culori - npm Package Compare versions

Comparing version 0.2.61 to 0.2.62

build/culori.js

@@ -8,3 +8,3 @@ (function (global, factory) {
 	var converters = {};
-	var components = {};
+	var _channels = {};
 	var parsers = [];
@@ -16,3 +16,3 @@
 		    output = _ref.output,
-		    keys = _ref.keys,
+		    channels = _ref.channels,
 		    p = _ref.parsers;
@@ -27,3 +27,3 @@
 		});
-		components[mode] = keys;
+		_channels[mode] = channels.concat('alpha');
 		(p || []).forEach(function (parser) {
@@ -34,2 +34,6 @@ return parsers.push(parser);
 
+	var getChannels = function getChannels(mode) {
+		return _channels[mode];
+	};
+
 	var parse = function parse(color) {
@@ -45,2 +49,12 @@ var result = void 0,
 
+	var fromArray = (function (color, mode) {
+		var res = { mode: mode };
+		getChannels(mode).forEach(function (k, idx) {
+			if (color[idx] !== undefined) {
+				res[k] = color[idx];
+			}
+		});
+		return res;
+	});
+
 	var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
@@ -67,3 +81,3 @@ return typeof obj;
 	var prepare = function prepare(color, mode) {
-		return (typeof color === 'undefined' ? 'undefined' : _typeof(color)) !== 'object' ? parse(color) : color.mode === undefined ? _extends({}, color, { mode: mode }) : color;
+		return (typeof color === 'undefined' ? 'undefined' : _typeof(color)) !== 'object' ? parse(color) : Array.isArray(color) ? fromArray(color, mode) : color.mode === undefined ? _extends({}, color, { mode: mode }) : color;
 	};
@@ -107,26 +121,15 @@
 
-	var invariant = function invariant(k, v) {
-		return v;
-	};
-
-	var transform = (function () {
-		var fn = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : invariant;
-		return function (color) {
-			var res = { mode: color.mode },
-			    mapped = void 0;
-			components[color.mode].forEach(function (key) {
-				if ((mapped = fn(color[key], key)) !== undefined) {
-					res[key] = mapped;
-				}
-			});
-			return res;
-		};
+	var toArray$1 = (function () {
+	  return function (color) {
+	    return getChannels(color.mode).map(function (k) {
+	      return color[k];
+	    });
+	  };
 	});
 
-	var clampRGB = transform(function (v, k) {
-		return k === 'alpha' ? v : Math.round(Math.max(0, Math.min(v, 1)) * 255);
-	});
-
 	var rgb = converter('rgb');
 	var roundAlpha = round(2);
+	var clamp = function clamp(v) {
+		return Math.round(Math.max(0, Math.min(v, 1)) * 255);
+	};
 
@@ -136,15 +139,15 @@ var css = (function () {
 		return function (c) {
-			var color = clampRGB(rgb(c));
+			var color = toArray$1()(rgb(c)).slice(0, 3).map(clamp).concat([c.alpha === 1 ? undefined : c.alpha]);
 
 			if (format === 'hex') {
-				return '#' + (1 << 24 | color.r << 16 | color.g << 8 | color.b).toString(16).slice(1);
+				return '#' + (1 << 24 | color[0] << 16 | color[1] << 8 | color[2]).toString(16).slice(1);
 			}
 
 			if (format === 'rgb') {
-				if (color.alpha === undefined || color.alpha === 255) {
+				if (color[3] === undefined) {
 					// opaque color
-					return 'rgb(' + color.r + ', ' + color.g + ', ' + color.b + ')';
+					return 'rgb(' + color[0] + ', ' + color[1] + ', ' + color[2] + ')';
 				} else {
 					// transparent color
-					return 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + roundAlpha(color.alpha) + ')';
+					return 'rgba(' + color[0] + ', ' + color[1] + ', ' + color[2] + ', ' + roundAlpha(color[3]) + ')';
 				}
@@ -333,2 +336,6 @@ }
 
+	var method = function method(k) {
+		return k === 'h' ? hue : k === 'alpha' ? alpha : generic;
+	};
+
 	var interpolate = (function (seeds) {
@@ -355,7 +362,5 @@ var mode = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'rgb';
 
-			// create a new color in the mode given, and map its values
-			return transform(function (v, k) {
-				var method = k === 'h' ? hue : k === 'alpha' ? alpha : generic;
-				return method(startColor[k], endColor[k], t0);
-			})({ mode: mode });
+			return fromArray(getChannels(mode).map(function (k) {
+				return method(k)(startColor[k], endColor[k], t0);
+			}), mode);
 		};
@@ -569,3 +574,3 @@ });
 		mode: 'rgb',
-		keys: ['r', 'g', 'b', 'alpha'],
+		channels: ['r', 'g', 'b'],
 		parsers: [parseHex, parseRgb, parseNamed, parseTransparent]
@@ -622,3 +627,3 @@ };
 		},
-		keys: ['r', 'g', 'b', 'alpha']
+		channels: ['r', 'g', 'b']
 	};
@@ -718,3 +723,3 @@
 		},
-		keys: ['h', 's', 'l', 'alpha'],
+		channels: ['h', 's', 'l'],
 		parsers: [parseHsl]
@@ -783,3 +788,3 @@ };
 		},
-		keys: ['h', 's', 'v', 'alpha']
+		channels: ['h', 's', 'v']
 	};
@@ -878,3 +883,3 @@
 		},
-		keys: ['h', 's', 'i', 'alpha']
+		channels: ['h', 's', 'i']
 	};
@@ -969,3 +974,3 @@
 		},
-		keys: ['h', 'w', 'b', 'alpha'],
+		channels: ['h', 'w', 'b'],
 		parsers: [parseHwb]
@@ -1117,3 +1122,3 @@ };
 		},
-		keys: ['l', 'a', 'b', 'alpha'],
+		channels: ['l', 'a', 'b'],
 		parsers: [parseLab]
@@ -1211,3 +1216,3 @@ };
 		},
-		keys: ['l', 'c', 'h', 'alpha'],
+		channels: ['l', 'c', 'h'],
 		parsers: [parseLch]
@@ -1251,5 +1256,6 @@ };
 		named: named,
-		transform: transform,
 		interpolate: interpolate,
 		samples: samples,
+		fromArray: fromArray,
+		toArray: toArray$1,
 		default: culori
@@ -1256,0 +1262,0 @@ });

build/culori.min.js

@@ -1,1 +0,1 @@
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e=r.h,a=r.s,n=r.l,t=r.alpha;e=v(e);var o=n+a*(n<.5?n:1-n),i=o-2*(o-n)*Math.abs(e/60%2-1),l=void 0;switch(Math.floor(e/60)){case 0:l={r:o,g:i,b:2*n-o};break;case 1:l={r:i,g:o,b:2*n-o};break;case 2:l={r:2*n-o,g:o,b:i};break;case 3:l={r:2*n-o,g:i,b:o};break;case 4:l={r:i,g:2*n-o,b:o};break;case 5:l={r:o,g:2*n-o,b:i};break;default:l={r:2*n-o,g:2*n-o,b:2*n-o}}return l.mode="rgb",void 0!==t&&(l.alpha=t),l}},input:{rgb:function(r){var e=r.r,a=r.g,n=r.b,t=r.alpha,o=Math.max(e,a,n),i=Math.min(e,a,n),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-n)/(o-i)+6*(a<n):o===a?(n-e)/(o-i)+2:(e-a)/(o-i)+4)),void 0!==t&&(l.alpha=t),l}},channels:["h","s","l"],parsers:[function(r){if("string"==typeof r){var e=r.match(I)||r.match(P);if(e){var a={mode:"hsl",h:void 0===e[3]?Q(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}}}]};function U(r){var e=r.h,a=r.s,n=r.v,t=r.alpha;e=v(e);var o=Math.abs(e/60%2-1),i=void 0;switch(Math.floor(e/60)){case 0:i={r:n,g:n*(1-a*o),b:n*(1-a)};break;case 1:i={r:n*(1-a*o),g:n,b:n*(1-a)};break;case 2:i={r:n*(1-a),g:n,b:n*(1-a*o)};break;case 3:i={r:n*(1-a),g:n*(1-a*o),b:n};break;case 4:i={r:n*(1-a*o),g:n*(1-a),b:n};break;case 5:i={r:n,g:n*(1-a),b:n*(1-a*o)};break;default:i={r:n*(1-a),g:n*(1-a),b:n*(1-a)}}return i.mode="rgb",void 0!==t&&(i.alpha=t),i}function V(r){var e=r.r,a=r.g,n=r.b,t=r.alpha,o=Math.max(e,a,n),i=Math.min(e,a,n),l={mode:"hsv",s:0===o?0:1-i/o,v:o};return o-i!=0&&(l.h=60*(o===e?(a-n)/(o-i)+6*(a<n):o===a?(n-e)/(o-i)+2:(e-a)/(o-i)+4)),void 0!==t&&(l.alpha=t),l}var W={mode:"hsv",output:{rgb:U},input:{rgb:V},channels:["h","s","v"]};var X={mode:"hsi",output:{rgb:function(r){var e=r.h,a=r.s,n=r.i,t=r.alpha;e=v(e);var o=Math.abs(e/60%2-1),i=void 0;switch(Math.floor(e/60)){case 0:i={r:n*(1+a*(3/(2-o)-1)),g:n*(1+a*(3*(1-o)/(2-o)-1)),b:n*(1-a)};break;case 1:i={r:n*(1+a*(3*(1-o)/(2-o)-1)),g:n*(1+a*(3/(2-o)-1)),b:n*(1-a)};break;case 2:i={r:n*(1-a),g:n*(1+a*(3/(2-o)-1)),b:n*(1+a*(3*(1-o)/(2-o)-1))};break;case 3:i={r:n*(1-a),g:n*(1+a*(3*(1-o)/(2-o)-1)),b:n*(1+a*(3/(2-o)-1))};break;case 4:i={r:n*(1+a*(3*(1-o)/(2-o)-1)),g:n*(1-a),b:n*(1+a*(3/(2-o)-1))};break;case 5:i={r:n*(1+a*(3/(2-o)-1)),g:n*(1-a),b:n*(1+a*(3*(1-o)/(2-o)-1))};break;default:i={r:n*(1-a),g:n*(1-a),b:n*(1-a)}}return i.mode="rgb",void 0!==t&&(i.alpha=t),i}},input:{rgb:function(r){var e=r.r,a=r.g,n=r.b,t=r.alpha,o=Math.max(e,a,n),i=Math.min(e,a,n),l={mode:"hsi",s:e+a+n===0?0:1-3*i/(e+a+n),i:(e+a+n)/3};return o-i!=0&&(l.h=60*(o===e?(a-n)/(o-i)+6*(a<n):o===a?(n-e)/(o-i)+2:(e-a)/(o-i)+4)),void 0!==t&&(l.alpha=t),l}},channels:["h","s","i"]};var Y={mode:"hwb",output:{rgb:function(r){var e=r.h,a=r.w,n=r.b,t=r.alpha;if(a+n>1){var o=a+n;a/=o,n/=o}return U({h:e,s:1===n?1:1-a/(1-n),v:1-n,alpha:t})}},input:{rgb:function(r){var e=V(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"],parsers:[function(r){if("string"==typeof r){var e=r.match(C);if(e){var a={mode:"hwb",h:void 0===e[3]?Q(e[1],e[2]):+e[3],w:e[4]/100,b:e[5]/100};if(a.w+a.b>1){var n=a.w+a.b;a.w/=n,a.b/=n}return void 0!==e[6]?a.alpha=e[6]/100:void 0!==e[7]&&(a.alpha=e[7]/255),a}}}]},Z=Math.pow(29,3)/Math.pow(3,3),_=Math.pow(6,3)/Math.pow(29,3),rr=function(r){return Math.pow(r,3)>_?Math.pow(r,3):(116*r-16)/Z},er=function(r){var e,a,n,t,o,i=function(r){var e=r.x,a=r.y,n=r.z;return K({r:3.2404542*e-1.5371385*a-.4985314*n,g:-.969266*e+1.8760108*a+.041556*n,b:.0556434*e-.2040259*a+1.0572252*n})}((a=(e=r).l,n=e.a,o=(t=(a+16)/116)-e.b/200,{x:.95047*rr(n/500+t),y:1*rr(t),z:1.08883*rr(o)}));return i.mode="rgb",void 0!==r.alpha&&(i.alpha=r.alpha),i},ar=function(r){return r>_?Math.cbrt(r):(Z*r+16)/116},nr=function(r){var e,a,n,t,o,i,l=(e=function(r){var e=H(r),a=e.r,n=e.g,t=e.b;return{x:.4124564*a+.3575761*n+.1804375*t,y:.2126729*a+.7151522*n+.072175*t,z:.0193339*a+.119192*n+.9503041*t}}(r),a=e.x,n=e.y,t=e.z,o=ar(a/.95047),{l:116*(i=ar(n/1))-16,a:500*(o-i),b:200*(i-ar(t/1.08883))});return l.mode="lab",void 0!==r.alpha&&(l.alpha=r.alpha),l},tr={mode:"lab",output:{rgb:er},input:{rgb:nr},channels:["l","a","b"],parsers:[function(r){var e=void 0,a=void 0;if(e=r.match(L))a={mode:"lab",l:+e[1],a:+e[2],b:+e[3]};else{if(!(e=r.match(D)))return;a={mode:"lab",l:+e[1],a:0,b:0}}return void 0!==e[4]?a.alpha=e[4]/100:void 0!==e[5]&&(a.alpha=+e[5]),a}]},or=s(4),ir=function(r){var e=r.l,a=r.a,n=r.b,t=r.alpha,o=or(Math.sqrt(a*a+n*n)),i={mode:"lch",l:e,c:o};return o&&(i.h=v(180*Math.atan2(n,a)/Math.PI)),void 0!==t&&(i.alpha=t),i},lr=function(r){var e=r.l,a=r.c,n=r.h,t=r.alpha,o={mode:"lab",l:e,a:0===a?0:a*Math.cos(n/180*Math.PI),b:0===a?0:a*Math.sin(n/180*Math.PI)};return void 0!==t&&(o.alpha=t),o},ur={mode:"lch",output:{lab:lr,rgb:function(r){return er(lr(r))}},input:{rgb:function(r){return ir(nr(r))},lch:ir},channels:["l","c","h"],parsers:[function(r){var e=r.match(B);if(e){var a={mode:"lch",l:+e[1],c:Math.max(0,+e[2]),h:void 0===e[5]?Q(e[3],e[4]):+e[5]};return void 0!==e[6]?a.alpha=e[6]/100:void 0!==e[7]&&(a.alpha=+e[7]),a}}]};n(F),n(N),n(T),n(W),n(X),n(Y),n(tr),n(ur);var hr=h("rgb"),sr=h("lrgb"),dr=h("hsl"),br=h("hsv"),cr=h("hsi"),gr=h("hwb"),pr=h("lab"),vr=h("lch"),fr=hr,mr=Object.freeze({hsl:dr,hsv:br,hsi:cr,hwb:gr,rgb:hr,lab:pr,lch:vr,lrgb:sr,css:function(){var r=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"rgb";return function(e){var a=d()(b(e)).slice(0,3).map(g).concat([1===e.alpha?void 0:e.alpha]);return"hex"===r?"#"+(1<<24|a[0]<<16|a[1]<<8|a[2]).toString(16).slice(1):"rgb"===r?void 0===a[3]?"rgb("+a[0]+", "+a[1]+", "+a[2]+")":"rgba("+a[0]+", "+a[1]+", "+a[2]+", "+c(a[3])+")":void 0}},converter:h,brighten:function(r){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"rgb",a=r>0?0-r:1/(2+r),n=h(e);return function(r){var t=h(r.mode),o=Object.assign({},n(r));switch(e){case"rgb":case"lrgb":o.r*=Math.pow(.7,a),o.g*=Math.pow(.7,a),o.b*=Math.pow(.7,a);break;case"hsl":case"lab":case"lch":o.l*=exp;break;case"hsv":o.v*=exp;break;case"hsi":o.i*=exp}return t(o)}},round:s,parse:o,named:p,interpolate:function(r){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"rgb";if(!(r.length<2)){var a=r.map(h(e));return function(r){var n=(r=Math.min(Math.max(0,r),1))*(a.length-1),o=Math.floor(n),l=a[o],u=1===r?a[o]:a[o+1],h=n-o;return i(t(e).map(function(r){return function(r){return"h"===r?y:"alpha"===r?w:m}(r)(l[r],u[r],h)}),e)}}},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},fromArray:i,toArray:d,default:fr});return Object.assign(fr,mr),fr});

build/index.js

 var converters = {};
-var components = {};
+var _channels = {};
 var parsers = [];
@@ -9,3 +9,3 @@
 	    output = _ref.output,
-	    keys = _ref.keys,
+	    channels = _ref.channels,
 	    p = _ref.parsers;
@@ -20,3 +20,3 @@
 	});
-	components[mode] = keys;
+	_channels[mode] = channels.concat('alpha');
 	(p || []).forEach(function (parser) {
@@ -27,2 +27,6 @@ return parsers.push(parser);
 
+var getChannels = function getChannels(mode) {
+	return _channels[mode];
+};
+
 var parse = function parse(color) {
@@ -38,2 +42,12 @@ var result = void 0,
 
+var fromArray = (function (color, mode) {
+	var res = { mode: mode };
+	getChannels(mode).forEach(function (k, idx) {
+		if (color[idx] !== undefined) {
+			res[k] = color[idx];
+		}
+	});
+	return res;
+});
+
 var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
@@ -60,3 +74,3 @@ return typeof obj;
 var prepare = function prepare(color, mode) {
-	return (typeof color === 'undefined' ? 'undefined' : _typeof(color)) !== 'object' ? parse(color) : color.mode === undefined ? _extends({}, color, { mode: mode }) : color;
+	return (typeof color === 'undefined' ? 'undefined' : _typeof(color)) !== 'object' ? parse(color) : Array.isArray(color) ? fromArray(color, mode) : color.mode === undefined ? _extends({}, color, { mode: mode }) : color;
 };
@@ -100,26 +114,15 @@
 
-var invariant = function invariant(k, v) {
-	return v;
-};
-
-var transform = (function () {
-	var fn = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : invariant;
-	return function (color) {
-		var res = { mode: color.mode },
-		    mapped = void 0;
-		components[color.mode].forEach(function (key) {
-			if ((mapped = fn(color[key], key)) !== undefined) {
-				res[key] = mapped;
-			}
-		});
-		return res;
-	};
+var toArray$1 = (function () {
+  return function (color) {
+    return getChannels(color.mode).map(function (k) {
+      return color[k];
+    });
+  };
 });
 
-var clampRGB = transform(function (v, k) {
-	return k === 'alpha' ? v : Math.round(Math.max(0, Math.min(v, 1)) * 255);
-});
-
 var rgb = converter('rgb');
 var roundAlpha = round(2);
+var clamp = function clamp(v) {
+	return Math.round(Math.max(0, Math.min(v, 1)) * 255);
+};
 
@@ -129,15 +132,15 @@ var css = (function () {
 	return function (c) {
-		var color = clampRGB(rgb(c));
+		var color = toArray$1()(rgb(c)).slice(0, 3).map(clamp).concat([c.alpha === 1 ? undefined : c.alpha]);
 
 		if (format === 'hex') {
-			return '#' + (1 << 24 | color.r << 16 | color.g << 8 | color.b).toString(16).slice(1);
+			return '#' + (1 << 24 | color[0] << 16 | color[1] << 8 | color[2]).toString(16).slice(1);
 		}
 
 		if (format === 'rgb') {
-			if (color.alpha === undefined || color.alpha === 255) {
+			if (color[3] === undefined) {
 				// opaque color
-				return 'rgb(' + color.r + ', ' + color.g + ', ' + color.b + ')';
+				return 'rgb(' + color[0] + ', ' + color[1] + ', ' + color[2] + ')';
 			} else {
 				// transparent color
-				return 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + roundAlpha(color.alpha) + ')';
+				return 'rgba(' + color[0] + ', ' + color[1] + ', ' + color[2] + ', ' + roundAlpha(color[3]) + ')';
 			}
@@ -326,2 +329,6 @@ }
 
+var method = function method(k) {
+	return k === 'h' ? hue : k === 'alpha' ? alpha : generic;
+};
+
 var interpolate = (function (seeds) {
@@ -348,7 +355,5 @@ var mode = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'rgb';
 
-		// create a new color in the mode given, and map its values
-		return transform(function (v, k) {
-			var method = k === 'h' ? hue : k === 'alpha' ? alpha : generic;
-			return method(startColor[k], endColor[k], t0);
-		})({ mode: mode });
+		return fromArray(getChannels(mode).map(function (k) {
+			return method(k)(startColor[k], endColor[k], t0);
+		}), mode);
 	};
@@ -562,3 +567,3 @@ });
 	mode: 'rgb',
-	keys: ['r', 'g', 'b', 'alpha'],
+	channels: ['r', 'g', 'b'],
 	parsers: [parseHex, parseRgb, parseNamed, parseTransparent]
@@ -615,3 +620,3 @@ };
 	},
-	keys: ['r', 'g', 'b', 'alpha']
+	channels: ['r', 'g', 'b']
 };
@@ -711,3 +716,3 @@
 	},
-	keys: ['h', 's', 'l', 'alpha'],
+	channels: ['h', 's', 'l'],
 	parsers: [parseHsl]
@@ -776,3 +781,3 @@ };
 	},
-	keys: ['h', 's', 'v', 'alpha']
+	channels: ['h', 's', 'v']
 };
@@ -871,3 +876,3 @@
 	},
-	keys: ['h', 's', 'i', 'alpha']
+	channels: ['h', 's', 'i']
 };
@@ -962,3 +967,3 @@
 	},
-	keys: ['h', 'w', 'b', 'alpha'],
+	channels: ['h', 'w', 'b'],
 	parsers: [parseHwb]
@@ -1110,3 +1115,3 @@ };
 	},
-	keys: ['l', 'a', 'b', 'alpha'],
+	channels: ['l', 'a', 'b'],
 	parsers: [parseLab]
@@ -1204,3 +1209,3 @@ };
 	},
-	keys: ['l', 'c', 'h', 'alpha'],
+	channels: ['l', 'c', 'h'],
 	parsers: [parseLch]
@@ -1230,2 +1235,2 @@ };
 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, brighten, round, parse, named, transform, interpolate, samples };
+export { hsl, hsv, hsi, hwb$1 as hwb, rgb$1 as rgb, lab$1 as lab, lch$1 as lch, lrgb, css, converter, brighten, round, parse, named, interpolate, samples, fromArray, toArray$1 as toArray };

package.json

 {
   "name": "culori",
-  "version": "0.2.61",
+  "version": "0.2.62",
   "main": "build/culori.js",
@@ -5,0 +5,0 @@ "module": "build/index.js",

src/converter.js

 import parse from './parse';
 import { converters } from './modes';
+import fromArray from './fromArray';
 
@@ -7,5 +8,7 @@ const prepare = (color, mode) =>
 		parse(color) 
-		: color.mode === undefined ? 
-			{...color,  mode: mode } 
-			: color;
+		: Array.isArray(color) ? 
+			fromArray(color, mode)
+			: color.mode === undefined ? 
+				{...color,  mode: mode } 
+				: color;
 
@@ -12,0 +15,0 @@ const converter = (target_mode = 'rgb') =>

src/css.js

 import converter from './converter';
 import round from './round';
-import transform from './transform';
+import toArray from './toArray';
 
-let clampRGB = transform(
-	(v, k) => k === 'alpha' ? v : Math.round(Math.max(0, Math.min(v, 1)) * 255)
-);
-
 let rgb = converter('rgb');
 let roundAlpha = round(2);
+let clamp = v => Math.round(Math.max(0, Math.min(v, 1)) * 255);
 
 export default (format = 'rgb') => 
 	c => {
-		let color = clampRGB(rgb(c));
+		let color = toArray()(rgb(c))
+			.slice(0, 3)
+			.map(clamp)
+			.concat([c.alpha === 1 ? undefined : c.alpha ]);
 
 		if (format === 'hex') {
-			return '#' + (1 << 24 | color.r << 16 | color.g << 8 | color.b).toString(16).slice(1);
+			return '#' + (1 << 24 | color[0] << 16 | color[1] << 8 | color[2]).toString(16).slice(1);
 		}
 
 		if (format === 'rgb') {
-			if (color.alpha === undefined || color.alpha === 255) {
+			if (color[3] === undefined) {
 				// opaque color
-				return `rgb(${color.r}, ${color.g}, ${color.b})`;
+				return `rgb(${color[0]}, ${color[1]}, ${color[2]})`;
 			} else {
 				// transparent color
-				return `rgba(${color.r}, ${color.g}, ${color.b}, ${ roundAlpha(color.alpha) })`;
+				return `rgba(${color[0]}, ${color[1]}, ${color[2]}, ${ roundAlpha(color[3]) })`;
 			}
 		}
 	}

src/hsi/definition.js

@@ -12,3 +12,3 @@ import convertHsiToRgb from './convertHsiToRgb';
 	},
-	keys: ['h', 's', 'i', 'alpha']
+	channels: ['h', 's', 'i']
 }

src/hsl/definition.js

@@ -13,4 +13,4 @@ import convertHslToRgb from './convertHslToRgb';
 	},
-	keys: ['h', 's', 'l', 'alpha'],
+	channels: ['h', 's', 'l'],
 	parsers: [ parseHsl ]
 };

src/hsv/definition.js

@@ -12,3 +12,3 @@ import convertHsvToRgb from './convertHsvToRgb';
 	},
-	keys: ['h', 's', 'v', 'alpha']
+	channels: ['h', 's', 'v']
 };

src/hwb/definition.js

@@ -13,4 +13,4 @@ import convertHwbToRgb from './convertHwbToRgb';
 	},
-	keys: ['h', 'w', 'b', 'alpha'],
+	channels: ['h', 'w', 'b'],
 	parsers: [ parseHwb ]
 };

src/index.js

@@ -5,6 +5,7 @@ import css from './css';
 import named from './colors/named';
-import transform from './transform';
 import interpolate from './interpolate';
 import samples from './samples';
 import brighten from './brighten';
+import fromArray from './fromArray';
+import toArray from './toArray';
 
@@ -59,7 +60,8 @@ import parse from './parse';
 	named,
-	transform,
 	interpolate,
-	samples
+	samples,
+	fromArray,
+	toArray
 };
 
 export default culori;

src/interpolate.js

 import converter from './converter';
-import transform from './transform';
 import normalizeHue from './util/normalizeHue';
+import { getChannels } from './modes';
+import fromArray from './fromArray';
 
@@ -31,2 +32,4 @@ const linear = (a, b, t) => a + t * (b - a);
 
+let method = k => k === 'h' ? hue : k === 'alpha' ? alpha : generic;
+
 export default (seeds, mode = 'rgb') => {
@@ -51,10 +54,7 @@ if (seeds.length < 2) {
 
-		// create a new color in the mode given, and map its values
-		return transform(
-			(v, k) => {
-				let method = k === 'h' ? hue : k === 'alpha' ? alpha : generic;
-				return method(startColor[k], endColor[k], t0);
-			}
-		)({ mode: mode }) ;
+		return fromArray(
+			getChannels(mode).map(k => method(k)(startColor[k], endColor[k], t0)),
+			mode
+		);
 	};
 };

src/lab/definition.js

@@ -13,4 +13,4 @@ import convertLabToRgb from './convertLabToRgb';
 	},
-	keys: ['l', 'a', 'b', 'alpha'],
+	channels: ['l', 'a', 'b'],
 	parsers: [ parseLab ]
 };

src/lch/definition.js

@@ -17,4 +17,4 @@ import convertLabToLch from './convertLabToLch';
 	},
-	keys: ['l', 'c', 'h', 'alpha'],
+	channels: ['l', 'c', 'h'],
 	parsers: [ parseLch ]
 };

src/lrgb/definition.js

@@ -12,3 +12,3 @@ import convertRgbToLrgb from './convertRgbToLrgb';
 	},
-	keys: ['r', 'g', 'b', 'alpha']
+	channels: ['r', 'g', 'b']
 };

src/modes.js

 const converters = {};
-const components = {};
+const _channels = {};
 const parsers = [];
 
-const defineMode = ({ mode, input, output, keys, parsers: p  }) => {
+const defineMode = ({ mode, input, output, channels, parsers: p  }) => {
 	converters[mode] = Object.assign(converters[mode] || {}, output);
@@ -13,6 +13,13 @@ Object.keys(input || {}).forEach(k => {
 	});
-	components[mode] = keys;
+	_channels[mode] = channels.concat('alpha');
 	(p || []).forEach(parser => parsers.push(parser));
 }
 
-export { defineMode, components, converters, parsers };
+const getChannels = (mode) => _channels[mode];
+
+export { 
+	defineMode, 
+	getChannels, 
+	converters, 
+	parsers 
+};

src/rgb/definition.js

@@ -8,4 +8,4 @@ import parseNamed from './parseNamed';
 	mode: 'rgb',
-	keys: ['r', 'g', 'b', 'alpha'],
+	channels: ['r', 'g', 'b'],
 	parsers: [ parseHex, parseRgb, parseNamed, parseTransparent ]
 };

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Improved metrics

Total package byte prevSize

110165

increased by0.34%

Number of package files

67

increased by1.52%

Lines of code

3362

increased by0.57%

No dependency changes