send/app/templates/progress/index.js
2018-03-12 12:24:43 -07:00

56 lines
1.6 KiB
JavaScript

const html = require('choo/html');
const percent = require('../../utils').percent;
const radius = 73;
const oRadius = radius + 10;
const oDiameter = oRadius * 2;
const circumference = 2 * Math.PI * radius;
module.exports = function(progressRatio, indefinite = false) {
// HACK - never indefinite for MS Edge
if (/edge/i.test(navigator.userAgent)) {
indefinite = false;
}
const p = indefinite ? 0.2 : progressRatio;
const dashOffset = (1 - p) * circumference;
const progressPercent = html`
<text class="progress__percent" text-anchor="middle" x="50%" y="98">
${percent(progressRatio)}
</text>`;
return html`
<div class="progress">
<svg
width="${oDiameter}"
height="${oDiameter}"
viewPort="0 0 ${oDiameter} ${oDiameter}"
version="1.1">
<circle
class="progress__bg"
r="${radius}"
cx="${oRadius}"
cy="${oRadius}"
fill="transparent"/>
<circle
class="progress__indefinite ${indefinite ? '' : 'progress--invisible'}"
r="${radius}"
cx="${oRadius}"
cy="${oRadius}"
fill="transparent"
transform="rotate(-90 ${oRadius} ${oRadius})"
stroke-dasharray="${circumference}"
stroke-dashoffset="${dashOffset}"/>
<circle
class="progress__bar ${indefinite ? 'progress--invisible' : ''}"
r="${radius}"
cx="${oRadius}"
cy="${oRadius}"
fill="transparent"
transform="rotate(-90 ${oRadius} ${oRadius})"
stroke-dasharray="${circumference}"
stroke-dashoffset="${dashOffset}"/>
${indefinite ? '' : progressPercent}
</svg>
</div>
`;
};