lit-emojis
Version:
Web Component for animated emojis
439 lines (380 loc) • 13.8 kB
JavaScript
import { LitElement } from 'lit-element';
import { html } from 'lit-html';
import { classMap } from 'lit-html/directives/class-map';
class LitEmojis extends LitElement {
render() {
return html`
<style>
:host {
display: inline-block;
line-height: 0;
}
.feedback {
--normal: #ECEAF3;
--normal-shadow: #D9D8E3;
--normal-mouth: #9795A4;
--normal-eye: #595861;
--active: #F8DA69;
--active-shadow: #F4B555;
--active-mouth: #F05136;
--active-eye: #313036;
--active-tear: #76b5e7;
--active-shadow-angry: #e94f1d;
margin: 0;
padding: 0;
list-style: none;
display: flex;
}
.feedback li {
position: relative;
border-radius: 50%;
background: var(--sb, var(--normal));
box-shadow: inset 3px -3px 4px var(--sh, var(--normal-shadow));
transition: background .4s, box-shadow .4s, transform .3s;
-webkit-tap-highlight-color: transparent;
}
.feedback li:not(:last-child) {
margin-right: 20px;
}
.feedback li div {
width: 40px;
height: 40px;
position: relative;
transform: perspective(240px) translateZ(4px);
pointer-events: none;
}
.feedback li div svg, .feedback li div:before, .feedback li div:after {
display: block;
position: absolute;
left: var(--l, 9px);
top: var(--t, 13px);
width: var(--w, 8px);
height: var(--h, 2px);
transform: rotate(var(--r, 0deg)) scale(var(--sc, 1)) translateZ(0);
}
.feedback li div svg {
fill: none;
stroke: var(--s);
stroke-width: 2px;
stroke-linecap: round;
stroke-linejoin: round;
transition: stroke .4s;
}
.feedback li div svg.eye {
--s: var(--e, var(--normal-eye));
--t: 17px;
--w: 7px;
--h: 4px;
}
.feedback li div svg.eye.right {
--l: 23px;
}
.feedback li div svg.mouth {
--s: var(--m, var(--normal-mouth));
--l: 11px;
--t: 23px;
--w: 18px;
--h: 7px;
}
.feedback li div:before, .feedback li div:after {
content: '';
z-index: var(--zi, 1);
border-radius: var(--br, 1px);
background: var(--b, var(--e, var(--normal-eye)));
transition: background .4s;
}
.feedback li.angry {
--step-1-rx: -24deg;
--step-1-ry: 20deg;
--step-2-rx: -24deg;
--step-2-ry: -20deg;
}
.feedback li.angry div:before {
--r: 20deg;
}
.feedback li.angry div:after {
--l: 23px;
--r: -20deg;
}
.feedback li.angry div svg.eye {
stroke-dasharray: 4.55;
stroke-dashoffset: 8.15;
}
.feedback li.angry.active {
animation: angry 1s linear;
}
.feedback li.angry.active div:before {
--middle-y: -2px;
--middle-r: 22deg;
animation: toggle .8s linear forwards;
}
.feedback li.angry.active div:after {
--middle-y: 1px;
--middle-r: -18deg;
animation: toggle .8s linear forwards;
}
.feedback li.sad {
--step-1-rx: 20deg;
--step-1-ry: -12deg;
--step-2-rx: -18deg;
--step-2-ry: 14deg;
}
.feedback li.sad div:before, .feedback li.sad div:after {
--b: var(--active-tear);
--sc: 0;
--w: 5px;
--h: 5px;
--t: 15px;
--br: 50%;
}
.feedback li.sad div:after {
--l: 25px;
}
.feedback li.sad div svg.eye {
--t: 16px;
}
.feedback li.sad div svg.mouth {
--t: 24px;
stroke-dasharray: 9.5;
stroke-dashoffset: 33.25;
}
.feedback li.sad.active div:before, .feedback li.sad.active div:after {
animation: tear .6s linear forwards;
}
.feedback li.ok {
--step-1-rx: 4deg;
--step-1-ry: -22deg;
--step-1-rz: 6deg;
--step-2-rx: 4deg;
--step-2-ry: 22deg;
--step-2-rz: -6deg;
}
.feedback li.ok div:before {
--l: 12px;
--t: 17px;
--h: 4px;
--w: 4px;
--br: 50%;
box-shadow: 12px 0 0 var(--e, var(--normal-eye));
}
.feedback li.ok div:after {
--l: 13px;
--t: 26px;
--w: 14px;
--h: 2px;
--br: 1px;
--b: var(--m, var(--normal-mouth));
}
.feedback li.ok.active div:before {
--middle-s-y: .35;
animation: toggle .2s linear forwards;
}
.feedback li.ok.active div:after {
--middle-s-x: .5;
animation: toggle .7s linear forwards;
}
.feedback li.good {
--step-1-rx: -14deg;
--step-1-rz: 10deg;
--step-2-rx: 10deg;
--step-2-rz: -8deg;
}
.feedback li.good div:before {
--b: var(--m, var(--normal-mouth));
--w: 5px;
--h: 5px;
--br: 50%;
--t: 22px;
--zi: 0;
opacity: .5;
box-shadow: 16px 0 0 var(--b);
filter: blur(2px);
}
.feedback li.good div:after {
--sc: 0;
}
.feedback li.good div svg.eye {
--t: 15px;
--sc: -1;
stroke-dasharray: 4.55;
stroke-dashoffset: 8.15;
}
.feedback li.good div svg.mouth {
--t: 22px;
--sc: -1;
stroke-dasharray: 13.3;
stroke-dashoffset: 23.75;
}
.feedback li.good.active div svg.mouth {
--middle-y: 1px;
--middle-s: -1;
animation: toggle .8s linear forwards;
}
.feedback li.happy div {
--step-1-rx: 18deg;
--step-1-ry: 24deg;
--step-2-rx: 18deg;
--step-2-ry: -24deg;
}
.feedback li.happy div:before {
--sc: 0;
}
.feedback li.happy div:after {
--b: var(--m, var(--normal-mouth));
--l: 11px;
--t: 23px;
--w: 18px;
--h: 8px;
--br: 0 0 8px 8px;
}
.feedback li.happy div svg.eye {
--t: 14px;
--sc: -1;
}
.feedback li.happy.active div:after {
--middle-s-x: .95;
--middle-s-y: .75;
animation: toggle .8s linear forwards;
}
.feedback li:not(.active) {
cursor: pointer;
}
.feedback li:not(.active):active {
transform: scale(0.925);
}
.feedback li.active {
--sb: var(--active);
--sh: var(--active-shadow);
--m: var(--active-mouth);
--e: var(--active-eye);
}
.feedback li.active div {
animation: shake .8s linear forwards;
}
@keyframes shake {
30% {
transform: perspective(240px) rotateX(var(--step-1-rx, 0deg)) rotateY(var(--step-1-ry, 0deg)) rotateZ(var(--step-1-rz, 0deg)) translateZ(10px);
}
60% {
transform: perspective(240px) rotateX(var(--step-2-rx, 0deg)) rotateY(var(--step-2-ry, 0deg)) rotateZ(var(--step-2-rz, 0deg)) translateZ(10px);
}
100% {
transform: perspective(240px) translateZ(4px);
}
}
@keyframes tear {
0% {
opacity: 0;
transform: translateY(-2px) scale(0) translateZ(0);
}
50% {
transform: translateY(12px) scale(0.6, 1.2) translateZ(0);
}
20%,
80% {
opacity: 1;
}
100% {
opacity: 0;
transform: translateY(24px) translateX(4px) rotateZ(-30deg) scale(0.7, 1.1) translateZ(0);
}
}
@keyframes toggle {
50% {
transform: translateY(var(--middle-y, 0)) scale(var(--middle-s-x, var(--middle-s, 1)), var(--middle-s-y, var(--middle-s, 1))) rotate(var(--middle-r, 0deg));
}
}
@keyframes angry {
40% {
background: var(--active);
}
45% {
box-shadow: inset 3px -3px 4px var(--active-shadow), inset 0 8px 10px var(--active-shadow-angry);
}
}
</style>
<ul class="feedback" @click="${e => this._clickHandler(e)}">
<li class="angry ${classMap({ active: this.value === '1' })}" data-key="1">
<div>
<svg class="eye left">
<use xlink:href="#eye"/>
</svg>
<svg class="eye right">
<use xlink:href="#eye"/>
</svg>
<svg class="mouth">
<use xlink:href="#mouth"/>
</svg>
</div>
</li>
<li class="sad ${classMap({ active: this.value === '2' })}" data-key="2">
<div>
<svg class="eye left">
<use xlink:href="#eye"/>
</svg>
<svg class="eye right">
<use xlink:href="#eye"/>
</svg>
<svg class="mouth">
<use xlink:href="#mouth"/>
</svg>
</div>
</li>
<li class="ok ${classMap({ active: this.value === '3' })}" data-key="3">
<div></div>
</li>
<li class="good ${classMap({ active: this.value === '4' })}" data-key="4">
<div>
<svg class="eye left">
<use xlink:href="#eye"/>
</svg>
<svg class="eye right">
<use xlink:href="#eye"/>
</svg>
<svg class="mouth">
<use xlink:href="#mouth"/>
</svg>
</div>
</li>
<li class="happy ${classMap({ active: this.value === '5' })}" data-key="5">
<div>
<svg class="eye left">
<use xlink:href="#eye"/>
</svg>
<svg class="eye right">
<use xlink:href="#eye"/>
</svg>
</div>
</li>
</ul>
<svg xmlns="http://www.w3.org/2000/svg" style="display: none;">
<symbol xmlns="http://www.w3.org/2000/svg" viewBox="0 0 7 4" id="eye">
<path d="M1,1 C1.83333333,2.16666667 2.66666667,2.75 3.5,2.75 C4.33333333,2.75 5.16666667,2.16666667 6,1"></path>
</symbol>
<symbol xmlns="http://www.w3.org/2000/svg" viewBox="0 0 18 7" id="mouth">
<path d="M1,5.5 C3.66666667,2.5 6.33333333,1 9,1 C11.6666667,1 14.3333333,2.5 17,5.5"></path>
</symbol>
</svg>
`;
}
_clickHandler(e) {
const node = e.target;
if (node.nodeName === 'LI') {
this.value = node.dataset.key;
this.dispatchEvent(new CustomEvent('change', {
detail: {
value: this.value
},
bubbles: true,
cancelable: true,
composed: true
}));
}
}
static get properties() {
return {
value: { type: String }
};
}
}
window.customElements.define('lit-emojis', LitEmojis);