519 lines
12 KiB
JavaScript
519 lines
12 KiB
JavaScript
/**
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* jQuery asPieProgress v0.4.6
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* https://github.com/amazingSurge/jquery-asPieProgress
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*
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* Copyright (c) amazingSurge
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* Released under the LGPL-3.0 license
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*/
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import $ from 'jquery';
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const SvgElement = (tag, attrs) => {
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'use strict';
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const elem = document.createElementNS('http://www.w3.org/2000/svg', tag);
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if (!attrs) {
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return elem;
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}
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for (let key in attrs) {
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if (!Object.hasOwnProperty.call(attrs, key)) {
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continue;
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}
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elem.setAttribute(key, attrs[key]);
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}
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return elem;
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};
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if (!Date.now) {
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Date.now = () => {
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'use strict';
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return new Date().getTime();
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};
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}
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const vendors = ['webkit', 'moz'];
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for (let i = 0; i < vendors.length && !window.requestAnimationFrame; ++i) {
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const vp = vendors[i];
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window.requestAnimationFrame = window[`${vp}RequestAnimationFrame`];
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window.cancelAnimationFrame = (window[`${vp}CancelAnimationFrame`] || window[`${vp}CancelRequestAnimationFrame`]);
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}
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if (/iP(ad|hone|od).*OS (6|7|8)/.test(window.navigator.userAgent) // iOS6 is buggy
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||
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!window.requestAnimationFrame || !window.cancelAnimationFrame) {
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let lastTime = 0;
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window.requestAnimationFrame = callback => {
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'use strict';
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const now = getTime();
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const nextTime = Math.max(lastTime + 16, now);
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return setTimeout(() => {
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callback(lastTime = nextTime);
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},
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nextTime - now);
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};
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window.cancelAnimationFrame = clearTimeout;
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}
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const getTime = () => {
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if (typeof window.performance !== 'undefined' && window.performance.now) {
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return window.performance.now();
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}
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return Date.now();
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};
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const isPercentage = (n) => {
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'use strict';
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return typeof n === 'string' && n.indexOf('%') !== -1;
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};
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const svgSupported = 'createElementNS' in document && new SvgElement('svg', {}).createSVGRect;
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const easingBezier = (mX1, mY1, mX2, mY2) => {
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'use strict';
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const a = (aA1, aA2) => {
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return 1.0 - 3.0 * aA2 + 3.0 * aA1;
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};
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const b = (aA1, aA2) => {
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return 3.0 * aA2 - 6.0 * aA1;
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};
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const c = (aA1) => {
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return 3.0 * aA1;
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};
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// Returns x(t) given t, x1, and x2, or y(t) given t, y1, and y2.
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const calcBezier = (aT, aA1, aA2) => {
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return ((a(aA1, aA2) * aT + b(aA1, aA2)) * aT + c(aA1)) * aT;
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};
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// Returns dx/dt given t, x1, and x2, or dy/dt given t, y1, and y2.
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const getSlope = (aT, aA1, aA2) => {
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return 3.0 * a(aA1, aA2) * aT * aT + 2.0 * b(aA1, aA2) * aT + c(aA1);
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};
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const getTForX = (aX) => {
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// Newton raphson iteration
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let aGuessT = aX;
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for (let i = 0; i < 4; ++i) {
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let currentSlope = getSlope(aGuessT, mX1, mX2);
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if (currentSlope === 0.0) {
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return aGuessT;
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}
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let currentX = calcBezier(aGuessT, mX1, mX2) - aX;
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aGuessT -= currentX / currentSlope;
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}
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return aGuessT;
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};
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if (mX1 === mY1 && mX2 === mY2) {
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return {
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css: 'linear',
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fn(aX) {
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return aX;
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}
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};
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}
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return {
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css: `cubic-bezier(${mX1},${mY1},${mX2},${mY2})`,
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fn(aX) {
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return calcBezier(getTForX(aX), mY1, mY2);
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}
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};
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};
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var EASING = {
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ease: easingBezier(0.25, 0.1, 0.25, 1.0),
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linear: easingBezier(0.00, 0.0, 1.00, 1.0),
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'ease-in': easingBezier(0.42, 0.0, 1.00, 1.0),
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'ease-out': easingBezier(0.00, 0.0, 0.58, 1.0),
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'ease-in-out': easingBezier(0.42, 0.0, 0.58, 1.0)
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};
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var DEFAULTS = {
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namespace: 'asPieProgress',
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classes: {
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svg: 'pie_progress__svg',
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element: 'pie_progress',
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number: 'pie_progress__number',
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content: 'pie_progress__content'
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},
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min: 0,
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max: 100,
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goal: 100,
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size: 160,
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speed: 15, // speed of 1/100
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barcolor: '#ef1e25',
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barsize: '4',
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trackcolor: '#f2f2f2',
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fillcolor: 'none',
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easing: 'ease',
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numberCallback(n) {
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'use strict';
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const percentage = Math.round(this.getPercentage(n));
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return `${percentage}%`;
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},
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contentCallback: null
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};
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const NAMESPACE$1 = 'asPieProgress';
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class asPieProgress {
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constructor(element, options) {
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this.element = element;
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this.$element = $(element);
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this.options = $.extend(true, {}, DEFAULTS, options, this.$element.data());
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this.namespace = this.options.namespace;
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this.classes = this.options.classes;
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this.easing = EASING[this.options.easing] || EASING.ease;
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this.$element.addClass(this.classes.element);
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this.min = this.$element.attr('aria-valuemin');
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this.max = this.$element.attr('aria-valuemax');
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this.min = this.min ? parseInt(this.min, 10) : this.options.min;
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this.max = this.max ? parseInt(this.max, 10) : this.options.max;
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this.first = this.$element.attr('aria-valuenow');
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this.first = this.first ? parseInt(this.first, 10) : (this.options.first ? this.options.first : this.min);
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this.now = this.first;
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this.goal = this.options.goal;
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this._frameId = null;
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this.initialized = false;
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this._trigger('init');
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this.init();
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}
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init() {
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this.$number = this.$element.find(`.${this.classes.number}`);
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this.$content = this.$element.find(`.${this.classes.content}`);
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this.size = this.options.size;
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this.width = this.size;
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this.height = this.size;
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this.prepare();
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this.initialized = true;
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this._trigger('ready');
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}
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prepare() {
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if (!svgSupported) {
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return;
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}
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this.svg = new SvgElement('svg', {
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version: '1.1',
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preserveAspectRatio: 'xMinYMin meet',
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viewBox: `0 0 ${this.width} ${this.height}`
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});
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this.buildTrack();
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this.buildBar();
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$(`<div class="${this.classes.svg}"></div>`).append(this.svg).appendTo(this.$element);
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}
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buildTrack() {
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const height = this.size,
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width = this.size;
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const cx = width / 2,
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cy = height / 2;
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const barsize = this.options.barsize;
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const ellipse = new SvgElement('ellipse', {
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rx: cx - barsize / 2,
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ry: cy - barsize / 2,
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cx,
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cy,
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stroke: this.options.trackcolor,
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fill: this.options.fillcolor,
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'stroke-width': barsize
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});
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this.svg.appendChild(ellipse);
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}
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buildBar() {
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if (!svgSupported) {
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return;
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}
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const path = new SvgElement('path', {
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fill: 'none',
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'stroke-width': this.options.barsize,
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stroke: this.options.barcolor
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});
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this.bar = path;
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this.svg.appendChild(path);
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this._drawBar(this.first);
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this._updateBar();
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}
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_drawBar(n) {
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if (!svgSupported) {
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return;
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}
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this.barGoal = n;
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const height = this.size,
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width = this.size;
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const cx = width / 2,
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cy = height / 2,
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startAngle = 0;
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const barsize = this.options.barsize;
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const r = Math.min(cx, cy) - barsize / 2;
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this.r = r;
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let percentage = this.getPercentage(n);
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if (percentage === 100) {
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percentage -= 0.0001;
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}
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const endAngle = startAngle + percentage * Math.PI * 2 / 100;
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const x1 = cx + r * Math.sin(startAngle),
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x2 = cx + r * Math.sin(endAngle),
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y1 = cy - r * Math.cos(startAngle),
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y2 = cy - r * Math.cos(endAngle);
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// This is a flag for angles larger than than a half circle
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// It is required by the SVG arc drawing component
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let big = 0;
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if (endAngle - startAngle > Math.PI) {
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big = 1;
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}
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// This string holds the path details
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const d = `M${x1},${y1} A${r},${r} 0 ${big} 1 ${x2},${y2}`;
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this.bar.setAttribute('d', d);
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}
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_updateBar() {
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if (!svgSupported) {
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return;
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}
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const percenage = this.getPercentage(this.now);
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const length = this.bar.getTotalLength();
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const offset = length * (1 - percenage / this.getPercentage(this.barGoal));
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this.bar.style.strokeDasharray = `${length} ${length}`;
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this.bar.style.strokeDashoffset = offset;
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}
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_trigger(eventType, ...params) {
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const data = [this].concat(params);
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// event
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this.$element.trigger(`${NAMESPACE$1}::${eventType}`, data);
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// callback
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eventType = eventType.replace(/\b\w+\b/g, (word) => {
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return word.substring(0, 1).toUpperCase() + word.substring(1);
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});
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const onFunction = `on${eventType}`;
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if (typeof this.options[onFunction] === 'function') {
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this.options[onFunction].apply(this, params);
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}
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}
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// Return the percentage based on the current step
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getPercentage(n) {
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return 100 * (n - this.min) / (this.max - this.min);
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}
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go(goal) {
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const that = this;
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this._clear();
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if (isPercentage(goal)) {
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goal = parseInt(goal.replace('%', ''), 10);
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goal = Math.round(this.min + (goal / 100) * (this.max - this.min));
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}
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if (typeof goal === 'undefined') {
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goal = this.goal;
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}
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if (goal > this.max) {
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goal = this.max;
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} else if (goal < this.min) {
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goal = this.min;
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}
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if (this.barGoal < goal) {
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this._drawBar(goal);
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}
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const start = that.now;
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const startTime = getTime();
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const endTime = startTime + Math.abs(start - goal) * 100 * that.options.speed / (that.max - that.min);
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const animation = time => {
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let next;
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if (time > endTime) {
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next = goal;
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} else {
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const distance = (time - startTime) / that.options.speed;
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next = Math.round(that.easing.fn(distance / 100) * (that.max - that.min));
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if (goal > start) {
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next = start + next;
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if (next > goal) {
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next = goal;
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}
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} else {
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next = start - next;
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if (next < goal) {
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next = goal;
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}
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}
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}
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that._update(next);
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if (next === goal) {
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window.cancelAnimationFrame(that._frameId);
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that._frameId = null;
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if (that.now === that.goal) {
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that._trigger('finish');
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}
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} else {
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that._frameId = window.requestAnimationFrame(animation);
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}
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};
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that._frameId = window.requestAnimationFrame(animation);
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}
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_update(n) {
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this.now = n;
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this._updateBar();
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this.$element.attr('aria-valuenow', this.now);
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if (this.$number.length > 0 && typeof this.options.numberCallback === 'function') {
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this.$number.html(this.options.numberCallback.call(this, [this.now]));
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}
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if (this.$content.length > 0 && typeof this.options.contentCallback === 'function') {
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this.$content.html(this.options.contentCallback.call(this, [this.now]));
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}
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this._trigger('update', n);
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}
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_clear() {
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if (this._frameId) {
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window.cancelAnimationFrame(this._frameId);
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this._frameId = null;
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}
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}
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get() {
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return this.now;
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}
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start() {
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this._clear();
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this._trigger('start');
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this.go(this.goal);
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}
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reset() {
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this._clear();
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this._drawBar(this.first);
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this._update(this.first);
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this._trigger('reset');
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}
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stop() {
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this._clear();
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this._trigger('stop');
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}
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finish() {
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this._clear();
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this._update(this.goal);
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this._trigger('finish');
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}
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destroy() {
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this.$element.data(NAMESPACE$1, null);
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this._trigger('destroy');
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}
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static registerEasing(name, ...args) {
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EASING[name] = easingBezier(...args);
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}
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static getEasing(name) {
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return EASING[name];
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}
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static setDefaults(options) {
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$.extend(true, DEFAULTS, $.isPlainObject(options) && options);
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}
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}
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var info = {
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version:'0.4.6'
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};
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const NAMESPACE = 'asPieProgress';
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const OtherAsPieProgress = $.fn.asPieProgress;
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const jQueryAsPieProgress = function(options, ...args) {
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if (typeof options === 'string') {
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const method = options;
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if (/^_/.test(method)) {
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return false;
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} else if ((/^(get)/.test(method))) {
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const instance = this.first().data(NAMESPACE);
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if (instance && typeof instance[method] === 'function') {
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return instance[method](...args);
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}
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} else {
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return this.each(function() {
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const instance = $.data(this, NAMESPACE);
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if (instance && typeof instance[method] === 'function') {
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instance[method](...args);
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}
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});
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}
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}
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return this.each(function() {
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if (!$(this).data(NAMESPACE)) {
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$(this).data(NAMESPACE, new asPieProgress(this, options));
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}
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});
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};
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$.fn.asPieProgress = jQueryAsPieProgress;
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$.asPieProgress = $.extend({
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setDefaults: asPieProgress.setDefaults,
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registerEasing: asPieProgress.registerEasing,
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getEasing: asPieProgress.getEasing,
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noConflict: function() {
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$.fn.asPieProgress = OtherAsPieProgress;
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return jQueryAsPieProgress;
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}
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}, info);
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