flipper-plugin
Version:
Flipper Desktop plugin SDK and components
55 lines • 1.45 kB
JavaScript
;
/**
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @format
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.parseColor = void 0;
function parseColor(val) {
if (typeof val === 'number') {
const a = ((val >> 24) & 0xff) / 255;
const r = (val >> 16) & 0xff;
const g = (val >> 8) & 0xff;
const b = val & 0xff;
return { a, b, g, r };
}
if (typeof val !== 'string') {
return;
}
if (val[0] !== '#') {
return;
}
// remove leading hash
val = val.slice(1);
// only allow RGB and ARGB hex values
if (val.length !== 3 && val.length !== 6 && val.length !== 8) {
return;
}
// split every 2 characters
const parts = val.match(/.{1,2}/g);
if (!parts) {
return;
}
// get the alpha value
let a = 1;
// extract alpha if passed AARRGGBB
if (val.length === 8) {
a = parseInt(parts.shift() || '0', 16) / 255;
}
const size = val.length;
const [r, g, b] = parts.map((num) => {
if (size === 3) {
return parseInt(num + num, 16);
}
else {
return parseInt(num, 16);
}
});
return { a, b, g, r };
}
exports.parseColor = parseColor;
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