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Fix: drop pad

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eight 2017-09-12 20:44:12 +08:00
parent 8e5ffd036f
commit 6b1d6564fb
1 changed files with 3 additions and 10 deletions
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13
js/usercss.js
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@ -72,20 +72,13 @@ var usercss = (function () {
return `rgba(${r}, ${g}, ${b}, ${a})`;
}
function pad(s) {
if (s.padStart) {
// chrome 57+
return s.padStart(2, '0');
}
return `00${s}`.slice(-2);
}
function formatHex({r, g, b, a = null}) {
const values = [r, g, b];
let hex = '#' + (0x1000000 + (r << 16) + (g << 8) + (b | 0)).toString(16).substr(1);
if (a !== null) {
values.push(Math.floor(a * 255));
hex += (0x100 + Math.floor(a * 255)).toString(16).substr(1);
}
return '#' + values.map(n => pad(n.toString(16))).join('');
return hex;
}
return {parse, format, formatHex};