <http://www.w3.org/TR/css3-values/#number-value>
var CSS_NUMBER = "[-\\+]?\\d*\\.\\d+%?";
// Allow positive/negative integer/number. Don't capture the either/or, just the entire outcome.
var CSS_UNIT = "(?:" + CSS_NUMBER + ")|(?:" + CSS_INTEGER + ")";
// Actual matching.
// Parentheses and commas are optional, but not required.
// Whitespace can take the place of commas or opening paren
var PERMISSIVE_MATCH3 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
var PERMISSIVE_MATCH4 = "[\\s|\\(]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")[,|\\s]+(" + CSS_UNIT + ")\\s*\\)?";
return {
CSS_UNIT: new RegExp(CSS_UNIT),
rgb: new RegExp("rgb" + PERMISSIVE_MATCH3),
rgba: new RegExp("rgba" + PERMISSIVE_MATCH4),
hsl: new RegExp("hsl" + PERMISSIVE_MATCH3),
hsla: new RegExp("hsla" + PERMISSIVE_MATCH4),
hsv: new RegExp("hsv" + PERMISSIVE_MATCH3),
hsva: new RegExp("hsva" + PERMISSIVE_MATCH4),
hex3: /^#?([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
hex6: /^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/,
hex4: /^#?([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})([0-9a-fA-F]{1})$/,
hex8: /^#?([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})([0-9a-fA-F]{2})$/
};
})();
// `isValidCSSUnit`
// Take in a single string / number and check to see if it looks like a CSS unit
// (see `matchers` above for definition).
function isValidCSSUnit(color) {
return !!matchers.CSS_UNIT.exec(color);
}
// `stringInputToObject`
// Permissive string parsing. Take in a number of formats, and output an object
// based on detected format. Returns `{ r, g, b }` or `{ h, s, l }` or `{ h, s, v}`
function stringInputToObject(color) {
color = color.replace(trimLeft,'').replace(trimRight, '').toLowerCase();
var named = false;
if (names[color]) {
color = names[color];
named = true;
}
else if (color == 'transparent') {
return { r: 0, g: 0, b: 0, a: 0, format: "name" };
}
// Try to match string input using regular expressions.
// Keep most of the number bounding out of this function - don't worry about [0,1] or [0,100] or [0,360]
// Just return an object and let the conversion functions handle that.
// This way the result will be the same whether the tinycolor is initialized with string or object.
var match;
if ((match = matchers.rgb.exec(color))) {
return { r: match[1], g: match[2], b: match[3] };
}
if ((match = matchers.rgba.exec(color))) {
return { r: match[1], g: match[2], b: match[3], a: match[4] };
}
if ((match = matchers.hsl.exec(color))) {
return { h: match[1], s: match[2], l: match[3] };
}
if ((match = matchers.hsla.exec(color))) {
return { h: match[1], s: match[2], l: match[3], a: match[4] };
}
if ((match = matchers.hsv.exec(color))) {
return { h: match[1], s: match[2], v: match[3] };
}
if ((match = matchers.hsva.exec(color))) {
return { h: match[1], s: match[2], v: match[3], a: match[4] };
}
if ((match = matchers.hex8.exec(color))) {
return {
r: parseIntFromHex(match[1]),
g: parseIntFromHex(match[2]),
b: parseIntFromHex(match[3]),
a: convertHexToDecimal(match[4]),
format: named ? "name" : "hex8"
};
}
if ((match = matchers.hex6.exec(color))) {
return {
r: parseIntFromHex(match[1]),
g: parseIntFromHex(match[2]),
b: parseIntFromHex(match[3]),
format: named ? "name" : "hex"
};
}
if ((match = matchers.hex4.exec(color))) {
return {
r: parseIntFromHex(match[1] + '' + match[1]),
g: parseIntFromHex(match[2] + '' + match[2]),
b: parseIntFromHex(match[3] + '' + match[3]),
a: convertHexToDecimal(match[4] + '' + match[4]),
format: named ? "name" : "hex8"
};
}
if ((match = matchers.hex3.exec(color))) {
return {
r: parseIntFromHex(match[1] + '' + match[1]),
g: parseIntFromHex(match[2] + '' + match[2]),
b: parseIntFromHex(match[3] + '' + match[3]),
format: named ? "name" : "hex"
};
}
return false;
}
function validateWCAG2Parms(parms) {
// return valid WCAG2 parms for isReadable.
// If input parms are invalid, return {"level":"AA", "size":"small"}
var level, size;
parms = parms || {"level":"AA", "size":"small"};
level = (parms.level || "AA").toUpperCase();
size = (parms.size || "small").toLowerCase();
if (level !== "AA" && level !== "AAA") {
level = "AA";
}
if (size !== "small" && size !== "large") {
size = "small";
}
return {"level":level, "size":size};
}
// Node: Export function
if (typeof module !== "undefined" && module.exports) {
module.exports = tinycolor;
}
// AMD/requirejs: Define the module
else if (typeof define === 'function' && define.amd) {
define(function () {return tinycolor;});
}
// Browser: Expose to window
else {
window.tinycolor = tinycolor;
}
})(Math);
String.prototype.hashCode = function(){
// djb2 hash algorithm
var hash = 5381;
for (i = 0; i < this.length; i++) {
char = this.charCodeAt(i);
hash = ((hash << 5) + hash) + char; /* hash * 33 + c */
}
return hash >>> 0;
};
var Color = tinycolor;
var Shuffle = window.shuffle;
var shuffle = new Shuffle(document.querySelector('.tile-container'), {
group: shuffle.ALL_ITEMS,
itemSelector: '.tile',
gutterWidth: 16,
columnWidth: 188,
buffer: 1,
delimeter: ",",
useTransforms: false,
});
var filterTiles = function(tag) {
shuffle.filter(location.hash.slice(1));
};
window.onhashchange = filterTiles;
var getUrlParts = function(baseUrl) {
var urlParts = {
domain: "",
before: "",
after: ""
};
var url = new URL(baseUrl);
var host = url.host;
urlParts.domain = host.replace(/^www\./i, "");
if (host.match(/^\d+\.\d+\.\d+\.\d+$/)) {
urlParts.domain = host;
return urlParts;
} else if (host.match(/^(\d+\.\d+\.\d+\.\d+)(:(\d+))?$/)) {
hostParts = host.match(/^(\d+\.\d+\.\d+\.\d+)(:(\d+))?$/);
urlParts.domain = hostParts[1];
urlParts.after = hostParts[3];
return urlParts;
}
var hostParts = urlParts.domain.split(".");
var longestPartIndex = 0;
for (var i = 1; i < hostParts.length - 1; i++) {
if (hostParts[i].length > hostParts[longestPartIndex].length) {
longestPartIndex = i;
}
}
urlParts.domain = hostParts[longestPartIndex];
urlParts.before = hostParts.slice(0, longestPartIndex).join(".");
urlParts.after = hostParts.slice(longestPartIndex + 1).join(".");
if(!urlParts.domain && url.pathname) {
urlParts.domain = url.pathname.split("/").filter(Boolean).pop();
}
return urlParts;
};
var fitText = function(text, boxWidth, boxHeight) {
var resizer = document.createElement("div");
resizer.style.visibility = "hidden";
resizer.style.position = "absolute";
document.body.appendChild(resizer);
var size = 40;
resizer.innerHTML = text;
resizer.style.fontSize = size;
while (resizer.offsetWidth > boxWidth) {
size = size - 1;
resizer.style.fontSize = size;
}
var textInfo = {
size: size,
width: resizer.offsetWidth,
height: resizer.offsetHeight
};
resizer.remove();
return textInfo;
};
var getTileColor = function(domain) {
var colorMap = [
"#B42424",
"#C83D1D",
"#BB7231",
"#E06B00",
"#55931F",
"#1C941B",
"#189365",
"#189196",
"#2D85A4",
"#2B6C90",
"#205396",
"#39448F",
"#55338E",
"#683089",
"#963A97",
"#A43343",
"#982F2F",
"#D30000",
"#E54C29",
"#DA7E2C",
// "#F0C92C",
"#73B43A",
"#3AB43A",
"#3AB487",
"#3AB0B4",
"#47A6C7",
"#3A88B4",
"#3A6FB4",
"#3A4AB4",
"#673AB4",
"#863AB4",
"#C846C9",
"#C44A5B",
"#AA4444",
"#E84545",
"#FF6946",
"#EC9344",
// "#F4D34F",
// "#8BD34B",
// "#4AD449",
// "#6FDFB5",
// "#45D3D9",
// "#5CC4E8",
"#3CA4DF",
"#3A83E3",
"#4056E3",
"#9058F0",
"#B467E2",
"#DF7CDF",
"#E5576B",
"#D35A5A",
// "#FF9C44",
// "#F2B722",
// "#4DCC7B",
"#3DC53D",
"#2DBBB1",
"#5E95D5",
// "#41BBF5",
"#5E5BE7",
"#1B7EFF",
"#5F74FF",
"#8A45FF",
"#B856F3",
"#DD66DD"
];
return colorMap[domain.hashCode() % colorMap.length];
};
var renderImgTile = function(tile) {
tile.innerHTML = "";
var bgColor = tile.getAttribute("data-bg-color");
if (!bgColor) {
bgColor = "rgba(255,255,255,.8)";
}
bgColor = Color(bgColor);
bgColor.setAlpha(0.8);
tile.style.backgroundColor = bgColor;
var img = new Image();
img.src = tile.getAttribute("data-img");
img.className = "logo";
tile.appendChild(img);
};
var renderPlainTile = function(tile) {
var urlParts = getUrlParts(tile.getAttribute("data-url"));
tile.innerHTML = "";
var bgColor = tile.getAttribute("data-bg-color");
if (!bgColor) {
bgColor = "rgba(255,255,255,.8)";
}
bgColor = Color(bgColor);
bgColor.setAlpha(0.8);
tile.style.backgroundColor = bgColor;
var txtColor = tile.getAttribute("data-txt-color");
if (!txtColor) {
txtColor = getTileColor(urlParts.domain);
if (bgColor.isDark()) {
tile.style.color = "white";
}
}
txtColor = Color(txtColor);
tile.style.color = txtColor;
var boxWidth = 188, boxHeight = 120;
var margin = 8;
var textInfo = fitText(urlParts.domain, boxWidth-margin*2, boxHeight);
var domainDiv = document.createElement("div");
domainDiv.style.fontSize = textInfo.size;
domainDiv.style.position = "absolute";
tile.appendChild(domainDiv);
var beforeDiv = document.createElement("div");
beforeDiv.innerHTML = urlParts.before;
// original forumla is 7/18*size-10
beforeDiv.style.top = 0.35*textInfo.size-10;
beforeDiv.className = "pre-domain";
beforeDiv.style.textShadow = "-1px 0 "+bgColor+",0 1px "+bgColor+",1px 0 "+bgColor+",0 -1px "+bgColor;
var afterDiv = document.createElement("div");
afterDiv.innerHTML = urlParts.after;
afterDiv.style.top = textInfo.size-0.05*textInfo.size;
afterDiv.className = "post-domain";
afterDiv.style.textShadow = "-1px 0 "+bgColor+",0 1px "+bgColor+",1px 0 "+bgColor+",0 -1px "+bgColor;
domainDiv.appendChild(beforeDiv);
domainDiv.append(urlParts.domain);
domainDiv.appendChild(afterDiv);
var top = (boxHeight + margin)/2 - domainDiv.clientHeight/2;
var left = (boxWidth + margin)/2 + margin - domainDiv.clientWidth/2;
domainDiv.style.top = top;
domainDiv.style.left = left;
// console.log(urlParts.domain+"="+urlParts.domain.hashCode().toString());
};
var renderTiles = function() {
var tiles = document.getElementsByClassName("tile-box");
for(var i = 0; i < tiles.length; i++)
{
try {
if (tiles.item(i).getAttribute("data-img")) {
renderImgTile(tiles.item(i));
} else {
renderPlainTile(tiles.item(i));
}
}
catch(err) {
console.log("err:"+err);
}
}
};
renderTiles();
var getBackgroundImages = function() {
var backgrounds = document.getElementsByTagName("background");
var images = [];
if (backgrounds.length > 0) {
var imgString = backgrounds[0].getAttribute("data-backgrounds");
images = imgString.split(/[\s,]+/).filter(Boolean);
}
return images;
};
var preloadBackgrounds = function() {
var images = getBackgroundImages();
for(var i = 0; i < images.length; i++)
{
// caches images, avoiding white flash between background replacements
new Image().src = images[i];
}
};
var rotateBackground = function(count) {
if (count === undefined || count === null) {
count = 0;
}
var images = getBackgroundImages();
if (images.length > 0) {
count = (count+1) % images.length;
// console.log("rotating background to "+count);
document.body.style.background = 'url("' + images[count] +'")';
document.body.style.backgroundSize = "cover";
if (images.length > 1) {
setTimeout(rotateBackground.bind(null, count), 30000);
}
}
};
preloadBackgrounds();
rotateBackground();