mirror of https://github.com/sveltejs/svelte
Rich Harris
6 years ago
committed by
GitHub
commit
a9d258b9a5
@ -0,0 +1,102 @@
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import { transitionManager, linear, generateRule, hash } from './transitions.js';
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export function wrapAnimation(node, from, fn, params) {
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if (!from) return;
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const to = node.getBoundingClientRect();
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if (from.left === to.left && from.right === to.right && from.top === to.top && from.bottom === to.bottom) return;
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const info = fn(node, { from, to }, params);
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const duration = 'duration' in info ? info.duration : 300;
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const delay = 'delay' in info ? info.delay : 0;
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const ease = info.easing || linear;
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const start = window.performance.now() + delay;
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const end = start + duration;
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const program = {
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a: 0,
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t: 0,
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b: 1,
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delta: 1,
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duration,
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start,
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end
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};
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const cssText = node.style.cssText;
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const animation = {
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pending: delay ? program : null,
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program: delay ? null : program,
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running: true,
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start() {
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if (info.css) {
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if (delay) node.style.cssText = cssText;
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const rule = generateRule(program, ease, info.css);
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program.name = `__svelte_${hash(rule)}`;
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transitionManager.addRule(rule, program.name);
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node.style.animation = (node.style.animation || '')
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.split(', ')
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.filter(anim => anim && (program.delta < 0 || !/__svelte/.test(anim)))
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.concat(`${program.name} ${program.duration}ms linear 1 forwards`)
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.join(', ');
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}
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animation.program = program;
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animation.pending = null;
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},
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update: now => {
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const p = now - program.start;
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const t = program.a + program.delta * ease(p / program.duration);
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if (info.tick) info.tick(t, 1 - t);
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},
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done() {
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if (info.tick) info.tick(1, 0);
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animation.stop();
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},
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stop() {
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if (info.css) transitionManager.deleteRule(node, program.name);
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animation.running = false;
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}
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};
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transitionManager.add(animation);
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if (info.tick) info.tick(0, 1);
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if (delay) {
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if (info.css) node.style.cssText += info.css(0, 1);
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} else {
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animation.start();
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}
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return animation;
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}
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export function fixPosition(node) {
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const style = getComputedStyle(node);
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if (style.position !== 'absolute' && style.position !== 'fixed') {
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const { width, height } = style;
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const a = node.getBoundingClientRect();
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node.style.position = 'absolute';
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node.style.width = width;
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node.style.height = height;
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const b = node.getBoundingClientRect();
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if (a.left !== b.left || a.top !== b.top) {
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const style = getComputedStyle(node);
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const transform = style.transform === 'none' ? '' : style.transform;
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node.style.transform = `${transform} translate(${a.left - b.left}px, ${a.top - b.top}px)`;
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}
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}
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}
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@ -0,0 +1,589 @@
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function noop() {}
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function assign(tar, src) {
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for (var k in src) tar[k] = src[k];
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return tar;
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}
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function appendNode(node, target) {
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target.appendChild(node);
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}
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function insertNode(node, target, anchor) {
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target.insertBefore(node, anchor);
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}
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function detachNode(node) {
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node.parentNode.removeChild(node);
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}
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function createElement(name) {
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return document.createElement(name);
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}
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function createText(data) {
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return document.createTextNode(data);
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}
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function createComment() {
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return document.createComment('');
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}
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function linear(t) {
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return t;
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}
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function generateRule({ a, b, delta, duration }, ease, fn) {
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const step = 16.666 / duration;
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let keyframes = '{\n';
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for (let p = 0; p <= 1; p += step) {
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const t = a + delta * ease(p);
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keyframes += p * 100 + `%{${fn(t, 1 - t)}}\n`;
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}
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return keyframes + `100% {${fn(b, 1 - b)}}\n}`;
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}
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// https://github.com/darkskyapp/string-hash/blob/master/index.js
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function hash(str) {
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let hash = 5381;
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let i = str.length;
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while (i--) hash = ((hash << 5) - hash) ^ str.charCodeAt(i);
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return hash >>> 0;
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}
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var transitionManager = {
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running: false,
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transitions: [],
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bound: null,
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stylesheet: null,
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activeRules: {},
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promise: null,
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add(transition) {
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this.transitions.push(transition);
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if (!this.running) {
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this.running = true;
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requestAnimationFrame(this.bound || (this.bound = this.next.bind(this)));
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}
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},
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addRule(rule, name) {
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if (!this.stylesheet) {
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const style = createElement('style');
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document.head.appendChild(style);
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transitionManager.stylesheet = style.sheet;
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}
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if (!this.activeRules[name]) {
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this.activeRules[name] = true;
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this.stylesheet.insertRule(`@keyframes ${name} ${rule}`, this.stylesheet.cssRules.length);
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}
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},
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next() {
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this.running = false;
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const now = window.performance.now();
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let i = this.transitions.length;
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while (i--) {
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const transition = this.transitions[i];
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if (transition.program && now >= transition.program.end) {
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transition.done();
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}
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if (transition.pending && now >= transition.pending.start) {
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transition.start(transition.pending);
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}
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if (transition.running) {
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transition.update(now);
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this.running = true;
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} else if (!transition.pending) {
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this.transitions.splice(i, 1);
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}
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}
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if (this.running) {
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requestAnimationFrame(this.bound);
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} else if (this.stylesheet) {
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let i = this.stylesheet.cssRules.length;
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while (i--) this.stylesheet.deleteRule(i);
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this.activeRules = {};
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}
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},
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deleteRule(node, name) {
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node.style.animation = node.style.animation
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.split(', ')
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.filter(anim => anim && anim.indexOf(name) === -1)
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.join(', ');
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},
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groupOutros() {
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this.outros = {
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remaining: 0,
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callbacks: []
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};
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},
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wait() {
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if (!transitionManager.promise) {
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transitionManager.promise = Promise.resolve();
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transitionManager.promise.then(() => {
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transitionManager.promise = null;
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});
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}
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return transitionManager.promise;
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}
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};
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function wrapAnimation(node, from, fn, params) {
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if (!from) return;
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const to = node.getBoundingClientRect();
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if (from.left === to.left && from.right === to.right && from.top === to.top && from.bottom === to.bottom) return;
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const info = fn(node, { from, to }, params);
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const duration = 'duration' in info ? info.duration : 300;
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const delay = 'delay' in info ? info.delay : 0;
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const ease = info.easing || linear;
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const start = window.performance.now() + delay;
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const end = start + duration;
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const program = {
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a: 0,
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t: 0,
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b: 1,
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delta: 1,
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duration,
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start,
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end
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};
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const cssText = node.style.cssText;
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const animation = {
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pending: delay ? program : null,
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program: delay ? null : program,
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running: true,
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start() {
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if (info.css) {
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if (delay) node.style.cssText = cssText;
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const rule = generateRule(program, ease, info.css);
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program.name = `__svelte_${hash(rule)}`;
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transitionManager.addRule(rule, program.name);
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node.style.animation = (node.style.animation || '')
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.split(', ')
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.filter(anim => anim && (program.delta < 0 || !/__svelte/.test(anim)))
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.concat(`${program.name} ${program.duration}ms linear 1 forwards`)
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.join(', ');
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}
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animation.program = program;
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animation.pending = null;
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},
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update: now => {
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const p = now - program.start;
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const t = program.a + program.delta * ease(p / program.duration);
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if (info.tick) info.tick(t, 1 - t);
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},
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done() {
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if (info.tick) info.tick(1, 0);
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animation.stop();
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},
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stop() {
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if (info.css) transitionManager.deleteRule(node, program.name);
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animation.running = false;
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}
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};
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transitionManager.add(animation);
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if (info.tick) info.tick(0, 1);
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if (delay) {
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if (info.css) node.style.cssText += info.css(0, 1);
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} else {
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animation.start();
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}
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return animation;
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}
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function fixPosition(node) {
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const style = getComputedStyle(node);
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if (style.position !== 'absolute' && style.position !== 'fixed') {
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const { width, height } = style;
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const a = node.getBoundingClientRect();
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node.style.position = 'absolute';
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node.style.width = width;
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node.style.height = height;
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const b = node.getBoundingClientRect();
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if (a.left !== b.left || a.top !== b.top) {
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const style = getComputedStyle(node);
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const transform = style.transform === 'none' ? '' : style.transform;
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node.style.transform = `${transform} translate(${a.left - b.left}px, ${a.top - b.top}px)`;
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}
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}
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}
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function destroyBlock(block, lookup) {
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block.d(1);
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lookup[block.key] = null;
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}
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function outroAndDestroyBlock(block, lookup) {
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block.o(function() {
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destroyBlock(block, lookup);
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});
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}
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function fixAndOutroAndDestroyBlock(block, lookup) {
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block.f();
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outroAndDestroyBlock(block, lookup);
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}
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function updateKeyedEach(old_blocks, component, changed, get_key, dynamic, ctx, list, lookup, node, destroy, create_each_block, intro_method, next, get_context) {
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var o = old_blocks.length;
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var n = list.length;
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var i = o;
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var old_indexes = {};
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while (i--) old_indexes[old_blocks[i].key] = i;
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var new_blocks = [];
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var new_lookup = {};
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var deltas = {};
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var i = n;
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while (i--) {
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var child_ctx = get_context(ctx, list, i);
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var key = get_key(child_ctx);
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var block = lookup[key];
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if (!block) {
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block = create_each_block(component, key, child_ctx);
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block.c();
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} else if (dynamic) {
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block.p(changed, child_ctx);
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}
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new_blocks[i] = new_lookup[key] = block;
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if (key in old_indexes) deltas[key] = Math.abs(i - old_indexes[key]);
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}
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var will_move = {};
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var did_move = {};
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function insert(block) {
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block[intro_method](node, next);
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lookup[block.key] = block;
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next = block.first;
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n--;
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}
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while (o && n) {
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var new_block = new_blocks[n - 1];
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var old_block = old_blocks[o - 1];
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var new_key = new_block.key;
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var old_key = old_block.key;
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if (new_block === old_block) {
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// do nothing
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next = new_block.first;
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o--;
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n--;
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}
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else if (!new_lookup[old_key]) {
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// remove old block
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destroy(old_block, lookup);
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o--;
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}
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else if (!lookup[new_key] || will_move[new_key]) {
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insert(new_block);
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}
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else if (did_move[old_key]) {
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o--;
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} else if (deltas[new_key] > deltas[old_key]) {
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did_move[new_key] = true;
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insert(new_block);
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} else {
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will_move[old_key] = true;
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o--;
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}
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}
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while (o--) {
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var old_block = old_blocks[o];
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if (!new_lookup[old_block.key]) destroy(old_block, lookup);
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}
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while (n) insert(new_blocks[n - 1]);
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return new_blocks;
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}
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function blankObject() {
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return Object.create(null);
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}
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function destroy(detach) {
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this.destroy = noop;
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this.fire('destroy');
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this.set = noop;
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this._fragment.d(detach !== false);
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this._fragment = null;
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this._state = {};
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}
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function _differs(a, b) {
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return a != a ? b == b : a !== b || ((a && typeof a === 'object') || typeof a === 'function');
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}
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|
||||
function fire(eventName, data) {
|
||||
var handlers =
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eventName in this._handlers && this._handlers[eventName].slice();
|
||||
if (!handlers) return;
|
||||
|
||||
for (var i = 0; i < handlers.length; i += 1) {
|
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var handler = handlers[i];
|
||||
|
||||
if (!handler.__calling) {
|
||||
handler.__calling = true;
|
||||
handler.call(this, data);
|
||||
handler.__calling = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
function get() {
|
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return this._state;
|
||||
}
|
||||
|
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function init(component, options) {
|
||||
component._handlers = blankObject();
|
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component._bind = options._bind;
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||||
|
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component.options = options;
|
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component.root = options.root || component;
|
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component.store = component.root.store || options.store;
|
||||
}
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||||
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function on(eventName, handler) {
|
||||
var handlers = this._handlers[eventName] || (this._handlers[eventName] = []);
|
||||
handlers.push(handler);
|
||||
|
||||
return {
|
||||
cancel: function() {
|
||||
var index = handlers.indexOf(handler);
|
||||
if (~index) handlers.splice(index, 1);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
function set(newState) {
|
||||
this._set(assign({}, newState));
|
||||
if (this.root._lock) return;
|
||||
this.root._lock = true;
|
||||
callAll(this.root._beforecreate);
|
||||
callAll(this.root._oncreate);
|
||||
callAll(this.root._aftercreate);
|
||||
this.root._lock = false;
|
||||
}
|
||||
|
||||
function _set(newState) {
|
||||
var oldState = this._state,
|
||||
changed = {},
|
||||
dirty = false;
|
||||
|
||||
for (var key in newState) {
|
||||
if (this._differs(newState[key], oldState[key])) changed[key] = dirty = true;
|
||||
}
|
||||
if (!dirty) return;
|
||||
|
||||
this._state = assign(assign({}, oldState), newState);
|
||||
this._recompute(changed, this._state);
|
||||
if (this._bind) this._bind(changed, this._state);
|
||||
|
||||
if (this._fragment) {
|
||||
this.fire("state", { changed: changed, current: this._state, previous: oldState });
|
||||
this._fragment.p(changed, this._state);
|
||||
this.fire("update", { changed: changed, current: this._state, previous: oldState });
|
||||
}
|
||||
}
|
||||
|
||||
function callAll(fns) {
|
||||
while (fns && fns.length) fns.shift()();
|
||||
}
|
||||
|
||||
function _mount(target, anchor) {
|
||||
this._fragment[this._fragment.i ? 'i' : 'm'](target, anchor || null);
|
||||
}
|
||||
|
||||
var proto = {
|
||||
destroy,
|
||||
get,
|
||||
fire,
|
||||
on,
|
||||
set,
|
||||
_recompute: noop,
|
||||
_set,
|
||||
_mount,
|
||||
_differs
|
||||
};
|
||||
|
||||
/* generated by Svelte vX.Y.Z */
|
||||
|
||||
function foo(node, animation, params) {
|
||||
const dx = animation.from.left - animation.to.left;
|
||||
const dy = animation.from.top - animation.to.top;
|
||||
|
||||
return {
|
||||
delay: params.delay,
|
||||
duration: 100,
|
||||
tick: (t, u) => {
|
||||
node.dx = u * dx;
|
||||
node.dy = u * dy;
|
||||
}
|
||||
};
|
||||
}
|
||||
function create_main_fragment(component, ctx) {
|
||||
var each_blocks_1 = [], each_lookup = blankObject(), each_anchor;
|
||||
|
||||
var each_value = ctx.things;
|
||||
|
||||
const get_key = ctx => ctx.thing.id;
|
||||
|
||||
for (var i = 0; i < each_value.length; i += 1) {
|
||||
let child_ctx = get_each_context(ctx, each_value, i);
|
||||
let key = get_key(child_ctx);
|
||||
each_blocks_1[i] = each_lookup[key] = create_each_block(component, key, child_ctx);
|
||||
}
|
||||
|
||||
return {
|
||||
c() {
|
||||
for (i = 0; i < each_blocks_1.length; i += 1) each_blocks_1[i].c();
|
||||
|
||||
each_anchor = createComment();
|
||||
},
|
||||
|
||||
m(target, anchor) {
|
||||
for (i = 0; i < each_blocks_1.length; i += 1) each_blocks_1[i].m(target, anchor);
|
||||
|
||||
insertNode(each_anchor, target, anchor);
|
||||
},
|
||||
|
||||
p(changed, ctx) {
|
||||
const each_value = ctx.things;
|
||||
for (let i = 0; i < each_blocks_1.length; i += 1) each_blocks_1[i].r();
|
||||
each_blocks_1 = updateKeyedEach(each_blocks_1, component, changed, get_key, 1, ctx, each_value, each_lookup, each_anchor.parentNode, fixAndOutroAndDestroyBlock, create_each_block, "m", each_anchor, get_each_context);
|
||||
for (let i = 0; i < each_blocks_1.length; i += 1) each_blocks_1[i].a();
|
||||
},
|
||||
|
||||
d(detach) {
|
||||
for (i = 0; i < each_blocks_1.length; i += 1) each_blocks_1[i].d(detach);
|
||||
|
||||
if (detach) {
|
||||
detachNode(each_anchor);
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
// (1:0) {#each things as thing (thing.id)}
|
||||
function create_each_block(component, key_1, ctx) {
|
||||
var div, text_value = ctx.thing.name, text, rect, animation;
|
||||
|
||||
return {
|
||||
key: key_1,
|
||||
|
||||
first: null,
|
||||
|
||||
c() {
|
||||
div = createElement("div");
|
||||
text = createText(text_value);
|
||||
this.first = div;
|
||||
},
|
||||
|
||||
m(target, anchor) {
|
||||
insertNode(div, target, anchor);
|
||||
appendNode(text, div);
|
||||
},
|
||||
|
||||
p(changed, ctx) {
|
||||
if ((changed.things) && text_value !== (text_value = ctx.thing.name)) {
|
||||
text.data = text_value;
|
||||
}
|
||||
},
|
||||
|
||||
r() {
|
||||
rect = div.getBoundingClientRect();
|
||||
},
|
||||
|
||||
f() {
|
||||
fixPosition(div);
|
||||
if (animation) animation.stop();
|
||||
},
|
||||
|
||||
a() {
|
||||
if (animation) animation.stop();
|
||||
animation = wrapAnimation(div, rect, foo, {});
|
||||
},
|
||||
|
||||
d(detach) {
|
||||
if (detach) {
|
||||
detachNode(div);
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
function get_each_context(ctx, list, i) {
|
||||
const child_ctx = Object.create(ctx);
|
||||
child_ctx.thing = list[i];
|
||||
child_ctx.each_value = list;
|
||||
child_ctx.thing_index = i;
|
||||
return child_ctx;
|
||||
}
|
||||
|
||||
function SvelteComponent(options) {
|
||||
init(this, options);
|
||||
this._state = assign({}, options.data);
|
||||
this._intro = true;
|
||||
|
||||
this._fragment = create_main_fragment(this, this._state);
|
||||
|
||||
if (options.target) {
|
||||
this._fragment.c();
|
||||
this._mount(options.target, options.anchor);
|
||||
}
|
||||
}
|
||||
|
||||
assign(SvelteComponent.prototype, proto);
|
||||
|
||||
export default SvelteComponent;
|
||||
@ -0,0 +1,131 @@
|
||||
/* generated by Svelte vX.Y.Z */
|
||||
import { appendNode, assign, blankObject, createComment, createElement, createText, detachNode, fixAndOutroAndDestroyBlock, fixPosition, init, insertNode, proto, updateKeyedEach, wrapAnimation } from "svelte/shared.js";
|
||||
|
||||
function foo(node, animation, params) {
|
||||
const dx = animation.from.left - animation.to.left;
|
||||
const dy = animation.from.top - animation.to.top;
|
||||
|
||||
return {
|
||||
delay: params.delay,
|
||||
duration: 100,
|
||||
tick: (t, u) => {
|
||||
node.dx = u * dx;
|
||||
node.dy = u * dy;
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
function create_main_fragment(component, ctx) {
|
||||
var each_blocks_1 = [], each_lookup = blankObject(), each_anchor;
|
||||
|
||||
var each_value = ctx.things;
|
||||
|
||||
const get_key = ctx => ctx.thing.id;
|
||||
|
||||
for (var i = 0; i < each_value.length; i += 1) {
|
||||
let child_ctx = get_each_context(ctx, each_value, i);
|
||||
let key = get_key(child_ctx);
|
||||
each_blocks_1[i] = each_lookup[key] = create_each_block(component, key, child_ctx);
|
||||
}
|
||||
|
||||
return {
|
||||
c() {
|
||||
for (i = 0; i < each_blocks_1.length; i += 1) each_blocks_1[i].c();
|
||||
|
||||
each_anchor = createComment();
|
||||
},
|
||||
|
||||
m(target, anchor) {
|
||||
for (i = 0; i < each_blocks_1.length; i += 1) each_blocks_1[i].m(target, anchor);
|
||||
|
||||
insertNode(each_anchor, target, anchor);
|
||||
},
|
||||
|
||||
p(changed, ctx) {
|
||||
const each_value = ctx.things;
|
||||
for (let i = 0; i < each_blocks_1.length; i += 1) each_blocks_1[i].r();
|
||||
each_blocks_1 = updateKeyedEach(each_blocks_1, component, changed, get_key, 1, ctx, each_value, each_lookup, each_anchor.parentNode, fixAndOutroAndDestroyBlock, create_each_block, "m", each_anchor, get_each_context);
|
||||
for (let i = 0; i < each_blocks_1.length; i += 1) each_blocks_1[i].a();
|
||||
},
|
||||
|
||||
d(detach) {
|
||||
for (i = 0; i < each_blocks_1.length; i += 1) each_blocks_1[i].d(detach);
|
||||
|
||||
if (detach) {
|
||||
detachNode(each_anchor);
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
// (1:0) {#each things as thing (thing.id)}
|
||||
function create_each_block(component, key_1, ctx) {
|
||||
var div, text_value = ctx.thing.name, text, rect, animation;
|
||||
|
||||
return {
|
||||
key: key_1,
|
||||
|
||||
first: null,
|
||||
|
||||
c() {
|
||||
div = createElement("div");
|
||||
text = createText(text_value);
|
||||
this.first = div;
|
||||
},
|
||||
|
||||
m(target, anchor) {
|
||||
insertNode(div, target, anchor);
|
||||
appendNode(text, div);
|
||||
},
|
||||
|
||||
p(changed, ctx) {
|
||||
if ((changed.things) && text_value !== (text_value = ctx.thing.name)) {
|
||||
text.data = text_value;
|
||||
}
|
||||
},
|
||||
|
||||
r() {
|
||||
rect = div.getBoundingClientRect();
|
||||
},
|
||||
|
||||
f() {
|
||||
fixPosition(div);
|
||||
if (animation) animation.stop();
|
||||
},
|
||||
|
||||
a() {
|
||||
if (animation) animation.stop();
|
||||
animation = wrapAnimation(div, rect, foo, {});
|
||||
},
|
||||
|
||||
d(detach) {
|
||||
if (detach) {
|
||||
detachNode(div);
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
function get_each_context(ctx, list, i) {
|
||||
const child_ctx = Object.create(ctx);
|
||||
child_ctx.thing = list[i];
|
||||
child_ctx.each_value = list;
|
||||
child_ctx.thing_index = i;
|
||||
return child_ctx;
|
||||
}
|
||||
|
||||
function SvelteComponent(options) {
|
||||
init(this, options);
|
||||
this._state = assign({}, options.data);
|
||||
this._intro = true;
|
||||
|
||||
this._fragment = create_main_fragment(this, this._state);
|
||||
|
||||
if (options.target) {
|
||||
this._fragment.c();
|
||||
this._mount(options.target, options.anchor);
|
||||
}
|
||||
}
|
||||
|
||||
assign(SvelteComponent.prototype, proto);
|
||||
export default SvelteComponent;
|
||||
@ -0,0 +1,23 @@
|
||||
{#each things as thing (thing.id)}
|
||||
<div animate:foo>{thing.name}</div>
|
||||
{/each}
|
||||
|
||||
<script>
|
||||
export default {
|
||||
animations: {
|
||||
foo(node, animation, params) {
|
||||
const dx = animation.from.left - animation.to.left;
|
||||
const dy = animation.from.top - animation.to.top;
|
||||
|
||||
return {
|
||||
delay: params.delay,
|
||||
duration: 100,
|
||||
tick: (t, u) => {
|
||||
node.dx = u * dx;
|
||||
node.dy = u * dy;
|
||||
}
|
||||
};
|
||||
}
|
||||
}
|
||||
};
|
||||
</script>
|
||||
@ -0,0 +1,62 @@
|
||||
export default {
|
||||
data: {
|
||||
things: [
|
||||
{ id: 1, name: 'a' },
|
||||
{ id: 2, name: 'b' },
|
||||
{ id: 3, name: 'c' },
|
||||
{ id: 4, name: 'd' },
|
||||
{ id: 5, name: 'e' }
|
||||
]
|
||||
},
|
||||
|
||||
html: `
|
||||
<div>a</div>
|
||||
<div>b</div>
|
||||
<div>c</div>
|
||||
<div>d</div>
|
||||
<div>e</div>
|
||||
`,
|
||||
|
||||
test(assert, component, target, window, raf) {
|
||||
let divs = document.querySelectorAll('div');
|
||||
divs.forEach(div => {
|
||||
div.getBoundingClientRect = function() {
|
||||
const index = [...this.parentNode.children].indexOf(this);
|
||||
const top = index * 30;
|
||||
|
||||
return {
|
||||
left: 0,
|
||||
right: 100,
|
||||
top,
|
||||
bottom: top + 20
|
||||
}
|
||||
};
|
||||
})
|
||||
|
||||
component.set({
|
||||
things: [
|
||||
{ id: 5, name: 'e' },
|
||||
{ id: 2, name: 'b' },
|
||||
{ id: 3, name: 'c' },
|
||||
{ id: 4, name: 'd' },
|
||||
{ id: 1, name: 'a' }
|
||||
]
|
||||
});
|
||||
|
||||
divs = document.querySelectorAll('div');
|
||||
assert.equal(divs[0].dy, 120);
|
||||
assert.equal(divs[4].dy, -120);
|
||||
|
||||
raf.tick(50);
|
||||
assert.equal(divs[0].dy, 108);
|
||||
assert.equal(divs[4].dy, -60);
|
||||
|
||||
raf.tick(100);
|
||||
assert.equal(divs[0].dy, 48);
|
||||
assert.equal(divs[4].dy, 0);
|
||||
|
||||
raf.tick(150);
|
||||
assert.equal(divs[0].dy, 0);
|
||||
assert.equal(divs[4].dy, 0);
|
||||
}
|
||||
};
|
||||
@ -0,0 +1,23 @@
|
||||
{#each things as thing, i (thing.id)}
|
||||
<div animate:flip="{delay: i * 10}">{thing.name}</div>
|
||||
{/each}
|
||||
|
||||
<script>
|
||||
export default {
|
||||
animations: {
|
||||
flip(node, animation, params) {
|
||||
const dx = animation.from.left - animation.to.left;
|
||||
const dy = animation.from.top - animation.to.top;
|
||||
|
||||
return {
|
||||
delay: params.delay,
|
||||
duration: 100,
|
||||
tick: (t, u) => {
|
||||
node.dx = u * dx;
|
||||
node.dy = u * dy;
|
||||
}
|
||||
};
|
||||
}
|
||||
}
|
||||
};
|
||||
</script>
|
||||
Loading…
Reference in new issue