culori - npm Package Compare versions

Comparing version 0.2.67 to 0.2.68

benchmark/package.json

@@ -9,4 +9,5 @@ {
     "d3-color": "^1.0.3",
+    "d3-interpolate": "^1.1.6",
     "tinycolor2": "^1.4.1"
   }
 }

benchmark/tests/namedcolors-parse-speed.js

 let chroma = require('chroma-js');
 let { color } = require('d3-color');
 let tinycolor = require("tinycolor2");
-let culori = require('../../../build/culori');
+let culori = require('../../build/culori');
+let benchmark = require('../util/benchmark');
 
-var start, end;
-function startBench() {
-	start = process.hrtime();
-}
-
-function endBench() {
-	end = process.hrtime(start);
-	return end[0] + 's ' + end[1] / 1000000 + 'ms';
-}
-
 let colors = Object.keys(culori.named);
 let iterations = 10000;
 
-startBench();
-for (var it = 0; it < iterations; it++) {
-	for (var i = 0; i < colors.length; i++) {
-		chroma(colors[i]);
+benchmark('chroma: chroma("colorname")', () => {
+	for (var it = 0; it < iterations; it++) {
+		for (var i = 0; i < colors.length; i++) {
+			chroma(colors[i]);
+		}
 	}
-}
-console.log('chroma: chroma("colorname")', endBench());
+});
 
-startBench();
-for (var it = 0; it < iterations; it++) {
-	for (var i = 0; i < colors.length; i++) {
-		color(colors[i]);
+benchmark('d3-color: color("colorname")', () => {
+	for (var it = 0; it < iterations; it++) {
+		for (var i = 0; i < colors.length; i++) {
+			color(colors[i]);
+		}
 	}
-}
-console.log('d3-color: color("colorname")', endBench());
+});
 
-startBench();
-for (var it = 0; it < iterations; it++) {
-	for (var i = 0; i < colors.length; i++) {
-		tinycolor(colors[i]);
+benchmark('tinycolor: tinycolor("colorname")', () => {
+	for (var it = 0; it < iterations; it++) {
+		for (var i = 0; i < colors.length; i++) {
+			tinycolor(colors[i]);
+		}
 	}
-}
-console.log('tinycolor: tinycolor("colorname")', endBench());
+});
 
-startBench();
-for (var it = 0; it < iterations; it++) {
-	for (var i = 0; i < colors.length; i++) {
-		culori(colors[i]);
+benchmark('culori: culori("colorname")', () => {
+	for (var it = 0; it < iterations; it++) {
+		for (var i = 0; i < colors.length; i++) {
+			culori(colors[i]);
+		}
 	}
-}
-console.log('culori: culori("colorname")', endBench());
+});
 

benchmark/tests/rgb-parse-speed.js

 let chroma = require('chroma-js');
 let { color } = require('d3-color');
 let tinycolor = require("tinycolor2");
-let culori = require('../../../build/culori');
+let culori = require('../../build/culori');
+let benchmark = require('../util/benchmark');
 
-let increment = 1;
+let increment = 2;
 
-var start, end;
-function startBench() {
-	start = process.hrtime();
-}
-
-function endBench() {
-	end = process.hrtime(start);
-	return end[0] + 's ' + end[1] / 1000000 + 'ms';
-}
-
-startBench();
-for (var r = 0; r <= 255; r+=increment) {
-	for (var g = 0; g <= 255; g+=increment) {
-		for (var b = 0; b <= 255; b+=increment) {
-			chroma(`rgb(${r},${g},${b})`);
+benchmark('chroma: chroma("rgb(r,g,b)")', () => {
+	for (var r = 0; r <= 255; r+=increment) {
+		for (var g = 0; g <= 255; g+=increment) {
+			for (var b = 0; b <= 255; b+=increment) {
+				chroma(`rgb(${r},${g},${b})`);
+			}
 		}
 	}
-}
-console.log('chroma: chroma("rgb(r,g,b)")', endBench());
+});
 
-startBench();
-for (var r = 0; r <= 255; r+=increment) {
-	for (var g = 0; g <= 255; g+=increment) {
-		for (var b = 0; b <= 255; b+=increment) {
-			color(`rgb(${r},${g},${b})`);
+benchmark('d3-color: color("rgb(r,g,b)")', () => {
+	for (var r = 0; r <= 255; r+=increment) {
+		for (var g = 0; g <= 255; g+=increment) {
+			for (var b = 0; b <= 255; b+=increment) {
+				color(`rgb(${r},${g},${b})`);
+			}
 		}
 	}
-}
-console.log('d3-color: color("rgb(r,g,b)")', endBench());
+});
 
-startBench();
-for (var r = 0; r <= 255; r+=increment) {
-	for (var g = 0; g <= 255; g+=increment) {
-		for (var b = 0; b <= 255; b+=increment) {
-			tinycolor(`rgb(${r},${g},${b})`);
+benchmark('tinycolor: tinycolor("rgb(r,g,b)")', () => {
+	for (var r = 0; r <= 255; r+=increment) {
+		for (var g = 0; g <= 255; g+=increment) {
+			for (var b = 0; b <= 255; b+=increment) {
+				tinycolor(`rgb(${r},${g},${b})`);
+			}
 		}
 	}
-}
-console.log('tinycolor: tinycolor("rgb(r,g,b)")', endBench());
+});
 
-startBench();
-for (var r = 0; r <= 255; r+=increment) {
-	for (var g = 0; g <= 255; g+=increment) {
-		for (var b = 0; b <= 255; b+=increment) {
-			culori(`rgb(${r},${g},${b})`);
+benchmark('culori: culori("rgb(r,g,b)")', () => {
+	for (var r = 0; r <= 255; r+=increment) {
+		for (var g = 0; g <= 255; g+=increment) {
+			for (var b = 0; b <= 255; b+=increment) {
+				culori(`rgb(${r},${g},${b})`);
+			}
 		}
 	}
-}
+});
 
-console.log('culori: culori("rgb(r,g,b)")', endBench());
-

build/culori.js

@@ -105,3 +105,3 @@ (function (global, factory) {
 
-	var css = (function () {
+	var formatter = (function () {
 		var format = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'rgb';
@@ -286,23 +286,30 @@ return function (c) {
 
-	var zip = (function (mode) {
+	var zip = (function (colors) {
+		var mode = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'rgb';
+
+
 		var channels = getModeDefinition(mode).channels;
-		return function (colors) {
-			var res = {
-				mode: mode
-			};
-			channels.forEach(function (channel) {
-				res[channel] = colors.map(function (c) {
-					return c[channel];
-				});
+		var res = {
+			mode: mode
+		};
+
+		var _loop = function _loop(i) {
+			res[channels[i]] = colors.map(function (c) {
+				return c[channels[i]];
 			});
-			return res;
 		};
+
+		for (var i = 0; i < channels.length; i++) {
+			_loop(i);
+		}
+		return res;
 	});
 
-	var linear = function linear(a, b, t) {
+	var interpolateMethodLinear = function interpolateMethodLinear(a, b, t) {
 		return a + t * (b - a);
 	};
 
-	var interpolateLinear = function interpolateLinear(arr) {
-		return function (t) {
+	var interpolateNumber = function interpolateNumber() {
+		var method = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : interpolateMethodLinear;
+		return function (arr, t) {
 			var cls = t * (arr.length - 1),
@@ -314,3 +321,3 @@ idx = Math.floor(cls),
 
-			if (a !== undefined && b !== undefined) return linear(a, b, t0);
+			if (a !== undefined && b !== undefined) return method(a, b, t0);
 			return a === undefined ? b : a;
@@ -320,4 +327,6 @@ };
 
-	var interpolateHue = function interpolateHue(arr) {
-		return function (t) {
+	var interpolateHue = function interpolateHue() {
+		var method = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : interpolateMethodLinear;
+		var useShortest = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
+		return function (arr, t) {
 			var cls = t * (arr.length - 1),
@@ -331,3 +340,3 @@ idx = Math.floor(cls),
 				a = normalizeHue(a);b = normalizeHue(b);
-				return Math.abs(b - a) > 180 ? normalizeHue(linear(a, b - 360 * Math.sign(b - a), t0)) : linear(a, b, t0);
+				return useShortest && Math.abs(b - a) > 180 ? normalizeHue(method(a, b - 360 * Math.sign(b - a), t0)) : method(a, b, t0);
 			}
@@ -338,4 +347,5 @@ return a === undefined ? b : a;
 
-	var interpolateAlpha = function interpolateAlpha(arr) {
-		return function (t) {
+	var interpolateAlpha = function interpolateAlpha() {
+		var method = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : interpolateMethodLinear;
+		return function (arr, t) {
 			var cls = t * (arr.length - 1),
@@ -348,3 +358,3 @@ idx = Math.floor(cls),
 			if (a === undefined && b === undefined || a === undefined && t0 === 0 || b === undefined && t0 === 1) return undefined;
-			return linear(a === undefined ? 1 : a, b === undefined ? 1 : b, t0);
+			return method(a === undefined ? 1 : a, b === undefined ? 1 : b, t0);
 		};
@@ -357,8 +367,5 @@ };
 
-		var zipped = zip(mode)(colors.map(converter(mode)));
+		var zipped = zip(colors.map(converter(mode)), mode);
 		interpolations = interpolations || getModeDefinition(mode).interpolate;
-		var mappings = {};
-		Object.keys(interpolations).forEach(function (k) {
-			mappings[k] = interpolations[k](zipped[k]);
-		});
+		var keys = Object.keys(interpolations);
 
@@ -369,7 +376,7 @@ return function (t) {
 			    val = void 0;
-			Object.keys(mappings).forEach(function (k) {
-				if ((val = mappings[k](t)) !== undefined) {
-					res[k] = val;
+			for (var i = 0; i < keys.length; i++) {
+				if ((val = interpolations[keys[i]](zipped[keys[i]], t)) !== undefined) {
+					res[keys[i]] = val;
 				}
-			});
+			}
 			return res;
@@ -547,6 +554,6 @@ };
 		interpolate: {
-			r: interpolateLinear,
-			g: interpolateLinear,
-			b: interpolateLinear,
-			alpha: interpolateAlpha
+			r: interpolateNumber(),
+			g: interpolateNumber(),
+			b: interpolateNumber(),
+			alpha: interpolateAlpha()
 		}
@@ -605,6 +612,6 @@ };
 		interpolate: {
-			r: interpolateLinear,
-			g: interpolateLinear,
-			b: interpolateLinear,
-			alpha: interpolateAlpha
+			r: interpolateNumber(),
+			g: interpolateNumber(),
+			b: interpolateNumber(),
+			alpha: interpolateAlpha()
 		}
@@ -708,6 +715,6 @@ };
 		interpolate: {
-			h: interpolateHue,
-			s: interpolateLinear,
-			l: interpolateLinear,
-			alpha: interpolateAlpha
+			h: interpolateHue(),
+			s: interpolateNumber(),
+			l: interpolateNumber(),
+			alpha: interpolateAlpha()
 		}
@@ -778,6 +785,6 @@ };
 		interpolate: {
-			h: interpolateHue,
-			s: interpolateLinear,
-			v: interpolateLinear,
-			alpha: interpolateAlpha
+			h: interpolateHue(),
+			s: interpolateNumber(),
+			v: interpolateNumber(),
+			alpha: interpolateAlpha()
 		}
@@ -879,6 +886,6 @@ };
 		interpolate: {
-			h: interpolateHue,
-			s: interpolateLinear,
-			i: interpolateLinear,
-			alpha: interpolateAlpha
+			h: interpolateHue(),
+			s: interpolateNumber(),
+			i: interpolateNumber(),
+			alpha: interpolateAlpha()
 		}
@@ -977,6 +984,6 @@ };
 		interpolate: {
-			h: interpolateHue,
-			w: interpolateLinear,
-			b: interpolateLinear,
-			alpha: interpolateAlpha
+			h: interpolateHue(),
+			w: interpolateNumber(),
+			b: interpolateNumber(),
+			alpha: interpolateAlpha()
 		}
@@ -1144,6 +1151,6 @@ };
 		interpolate: {
-			l: interpolateLinear,
-			a: interpolateLinear,
-			b: interpolateLinear,
-			alpha: interpolateAlpha
+			l: interpolateNumber(),
+			a: interpolateNumber(),
+			b: interpolateNumber(),
+			alpha: interpolateAlpha()
 		}
@@ -1240,6 +1247,6 @@ };
 		interpolate: {
-			h: interpolateHue,
-			c: interpolateLinear,
-			l: interpolateLinear,
-			alpha: interpolateAlpha
+			h: interpolateHue(),
+			c: interpolateNumber(),
+			l: interpolateNumber(),
+			alpha: interpolateAlpha()
 		}
@@ -1304,3 +1311,3 @@ };
 		lrgb: lrgb,
-		css: css,
+		formatter: formatter,
 		converter: converter,
@@ -1311,5 +1318,6 @@ round: round,
 		interpolate: interpolate,
-		interpolateLinear: interpolateLinear,
+		interpolateNumber: interpolateNumber,
 		interpolateAlpha: interpolateAlpha,
 		interpolateHue: interpolateHue,
+		interpolateMethodLinear: interpolateMethodLinear,
 		samples: samples,
@@ -1316,0 +1324,0 @@ defineMode: defineMode,

build/culori.min.js

@@ -1,1 +0,1 @@
-!function(r,a){"object"==typeof exports&&"undefined"!=typeof module?module.exports=a():"function"==typeof define&&define.amd?define(a):r.culori=a()}(this,function(){"use strict";var r={},a={},e=[],n=function(n){r[n.mode]=Object.assign(r[n.mode]||{},n.output),Object.keys(n.input||{}).forEach(function(a){r[a]||(r[a]={}),r[a][n.mode]=n.input[a]}),a[n.mode]=n,(n.parsers||[]).forEach(function(r){return e.push(r)})},t=function(r){return a[r]},o=function(r){for(var a=void 0,n=0,t=e.length;n<t&&void 0===(a=e[n++](r)););return a},i="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(r){return typeof r}:function(r){return r&&"function"==typeof Symbol&&r.constructor===Symbol&&r!==Symbol.prototype?"symbol":typeof r},l=Object.assign||function(r){for(var a=1;a<arguments.length;a++){var e=arguments[a];for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(r[n]=e[n])}return r},h=function(){var a=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"rgb";return 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Math.round(255*Math.max(0,Math.min(r,1)))},g={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},c=function(r){return(r%=360)<0?r+360:r},p=function(r,a,e){return 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3===e?{mode:"rgb",r:(r>>8&15|r>>4&240)/255,g:(r>>4&15|240&r)/255,b:(15&r|r<<4&240)/255}:4===e?{mode:"rgb",r:(r>>12&15|r>>8&240)/255,g:(r>>8&15|r>>4&240)/255,b:(r>>4&15|240&r)/255,alpha:(15&r|r<<4&240)/255}:6===e?{mode:"rgb",r:(r>>16&255)/255,g:(r>>8&255)/255,b:(255&r)/255}:8===e?{mode:"rgb",r:(r>>24&255)/255,g:(r>>16&255)/255,b:(r>>8&255)/255,alpha:(255&r)/255}:void 0},w=(/([+-]?\d*\.?\d+(?:[eE][+-]?\d+)?)/+"").replace(/^\/|\/$/g,""),k=w+"%",M="(?:"+w+"%|"+w+")",x="(?:"+w+"(deg|grad|rad|turn)|"+w+")",E="\\s*,\\s*",$="\\s+",j=new RegExp("^rgba?\\(\\s*"+w+E+w+E+w+"\\s*(?:,\\s*"+M+"\\s*)?\\)$"),q=new RegExp("^rgba?\\(\\s*"+k+E+k+E+k+"\\s*(?:,\\s*"+M+"\\s*)?\\)$"),R=new RegExp("^rgba?\\(\\s*"+w+$+w+$+w+"\\s*(?:\\/\\s*"+M+"\\s*)?\\)$"),O=new RegExp("^rgba?\\(\\s*"+k+$+k+$+k+"\\s*(?:\\/\\s*"+M+"\\s*)?\\)$"),z=new RegExp("^hsla?\\(\\s*"+x+E+k+E+k+"\\s*(?:,\\s*"+M+"\\s*)?\\)$"),S=new RegExp("^hsla?\\(\\s*"+x+$+k+$+k+"\\s*(?:\\/\\s*"+M+"\\s*)?\\)$"),I=/^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i,P=new RegExp("^hwb\\(\\s*"+x+$+k+$+k+"\\s*(?:\\/\\s*"+M+"\\s*)?\\)$"),L=new RegExp("^lab\\(\\s*"+w+$+w+$+w+"\\s*(?:\\/\\s*"+M+"\\s*)?\\)$"),A=new RegExp("^lch\\(\\s*"+w+$+w+$+x+"\\s*(?:\\/\\s*"+M+"\\s*)?\\)$"),C=new RegExp("^gray\\(\\s*"+w+"()()\\s*(?:\\/\\s*"+M+"\\s*)?\\)$"),D={mode:"rgb",channels:["r","g","b","alpha"],parsers:[function(r){var e;return(e=r.match(I))?y(parseInt(e[1],16),e[1].length):void 0},function(r){var e=void 0,a=void 0;if(e=r.match(j)||r.match(R))a={mode:"rgb",r:e[1]/255,g:e[2]/255,b:e[3]/255};else{if(!(e=r.match(q)||r.match(O)))return;a={mode:"rgb",r:e[1]/100,g:e[2]/100,b:e[3]/100}}return void 0!==e[4]?a.alpha=e[4]/100:void 0!==e[5]&&(a.alpha=+e[5]),a},function(r){return"string"==typeof r&&y(g[r.toLowerCase()],6)||void 0},function(r){return"transparent"===r?y(0,8):void 0}],interpolate:{r:v(),g:v(),b:v(),alpha:m()}},H=function(r){return r<.04045?r/12.92:Math.pow((r+.055)/1.055,2.4)},N=function(r){var e=r.r,a=r.g,t=r.b,n=r.alpha,o={mode:"lrgb",r:H(e),g:H(a),b:H(t)};return void 0!==n&&(o.alpha=n),o},B=function(r){return r>.0031308?1.055*Math.pow(r,1/2.4)-.055:12.92*r},F=function(r){var e=r.r,a=r.g,t=r.b,n=r.alpha,o={mode:"rgb",r:B(e),g:B(a),b:B(t)};return void 0!==n&&(o.alpha=n),o},G={mode:"lrgb",output:{rgb:F},input:{rgb:N},channels:["r","g","b","alpha"],interpolate:{r:v(),g:v(),b:v(),alpha:m()}};var J=function(r,e){switch(e){case"deg":return+r;case"rad":return r/Math.PI*180;case"grad":return r/10*9;case"turn":return 360*r}},K={mode:"hsl",output:{rgb:function(r){var e=r.h,a=r.s,t=r.l,n=r.alpha;e=c(e);var o=t+a*(t<.5?t:1-t),i=o-2*(o-t)*Math.abs(e/60%2-1),l=void 0;switch(Math.floor(e/60)){case 0:l={r:o,g:i,b:2*t-o};break;case 1:l={r:i,g:o,b:2*t-o};break;case 2:l={r:2*t-o,g:o,b:i};break;case 3:l={r:2*t-o,g:i,b:o};break;case 4:l={r:i,g:2*t-o,b:o};break;case 5:l={r:o,g:2*t-o,b:i};break;default:l={r:2*t-o,g:2*t-o,b:2*t-o}}return l.mode="rgb",void 0!==n&&(l.alpha=n),l}},input:{rgb:function(r){var e=r.r,a=r.g,t=r.b,n=r.alpha,o=Math.max(e,a,t),i=Math.min(e,a,t),l={mode:"hsl",s:o===i?0:(o-i)/(1-Math.abs(o+i-1)),l:.5*(o+i)};return o-i!=0&&(l.h=60*(o===e?(a-t)/(o-i)+6*(a<t):o===a?(t-e)/(o-i)+2:(e-a)/(o-i)+4)),void 0!==n&&(l.alpha=n),l}},channels:["h","s","l","alpha"],parsers:[function(r){if("string"==typeof r){var e=r.match(z)||r.match(S);if(e){var a={mode:"hsl",h:void 0===e[3]?J(e[1],e[2]):+e[3],s:Math.min(Math.max(0,e[4]/100),1),l:Math.min(Math.max(0,e[5]/100),1)};return void 0!==e[6]?a.alpha=e[6]/100:void 0!==e[7]&&(a.alpha=e[7]/255),a}}}],interpolate:{h:f(),s:v(),l:v(),alpha:m()}};function Q(r){var e=r.h,a=r.s,t=r.v,n=r.alpha;e=c(e);var o=Math.abs(e/60%2-1),i=void 0;switch(Math.floor(e/60)){case 0:i={r:t,g:t*(1-a*o),b:t*(1-a)};break;case 1:i={r:t*(1-a*o),g:t,b:t*(1-a)};break;case 2:i={r:t*(1-a),g:t,b:t*(1-a*o)};break;case 3:i={r:t*(1-a),g:t*(1-a*o),b:t};break;case 4:i={r:t*(1-a*o),g:t*(1-a),b:t};break;case 5:i={r:t,g:t*(1-a),b:t*(1-a*o)};break;default:i={r:t*(1-a),g:t*(1-a),b:t*(1-a)}}return i.mode="rgb",void 0!==n&&(i.alpha=n),i}function T(r){var e=r.r,a=r.g,t=r.b,n=r.alpha,o=Math.max(e,a,t),i=Math.min(e,a,t),l={mode:"hsv",s:0===o?0:1-i/o,v:o};return o-i!=0&&(l.h=60*(o===e?(a-t)/(o-i)+6*(a<t):o===a?(t-e)/(o-i)+2:(e-a)/(o-i)+4)),void 0!==n&&(l.alpha=n),l}var U={mode:"hsv",output:{rgb:Q},input:{rgb:T},channels:["h","s","v","alpha"],interpolate:{h:f(),s:v(),v:v(),alpha:m()}};var V={mode:"hsi",output:{rgb:function(r){var e=r.h,a=r.s,t=r.i,n=r.alpha;e=c(e);var o=Math.abs(e/60%2-1),i=void 0;switch(Math.floor(e/60)){case 0:i={r:t*(1+a*(3/(2-o)-1)),g:t*(1+a*(3*(1-o)/(2-o)-1)),b:t*(1-a)};break;case 1:i={r:t*(1+a*(3*(1-o)/(2-o)-1)),g:t*(1+a*(3/(2-o)-1)),b:t*(1-a)};break;case 2:i={r:t*(1-a),g:t*(1+a*(3/(2-o)-1)),b:t*(1+a*(3*(1-o)/(2-o)-1))};break;case 3:i={r:t*(1-a),g:t*(1+a*(3*(1-o)/(2-o)-1)),b:t*(1+a*(3/(2-o)-1))};break;case 4:i={r:t*(1+a*(3*(1-o)/(2-o)-1)),g:t*(1-a),b:t*(1+a*(3/(2-o)-1))};break;case 5:i={r:t*(1+a*(3/(2-o)-1)),g:t*(1-a),b:t*(1+a*(3*(1-o)/(2-o)-1))};break;default:i={r:t*(1-a),g:t*(1-a),b:t*(1-a)}}return i.mode="rgb",void 0!==n&&(i.alpha=n),i}},input:{rgb:function(r){var e=r.r,a=r.g,t=r.b,n=r.alpha,o=Math.max(e,a,t),i=Math.min(e,a,t),l={mode:"hsi",s:e+a+t===0?0:1-3*i/(e+a+t),i:(e+a+t)/3};return o-i!=0&&(l.h=60*(o===e?(a-t)/(o-i)+6*(a<t):o===a?(t-e)/(o-i)+2:(e-a)/(o-i)+4)),void 0!==n&&(l.alpha=n),l}},channels:["h","s","i","alpha"],interpolate:{h:f(),s:v(),i:v(),alpha:m()}};var W={mode:"hwb",output:{rgb:function(r){var e=r.h,a=r.w,t=r.b,n=r.alpha;if(a+t>1){var o=a+t;a/=o,t/=o}return Q({h:e,s:1===t?1:1-a/(1-t),v:1-t,alpha:n})}},input:{rgb:function(r){var e=T(r);if(void 0!==e){var a={mode:"hwb",w:(1-e.s)*e.v,b:1-e.v};return void 0!==e.h&&(a.h=e.h),void 0!==e.alpha&&(a.alpha=e.alpha),a}}},channels:["h","w","b","alpha"],parsers:[function(r){if("string"==typeof r){var e=r.match(P);if(e){var a={mode:"hwb",h:void 0===e[3]?J(e[1],e[2]):+e[3],w:e[4]/100,b:e[5]/100};if(a.w+a.b>1){var t=a.w+a.b;a.w/=t,a.b/=t}return void 0!==e[6]?a.alpha=e[6]/100:void 0!==e[7]&&(a.alpha=e[7]/255),a}}}],interpolate:{h:f(),w:v(),b:v(),alpha:m()}},X=Math.pow(29,3)/Math.pow(3,3),Y=Math.pow(6,3)/Math.pow(29,3),Z=function(r){return Math.pow(r,3)>Y?Math.pow(r,3):(116*r-16)/X},_=function(r){var e,a,t,n,o,i=function(r){var e=r.x,a=r.y,t=r.z;return F({r:3.1338561*e-1.6168667*a-.4906146*t,g:-.9787684*e+1.9161415*a+.033454*t,b:.0719453*e-.2289914*a+1.4052427*t})}((a=(e=r).l,t=e.a,o=(n=(a+16)/116)-e.b/200,{x:.96422*Z(t/500+n),y:1*Z(n),z:.82521*Z(o)}));return i.mode="rgb",void 0!==r.alpha&&(i.alpha=r.alpha),i},rr=function(r){return r>Y?Math.cbrt(r):(X*r+16)/116},er=function(r){var e,a,t,n,o,i,l=(e=function(r){var 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0}},converter:h,round:u,parse:o,named:g,interpolate:function(r){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"rgb",a=arguments[2],t=function(r){for(var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"rgb",a=n(e).channels,t={mode:e},o=function(e){t[a[e]]=r.map(function(r){return r[a[e]]})},i=0;i<a.length;i++)o(i);return t}(r.map(h(e)),e);a=a||n(e).interpolate;var o=Object.keys(a);return function(r){r=Math.min(Math.max(0,r),1);for(var n={mode:e},i=void 0,l=0;l<o.length;l++)void 0!==(i=a[o[l]](t[o[l]],r))&&(n[o[l]]=i);return n}},interpolateNumber:v,interpolateAlpha:m,interpolateHue:f,interpolateMethodLinear:p,samples:function(){var r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:2;if(r<2)return r<1?[]:[.5];for(var e=[],a=0;a<r;a++)e.push(a/(r-1));return e},defineMode:t,getModeDefinition:n,default:cr});return Object.assign(cr,pr),cr});

build/index.js

@@ -99,3 +99,3 @@ var converters = {};
 
-var css = (function () {
+var formatter = (function () {
 	var format = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'rgb';
@@ -280,23 +280,30 @@ return function (c) {
 
-var zip = (function (mode) {
+var zip = (function (colors) {
+	var mode = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'rgb';
+
+
 	var channels = getModeDefinition(mode).channels;
-	return function (colors) {
-		var res = {
-			mode: mode
-		};
-		channels.forEach(function (channel) {
-			res[channel] = colors.map(function (c) {
-				return c[channel];
-			});
+	var res = {
+		mode: mode
+	};
+
+	var _loop = function _loop(i) {
+		res[channels[i]] = colors.map(function (c) {
+			return c[channels[i]];
 		});
-		return res;
 	};
+
+	for (var i = 0; i < channels.length; i++) {
+		_loop(i);
+	}
+	return res;
 });
 
-var linear = function linear(a, b, t) {
+var interpolateMethodLinear = function interpolateMethodLinear(a, b, t) {
 	return a + t * (b - a);
 };
 
-var interpolateLinear = function interpolateLinear(arr) {
-	return function (t) {
+var interpolateNumber = function interpolateNumber() {
+	var method = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : interpolateMethodLinear;
+	return function (arr, t) {
 		var cls = t * (arr.length - 1),
@@ -308,3 +315,3 @@ idx = Math.floor(cls),
 
-		if (a !== undefined && b !== undefined) return linear(a, b, t0);
+		if (a !== undefined && b !== undefined) return method(a, b, t0);
 		return a === undefined ? b : a;
@@ -314,4 +321,6 @@ };
 
-var interpolateHue = function interpolateHue(arr) {
-	return function (t) {
+var interpolateHue = function interpolateHue() {
+	var method = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : interpolateMethodLinear;
+	var useShortest = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : true;
+	return function (arr, t) {
 		var cls = t * (arr.length - 1),
@@ -325,3 +334,3 @@ idx = Math.floor(cls),
 			a = normalizeHue(a);b = normalizeHue(b);
-			return Math.abs(b - a) > 180 ? normalizeHue(linear(a, b - 360 * Math.sign(b - a), t0)) : linear(a, b, t0);
+			return useShortest && Math.abs(b - a) > 180 ? normalizeHue(method(a, b - 360 * Math.sign(b - a), t0)) : method(a, b, t0);
 		}
@@ -332,4 +341,5 @@ return a === undefined ? b : a;
 
-var interpolateAlpha = function interpolateAlpha(arr) {
-	return function (t) {
+var interpolateAlpha = function interpolateAlpha() {
+	var method = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : interpolateMethodLinear;
+	return function (arr, t) {
 		var cls = t * (arr.length - 1),
@@ -342,3 +352,3 @@ idx = Math.floor(cls),
 		if (a === undefined && b === undefined || a === undefined && t0 === 0 || b === undefined && t0 === 1) return undefined;
-		return linear(a === undefined ? 1 : a, b === undefined ? 1 : b, t0);
+		return method(a === undefined ? 1 : a, b === undefined ? 1 : b, t0);
 	};
@@ -351,8 +361,5 @@ };
 
-	var zipped = zip(mode)(colors.map(converter(mode)));
+	var zipped = zip(colors.map(converter(mode)), mode);
 	interpolations = interpolations || getModeDefinition(mode).interpolate;
-	var mappings = {};
-	Object.keys(interpolations).forEach(function (k) {
-		mappings[k] = interpolations[k](zipped[k]);
-	});
+	var keys = Object.keys(interpolations);
 
@@ -363,7 +370,7 @@ return function (t) {
 		    val = void 0;
-		Object.keys(mappings).forEach(function (k) {
-			if ((val = mappings[k](t)) !== undefined) {
-				res[k] = val;
+		for (var i = 0; i < keys.length; i++) {
+			if ((val = interpolations[keys[i]](zipped[keys[i]], t)) !== undefined) {
+				res[keys[i]] = val;
 			}
-		});
+		}
 		return res;
@@ -541,6 +548,6 @@ };
 	interpolate: {
-		r: interpolateLinear,
-		g: interpolateLinear,
-		b: interpolateLinear,
-		alpha: interpolateAlpha
+		r: interpolateNumber(),
+		g: interpolateNumber(),
+		b: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
@@ -599,6 +606,6 @@ };
 	interpolate: {
-		r: interpolateLinear,
-		g: interpolateLinear,
-		b: interpolateLinear,
-		alpha: interpolateAlpha
+		r: interpolateNumber(),
+		g: interpolateNumber(),
+		b: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
@@ -702,6 +709,6 @@ };
 	interpolate: {
-		h: interpolateHue,
-		s: interpolateLinear,
-		l: interpolateLinear,
-		alpha: interpolateAlpha
+		h: interpolateHue(),
+		s: interpolateNumber(),
+		l: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
@@ -772,6 +779,6 @@ };
 	interpolate: {
-		h: interpolateHue,
-		s: interpolateLinear,
-		v: interpolateLinear,
-		alpha: interpolateAlpha
+		h: interpolateHue(),
+		s: interpolateNumber(),
+		v: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
@@ -873,6 +880,6 @@ };
 	interpolate: {
-		h: interpolateHue,
-		s: interpolateLinear,
-		i: interpolateLinear,
-		alpha: interpolateAlpha
+		h: interpolateHue(),
+		s: interpolateNumber(),
+		i: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
@@ -971,6 +978,6 @@ };
 	interpolate: {
-		h: interpolateHue,
-		w: interpolateLinear,
-		b: interpolateLinear,
-		alpha: interpolateAlpha
+		h: interpolateHue(),
+		w: interpolateNumber(),
+		b: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
@@ -1138,6 +1145,6 @@ };
 	interpolate: {
-		l: interpolateLinear,
-		a: interpolateLinear,
-		b: interpolateLinear,
-		alpha: interpolateAlpha
+		l: interpolateNumber(),
+		a: interpolateNumber(),
+		b: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
@@ -1234,6 +1241,6 @@ };
 	interpolate: {
-		h: interpolateHue,
-		c: interpolateLinear,
-		l: interpolateLinear,
-		alpha: interpolateAlpha
+		h: interpolateHue(),
+		c: interpolateNumber(),
+		l: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
@@ -1290,2 +1297,2 @@ };
 export default culori;
-export { hsl, hsv, hsi, hwb$1 as hwb, rgb$1 as rgb, lab$1 as lab, lch$1 as lch, lrgb, css, converter, round, parse, named, interpolate, interpolateLinear, interpolateAlpha, interpolateHue, samples, defineMode, getModeDefinition };
+export { hsl, hsv, hsi, hwb$1 as hwb, rgb$1 as rgb, lab$1 as lab, lch$1 as lch, lrgb, formatter, converter, round, parse, named, interpolate, interpolateNumber, interpolateAlpha, interpolateHue, interpolateMethodLinear, samples, defineMode, getModeDefinition };

package.json

 {
   "name": "culori",
-  "version": "0.2.67",
+  "version": "0.2.68",
   "main": "build/culori.js",
@@ -5,0 +5,0 @@ "module": "build/index.js",

src/hsi/definition.js

 import convertHsiToRgb from './convertHsiToRgb';
 import convertRgbToHsi from './convertRgbToHsi';
-import { interpolateLinear, interpolateAlpha, interpolateHue } from '../interpolate';
+import { interpolateNumber, interpolateAlpha, interpolateHue } from '../interpolate';
 
@@ -15,7 +15,7 @@ export default {
 	interpolate: {
-		h: interpolateHue,
-		s: interpolateLinear,
-		i: interpolateLinear,
-		alpha: interpolateAlpha
+		h: interpolateHue(),
+		s: interpolateNumber(),
+		i: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
 }

src/hsl/definition.js

 import convertHslToRgb from './convertHslToRgb';
 import convertRgbToHsl from './convertRgbToHsl';
 import parseHsl from './parseHsl';
-import { interpolateLinear, interpolateAlpha, interpolateHue } from '../interpolate';
+import { interpolateNumber, interpolateAlpha, interpolateHue } from '../interpolate';
 
@@ -17,7 +17,7 @@ export default {
 	interpolate: {
-		h: interpolateHue,
-		s: interpolateLinear,
-		l: interpolateLinear,
-		alpha: interpolateAlpha
+		h: interpolateHue(),
+		s: interpolateNumber(),
+		l: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
 };

src/hsv/definition.js

 import convertHsvToRgb from './convertHsvToRgb';
 import convertRgbToHsv from './convertRgbToHsv';
-import { interpolateLinear, interpolateAlpha, interpolateHue } from '../interpolate';
+import { interpolateNumber, interpolateAlpha, interpolateHue } from '../interpolate';
 
@@ -15,7 +15,7 @@ export default {
 	interpolate: {
-		h: interpolateHue,
-		s: interpolateLinear,
-		v: interpolateLinear,
-		alpha: interpolateAlpha
+		h: interpolateHue(),
+		s: interpolateNumber(),
+		v: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
 };

src/hwb/definition.js

 import convertHwbToRgb from './convertHwbToRgb';
 import convertRgbToHwb from './convertRgbToHwb';
 import parseHwb from './parseHwb';
-import { interpolateLinear, interpolateAlpha, interpolateHue } from '../interpolate';
+import { interpolateNumber, interpolateAlpha, interpolateHue } from '../interpolate';
 
@@ -17,7 +17,7 @@ export default {
 	interpolate: {
-		h: interpolateHue,
-		w: interpolateLinear,
-		b: interpolateLinear,
-		alpha: interpolateAlpha
+		h: interpolateHue(),
+		w: interpolateNumber(),
+		b: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
 };

src/index.js

@@ -1,6 +0,11 @@
-import css from './css';
+import formatter from './formatter';
 import round from './round';
 import converter from './converter';
 import named from './colors/named';
-import interpolate, { interpolateLinear, interpolateAlpha, interpolateHue } from './interpolate';
+import interpolate, { 
+	interpolateNumber, 
+	interpolateAlpha, 
+	interpolateHue,
+	interpolateMethodLinear
+} from './interpolate';
 import samples from './samples';
@@ -51,3 +56,3 @@ import zip from './zip';
 	lrgb,
-	css,
+	formatter,
 	converter,
@@ -58,5 +63,6 @@ round,
 	interpolate,
-	interpolateLinear,
+	interpolateNumber,
 	interpolateAlpha,
 	interpolateHue,
+	interpolateMethodLinear,
 	samples,
@@ -63,0 +69,0 @@

src/interpolate.js

@@ -6,56 +6,53 @@ import converter from './converter';
 
-const linear = (a, b, t) => a + t * (b - a);
+const interpolateMethodLinear = (a, b, t) => a + t * (b - a);
 
-const interpolateLinear = arr => 
-	t => {
-		let cls = t * (arr.length - 1), 
-			idx = Math.floor(cls),
-			a = arr[idx], 
-			b = arr[idx + 1], 
-			t0 = cls - idx;
+const interpolateNumber = (method = interpolateMethodLinear) =>
+	(arr, t) => {
+			let cls = t * (arr.length - 1), 
+				idx = Math.floor(cls),
+				a = arr[idx], 
+				b = arr[idx + 1], 
+				t0 = cls - idx;
 
-		if (a !== undefined && b !== undefined) return linear(a, b, t0);
-		return a === undefined ? b : a;
-	};
+			if (a !== undefined && b !== undefined) return method(a, b, t0);
+			return a === undefined ? b : a;
+		};
 
-const interpolateHue = arr => 
-	t => {
-		let cls = t * (arr.length - 1), 
-			idx = Math.floor(cls),
-			a = arr[idx], 
-			b = arr[idx + 1], 
-			t0 = cls - idx;
+const interpolateHue = (method = interpolateMethodLinear, useShortest = true) =>
+	(arr, t) => {
+			let cls = t * (arr.length - 1), 
+				idx = Math.floor(cls),
+				a = arr[idx], 
+				b = arr[idx + 1], 
+				t0 = cls - idx;
 
-		if (a !== undefined && b !== undefined) {
-			a = normalizeHue(a); b = normalizeHue(b);
-			return Math.abs(b - a) > 180 ? 
-				normalizeHue(linear(a, b - 360 * Math.sign(b - a), t0))
-				: linear(a, b, t0);
-		}
-		return a === undefined ? b : a;
-	}
+			if (a !== undefined && b !== undefined) {
+				a = normalizeHue(a); b = normalizeHue(b);
+				return useShortest && Math.abs(b - a) > 180 ? 
+					normalizeHue(method(a, b - 360 * Math.sign(b - a), t0))
+					: method(a, b, t0);
+			}
+			return a === undefined ? b : a;
+		};
 
-const interpolateAlpha = arr => 
-	t => {
-		let cls = t * (arr.length - 1), 
-			idx = Math.floor(cls),
-			a = arr[idx], 
-			b = arr[idx + 1], 
-			t0 = cls - idx;
+const interpolateAlpha = (method = interpolateMethodLinear) =>
+	(arr, t) => {
+			let cls = t * (arr.length - 1), 
+				idx = Math.floor(cls),
+				a = arr[idx], 
+				b = arr[idx + 1], 
+				t0 = cls - idx;
 
-		if (
-			(a === undefined && b === undefined) ||
-			(a === undefined && t0 === 0) ||
-			(b === undefined && t0 === 1)
-		) return undefined;
-		return linear(a === undefined ? 1 : a, b === undefined ? 1: b, t0);
-	}
+			if (
+				(a === undefined && b === undefined) ||
+				(a === undefined && t0 === 0) ||
+				(b === undefined && t0 === 1)
+			) return undefined;
+			return method(a === undefined ? 1 : a, b === undefined ? 1: b, t0);
+		};
 
 const interpolate = (colors, mode = 'rgb', interpolations) => {
-	let zipped = zip(mode)(colors.map(converter(mode)));
+	let zipped = zip(colors.map(converter(mode)), mode);
 	interpolations = interpolations || getModeDefinition(mode).interpolate;
-	let mappings = {};
-	Object.keys(interpolations).forEach(k => {
-		mappings[k] = interpolations[k](zipped[k]);
-	});
+	let keys = Object.keys(interpolations);
 
@@ -65,7 +62,7 @@ return t => {
 		let res = { mode: mode }, val;
-		Object.keys(mappings).forEach(k => {
-			if ((val = mappings[k](t)) !== undefined) {
-				res[k] = val;
+		for (var i = 0; i < keys.length; i++) {
+			if ((val = interpolations[keys[i]](zipped[keys[i]], t)) !== undefined) {
+				res[keys[i]] = val;
 			}
-		});
+		}
 		return res;
@@ -78,4 +75,5 @@ }
 	interpolateAlpha,
-	interpolateLinear,
-	interpolateHue
+	interpolateNumber,
+	interpolateHue,
+	interpolateMethodLinear
 }

src/lab/definition.js

 import convertLabToRgb from './convertLabToRgb';
 import convertRgbToLab from './convertRgbToLab';
 import parseLab from './parseLab';
-import { interpolateLinear, interpolateAlpha, interpolateHue } from '../interpolate';
+import { interpolateNumber, interpolateAlpha, interpolateHue } from '../interpolate';
 
@@ -17,7 +17,7 @@ export default {
 	interpolate: {
-		l: interpolateLinear,
-		a: interpolateLinear,
-		b: interpolateLinear,
-		alpha: interpolateAlpha
+		l: interpolateNumber(),
+		a: interpolateNumber(),
+		b: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
 };

src/lch/definition.js

@@ -6,3 +6,3 @@ import convertLabToLch from './convertLabToLch';
 import parseLch from './parseLch';
-import { interpolateLinear, interpolateAlpha, interpolateHue } from '../interpolate';
+import { interpolateNumber, interpolateAlpha, interpolateHue } from '../interpolate';
 
@@ -22,6 +22,6 @@ export default {
 	interpolate: {
-		h: interpolateHue,
-		c: interpolateLinear,
-		l: interpolateLinear,
-		alpha: interpolateAlpha
+		h: interpolateHue(),
+		c: interpolateNumber(),
+		l: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
@@ -28,0 +28,0 @@ };

src/lrgb/definition.js

 import convertRgbToLrgb from './convertRgbToLrgb';
 import convertLrgbToRgb from './convertLrgbToRgb';
-import { interpolateLinear, interpolateAlpha, interpolateHue } from '../interpolate';
+import { interpolateNumber, interpolateAlpha, interpolateHue } from '../interpolate';
 
@@ -15,7 +15,7 @@ export default {
 	interpolate: {
-		r: interpolateLinear,
-		g: interpolateLinear,
-		b: interpolateLinear,
-		alpha: interpolateAlpha
+		r: interpolateNumber(),
+		g: interpolateNumber(),
+		b: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
 };

src/rgb/definition.js

@@ -5,3 +5,3 @@ import parseNamed from './parseNamed';
 import parseTransparent from './parseTransparent';
-import { interpolateLinear, interpolateAlpha, interpolateHue } from '../interpolate';
+import { interpolateNumber, interpolateAlpha, interpolateHue } from '../interpolate';
 
@@ -13,7 +13,7 @@ export default {
 	interpolate: {
-		r: interpolateLinear,
-		g: interpolateLinear,
-		b: interpolateLinear,
-		alpha: interpolateAlpha
+		r: interpolateNumber(),
+		g: interpolateNumber(),
+		b: interpolateNumber(),
+		alpha: interpolateAlpha()
 	}
 };

src/zip.js

 import { getModeDefinition } from './modes';
 import converter from './converter';
 
-export default mode => {
+export default (colors, mode = 'rgb') => {
+	
 	let channels = getModeDefinition(mode).channels;
-	return colors => {
-		let res = {
-			mode: mode
-		};
-		channels.forEach(channel => {
-			res[channel] = colors.map(c => c[channel]);
-		});
-		return res;
+	let res = {
+		mode: mode
+	};
+	for (let i = 0; i < channels.length; i++) {
+		res[channels[i]] = colors.map(c => c[channels[i]]);
 	}
+	return res;
 }
 
 

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Improved metrics

Total package byte prevSize

119647

increased by3.56%

Number of package files

68

increased by4.62%

Lines of code

3630

increased by1.91%

No dependency changes