30 lines
929 B
JavaScript
30 lines
929 B
JavaScript
const batteryLevel = batteryPercent => ({
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"-2": "not connected",
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"-1": "charging"
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})[batteryPercent] ?? batteryPercent + "%";
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const batteryIcon = batteryPercent => ({
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"-2": "action-unavailable",
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"-1": "battery-ac-adapter"
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})[batteryPercent] ?? "audio-headphones-symbolic";
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const hex2rgb = (hex, h = hex.replace('#', '0x')) => ({ r: h >> 16 & 255, g: h >> 8 & 255, b: h & 255 });
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const rgb2Hex = rgb => "#" + ((1 << 24) + (rgb.r << 16) + (rgb.g << 8) + rgb.b).toString(16).slice(1);
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const interpolateColor = (ff, c) => {
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if(!ff) return "transparent";
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if(ff >= 1) return c.pop();
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if(ff <= 0) return c[0];
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let f = ff * (c.length - 1);
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const i = ~~f;
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f -= i;
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const [ c1, c2 ] = [ hex2rgb(c[i]), hex2rgb(c[i + 1]) ];
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return rgb2Hex({
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r: parseInt(~~(c1.r + ((c2.r - c1.r) * f)), 10),
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g: parseInt(~~(c1.g + ((c2.g - c1.g) * f)), 10),
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b: parseInt(~~(c1.b + ((c2.b - c1.b) * f)), 10)
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});
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};
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