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Evercoder · Mar 5, 2021 · db14c64 · db14c64
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diff --git a/benchmark/index.html b/benchmark/index.html
@@ -1,10 +1,9 @@
 <!DOCTYPE html>
 <html>
-<head>
-	<meta charset="utf-8">
-	<title>culori browser playground</title>
-	<script type="text/javascript" src='../build/culori.umd.js'></script>
-</head>
-<body>
-</body>
-</html>
+	<head>
+		<meta charset="utf-8" />
+		<title>culori browser playground</title>
+		<script type="text/javascript" src="../build/culori.umd.js"></script>
+	</head>
+	<body></body>
+</html>
diff --git a/benchmark/util/benchmark.js b/benchmark/util/benchmark.js
@@ -8,8 +8,8 @@ function endBench() {
 	return end[0] + 's ' + end[1] / 1000000 + 'ms';
 }
 
-module.exports = function(name, fn) {
+module.exports = function (name, fn) {
 	startBench();
 	fn();
 	console.log(name, endBench());
-}
+};
diff --git a/src/cubehelix/constants.js b/src/cubehelix/constants.js
@@ -1,8 +1,4 @@
-export const M = [
-	-0.14861, 1.78277,
-	-0.29227, -0.90649,
-	1.97294, 0
-];
+export const M = [-0.14861, 1.78277, -0.29227, -0.90649, 1.97294, 0];
 
 export const degToRad = Math.PI / 180;
-export const radToDeg = 180 / Math.PI;
+export const radToDeg = 180 / Math.PI;
diff --git a/src/cubehelix/convertCubehelixToRgb.js b/src/cubehelix/convertCubehelixToRgb.js
@@ -4,7 +4,7 @@ export default ({ h, s, l, alpha }) => {
 	let res = { mode: 'rgb' };
 
 	h = (h === undefined ? 0 : h + 120) * degToRad;
-	
+
 	let amp = s === undefined ? 0 : s * l * (1 - l);
 
 	let cosh = Math.cos(h);
@@ -16,4 +16,4 @@ export default ({ h, s, l, alpha }) => {
 
 	if (alpha !== undefined) res.alpha = alpha;
 	return res;
-};
+};
diff --git a/src/dlch/constants.js b/src/dlch/constants.js
@@ -1,6 +1,6 @@
 export const kE = 1;
 export const kCH = 1;
-export const θ = 26 / 180 * Math.PI;
+export const θ = (26 / 180) * Math.PI;
 export const cosθ = Math.cos(θ);
 export const sinθ = Math.sin(θ);
-export const factor = 100/Math.log(139/100); // ~ 303.67
+export const factor = 100 / Math.log(139 / 100); // ~ 303.67
diff --git a/src/dlch/convertDlabToDlch.js b/src/dlch/convertDlabToDlch.js
@@ -6,8 +6,8 @@ export default ({ l, a, b, alpha }) => {
 		mode: 'dlch',
 		l: l,
 		c: c
-	}
-	if (c) res.h = normalizeHue(Math.atan2(b, a) * 180 / Math.PI);
+	};
+	if (c) res.h = normalizeHue((Math.atan2(b, a) * 180) / Math.PI);
 	if (alpha !== undefined) res.alpha = alpha;
 	return res;
-};
+};
diff --git a/src/dlch/convertDlchToDlab.js b/src/dlch/convertDlchToDlab.js
@@ -2,9 +2,9 @@ export default ({ l, c, h, alpha }) => {
 	let res = {
 		mode: 'dlab',
 		l: l,
-		a: c === 0 ? 0 : c * Math.cos(h / 180 * Math.PI),
-		b: c === 0 ? 0 : c * Math.sin(h / 180 * Math.PI)
+		a: c === 0 ? 0 : c * Math.cos((h / 180) * Math.PI),
+		b: c === 0 ? 0 : c * Math.sin((h / 180) * Math.PI)
 	};
 	if (alpha !== undefined) res.alpha = alpha;
 	return res;
-};
+};
diff --git a/src/hsi/convertHsiToRgb.js b/src/hsi/convertHsiToRgb.js
@@ -4,49 +4,49 @@ import normalizeHue from '../util/normalizeHue';
 
 export default function ({ h, s, i, alpha }) {
 	h = normalizeHue(h);
-	let f = Math.abs(h/60 % 2 - 1);
+	let f = Math.abs(((h / 60) % 2) - 1);
 	let res;
-	switch (Math.floor(h/60)) {
-		case 0: 
+	switch (Math.floor(h / 60)) {
+		case 0:
 			res = {
-				r: i * (1 + s * (3 / (2 - f) - 1)), 
-				g: i * (1 + s * (3 * (1 - f) / (2 - f) - 1)), 
+				r: i * (1 + s * (3 / (2 - f) - 1)),
+				g: i * (1 + s * ((3 * (1 - f)) / (2 - f) - 1)),
 				b: i * (1 - s)
 			};
 			break;
-		case 1: 
+		case 1:
 			res = {
-				r: i * (1 + s * (3 * (1 - f) / (2 - f) - 1)), 
-				g: i * (1 + s * (3 / (2 - f) - 1)), 
+				r: i * (1 + s * ((3 * (1 - f)) / (2 - f) - 1)),
+				g: i * (1 + s * (3 / (2 - f) - 1)),
 				b: i * (1 - s)
 			};
 			break;
-		case 2: 
+		case 2:
 			res = {
-				r: i * (1 - s), 
-				g: i * (1 + s * (3 / (2 - f) - 1)), 
-				b: i * (1 + s * (3 * (1 - f) / (2 - f) - 1))
+				r: i * (1 - s),
+				g: i * (1 + s * (3 / (2 - f) - 1)),
+				b: i * (1 + s * ((3 * (1 - f)) / (2 - f) - 1))
 			};
 			break;
-		case 3: 
+		case 3:
 			res = {
-				r: i * (1 - s), 
-				g: i * (1 + s * (3 * (1 - f) / (2 - f) - 1)), 
+				r: i * (1 - s),
+				g: i * (1 + s * ((3 * (1 - f)) / (2 - f) - 1)),
 				b: i * (1 + s * (3 / (2 - f) - 1))
 			};
 			break;
-		case 4: 
+		case 4:
 			res = {
-				r: i * (1 + s * (3 * (1 - f) / (2 - f) - 1)), 
-				g: i * (1 - s), 
+				r: i * (1 + s * ((3 * (1 - f)) / (2 - f) - 1)),
+				g: i * (1 - s),
 				b: i * (1 + s * (3 / (2 - f) - 1))
 			};
 			break;
-		case 5: 
+		case 5:
 			res = {
-				r: i * (1 + s * (3 / (2 - f) - 1)), 
-				g: i * (1 - s), 
-				b: i * (1 + s * (3 * (1 - f) / (2 - f) - 1))
+				r: i * (1 + s * (3 / (2 - f) - 1)),
+				g: i * (1 - s),
+				b: i * (1 + s * ((3 * (1 - f)) / (2 - f) - 1))
 			};
 			break;
 		default:
@@ -56,4 +56,4 @@ export default function ({ h, s, i, alpha }) {
 	res.mode = 'rgb';
 	if (alpha !== undefined) res.alpha = alpha;
 	return res;
-}
+}
diff --git a/src/hsi/convertRgbToHsi.js b/src/hsi/convertRgbToHsi.js
@@ -1,13 +1,20 @@
 // Based on: https://en.wikipedia.org/wiki/HSL_and_HSV#Formal_derivation
 
-export default function({ r, g, b, alpha }) {
-	let M = Math.max(r, g, b), m = Math.min(r, g, b);
+export default function ({ r, g, b, alpha }) {
+	let M = Math.max(r, g, b),
+		m = Math.min(r, g, b);
 	let res = {
 		mode: 'hsi',
-		s: r + g + b === 0 ? 0 : 1 - 3 * m / (r + g + b),
+		s: r + g + b === 0 ? 0 : 1 - (3 * m) / (r + g + b),
 		i: (r + g + b) / 3
 	};
-	if (M - m !== 0) res.h = (M === r ? (g - b) / (M - m) + (g < b) * 6 : M === g ? (b - r) / (M - m) + 2 : (r - g) / (M - m) + 4) * 60;
+	if (M - m !== 0)
+		res.h =
+			(M === r
+				? (g - b) / (M - m) + (g < b) * 6
+				: M === g
+				? (b - r) / (M - m) + 2
+				: (r - g) / (M - m) + 4) * 60;
 	if (alpha !== undefined) res.alpha = alpha;
 	return res;
-}
+}
diff --git a/src/hsl/convertHslToRgb.js b/src/hsl/convertHslToRgb.js
@@ -1,21 +1,34 @@
 import normalizeHue from '../util/normalizeHue';
 // Based on: https://en.wikipedia.org/wiki/HSL_and_HSV#Converting_to_RGB
 
-export default function({ h, s, l, alpha }) {
+export default function ({ h, s, l, alpha }) {
 	h = normalizeHue(h);
 	let m1 = l + s * (l < 0.5 ? l : 1 - l);
-	let m2 = m1 - (m1 - l) * 2 * Math.abs(h/60 % 2 - 1);
+	let m2 = m1 - (m1 - l) * 2 * Math.abs(((h / 60) % 2) - 1);
 	let res;
-	switch (Math.floor(h/60)) {
-		case 0: res = { r: m1, g: m2, b: 2 * l - m1 }; break;
-		case 1: res = { r: m2, g: m1, b: 2 * l - m1 }; break;
-		case 2: res = { r: 2 * l - m1, g: m1, b: m2 }; break;
-		case 3: res = { r: 2 * l - m1, g: m2, b: m1 }; break;
-		case 4: res = { r: m2, g: 2 * l - m1, b: m1 }; break;
-		case 5: res = { r: m1, g: 2 * l - m1, b: m2 }; break;
-		default: res = { r: 2 * l - m1, g: 2 * l - m1, b: 2 * l - m1 };
+	switch (Math.floor(h / 60)) {
+		case 0:
+			res = { r: m1, g: m2, b: 2 * l - m1 };
+			break;
+		case 1:
+			res = { r: m2, g: m1, b: 2 * l - m1 };
+			break;
+		case 2:
+			res = { r: 2 * l - m1, g: m1, b: m2 };
+			break;
+		case 3:
+			res = { r: 2 * l - m1, g: m2, b: m1 };
+			break;
+		case 4:
+			res = { r: m2, g: 2 * l - m1, b: m1 };
+			break;
+		case 5:
+			res = { r: m1, g: 2 * l - m1, b: m2 };
+			break;
+		default:
+			res = { r: 2 * l - m1, g: 2 * l - m1, b: 2 * l - m1 };
 	}
 	res.mode = 'rgb';
 	if (alpha !== undefined) res.alpha = alpha;
 	return res;
-};
+}
diff --git a/src/hsl/convertRgbToHsl.js b/src/hsl/convertRgbToHsl.js
@@ -1,13 +1,20 @@
 // Based on: https://en.wikipedia.org/wiki/HSL_and_HSV#Formal_derivation
 
-export default function({ r, g, b, alpha }) {
-	let M = Math.max(r, g, b), m = Math.min(r, g, b);
+export default function ({ r, g, b, alpha }) {
+	let M = Math.max(r, g, b),
+		m = Math.min(r, g, b);
 	let res = {
 		mode: 'hsl',
 		s: M === m ? 0 : (M - m) / (1 - Math.abs(M + m - 1)),
 		l: 0.5 * (M + m)
 	};
-	if (M - m !== 0) res.h = (M === r ? (g - b) / (M - m) + (g < b) * 6 : M === g ? (b - r) / (M - m) + 2 : (r - g) / (M - m) + 4) * 60;
+	if (M - m !== 0)
+		res.h =
+			(M === r
+				? (g - b) / (M - m) + (g < b) * 6
+				: M === g
+				? (b - r) / (M - m) + 2
+				: (r - g) / (M - m) + 4) * 60;
 	if (alpha !== undefined) res.alpha = alpha;
 	return res;
-}
+}
diff --git a/src/hsl/parseHsl.js b/src/hsl/parseHsl.js
@@ -17,4 +17,4 @@ export default color => {
 		res.alpha = match[7] / 255;
 	}
 	return res;
-}
+};
diff --git a/src/hsv/convertHsvToRgb.js b/src/hsv/convertHsvToRgb.js
@@ -2,20 +2,33 @@ import normalizeHue from '../util/normalizeHue';
 
 // Based on: https://en.wikipedia.org/wiki/HSL_and_HSV#Converting_to_RGB
 
-export default function({ h, s, v, alpha }) {
+export default function ({ h, s, v, alpha }) {
 	h = normalizeHue(h);
-	let f = Math.abs(h/60 % 2 - 1);
+	let f = Math.abs(((h / 60) % 2) - 1);
 	let res;
-	switch (Math.floor(h/60)) {
-		case 0: res = { r: v, g: v * (1 - s * f), b: v * (1 - s) }; break;
-		case 1: res = { r: v * (1 - s * f), g: v, b: v * (1 - s) }; break;
-		case 2: res = { r: v * (1 - s), g: v, b: v * (1 - s * f) }; break;
-		case 3: res = { r: v * (1 - s), g: v * (1 - s * f), b: v }; break;
-		case 4: res = { r: v * (1 - s * f), g: v * (1 - s), b: v }; break;
-		case 5: res = { r: v, g: v * (1 - s), b: v * (1 - s * f) }; break;
-		default: res = { r: v * (1 - s), g: v * (1 - s), b: v * (1 - s) };
+	switch (Math.floor(h / 60)) {
+		case 0:
+			res = { r: v, g: v * (1 - s * f), b: v * (1 - s) };
+			break;
+		case 1:
+			res = { r: v * (1 - s * f), g: v, b: v * (1 - s) };
+			break;
+		case 2:
+			res = { r: v * (1 - s), g: v, b: v * (1 - s * f) };
+			break;
+		case 3:
+			res = { r: v * (1 - s), g: v * (1 - s * f), b: v };
+			break;
+		case 4:
+			res = { r: v * (1 - s * f), g: v * (1 - s), b: v };
+			break;
+		case 5:
+			res = { r: v, g: v * (1 - s), b: v * (1 - s * f) };
+			break;
+		default:
+			res = { r: v * (1 - s), g: v * (1 - s), b: v * (1 - s) };
 	}
 	res.mode = 'rgb';
 	if (alpha !== undefined) res.alpha = alpha;
 	return res;
-};
+}
diff --git a/src/hsv/convertRgbToHsv.js b/src/hsv/convertRgbToHsv.js
@@ -1,13 +1,20 @@
 // Based on: https://en.wikipedia.org/wiki/HSL_and_HSV#Formal_derivation
 
-export default function({ r, g, b, alpha }) {
-	let M = Math.max(r, g, b), m = Math.min(r, g, b);
+export default function ({ r, g, b, alpha }) {
+	let M = Math.max(r, g, b),
+		m = Math.min(r, g, b);
 	let res = {
 		mode: 'hsv',
 		s: M === 0 ? 0 : 1 - m / M,
 		v: M
 	};
-	if (M - m !== 0) res.h = (M === r ? (g - b) / (M - m) + (g < b) * 6 : M === g ? (b - r) / (M - m) + 2 : (r - g) / (M - m) + 4) * 60;
+	if (M - m !== 0)
+		res.h =
+			(M === r
+				? (g - b) / (M - m) + (g < b) * 6
+				: M === g
+				? (b - r) / (M - m) + 2
+				: (r - g) / (M - m) + 4) * 60;
 	if (alpha !== undefined) res.alpha = alpha;
 	return res;
-}
+}
diff --git a/src/hwb/convertHwbToRgb.js b/src/hwb/convertHwbToRgb.js
@@ -14,13 +14,13 @@ export default function ({ h, w, b, alpha }) {
 	// normalize w + b to 1
 	if (w + b > 1) {
 		let s = w + b;
-		w /= s; 
+		w /= s;
 		b /= s;
 	}
-	return convertHsvToRgb({ 
-		h: h, 
-		s: b === 1 ? 1 : 1 - w / (1 - b), 
+	return convertHsvToRgb({
+		h: h,
+		s: b === 1 ? 1 : 1 - w / (1 - b),
 		v: 1 - b,
 		alpha: alpha
-	}); 
-};
+	});
+}
diff --git a/src/hwb/convertRgbToHwb.js b/src/hwb/convertRgbToHwb.js
@@ -10,7 +10,7 @@
 
 import convertRgbToHsv from '../hsv/convertRgbToHsv';
 
-export default function(rgba) {
+export default function (rgba) {
 	let hsv = convertRgbToHsv(rgba);
 	if (hsv === undefined) return undefined;
 	let res = {