culori - npm Package Compare versions

Comparing version 2.1.1 to 3.0.0-alpha.0

bundled/culori.min.js

@@ -1,1 +0,4 @@
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package.json

 {
 	"name": "culori",
-	"version": "2.1.1",
+	"version": "3.0.0-alpha.0",
 	"type": "module",
@@ -5,0 +5,0 @@ "main": "./bundled/culori.cjs",

src/hsl/definition.js

 import convertHslToRgb from './convertHslToRgb.js';
 import convertRgbToHsl from './convertRgbToHsl.js';
+import parseHslLegacy from './parseHslLegacy.js';
 import parseHsl from './parseHsl.js';
@@ -27,3 +28,3 @@ import { fixupHueShorter } from '../fixup/hue.js';
 
-	parse: [parseHsl],
+	parse: [parseHsl, parseHslLegacy],
 	serialize: c =>
@@ -30,0 +31,0 @@ `hsl(${c.h || 0} ${c.s !== undefined ? c.s * 100 + '%' : 'none'} ${

src/hsl/parseHsl.js

@@ -1,51 +0,38 @@
-import hueToDeg from '../util/hue.js';
-import {
-	hue,
-	per,
-	num_per,
-	hue_none,
-	per_none,
-	num_per_none,
-	c,
-	s
-} from '../util/regex.js';
+import { Tok } from '../parse.js';
 
-/*
-	hsl() regular expressions.
-	Reference: https://drafts.csswg.org/css-color/#the-hsl-notation
- */
-const hsl_old = new RegExp(
-	`^hsla?\\(\\s*${hue}${c}${per}${c}${per}\\s*(?:,\\s*${num_per}\\s*)?\\)$`
-);
-const hsl_new = new RegExp(
-	`^hsla?\\(\\s*${hue_none}${s}${per_none}${s}${per_none}\\s*(?:\\/\\s*${num_per_none}\\s*)?\\)$`
-);
+function parseHsl(color, parsed) {
+	if (!parsed || (parsed[0] !== 'hsl' && parsed[0] !== 'hsla')) {
+		return undefined;
+	}
+	const res = { mode: 'hsl' };
+	const [, h, s, l, alpha] = parsed;
 
-const parseHsl = color => {
-	let match = color.match(hsl_old) || color.match(hsl_new);
-	if (!match) return;
-	let res = { mode: 'hsl' };
+	if (h.type !== Tok.None) {
+		if (h.type === Tok.Percentage) {
+			return undefined;
+		}
+		res.h = h.value;
+	}
 
-	if (match[3] !== undefined) {
-		res.h = +match[3];
-	} else if (match[1] !== undefined && match[2] !== undefined) {
-		res.h = hueToDeg(match[1], match[2]);
+	if (s.type !== Tok.None) {
+		if (s.type === Tok.Hue) {
+			return undefined;
+		}
+		res.s = s.type === Tok.Number ? s.value : s.value / 100;
 	}
 
-	if (match[4] !== undefined) {
-		res.s = Math.min(Math.max(0, match[4] / 100), 1);
+	if (l.type !== Tok.None) {
+		if (l.type === Tok.Hue) {
+			return undefined;
+		}
+		res.l = l.type === Tok.Number ? l.value : l.value / 100;
 	}
 
-	if (match[5] !== undefined) {
-		res.l = Math.min(Math.max(0, match[5] / 100), 1);
+	if (alpha.type !== Tok.None) {
+		res.alpha = alpha.type === Tok.Number ? alpha.value : alpha.value / 100;
 	}
 
-	if (match[6] !== undefined) {
-		res.alpha = match[6] / 100;
-	} else if (match[7] !== undefined) {
-		res.alpha = +match[7];
-	}
 	return res;
-};
+}
 
 export default parseHsl;

src/hwb/parseHwb.js

@@ -1,41 +0,38 @@
-import { hue_none, per_none, num_per_none, s } from '../util/regex.js';
-import hueToDeg from '../util/hue.js';
+import { Tok } from '../parse.js';
 
-/*
-	hwb() regular expressions.
-	Reference: https://drafts.csswg.org/css-color/#the-hwb-notation
- */
-const hwb = new RegExp(
-	`^hwb\\(\\s*${hue_none}${s}${per_none}${s}${per_none}\\s*(?:\\/\\s*${num_per_none}\\s*)?\\)$`
-);
-
-const parseHwb = color => {
-	let match = color.match(hwb);
-	if (!match) {
+function ParseHwb(color, parsed) {
+	if (!parsed || parsed[0] !== 'hwb') {
 		return undefined;
 	}
+	const res = { mode: 'hwb' };
+	const [, h, w, b, alpha] = parsed;
 
-	let res = { mode: 'hwb' };
+	if (h.type !== Tok.None) {
+		if (h.type === Tok.Percentage) {
+			return undefined;
+		}
+		res.h = h.value;
+	}
 
-	if (match[3] !== undefined) {
-		res.h = +match[3];
-	} else if (match[1] !== undefined && match[2] !== undefined) {
-		res.h = hueToDeg(match[1], match[2]);
+	if (w.type !== Tok.None) {
+		if (w.type === Tok.Hue) {
+			return undefined;
+		}
+		res.w = w.type === Tok.Number ? w.value : w.value / 100;
 	}
 
-	if (match[4] !== undefined) {
-		res.w = match[4] / 100;
+	if (b.type !== Tok.None) {
+		if (b.type === Tok.Hue) {
+			return undefined;
+		}
+		res.b = b.type === Tok.Number ? b.value : b.value / 100;
 	}
-	if (match[5] !== undefined) {
-		res.b = match[5] / 100;
+
+	if (alpha.type !== Tok.None) {
+		res.alpha = alpha.type === Tok.Number ? alpha.value : alpha.value / 100;
 	}
 
-	if (match[6] !== undefined) {
-		res.alpha = match[6] / 100;
-	} else if (match[7] !== undefined) {
-		res.alpha = +match[7];
-	}
 	return res;
-};
+}
 
-export default parseHwb;
+export default ParseHwb;

src/index-fn.js

@@ -153,2 +153,6 @@ // Color space definitions
 export { default as parseRgb } from './rgb/parseRgb.js';
+export { default as parseHslLegacy } from './hsl/parseHslLegacy.js';
+export { default as parseRgbLegacy } from './rgb/parseRgbLegacy.js';
+export { default as parseOklab } from './oklab/parseOklab.js';
+export { default as parseOklch } from './oklch/parseOklch.js';
 
@@ -155,0 +159,0 @@ export { default as convertA98ToXyz65 } from './a98/convertA98ToXyz65.js';

src/index.js

@@ -154,2 +154,6 @@ // Color space definitions
 export { default as parseRgb } from './rgb/parseRgb.js';
+export { default as parseHslLegacy } from './hsl/parseHslLegacy.js';
+export { default as parseRgbLegacy } from './rgb/parseRgbLegacy.js';
+export { default as parseOklab } from './oklab/parseOklab.js';
+export { default as parseOklch } from './oklch/parseOklch.js';
 
@@ -156,0 +160,0 @@ export { default as convertA98ToXyz65 } from './a98/convertA98ToXyz65.js';

src/lab/definition.js

@@ -26,4 +26,4 @@ import convertLabToRgb from './convertLabToRgb.js';
 		l: [0, 100],
-		a: [-79.287, 93.55],
-		b: [-112.029, 93.388]
+		a: [-100, 100],
+		b: [-100, 100]
 	},
@@ -33,3 +33,3 @@
 	serialize: c =>
-		`lab(${c.l !== undefined ? c.l + '%' : 'none'} ${
+		`lab(${c.l !== undefined ? c.l : 'none'} ${
 			c.a !== undefined ? c.a : 'none'
@@ -36,0 +36,0 @@ } ${c.b !== undefined ? c.b : 'none'}${

src/lab/parseLab.js

@@ -1,40 +0,28 @@
-import { num_none, per_none, num_per_none, s } from '../util/regex.js';
+import { Tok } from '../parse.js';
 
-/*
-	lab() and lch() regular expressions.
-	Reference: https://drafts.csswg.org/css-color/#lab-colors
- */
-const lab = new RegExp(
-	`^lab\\(\\s*${per_none}${s}${num_none}${s}${num_none}\\s*(?:\\/\\s*${num_per_none}\\s*)?\\)$`
-);
-
-const parseLab = color => {
-	let match = color.match(lab);
-	if (!match) {
+function parseLab(color, parsed) {
+	if (!parsed || parsed[0] !== 'lab') {
 		return undefined;
 	}
-
-	let res = { mode: 'lab' };
-
-	if (match[1] !== undefined) {
-		res.l = +match[1];
+	const res = { mode: 'lab' };
+	const [, l, a, b, alpha] = parsed;
+	if (l.type === Tok.Hue || a.type === Tok.Hue || b.type === Tok.Hue) {
+		return undefined;
 	}
-
-	if (match[2] !== undefined) {
-		res.a = +match[2];
+	if (l.type !== Tok.None) {
+		res.l = l.value;
 	}
-
-	if (match[3] !== undefined) {
-		res.b = +match[3];
+	if (a.type !== Tok.None) {
+		res.a = a.type === Tok.Number ? a.value : (a.value * 125) / 100;
 	}
-
-	if (match[4] !== undefined) {
-		res.alpha = match[4] / 100;
-	} else if (match[5] !== undefined) {
-		res.alpha = +match[5];
+	if (b.type !== Tok.None) {
+		res.b = b.type === Tok.Number ? b.value : (b.value * 125) / 100;
 	}
+	if (alpha.type !== Tok.None) {
+		res.alpha = alpha.type === Tok.Number ? alpha.value : alpha.value / 100;
+	}
 
 	return res;
-};
+}
 
 export default parseLab;

src/lch/definition.js

@@ -29,3 +29,3 @@ import convertLabToLch from './convertLabToLch.js';
 		l: [0, 100],
-		c: [0, 131.207],
+		c: [0, 150],
 		h: [0, 360]
@@ -36,3 +36,3 @@ },
 	serialize: c =>
-		`lch(${c.l !== undefined ? c.l + '%' : 'none'} ${
+		`lch(${c.l !== undefined ? c.l : 'none'} ${
 			c.c !== undefined ? c.c : 'none'
@@ -39,0 +39,0 @@ } ${c.h || 0}${c.alpha < 1 ? ` / ${c.alpha}` : ''})`,

src/lch/parseLch.js

@@ -1,46 +0,34 @@
-import hueToDeg from '../util/hue.js';
-import {
-	hue_none,
-	num_none,
-	per_none,
-	num_per_none,
-	s
-} from '../util/regex.js';
+import { Tok } from '../parse.js';
 
-const lch = new RegExp(
-	`^lch\\(\\s*${per_none}${s}${num_none}${s}${hue_none}\\s*(?:\\/\\s*${num_per_none}\\s*)?\\)$`
-);
-
-const parseLch = color => {
-	let match = color.match(lch);
-
-	if (!match) {
+function parseLch(color, parsed) {
+	if (!parsed || parsed[0] !== 'lch') {
 		return undefined;
 	}
-
-	let res = { mode: 'lch' };
-
-	if (match[1] !== undefined) {
-		res.l = +match[1];
+	const res = { mode: 'lch' };
+	const [, l, c, h, alpha] = parsed;
+	if (l.type !== Tok.None) {
+		if (l.type === Tok.Hue) {
+			return undefined;
+		}
+		res.l = l.value;
 	}
-
-	if (match[2] !== undefined) {
-		res.c = Math.max(0, +match[2]);
+	if (c.type !== Tok.None) {
+		res.c = Math.max(
+			0,
+			c.type === Tok.Number ? c.value : (c.value * 150) / 100
+		);
 	}
-
-	if (match[5] !== undefined) {
-		res.h = +match[5];
-	} else if (match[3] !== undefined && match[4] !== undefined) {
-		res.h = hueToDeg(match[3], match[4]);
+	if (h.type !== Tok.None) {
+		if (h.type === Tok.Percentage) {
+			return undefined;
+		}
+		res.h = h.value;
 	}
-
-	if (match[6] !== undefined) {
-		res.alpha = match[6] / 100;
-	} else if (match[7] !== undefined) {
-		res.alpha = +match[7];
+	if (alpha.type !== Tok.None) {
+		res.alpha = alpha.type === Tok.Number ? alpha.value : alpha.value / 100;
 	}
 
 	return res;
-};
+}
 
 export default parseLch;

src/lrgb/definition.js

@@ -17,6 +17,6 @@ import rgb from '../rgb/definition.js';
 
-	parse: ['--srgb-linear'],
-	serialize: '--srgb-linear'
+	parse: ['srgb-linear'],
+	serialize: 'srgb-linear'
 };
 
 export default definition;

src/map.js

@@ -10,2 +10,5 @@ import converter from './converter.js';
 		let conv_color = conv(color);
+		if (!conv_color) {
+			return undefined;
+		}
 		let res = (channels || getMode(color.mode).channels).reduce(
@@ -12,0 +15,0 @@ (res, ch) => {

src/oklab/definition.js

@@ -5,2 +5,3 @@ import convertOklabToLrgb from './convertOklabToLrgb.js';
 import convertOklabToRgb from './convertOklabToRgb.js';
+import parseOklab from './parseOklab.js';
 
@@ -29,11 +30,16 @@ import lab from '../lab/definition.js';
 	ranges: {
-		l: [0, 0.999],
-		a: [-0.233, 0.276],
-		b: [-0.311, 0.198]
+		l: [0, 1],
+		a: [-0.4, 0.4],
+		b: [-0.4, 0.4]
 	},
 
-	parse: ['--oklab'],
-	serialize: '--oklab'
+	parse: [parseOklab, '--oklab'],
+	serialize: c =>
+		`oklab(${c.l !== undefined ? c.l : 'none'} ${
+			c.a !== undefined ? c.a : 'none'
+		} ${c.b !== undefined ? c.b : 'none'}${
+			c.alpha < 1 ? ` / ${c.alpha}` : ''
+		})`
 };
 
 export default definition;

src/oklch/definition.js

@@ -6,2 +6,3 @@ import lch from '../lch/definition.js';
 import convertRgbToOklab from '../oklab/convertRgbToOklab.js';
+import parseOklch from './parseOklch.js';
 
@@ -22,8 +23,11 @@ const definition = {
 
-	parse: ['--oklch'],
-	serialize: '--oklch',
+	parse: [parseOklch, '--oklch'],
+	serialize: c =>
+		`oklch(${c.l !== undefined ? c.l : 'none'} ${
+			c.c !== undefined ? c.c : 'none'
+		} ${c.h || 0}${c.alpha < 1 ? ` / ${c.alpha}` : ''})`,
 
 	ranges: {
-		l: [0, 0.999],
-		c: [0, 0.322],
+		l: [0, 1],
+		c: [0, 0.4],
 		h: [0, 360]
@@ -30,0 +34,0 @@ }

src/parse.js

 import { parsers, colorProfiles, getMode } from './modes.js';
-import { rx_num_per_none } from './util/regex.js';
 
-function parseColorSyntax(color) {
-	const m = color.match(/^color\(\s*([a-z0-9-]+)\s*(.*?)\s*\)$/);
-	if (!m) {
+/* eslint-disable-next-line no-control-regex */
+const IdentStartCodePoint = /[^\x00-\x7F]|[a-zA-Z_]/;
+
+/* eslint-disable-next-line no-control-regex */
+const IdentCodePoint = /[^\x00-\x7F]|[-\w]/;
+
+export const Tok = {
+	Function: 'function',
+	Ident: 'ident',
+	Number: 'number',
+	Percentage: 'percentage',
+	ParenClose: ')',
+	None: 'none',
+	Hue: 'hue',
+	Alpha: 'alpha'
+};
+
+/*
+	4.3.10. Check if three code points would start a number
+	https://drafts.csswg.org/css-syntax/#starts-with-a-number
+ */
+function is_num(chars) {
+	let ch = chars[chars._i];
+	let ch1 = chars[chars._i + 1];
+	if (ch === '-' || ch === '+') {
+		return (
+			/\d/.test(ch1) || (ch1 === '.' && /\d/.test(chars[chars._i + 2]))
+		);
+	}
+	if (ch === '.') {
+		return /\d/.test(ch1);
+	}
+	return /\d/.test(ch);
+}
+
+/*
+	Check if the stream starts with an identifier.
+ */
+
+function is_ident(chars) {
+	if (chars._i >= chars.length) {
+		return false;
+	}
+	let ch = chars[chars._i];
+	if (ch.match(IdentStartCodePoint)) {
+		return true;
+	}
+	if (ch === '-') {
+		if (chars.length - chars._i < 2) {
+			return false;
+		}
+		let ch1 = chars[chars._i + 1];
+		if (ch1.match(IdentStartCodePoint) || ch1 === '-') {
+			return true;
+		}
+		return false;
+	}
+	return false;
+}
+
+/*
+	4.3.3. Consume a numeric token
+	https://drafts.csswg.org/css-syntax/#consume-numeric-token
+ */
+
+const huenits = {
+	deg: 1,
+	rad: 180 / Math.PI,
+	grad: 9 / 10,
+	turn: 360
+};
+
+function num(chars) {
+	let value = '';
+	if (/[+-]/.test(chars[chars._i])) {
+		value += chars[chars._i++];
+	}
+	value += digits(chars);
+	if (chars[chars._i] === '.' && /\d/.test(chars[chars._i + 1])) {
+		value += chars[chars._i++] + digits(chars);
+	}
+	if (/e/i.test(chars[chars._i])) {
+		if (
+			/[+-]/.test(chars[chars._i + 1]) &&
+			/\d/.test(chars[chars._i + 2])
+		) {
+			value += chars[chars._i++] + chars[chars._i++] + digits(chars);
+		} else if (/\d/.test(chars[chars._i + 1])) {
+			value += chars[chars._i++] + digits(chars);
+		}
+	}
+	if (is_ident(chars)) {
+		let id = ident(chars);
+		if (/deg|rad|turn|grad/.test(id)) {
+			return { type: Tok.Hue, value: value * huenits[id] };
+		}
 		return undefined;
 	}
-	const mode = colorProfiles[m[1]];
+	if (chars[chars._i] === '%') {
+		chars._i++;
+		return { type: Tok.Percentage, value: +value };
+	}
+	return { type: Tok.Number, value: +value };
+}
+
+/*
+	Consume digits.
+ */
+function digits(chars) {
+	let v = '';
+	while (/\d/.test(chars[chars._i])) {
+		v += chars[chars._i++];
+	}
+	return v;
+}
+
+/*
+	Consume an identifier.
+ */
+function ident(chars) {
+	let v = '';
+	while (chars._i < chars.length && chars[chars._i].match(IdentCodePoint)) {
+		v += chars[chars._i++];
+	}
+	return v;
+}
+
+/*
+	Consume an ident-like token.
+ */
+function identlike(chars) {
+	let v = ident(chars);
+	if (chars[chars._i] === '(') {
+		chars._i++;
+		return { type: Tok.Function, value: v };
+	}
+	if (v === 'none') {
+		return { type: Tok.None, value: undefined };
+	}
+	return { type: Tok.Ident, value: v };
+}
+
+export function tokenize(str = '') {
+	let chars = str.trim().split('');
+	chars._i = 0;
+	let tokens = [];
+	let ch;
+
+	while (chars._i < chars.length) {
+		ch = chars[chars._i++];
+
+		/*
+			Consume whitespace without emitting it
+		 */
+		if (ch === '\n' || ch === '\t' || ch === ' ') {
+			while (
+				chars._i < chars.length &&
+				(chars[chars._i] === '\n' ||
+					chars[chars._i] === '\t' ||
+					chars[chars._i] === ' ')
+			) {
+				chars._i++;
+			}
+			continue;
+		}
+
+		if (ch === ',') {
+			return undefined;
+		}
+
+		if (ch === ')') {
+			tokens.push({ type: Tok.ParenClose });
+			continue;
+		}
+
+		if (ch === '+') {
+			if (is_num(chars)) {
+				chars._i--;
+				tokens.push(num(chars));
+				continue;
+			}
+			return undefined;
+		}
+
+		if (ch === '-') {
+			if (is_num(chars)) {
+				chars._i--;
+				tokens.push(num(chars));
+				continue;
+			} else if (is_ident(chars)) {
+				chars._i--;
+				tokens.push({ type: Tok.Ident, value: ident(chars) });
+				continue;
+			}
+			return undefined;
+		}
+
+		if (ch === '.') {
+			if (is_num(chars)) {
+				chars._i--;
+				tokens.push(num(chars));
+				continue;
+			}
+			return undefined;
+		}
+
+		if (ch === '/') {
+			while (
+				chars._i < chars.length &&
+				(chars[chars._i] === '\n' ||
+					chars[chars._i] === '\t' ||
+					chars[chars._i] === ' ')
+			) {
+				chars._i++;
+			}
+			let alpha;
+			if (is_num(chars)) {
+				alpha = num(chars);
+				if (alpha.type !== Tok.Hue) {
+					tokens.push({ type: Tok.Alpha, value: alpha });
+					continue;
+				}
+			}
+			if (is_ident(chars)) {
+				if (ident(chars) === 'none') {
+					tokens.push({
+						type: Tok.Alpha,
+						value: { type: Tok.None, value: undefined }
+					});
+					continue;
+				}
+			}
+			return undefined;
+		}
+
+		if (ch.match(/\d/)) {
+			chars._i--;
+			tokens.push(num(chars));
+			continue;
+		}
+
+		if (ch.match(IdentStartCodePoint)) {
+			chars._i--;
+			tokens.push(identlike(chars));
+			continue;
+		}
+
+		/*
+			Treat everything not already handled as an error.
+		 */
+		return undefined;
+	}
+
+	return tokens;
+}
+
+export function parseColorSyntax(tokens) {
+	tokens._i = 0;
+	let token = tokens[tokens._i++];
+	if (!token || token.type !== Tok.Function || token.value !== 'color') {
+		return undefined;
+	}
+	token = tokens[tokens._i++];
+	if (token.type !== Tok.Ident) {
+		return undefined;
+	}
+	const mode = colorProfiles[token.value];
 	if (!mode) {
@@ -14,38 +274,71 @@ return undefined;
 	const res = { mode };
-	const [cmp_string, alpha] = m[2].split(/\s*\/\s*/);
-	let cm;
-	if (alpha !== undefined) {
-		cm = alpha.match(rx_num_per_none);
-		if (!cm) {
-			return undefined;
+	const coords = consumeCoords(tokens, false);
+	if (!coords) {
+		return undefined;
+	}
+	const channels = getMode(mode).channels;
+	for (let ii = 0, c; ii < channels.length; ii++) {
+		c = coords[ii];
+		if (c.type !== Tok.None) {
+			res[channels[ii]] = c.type === Tok.Number ? c.value : c.value / 100;
 		}
-		if (cm[1] !== undefined) {
-			res.alpha = cm[1] / 100;
-		} else if (cm[2] !== undefined) {
-			res.alpha = +cm[2];
-		}
 	}
-	const components = cmp_string.split(/\s+/);
-	let channels = getMode(mode).channels;
-	for (let i = 0, ch; i < channels.length; i++) {
-		ch = channels[i];
-		if (ch === 'alpha') {
+	return res;
+}
+
+function consumeCoords(tokens, includeHue) {
+	const coords = [];
+	let token;
+	while (tokens._i < tokens.length) {
+		token = tokens[tokens._i++];
+		if (
+			token.type === Tok.None ||
+			token.type === Tok.Number ||
+			token.type === Tok.Alpha ||
+			token.type === Tok.Percentage ||
+			token.type === Tok.Hue
+		) {
+			coords.push(token);
 			continue;
 		}
-		if (i >= components.length || !components[i]) {
-			res[ch] = 0;
+		if (token.type === Tok.ParenClose) {
+			if (tokens._i < tokens.length) {
+				return undefined;
+			}
 			continue;
 		}
-		if (!(cm = components[i].match(rx_num_per_none))) {
+		return undefined;
+	}
+
+	if (coords.length < 3 || coords.length > 4) {
+		return undefined;
+	}
+
+	if (coords.length === 4) {
+		if (coords[3].type !== Tok.Alpha) {
 			return undefined;
 		}
-		if (cm[1] !== undefined) {
-			res[ch] = cm[1] / 100;
-		} else if (cm[2] !== undefined) {
-			res[ch] = +cm[2];
-		}
+		coords[3] = coords[3].value;
 	}
-	return res;
+	if (coords.length === 3) {
+		coords.push({ type: Tok.None, value: undefined });
+	}
+
+	return coords.every(c => c.type !== Tok.Alpha) ? coords : undefined;
 }
 
+export function parseModernSyntax(tokens, includeHue) {
+	tokens._i = 0;
+	let token = tokens[tokens._i++];
+	if (!token || token.type !== Tok.Function) {
+		return undefined;
+	}
+	let coords = consumeCoords(tokens, includeHue);
+	if (!coords) {
+		return undefined;
+	}
+	coords.unshift(token.value);
+	return coords;
+}
+
 const parse = color => {
@@ -55,2 +348,4 @@ if (typeof color !== 'string') {
 	}
+	const tokens = tokenize(color);
+	const parsed = tokens ? parseModernSyntax(tokens, true) : undefined;
 	let result = undefined;
@@ -60,9 +355,9 @@ let i = 0;
 	while (i < len) {
-		if ((result = parsers[i++](color)) !== undefined) {
+		if ((result = parsers[i++](color, parsed)) !== undefined) {
 			return result;
 		}
 	}
-	return parseColorSyntax(color);
+	return tokens ? parseColorSyntax(tokens) : undefined;
 };
 
 export default parse;

src/rgb/definition.js

 import parseNamed from './parseNamed.js';
 import parseHex from './parseHex.js';
+import parseRgbLegacy from './parseRgbLegacy.js';
 import parseRgb from './parseRgb.js';
@@ -15,5 +16,11 @@ import parseTransparent from './parseTransparent.js';
 	channels: ['r', 'g', 'b', 'alpha'],
-	parse: [parseHex, parseRgb, parseNamed, parseTransparent, 'srgb'],
+	parse: [
+		parseRgb,
+		parseHex,
+		parseRgbLegacy,
+		parseNamed,
+		parseTransparent,
+		'srgb'
+	],
 	serialize: 'srgb',
-
 	interpolate: {
@@ -20,0 +27,0 @@ r: interpolatorLinear,

src/rgb/parseRgb.js

@@ -1,68 +0,28 @@
-import {
-	num,
-	per,
-	num_per,
-	num_none,
-	per_none,
-	num_per_none,
-	c,
-	s
-} from '../util/regex.js';
+import { Tok } from '../parse.js';
 
-/*
-	rgb() regular expressions.
-	Reference: https://drafts.csswg.org/css-color/#rgb-functions
- */
-const rgb_num_old = new RegExp(
-	`^rgba?\\(\\s*${num}${c}${num}${c}${num}\\s*(?:,\\s*${num_per}\\s*)?\\)$`
-);
-
-const rgb_per_old = new RegExp(
-	`^rgba?\\(\\s*${per}${c}${per}${c}${per}\\s*(?:,\\s*${num_per}\\s*)?\\)$`
-);
-
-const rgb_num_new = new RegExp(
-	`^rgba?\\(\\s*${num_none}${s}${num_none}${s}${num_none}\\s*(?:\\/\\s*${num_per_none}\\s*)?\\)$`
-);
-
-const rgb_per_new = new RegExp(
-	`^rgba?\\(\\s*${per_none}${s}${per_none}${s}${per_none}\\s*(?:\\/\\s*${num_per_none}\\s*)?\\)$`
-);
-
-const parseRgb = color => {
-	let res = { mode: 'rgb' };
-	let match;
-	if ((match = color.match(rgb_num_old) || color.match(rgb_num_new))) {
-		if (match[1] !== undefined) {
-			res.r = match[1] / 255;
-		}
-		if (match[2] !== undefined) {
-			res.g = match[2] / 255;
-		}
-		if (match[3] !== undefined) {
-			res.b = match[3] / 255;
-		}
-	} else if ((match = color.match(rgb_per_old) || color.match(rgb_per_new))) {
-		if (match[1] !== undefined) {
-			res.r = match[1] / 100;
-		}
-		if (match[2] !== undefined) {
-			res.g = match[2] / 100;
-		}
-		if (match[3] !== undefined) {
-			res.b = match[3] / 100;
-		}
-	} else {
+function parseRgb(color, parsed) {
+	if (!parsed || (parsed[0] !== 'rgb' && parsed[0] !== 'rgba')) {
 		return undefined;
 	}
-
-	if (match[4] !== undefined) {
-		res.alpha = match[4] / 100;
-	} else if (match[5] !== undefined) {
-		res.alpha = +match[5];
+	const res = { mode: 'rgb' };
+	const [, r, g, b, alpha] = parsed;
+	if (r.type === Tok.Hue || g.type === Tok.Hue || b.type === Tok.Hue) {
+		return undefined;
 	}
+	if (r.type !== Tok.None) {
+		res.r = r.type === Tok.Number ? r.value / 255 : r.value / 100;
+	}
+	if (g.type !== Tok.None) {
+		res.g = g.type === Tok.Number ? g.value / 255 : g.value / 100;
+	}
+	if (b.type !== Tok.None) {
+		res.b = b.type === Tok.Number ? b.value / 255 : b.value / 100;
+	}
+	if (alpha.type !== Tok.None) {
+		res.alpha = alpha.type === Tok.Number ? alpha.value : alpha.value / 100;
+	}
 
 	return res;
-};
+}
 
 export default parseRgb;

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Total package byte prevSize

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increased by7.09%

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increased by2.5%

Lines of code

24622

increased by7.71%

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