From ec5aa92b71749a98c2dd2a8aff12809d3b100a2a Mon Sep 17 00:00:00 2001 From: Gregor Aisch Date: Sun, 18 Aug 2024 01:09:03 +0200 Subject: [PATCH 1/2] fix: parse modern css color alpha with or without % --- src/io/css/css2rgb.js | 178 +++++++++++++++++++++------------------- test/io/css2rgb.test.js | 6 ++ 2 files changed, 101 insertions(+), 83 deletions(-) diff --git a/src/io/css/css2rgb.js b/src/io/css/css2rgb.js index 1519fe13..b96cff97 100644 --- a/src/io/css/css2rgb.js +++ b/src/io/css/css2rgb.js @@ -7,42 +7,75 @@ import input from '../input.js'; import limit from '../../utils/limit.js'; import { getLabWhitePoint, setLabWhitePoint } from '../lab/lab-constants.js'; -const RE_RGB = /^rgb\(\s*(-?\d+) \s*(-?\d+)\s* \s*(-?\d+)\s*\)$/; -const RE_RGB_LEGACY = /^rgb\(\s*(-?\d+),\s*(-?\d+)\s*,\s*(-?\d+)\s*\)$/; - -const RE_RGBA = - /^rgba?\(\s*(-?\d+) \s*(-?\d+)\s* \s*(-?\d+)\s*\/\s*([01]|[01]?\.\d+)\)$/; -const RE_RGBA_LEGACY = - /^rgba\(\s*(-?\d+),\s*(-?\d+)\s*,\s*(-?\d+)\s*,\s*([01]|[01]?\.\d+)\)$/; - -const RE_RGB_PCT = - /^rgb\(\s*(-?\d+(?:\.\d+)?)% \s*(-?\d+(?:\.\d+)?)%\s* \s*(-?\d+(?:\.\d+)?)%\s*\)$/; -const RE_RGB_PCT_LEGACY = - /^rgb\(\s*(-?\d+(?:\.\d+)?)%,\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*\)$/; - -const RE_RGBA_PCT = - /^rgba?\(\s*(-?\d+(?:\.\d+)?)% \s*(-?\d+(?:\.\d+)?)%\s* \s*(-?\d+(?:\.\d+)?)%\s*\/\s*([01]|[01]?\.\d+)\)$/; -const RE_RGBA_PCT_LEGACY = - /^rgba\(\s*(-?\d+(?:\.\d+)?)%,\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*,\s*([01]|[01]?\.\d+)\)$/; - -const RE_HSL = - /^hsl\(\s*(-?\d+(?:\.\d+)?)deg \s*(-?\d+(?:\.\d+)?)%\s* \s*(-?\d+(?:\.\d+)?)%\s*\)$/; -const RE_HSL_LEGACY = - /^hsl\(\s*(-?\d+(?:\.\d+)?),\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*\)$/; - -const RE_HSLA = - /^hsla?\(\s*(-?\d+(?:\.\d+)?)deg \s*(-?\d+(?:\.\d+)?)%\s* \s*(-?\d+(?:\.\d+)?)%\s*\/\s*([01]|[01]?\.\d+)\)$/; +const INT_OR_PCT = /((?:-?\d+)|(?:-?\d+(?:\.\d+)?)%|none)/.source; +const FLOAT_OR_PCT = /((?:-?(?:\d+(?:\.\d*)?|\.\d+)%?)|none)/.source; +const PCT = /((?:-?(?:\d+(?:\.\d*)?|\.\d+)%)|none)/.source; +const RE_S = /\s*/.source; +const SEP = /\s+/.source; +const COMMA = /\s*,\s*/.source; +const ANLGE = /((?:-?(?:\d+(?:\.\d*)?|\.\d+)(?:deg)?)|none)/.source; +const ALPHA = /\s*(?:\/\s*((?:[01]|[01]?\.\d+)|\d+(?:\.\d+)?%))?/.source; + +// e.g. rgb(250 20 0), rgb(100% 50% 20%), rgb(100% 50% 20% / 0.5) +const RE_RGB = new RegExp( + '^rgba?\\(' + + RE_S + + [INT_OR_PCT, INT_OR_PCT, INT_OR_PCT].join(SEP) + + ALPHA + + '\\)$' +); +const RE_RGB_LEGACY = new RegExp( + '^rgb\\(' + + RE_S + + [INT_OR_PCT, INT_OR_PCT, INT_OR_PCT].join(COMMA) + + RE_S + + '\\)$' +); +const RE_RGBA_LEGACY = new RegExp( + '^rgba\\(' + + RE_S + + [INT_OR_PCT, INT_OR_PCT, INT_OR_PCT, FLOAT_OR_PCT].join(COMMA) + + RE_S + + '\\)$' +); + +const RE_HSL = new RegExp( + '^hsla?\\(' + RE_S + [ANLGE, PCT, PCT].join(SEP) + ALPHA + '\\)$' +); +const RE_HSL_LEGACY = new RegExp( + '^hsl?\\(' + RE_S + [ANLGE, PCT, PCT].join(COMMA) + RE_S + '\\)$' +); const RE_HSLA_LEGACY = /^hsla\(\s*(-?\d+(?:\.\d+)?),\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*,\s*([01]|[01]?\.\d+)\)$/; -const RE_LAB = - /^lab\(\s*(-?\d+(?:\.\d+)?%?) \s*(-?\d+(?:\.\d+)?%?) \s*(-?\d+(?:\.\d+)?%?)\s*(?:\/\s*(\d+(?:\.\d+)?))?\)?$/; -const RE_LCH = - /^lch\(\s*(-?\d+(?:\.\d+)?%?) \s*((?:-?\d+(?:\.\d+)?%?)|none) \s*(-?\d+(?:\.\d+)?(?:deg)?|none)\s*(?:\/\s*(\d+(?:\.\d+)?))?\)?$/; -const RE_OKLAB = - /^oklab\(\s*(-?\d+(?:\.\d+)?%?) \s*(-?\d+(?:\.\d+)?%?) \s*(-?\d+(?:\.\d+)?%?)\s*(?:\/\s*(\d+(?:\.\d+)?))?\)?$/; -const RE_OKLCH = - /^oklch\(\s*(-?\d+(?:\.\d+)?%?) \s*(?:(-?\d+(?:\.\d+)?%?)|none) \s*(-?\d+(?:\.\d+)?(?:deg)?|none)\s*(?:\/\s*(\d+(?:\.\d+)?))?\)?$/; +const RE_LAB = new RegExp( + '^lab\\(' + + RE_S + + [FLOAT_OR_PCT, FLOAT_OR_PCT, FLOAT_OR_PCT].join(SEP) + + ALPHA + + '\\)$' +); +const RE_LCH = new RegExp( + '^lch\\(' + + RE_S + + [FLOAT_OR_PCT, FLOAT_OR_PCT, ANLGE].join(SEP) + + ALPHA + + '\\)$' +); +const RE_OKLAB = new RegExp( + '^oklab\\(' + + RE_S + + [FLOAT_OR_PCT, FLOAT_OR_PCT, FLOAT_OR_PCT].join(SEP) + + ALPHA + + '\\)$' +); +const RE_OKLCH = new RegExp( + '^oklch\\(' + + RE_S + + [FLOAT_OR_PCT, FLOAT_OR_PCT, ANLGE].join(SEP) + + ALPHA + + '\\)$' +); const { round } = Math; @@ -80,58 +113,39 @@ const css2rgb = (css) => { // rgb(250 20 0) or rgb(250,20,0) if ((m = css.match(RE_RGB)) || (m = css.match(RE_RGB_LEGACY))) { - const rgb = m.slice(1, 4); + let rgb = m.slice(1, 4); for (let i = 0; i < 3; i++) { - rgb[i] = +rgb[i]; + rgb[i] = +percentToAbsolute(noneToValue(rgb[i], 0), 0, 255); } - rgb[3] = 1; // default alpha + rgb = roundRGB(rgb); + const alpha = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb[3] = alpha; // default alpha return rgb; } // rgba(250,20,0,0.4) - if ((m = css.match(RE_RGBA)) || (m = css.match(RE_RGBA_LEGACY))) { + if ((m = css.match(RE_RGBA_LEGACY))) { const rgb = m.slice(1, 5); for (let i = 0; i < 4; i++) { - rgb[i] = +rgb[i]; + rgb[i] = +percentToAbsolute(rgb[i], 0, 255); } return rgb; } - // rgb(100%,0%,0%) - if ((m = css.match(RE_RGB_PCT)) || (m = css.match(RE_RGB_PCT_LEGACY))) { - const rgb = m.slice(1, 4); - for (let i = 0; i < 3; i++) { - rgb[i] = round(rgb[i] * 2.55); - } - rgb[3] = 1; // default alpha - return rgb; - } - - // rgba(100%,0%,0%,0.4) - if ((m = css.match(RE_RGBA_PCT)) || (m = css.match(RE_RGBA_PCT_LEGACY))) { - const rgb = m.slice(1, 5); - for (let i = 0; i < 3; i++) { - rgb[i] = round(rgb[i] * 2.55); - } - rgb[3] = +rgb[3]; - return rgb; - } - // hsl(0,100%,50%) if ((m = css.match(RE_HSL)) || (m = css.match(RE_HSL_LEGACY))) { const hsl = m.slice(1, 4); - hsl[1] *= 0.01; - hsl[2] *= 0.01; - const rgb = hsl2rgb(hsl); - for (let i = 0; i < 3; i++) { - rgb[i] = round(rgb[i]); - } - rgb[3] = 1; + hsl[0] = +noneToValue(hsl[0].replace('deg', ''), 0); + hsl[1] = +percentToAbsolute(noneToValue(hsl[1], 0), 0, 100) * 0.01; + hsl[2] = +percentToAbsolute(noneToValue(hsl[2], 0), 0, 100) * 0.01; + const rgb = roundRGB(hsl2rgb(hsl)); + const alpha = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb[3] = alpha; return rgb; } // hsla(0,100%,50%,0.5) - if ((m = css.match(RE_HSLA)) || (m = css.match(RE_HSLA_LEGACY))) { + if ((m = css.match(RE_HSLA_LEGACY))) { const hsl = m.slice(1, 4); hsl[1] *= 0.01; hsl[2] *= 0.01; @@ -145,16 +159,17 @@ const css2rgb = (css) => { if ((m = css.match(RE_LAB))) { const lab = m.slice(1, 4); - lab[0] = percentToAbsolute(lab[0], 0, 100); - lab[1] = percentToAbsolute(lab[1], -125, 125, true); - lab[2] = percentToAbsolute(lab[2], -125, 125, true); + lab[0] = percentToAbsolute(noneToValue(lab[0], 0), 0, 100); + lab[1] = percentToAbsolute(noneToValue(lab[1], 0), -125, 125, true); + lab[2] = percentToAbsolute(noneToValue(lab[2], 0), -125, 125, true); // convert to D50 Lab whitepoint const wp = getLabWhitePoint(); setLabWhitePoint('d50'); const rgb = roundRGB(lab2rgb(lab)); // convert back to original Lab whitepoint setLabWhitePoint(wp); - rgb[3] = m[4] !== undefined ? +m[4] : 1; + const alpha = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb[3] = alpha; return rgb; } @@ -169,27 +184,30 @@ const css2rgb = (css) => { const rgb = roundRGB(lch2rgb(lch)); // convert back to original Lab whitepoint setLabWhitePoint(wp); - rgb[3] = m[4] !== undefined ? +m[4] : 1; + const alpha = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb[3] = alpha; return rgb; } if ((m = css.match(RE_OKLAB))) { const oklab = m.slice(1, 4); - oklab[0] = percentToAbsolute(oklab[0], 0, 1); - oklab[1] = percentToAbsolute(oklab[1], -0.4, 0.4, true); - oklab[2] = percentToAbsolute(oklab[2], -0.4, 0.4, true); + oklab[0] = percentToAbsolute(noneToValue(oklab[0], 0), 0, 1); + oklab[1] = percentToAbsolute(noneToValue(oklab[1], 0), -0.4, 0.4, true); + oklab[2] = percentToAbsolute(noneToValue(oklab[2], 0), -0.4, 0.4, true); const rgb = roundRGB(oklab2rgb(oklab)); - rgb[3] = m[4] !== undefined ? +m[4] : 1; + const alpha = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb[3] = alpha; return rgb; } if ((m = css.match(RE_OKLCH))) { const oklch = m.slice(1, 4); - oklch[0] = percentToAbsolute(oklch[0], 0, 1); + oklch[0] = percentToAbsolute(noneToValue(oklch[0], 0), 0, 1); oklch[1] = percentToAbsolute(noneToValue(oklch[1], 0), 0, 0.4, false); oklch[2] = +noneToValue(oklch[2].replace('deg', ''), 0); const rgb = roundRGB(oklch2rgb(oklch)); - rgb[3] = m[4] !== undefined ? +m[4] : 1; + const alpha = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb[3] = alpha; return rgb; } }; @@ -198,11 +216,7 @@ css2rgb.test = (s) => { return ( // modern RE_RGB.test(s) || - RE_RGBA.test(s) || - RE_RGB_PCT.test(s) || - RE_RGBA_PCT.test(s) || RE_HSL.test(s) || - RE_HSLA.test(s) || RE_LAB.test(s) || RE_LCH.test(s) || RE_OKLAB.test(s) || @@ -210,8 +224,6 @@ css2rgb.test = (s) => { // legacy RE_RGB_LEGACY.test(s) || RE_RGBA_LEGACY.test(s) || - RE_RGB_PCT_LEGACY.test(s) || - RE_RGBA_PCT_LEGACY.test(s) || RE_HSL_LEGACY.test(s) || RE_HSLA_LEGACY.test(s) ); diff --git a/test/io/css2rgb.test.js b/test/io/css2rgb.test.js index e1a17df8..6ab779a9 100644 --- a/test/io/css2rgb.test.js +++ b/test/io/css2rgb.test.js @@ -9,6 +9,7 @@ describe('Testing CSS2RGB color conversions', () => { 'rgb(0 0 0)': [0, 0, 0, 1], 'rgb(0% 0% 0%)': [0, 0, 0, 1], 'rgb(0% 100% 100%)': [0, 255, 255, 1], + 'rgb(none none 50%)': [0, 0, 128, 1], 'rgb(0% 100% 100% / 0.5)': [0, 255, 255, 0.5], 'rgb(0% 100% 100%/0.5)': [0, 255, 255, 0.5], 'rgba(0% 100% 100%/0.5)': [0, 255, 255, 0.5], @@ -22,9 +23,11 @@ describe('Testing CSS2RGB color conversions', () => { 'RGBA (255, 0, 0 , 0.5)': undefined, 'rgba(0%,100%,0%,.5)': [0, 255, 0, 0.5], 'hsl(240,100%,50%) ': [0, 0, 255, 1], + 'hsl(240 none 50%) ': [128, 128, 128, 1], 'hsl(60,100%,50%)': [255, 255, 0, 1], 'hsla(180,100%,50%,1)': [0, 255, 255, 1], 'hsla(300,100%,50%,.25)': [255, 0, 255, 0.25], + 'hsl(240deg 100% 50% / 25%)': [0, 0, 255, 0.25], 'rgba(32, 48, 96, 0.5)': [32, 48, 96, 0.5], blanchedalmond: [255, 235, 205, 1], blue: [0, 0, 255, 1], @@ -35,6 +38,9 @@ describe('Testing CSS2RGB color conversions', () => { 'lab(47.99% -30.39 -8.98 / 0.25)': [0, 128, 128, 0.25], 'lab(47.99% -24.312% -7.18%)': [0, 128, 128, 1], 'lch(93.12 58.8 115.62)': [212, 248, 128, 1], // #d4f880 + 'lch(93.12 58.8 115.62 / .5)': [212, 248, 128, 0.5], // #d4f880 + 'lch(93.12 58.8 115.62 / 0.5)': [212, 248, 128, 0.5], // #d4f880 + 'lch(93.12 58.8 115.62 /50%)': [212, 248, 128, 0.5], // #d4f880 'lch(93.12% 58.8 115.62deg)': [212, 248, 128, 1], // #d4f880 'lch(93.12% 39.2% 115.62deg)': [212, 248, 128, 1], // #d4f880 'lch(93.12% none none)': [235, 235, 235, 1], From 7c6bde44f0493fe521e304268515179508f1e47f Mon Sep 17 00:00:00 2001 From: Gregor Aisch Date: Sun, 18 Aug 2024 01:11:12 +0200 Subject: [PATCH 2/2] build --- dist/chroma-light.cjs | 204 +++++++++++++++++---------------- dist/chroma-light.min.cjs | 2 +- dist/chroma.cjs | 229 ++++++++++++++++++++------------------ dist/chroma.min.cjs | 2 +- 4 files changed, 232 insertions(+), 205 deletions(-) diff --git a/dist/chroma-light.cjs b/dist/chroma-light.cjs index 595258b4..3e8ba227 100644 --- a/dist/chroma-light.cjs +++ b/dist/chroma-light.cjs @@ -1005,42 +1005,75 @@ return [r, g, b ].concat( (rest.length > 0 && rest[0] < 1 ? [rest[0]] : [])); }; - var RE_RGB = /^rgb\(\s*(-?\d+) \s*(-?\d+)\s* \s*(-?\d+)\s*\)$/; - var RE_RGB_LEGACY = /^rgb\(\s*(-?\d+),\s*(-?\d+)\s*,\s*(-?\d+)\s*\)$/; - - var RE_RGBA = - /^rgba?\(\s*(-?\d+) \s*(-?\d+)\s* \s*(-?\d+)\s*\/\s*([01]|[01]?\.\d+)\)$/; - var RE_RGBA_LEGACY = - /^rgba\(\s*(-?\d+),\s*(-?\d+)\s*,\s*(-?\d+)\s*,\s*([01]|[01]?\.\d+)\)$/; - - var RE_RGB_PCT = - /^rgb\(\s*(-?\d+(?:\.\d+)?)% \s*(-?\d+(?:\.\d+)?)%\s* \s*(-?\d+(?:\.\d+)?)%\s*\)$/; - var RE_RGB_PCT_LEGACY = - /^rgb\(\s*(-?\d+(?:\.\d+)?)%,\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*\)$/; - - var RE_RGBA_PCT = - /^rgba?\(\s*(-?\d+(?:\.\d+)?)% \s*(-?\d+(?:\.\d+)?)%\s* \s*(-?\d+(?:\.\d+)?)%\s*\/\s*([01]|[01]?\.\d+)\)$/; - var RE_RGBA_PCT_LEGACY = - /^rgba\(\s*(-?\d+(?:\.\d+)?)%,\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*,\s*([01]|[01]?\.\d+)\)$/; - - var RE_HSL = - /^hsl\(\s*(-?\d+(?:\.\d+)?)deg \s*(-?\d+(?:\.\d+)?)%\s* \s*(-?\d+(?:\.\d+)?)%\s*\)$/; - var RE_HSL_LEGACY = - /^hsl\(\s*(-?\d+(?:\.\d+)?),\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*\)$/; - - var RE_HSLA = - /^hsla?\(\s*(-?\d+(?:\.\d+)?)deg \s*(-?\d+(?:\.\d+)?)%\s* \s*(-?\d+(?:\.\d+)?)%\s*\/\s*([01]|[01]?\.\d+)\)$/; + var INT_OR_PCT = /((?:-?\d+)|(?:-?\d+(?:\.\d+)?)%|none)/.source; + var FLOAT_OR_PCT = /((?:-?(?:\d+(?:\.\d*)?|\.\d+)%?)|none)/.source; + var PCT = /((?:-?(?:\d+(?:\.\d*)?|\.\d+)%)|none)/.source; + var RE_S = /\s*/.source; + var SEP = /\s+/.source; + var COMMA = /\s*,\s*/.source; + var ANLGE = /((?:-?(?:\d+(?:\.\d*)?|\.\d+)(?:deg)?)|none)/.source; + var ALPHA = /\s*(?:\/\s*((?:[01]|[01]?\.\d+)|\d+(?:\.\d+)?%))?/.source; + + // e.g. rgb(250 20 0), rgb(100% 50% 20%), rgb(100% 50% 20% / 0.5) + var RE_RGB = new RegExp( + '^rgba?\\(' + + RE_S + + [INT_OR_PCT, INT_OR_PCT, INT_OR_PCT].join(SEP) + + ALPHA + + '\\)$' + ); + var RE_RGB_LEGACY = new RegExp( + '^rgb\\(' + + RE_S + + [INT_OR_PCT, INT_OR_PCT, INT_OR_PCT].join(COMMA) + + RE_S + + '\\)$' + ); + var RE_RGBA_LEGACY = new RegExp( + '^rgba\\(' + + RE_S + + [INT_OR_PCT, INT_OR_PCT, INT_OR_PCT, FLOAT_OR_PCT].join(COMMA) + + RE_S + + '\\)$' + ); + + var RE_HSL = new RegExp( + '^hsla?\\(' + RE_S + [ANLGE, PCT, PCT].join(SEP) + ALPHA + '\\)$' + ); + var RE_HSL_LEGACY = new RegExp( + '^hsl?\\(' + RE_S + [ANLGE, PCT, PCT].join(COMMA) + RE_S + '\\)$' + ); var RE_HSLA_LEGACY = /^hsla\(\s*(-?\d+(?:\.\d+)?),\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*,\s*([01]|[01]?\.\d+)\)$/; - var RE_LAB = - /^lab\(\s*(-?\d+(?:\.\d+)?%?) \s*(-?\d+(?:\.\d+)?%?) \s*(-?\d+(?:\.\d+)?%?)\s*(?:\/\s*(\d+(?:\.\d+)?))?\)?$/; - var RE_LCH = - /^lch\(\s*(-?\d+(?:\.\d+)?%?) \s*((?:-?\d+(?:\.\d+)?%?)|none) \s*(-?\d+(?:\.\d+)?(?:deg)?|none)\s*(?:\/\s*(\d+(?:\.\d+)?))?\)?$/; - var RE_OKLAB = - /^oklab\(\s*(-?\d+(?:\.\d+)?%?) \s*(-?\d+(?:\.\d+)?%?) \s*(-?\d+(?:\.\d+)?%?)\s*(?:\/\s*(\d+(?:\.\d+)?))?\)?$/; - var RE_OKLCH = - /^oklch\(\s*(-?\d+(?:\.\d+)?%?) \s*(?:(-?\d+(?:\.\d+)?%?)|none) \s*(-?\d+(?:\.\d+)?(?:deg)?|none)\s*(?:\/\s*(\d+(?:\.\d+)?))?\)?$/; + var RE_LAB = new RegExp( + '^lab\\(' + + RE_S + + [FLOAT_OR_PCT, FLOAT_OR_PCT, FLOAT_OR_PCT].join(SEP) + + ALPHA + + '\\)$' + ); + var RE_LCH = new RegExp( + '^lch\\(' + + RE_S + + [FLOAT_OR_PCT, FLOAT_OR_PCT, ANLGE].join(SEP) + + ALPHA + + '\\)$' + ); + var RE_OKLAB = new RegExp( + '^oklab\\(' + + RE_S + + [FLOAT_OR_PCT, FLOAT_OR_PCT, FLOAT_OR_PCT].join(SEP) + + ALPHA + + '\\)$' + ); + var RE_OKLCH = new RegExp( + '^oklch\\(' + + RE_S + + [FLOAT_OR_PCT, FLOAT_OR_PCT, ANLGE].join(SEP) + + ALPHA + + '\\)$' + ); var round$2 = Math.round; @@ -1084,80 +1117,62 @@ if ((m = css.match(RE_RGB)) || (m = css.match(RE_RGB_LEGACY))) { var rgb = m.slice(1, 4); for (var i = 0; i < 3; i++) { - rgb[i] = +rgb[i]; + rgb[i] = +percentToAbsolute(noneToValue(rgb[i], 0), 0, 255); } - rgb[3] = 1; // default alpha + rgb = roundRGB(rgb); + var alpha = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb[3] = alpha; // default alpha return rgb; } // rgba(250,20,0,0.4) - if ((m = css.match(RE_RGBA)) || (m = css.match(RE_RGBA_LEGACY))) { + if ((m = css.match(RE_RGBA_LEGACY))) { var rgb$1 = m.slice(1, 5); for (var i$1 = 0; i$1 < 4; i$1++) { - rgb$1[i$1] = +rgb$1[i$1]; + rgb$1[i$1] = +percentToAbsolute(rgb$1[i$1], 0, 255); } return rgb$1; } - // rgb(100%,0%,0%) - if ((m = css.match(RE_RGB_PCT)) || (m = css.match(RE_RGB_PCT_LEGACY))) { - var rgb$2 = m.slice(1, 4); - for (var i$2 = 0; i$2 < 3; i$2++) { - rgb$2[i$2] = round$2(rgb$2[i$2] * 2.55); - } - rgb$2[3] = 1; // default alpha - return rgb$2; - } - - // rgba(100%,0%,0%,0.4) - if ((m = css.match(RE_RGBA_PCT)) || (m = css.match(RE_RGBA_PCT_LEGACY))) { - var rgb$3 = m.slice(1, 5); - for (var i$3 = 0; i$3 < 3; i$3++) { - rgb$3[i$3] = round$2(rgb$3[i$3] * 2.55); - } - rgb$3[3] = +rgb$3[3]; - return rgb$3; - } - // hsl(0,100%,50%) if ((m = css.match(RE_HSL)) || (m = css.match(RE_HSL_LEGACY))) { var hsl = m.slice(1, 4); - hsl[1] *= 0.01; - hsl[2] *= 0.01; - var rgb$4 = hsl2rgb(hsl); - for (var i$4 = 0; i$4 < 3; i$4++) { - rgb$4[i$4] = round$2(rgb$4[i$4]); - } - rgb$4[3] = 1; - return rgb$4; + hsl[0] = +noneToValue(hsl[0].replace('deg', ''), 0); + hsl[1] = +percentToAbsolute(noneToValue(hsl[1], 0), 0, 100) * 0.01; + hsl[2] = +percentToAbsolute(noneToValue(hsl[2], 0), 0, 100) * 0.01; + var rgb$2 = roundRGB(hsl2rgb(hsl)); + var alpha$1 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb$2[3] = alpha$1; + return rgb$2; } // hsla(0,100%,50%,0.5) - if ((m = css.match(RE_HSLA)) || (m = css.match(RE_HSLA_LEGACY))) { + if ((m = css.match(RE_HSLA_LEGACY))) { var hsl$1 = m.slice(1, 4); hsl$1[1] *= 0.01; hsl$1[2] *= 0.01; - var rgb$5 = hsl2rgb(hsl$1); - for (var i$5 = 0; i$5 < 3; i$5++) { - rgb$5[i$5] = round$2(rgb$5[i$5]); + var rgb$3 = hsl2rgb(hsl$1); + for (var i$2 = 0; i$2 < 3; i$2++) { + rgb$3[i$2] = round$2(rgb$3[i$2]); } - rgb$5[3] = +m[4]; // default alpha = 1 - return rgb$5; + rgb$3[3] = +m[4]; // default alpha = 1 + return rgb$3; } if ((m = css.match(RE_LAB))) { var lab = m.slice(1, 4); - lab[0] = percentToAbsolute(lab[0], 0, 100); - lab[1] = percentToAbsolute(lab[1], -125, 125, true); - lab[2] = percentToAbsolute(lab[2], -125, 125, true); + lab[0] = percentToAbsolute(noneToValue(lab[0], 0), 0, 100); + lab[1] = percentToAbsolute(noneToValue(lab[1], 0), -125, 125, true); + lab[2] = percentToAbsolute(noneToValue(lab[2], 0), -125, 125, true); // convert to D50 Lab whitepoint var wp = getLabWhitePoint(); setLabWhitePoint('d50'); - var rgb$6 = roundRGB(lab2rgb(lab)); + var rgb$4 = roundRGB(lab2rgb(lab)); // convert back to original Lab whitepoint setLabWhitePoint(wp); - rgb$6[3] = m[4] !== undefined ? +m[4] : 1; - return rgb$6; + var alpha$2 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb$4[3] = alpha$2; + return rgb$4; } if ((m = css.match(RE_LCH))) { @@ -1168,31 +1183,34 @@ // convert to D50 Lab whitepoint var wp$1 = getLabWhitePoint(); setLabWhitePoint('d50'); - var rgb$7 = roundRGB(lch2rgb(lch)); + var rgb$5 = roundRGB(lch2rgb(lch)); // convert back to original Lab whitepoint setLabWhitePoint(wp$1); - rgb$7[3] = m[4] !== undefined ? +m[4] : 1; - return rgb$7; + var alpha$3 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb$5[3] = alpha$3; + return rgb$5; } if ((m = css.match(RE_OKLAB))) { var oklab = m.slice(1, 4); - oklab[0] = percentToAbsolute(oklab[0], 0, 1); - oklab[1] = percentToAbsolute(oklab[1], -0.4, 0.4, true); - oklab[2] = percentToAbsolute(oklab[2], -0.4, 0.4, true); - var rgb$8 = roundRGB(oklab2rgb(oklab)); - rgb$8[3] = m[4] !== undefined ? +m[4] : 1; - return rgb$8; + oklab[0] = percentToAbsolute(noneToValue(oklab[0], 0), 0, 1); + oklab[1] = percentToAbsolute(noneToValue(oklab[1], 0), -0.4, 0.4, true); + oklab[2] = percentToAbsolute(noneToValue(oklab[2], 0), -0.4, 0.4, true); + var rgb$6 = roundRGB(oklab2rgb(oklab)); + var alpha$4 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb$6[3] = alpha$4; + return rgb$6; } if ((m = css.match(RE_OKLCH))) { var oklch = m.slice(1, 4); - oklch[0] = percentToAbsolute(oklch[0], 0, 1); + oklch[0] = percentToAbsolute(noneToValue(oklch[0], 0), 0, 1); oklch[1] = percentToAbsolute(noneToValue(oklch[1], 0), 0, 0.4, false); oklch[2] = +noneToValue(oklch[2].replace('deg', ''), 0); - var rgb$9 = roundRGB(oklch2rgb(oklch)); - rgb$9[3] = m[4] !== undefined ? +m[4] : 1; - return rgb$9; + var rgb$7 = roundRGB(oklch2rgb(oklch)); + var alpha$5 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb$7[3] = alpha$5; + return rgb$7; } }; @@ -1200,11 +1218,7 @@ return ( // modern RE_RGB.test(s) || - RE_RGBA.test(s) || - RE_RGB_PCT.test(s) || - RE_RGBA_PCT.test(s) || RE_HSL.test(s) || - RE_HSLA.test(s) || RE_LAB.test(s) || RE_LCH.test(s) || RE_OKLAB.test(s) || @@ -1212,8 +1226,6 @@ // legacy RE_RGB_LEGACY.test(s) || RE_RGBA_LEGACY.test(s) || - RE_RGB_PCT_LEGACY.test(s) || - RE_RGBA_PCT_LEGACY.test(s) || RE_HSL_LEGACY.test(s) || RE_HSLA_LEGACY.test(s) ); diff --git 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t=[],r=arguments.length;r--;)t[r]=arguments[r];return new(Function.prototype.bind.apply(d,[null].concat(t,["css"])))};y.css=mt,b.format.css=gt,b.autodetect.push({p:5,test:function(t){for(var r=[],n=arguments.length-1;n-- >0;)r[n]=arguments[n+1];if(!r.length&&"string"===u(t)&>.test(t))return"css"}});var pt=/^#?([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$/,vt=/^#?([A-Fa-f0-9]{8}|[A-Fa-f0-9]{4})$/,bt=Math.round;d.prototype.hex=function(t){return function(){for(var t=[],r=arguments.length;r--;)t[r]=arguments[r];var n=l(t,"rgba"),e=n[0],o=n[1],a=n[2],i=n[3],u=c(t)||"auto";void 0===i&&(i=1),"auto"===u&&(u=i<1?"rgba":"rgb");var h="000000"+((e=bt(e))<<16|(o=bt(o))<<8|(a=bt(a))).toString(16);h=h.substr(h.length-6);var s="0"+bt(255*i).toString(16);switch(s=s.substr(s.length-2),u.toLowerCase()){case"rgba":return"#"+h+s;case"argb":return"#"+s+h;default:return"#"+h}}(this._rgb,t)};var dt=function(){for(var t=[],r=arguments.length;r--;)t[r]=arguments[r];return new(Function.prototype.bind.apply(d,[null].concat(t,["hex"])))};y.hex=dt,b.format.hex=function(t){if(t.match(pt)){4!==t.length&&7!==t.length||(t=t.substr(1)),3===t.length&&(t=(t=t.split(""))[0]+t[0]+t[1]+t[1]+t[2]+t[2]);var r=parseInt(t,16);return[r>>16,r>>8&255,255&r,1]}if(t.match(vt)){5!==t.length&&9!==t.length||(t=t.substr(1)),4===t.length&&(t=(t=t.split(""))[0]+t[0]+t[1]+t[1]+t[2]+t[2]+t[3]+t[3]);var n=parseInt(t,16);return[n>>24&255,n>>16&255,n>>8&255,Math.round((255&n)/255*100)/100]}throw new Error("unknown hex color: "+t)},b.autodetect.push({p:4,test:function(t){for(var r=[],n=arguments.length-1;n-- >0;)r[n]=arguments[n+1];if(!r.length&&"string"===u(t)&&[3,4,5,6,7,8,9].indexOf(t.length)>=0)return"hex"}}),d.prototype.hsl=function(){return w(this._rgb)};var yt=function(){for(var t=[],r=arguments.length;r--;)t[r]=arguments[r];return new(Function.prototype.bind.apply(d,[null].concat(t,["hsl"])))};y.hsl=yt,b.format.hsl=C,b.autodetect.push({p:2,test:function(){for(var t=[],r=arguments.length;r--;)t[r]=arguments[r];if("array"===u(t=l(t,"hsl"))&&3===t.length)return"hsl"}}),d.prototype.lab=function(){return _(this._rgb)};var wt=function(){for(var t=[],r=arguments.length;r--;)t[r]=arguments[r];return new(Function.prototype.bind.apply(d,[null].concat(t,["lab"])))};Object.assign(y,{lab:wt,getLabWhitePoint:j,setLabWhitePoint:x}),b.format.lab=O,b.autodetect.push({p:2,test:function(){for(var t=[],r=arguments.length;r--;)t[r]=arguments[r];if("array"===u(t=l(t,"lab"))&&3===t.length)return"lab"}}),d.prototype.oklab=function(){return $(this._rgb)};var Mt=function(){for(var t=[],r=arguments.length;r--;)t[r]=arguments[r];return new(Function.prototype.bind.apply(d,[null].concat(t,["oklab"])))};Object.assign(y,{oklab:Mt}),b.format.oklab=S,b.autodetect.push({p:2,test:function(){for(var t=[],r=arguments.length;r--;)t[r]=arguments[r];if("array"===u(t=l(t,"oklab"))&&3===t.length)return"oklab"}});var kt=Math.round;d.prototype.rgb=function(t){return void 0===t&&(t=!0),!1===t?this._rgb.slice(0,3):this._rgb.slice(0,3).map(kt)},d.prototype.rgba=function(t){return void 0===t&&(t=!0),this._rgb.slice(0,4).map((function(r,n){return n<3?!1===t?r:kt(r):r}))};var xt=function(){for(var t=[],r=arguments.length;r--;)t[r]=arguments[r];return new(Function.prototype.bind.apply(d,[null].concat(t,["rgb"])))};Object.assign(y,{rgb:xt}),b.format.rgb=function(){for(var t=[],r=arguments.length;r--;)t[r]=arguments[r];var n=l(t,"rgba");return void 0===n[3]&&(n[3]=1),n},b.autodetect.push({p:3,test:function(){for(var t=[],r=arguments.length;r--;)t[r]=arguments[r];if("array"===u(t=l(t,"rgba"))&&(3===t.length||4===t.length&&"number"==u(t[3])&&t[3]>=0&&t[3]<=1))return"rgb"}}),d.prototype.alpha=function(t,r){return void 0===r&&(r=!1),void 0!==t&&"number"===u(t)?r?(this._rgb[3]=t,this):new d([this._rgb[0],this._rgb[1],this._rgb[2],t],"rgb"):this._rgb[3]},d.prototype.darken=function(t){void 0===t&&(t=1);var r=this.lab();return r[0]-=M.Kn*t,new d(r,"lab").alpha(this.alpha(),!0)},d.prototype.brighten=function(t){return void 0===t&&(t=1),this.darken(-t)},d.prototype.darker=d.prototype.darken,d.prototype.brighter=d.prototype.brighten,d.prototype.get=function(t){var r=t.split("."),n=r[0],e=r[1],o=this[n]();if(e){var a=n.indexOf(e)-("ok"===n.substr(0,2)?2:0);if(a>-1)return o[a];throw new Error("unknown channel "+e+" in mode "+n)}return o};var jt={};function _t(t,r,n){void 0===n&&(n=.5);for(var e=[],o=arguments.length-3;o-- >0;)e[o]=arguments[o+3];var a=e[0]||"lrgb";if(jt[a]||e.length||(a=Object.keys(jt)[0]),!jt[a])throw new Error("interpolation mode "+a+" is not defined");return"object"!==u(t)&&(t=new d(t)),"object"!==u(r)&&(r=new d(r)),jt[a](t,r,n).alpha(t.alpha()+n*(r.alpha()-t.alpha()))}d.prototype.mix=d.prototype.interpolate=function(t,r){void 0===r&&(r=.5);for(var n=[],e=arguments.length-2;e-- >0;)n[e]=arguments[e+2];return _t.apply(void 0,[this,t,r].concat(n))},d.prototype.set=function(t,r,n){void 0===n&&(n=!1);var e=t.split("."),o=e[0],a=e[1],i=this[o]();if(a){var l=o.indexOf(a)-("ok"===o.substr(0,2)?2:0);if(l>-1){if("string"==u(r))switch(r.charAt(0)){case"+":case"-":i[l]+=+r;break;case"*":i[l]*=+r.substr(1);break;case"/":i[l]/=+r.substr(1);break;default:i[l]=+r}else{if("number"!==u(r))throw new Error("unsupported value for Color.set");i[l]=r}var c=new d(i,o);return n?(this._rgb=c._rgb,this):c}throw new Error("unknown channel "+a+" in mode "+o)}return i},d.prototype.tint=function(t){void 0===t&&(t=.5);for(var r=[],n=arguments.length-1;n-- >0;)r[n]=arguments[n+1];return _t.apply(void 0,[this,"white",t].concat(r))},d.prototype.shade=function(t){void 0===t&&(t=.5);for(var r=[],n=arguments.length-1;n-- >0;)r[n]=arguments[n+1];return _t.apply(void 0,[this,"black",t].concat(r))};var Et=Math.sqrt,At=Math.pow;jt.lrgb=function(t,r,n){var e=t._rgb,o=e[0],a=e[1],i=e[2],u=r._rgb,l=u[0],c=u[1],h=u[2];return new d(Et(At(o,2)*(1-n)+At(l,2)*n),Et(At(a,2)*(1-n)+At(c,2)*n),Et(At(i,2)*(1-n)+At(h,2)*n),"rgb")};return jt.oklab=function(t,r,n){var e=t.oklab(),o=r.oklab();return new d(e[0]+n*(o[0]-e[0]),e[1]+n*(o[1]-e[1]),e[2]+n*(o[2]-e[2]),"oklab")},Object.assign(y,{Color:d,valid:function(){for(var t=[],r=arguments.length;r--;)t[r]=arguments[r];try{return new(Function.prototype.bind.apply(d,[null].concat(t))),!0}catch(t){return!1}},css:mt,hex:dt,hsl:yt,lab:wt,oklab:Mt,rgb:xt,mix:_t,interpolate:_t}),y})); diff --git a/dist/chroma.cjs b/dist/chroma.cjs index 5e914159..ffedf6db 100644 --- a/dist/chroma.cjs +++ b/dist/chroma.cjs @@ -1076,42 +1076,75 @@ return [r, g, b ].concat( (rest.length > 0 && rest[0] < 1 ? [rest[0]] : [])); }; - var RE_RGB = /^rgb\(\s*(-?\d+) \s*(-?\d+)\s* \s*(-?\d+)\s*\)$/; - var RE_RGB_LEGACY = /^rgb\(\s*(-?\d+),\s*(-?\d+)\s*,\s*(-?\d+)\s*\)$/; - - var RE_RGBA = - /^rgba?\(\s*(-?\d+) \s*(-?\d+)\s* \s*(-?\d+)\s*\/\s*([01]|[01]?\.\d+)\)$/; - var RE_RGBA_LEGACY = - /^rgba\(\s*(-?\d+),\s*(-?\d+)\s*,\s*(-?\d+)\s*,\s*([01]|[01]?\.\d+)\)$/; - - var RE_RGB_PCT = - /^rgb\(\s*(-?\d+(?:\.\d+)?)% \s*(-?\d+(?:\.\d+)?)%\s* \s*(-?\d+(?:\.\d+)?)%\s*\)$/; - var RE_RGB_PCT_LEGACY = - /^rgb\(\s*(-?\d+(?:\.\d+)?)%,\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*\)$/; - - var RE_RGBA_PCT = - /^rgba?\(\s*(-?\d+(?:\.\d+)?)% \s*(-?\d+(?:\.\d+)?)%\s* \s*(-?\d+(?:\.\d+)?)%\s*\/\s*([01]|[01]?\.\d+)\)$/; - var RE_RGBA_PCT_LEGACY = - /^rgba\(\s*(-?\d+(?:\.\d+)?)%,\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*,\s*([01]|[01]?\.\d+)\)$/; - - var RE_HSL = - /^hsl\(\s*(-?\d+(?:\.\d+)?)deg \s*(-?\d+(?:\.\d+)?)%\s* \s*(-?\d+(?:\.\d+)?)%\s*\)$/; - var RE_HSL_LEGACY = - /^hsl\(\s*(-?\d+(?:\.\d+)?),\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*\)$/; - - var RE_HSLA = - /^hsla?\(\s*(-?\d+(?:\.\d+)?)deg \s*(-?\d+(?:\.\d+)?)%\s* \s*(-?\d+(?:\.\d+)?)%\s*\/\s*([01]|[01]?\.\d+)\)$/; + var INT_OR_PCT = /((?:-?\d+)|(?:-?\d+(?:\.\d+)?)%|none)/.source; + var FLOAT_OR_PCT = /((?:-?(?:\d+(?:\.\d*)?|\.\d+)%?)|none)/.source; + var PCT = /((?:-?(?:\d+(?:\.\d*)?|\.\d+)%)|none)/.source; + var RE_S = /\s*/.source; + var SEP = /\s+/.source; + var COMMA = /\s*,\s*/.source; + var ANLGE = /((?:-?(?:\d+(?:\.\d*)?|\.\d+)(?:deg)?)|none)/.source; + var ALPHA = /\s*(?:\/\s*((?:[01]|[01]?\.\d+)|\d+(?:\.\d+)?%))?/.source; + + // e.g. rgb(250 20 0), rgb(100% 50% 20%), rgb(100% 50% 20% / 0.5) + var RE_RGB = new RegExp( + '^rgba?\\(' + + RE_S + + [INT_OR_PCT, INT_OR_PCT, INT_OR_PCT].join(SEP) + + ALPHA + + '\\)$' + ); + var RE_RGB_LEGACY = new RegExp( + '^rgb\\(' + + RE_S + + [INT_OR_PCT, INT_OR_PCT, INT_OR_PCT].join(COMMA) + + RE_S + + '\\)$' + ); + var RE_RGBA_LEGACY = new RegExp( + '^rgba\\(' + + RE_S + + [INT_OR_PCT, INT_OR_PCT, INT_OR_PCT, FLOAT_OR_PCT].join(COMMA) + + RE_S + + '\\)$' + ); + + var RE_HSL = new RegExp( + '^hsla?\\(' + RE_S + [ANLGE, PCT, PCT].join(SEP) + ALPHA + '\\)$' + ); + var RE_HSL_LEGACY = new RegExp( + '^hsl?\\(' + RE_S + [ANLGE, PCT, PCT].join(COMMA) + RE_S + '\\)$' + ); var RE_HSLA_LEGACY = /^hsla\(\s*(-?\d+(?:\.\d+)?),\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*,\s*([01]|[01]?\.\d+)\)$/; - var RE_LAB = - /^lab\(\s*(-?\d+(?:\.\d+)?%?) \s*(-?\d+(?:\.\d+)?%?) \s*(-?\d+(?:\.\d+)?%?)\s*(?:\/\s*(\d+(?:\.\d+)?))?\)?$/; - var RE_LCH = - /^lch\(\s*(-?\d+(?:\.\d+)?%?) \s*((?:-?\d+(?:\.\d+)?%?)|none) \s*(-?\d+(?:\.\d+)?(?:deg)?|none)\s*(?:\/\s*(\d+(?:\.\d+)?))?\)?$/; - var RE_OKLAB = - /^oklab\(\s*(-?\d+(?:\.\d+)?%?) \s*(-?\d+(?:\.\d+)?%?) \s*(-?\d+(?:\.\d+)?%?)\s*(?:\/\s*(\d+(?:\.\d+)?))?\)?$/; - var RE_OKLCH = - /^oklch\(\s*(-?\d+(?:\.\d+)?%?) \s*(?:(-?\d+(?:\.\d+)?%?)|none) \s*(-?\d+(?:\.\d+)?(?:deg)?|none)\s*(?:\/\s*(\d+(?:\.\d+)?))?\)?$/; + var RE_LAB = new RegExp( + '^lab\\(' + + RE_S + + [FLOAT_OR_PCT, FLOAT_OR_PCT, FLOAT_OR_PCT].join(SEP) + + ALPHA + + '\\)$' + ); + var RE_LCH = new RegExp( + '^lch\\(' + + RE_S + + [FLOAT_OR_PCT, FLOAT_OR_PCT, ANLGE].join(SEP) + + ALPHA + + '\\)$' + ); + var RE_OKLAB = new RegExp( + '^oklab\\(' + + RE_S + + [FLOAT_OR_PCT, FLOAT_OR_PCT, FLOAT_OR_PCT].join(SEP) + + ALPHA + + '\\)$' + ); + var RE_OKLCH = new RegExp( + '^oklch\\(' + + RE_S + + [FLOAT_OR_PCT, FLOAT_OR_PCT, ANLGE].join(SEP) + + ALPHA + + '\\)$' + ); var round$3 = Math.round; @@ -1155,80 +1188,62 @@ if ((m = css.match(RE_RGB)) || (m = css.match(RE_RGB_LEGACY))) { var rgb = m.slice(1, 4); for (var i = 0; i < 3; i++) { - rgb[i] = +rgb[i]; + rgb[i] = +percentToAbsolute(noneToValue(rgb[i], 0), 0, 255); } - rgb[3] = 1; // default alpha + rgb = roundRGB(rgb); + var alpha = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb[3] = alpha; // default alpha return rgb; } // rgba(250,20,0,0.4) - if ((m = css.match(RE_RGBA)) || (m = css.match(RE_RGBA_LEGACY))) { + if ((m = css.match(RE_RGBA_LEGACY))) { var rgb$1 = m.slice(1, 5); for (var i$1 = 0; i$1 < 4; i$1++) { - rgb$1[i$1] = +rgb$1[i$1]; + rgb$1[i$1] = +percentToAbsolute(rgb$1[i$1], 0, 255); } return rgb$1; } - // rgb(100%,0%,0%) - if ((m = css.match(RE_RGB_PCT)) || (m = css.match(RE_RGB_PCT_LEGACY))) { - var rgb$2 = m.slice(1, 4); - for (var i$2 = 0; i$2 < 3; i$2++) { - rgb$2[i$2] = round$3(rgb$2[i$2] * 2.55); - } - rgb$2[3] = 1; // default alpha - return rgb$2; - } - - // rgba(100%,0%,0%,0.4) - if ((m = css.match(RE_RGBA_PCT)) || (m = css.match(RE_RGBA_PCT_LEGACY))) { - var rgb$3 = m.slice(1, 5); - for (var i$3 = 0; i$3 < 3; i$3++) { - rgb$3[i$3] = round$3(rgb$3[i$3] * 2.55); - } - rgb$3[3] = +rgb$3[3]; - return rgb$3; - } - // hsl(0,100%,50%) if ((m = css.match(RE_HSL)) || (m = css.match(RE_HSL_LEGACY))) { var hsl = m.slice(1, 4); - hsl[1] *= 0.01; - hsl[2] *= 0.01; - var rgb$4 = hsl2rgb(hsl); - for (var i$4 = 0; i$4 < 3; i$4++) { - rgb$4[i$4] = round$3(rgb$4[i$4]); - } - rgb$4[3] = 1; - return rgb$4; + hsl[0] = +noneToValue(hsl[0].replace('deg', ''), 0); + hsl[1] = +percentToAbsolute(noneToValue(hsl[1], 0), 0, 100) * 0.01; + hsl[2] = +percentToAbsolute(noneToValue(hsl[2], 0), 0, 100) * 0.01; + var rgb$2 = roundRGB(hsl2rgb(hsl)); + var alpha$1 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb$2[3] = alpha$1; + return rgb$2; } // hsla(0,100%,50%,0.5) - if ((m = css.match(RE_HSLA)) || (m = css.match(RE_HSLA_LEGACY))) { + if ((m = css.match(RE_HSLA_LEGACY))) { var hsl$1 = m.slice(1, 4); hsl$1[1] *= 0.01; hsl$1[2] *= 0.01; - var rgb$5 = hsl2rgb(hsl$1); - for (var i$5 = 0; i$5 < 3; i$5++) { - rgb$5[i$5] = round$3(rgb$5[i$5]); + var rgb$3 = hsl2rgb(hsl$1); + for (var i$2 = 0; i$2 < 3; i$2++) { + rgb$3[i$2] = round$3(rgb$3[i$2]); } - rgb$5[3] = +m[4]; // default alpha = 1 - return rgb$5; + rgb$3[3] = +m[4]; // default alpha = 1 + return rgb$3; } if ((m = css.match(RE_LAB))) { var lab = m.slice(1, 4); - lab[0] = percentToAbsolute(lab[0], 0, 100); - lab[1] = percentToAbsolute(lab[1], -125, 125, true); - lab[2] = percentToAbsolute(lab[2], -125, 125, true); + lab[0] = percentToAbsolute(noneToValue(lab[0], 0), 0, 100); + lab[1] = percentToAbsolute(noneToValue(lab[1], 0), -125, 125, true); + lab[2] = percentToAbsolute(noneToValue(lab[2], 0), -125, 125, true); // convert to D50 Lab whitepoint var wp = getLabWhitePoint(); setLabWhitePoint('d50'); - var rgb$6 = roundRGB(lab2rgb(lab)); + var rgb$4 = roundRGB(lab2rgb(lab)); // convert back to original Lab whitepoint setLabWhitePoint(wp); - rgb$6[3] = m[4] !== undefined ? +m[4] : 1; - return rgb$6; + var alpha$2 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb$4[3] = alpha$2; + return rgb$4; } if ((m = css.match(RE_LCH))) { @@ -1239,31 +1254,34 @@ // convert to D50 Lab whitepoint var wp$1 = getLabWhitePoint(); setLabWhitePoint('d50'); - var rgb$7 = roundRGB(lch2rgb(lch)); + var rgb$5 = roundRGB(lch2rgb(lch)); // convert back to original Lab whitepoint setLabWhitePoint(wp$1); - rgb$7[3] = m[4] !== undefined ? +m[4] : 1; - return rgb$7; + var alpha$3 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb$5[3] = alpha$3; + return rgb$5; } if ((m = css.match(RE_OKLAB))) { var oklab = m.slice(1, 4); - oklab[0] = percentToAbsolute(oklab[0], 0, 1); - oklab[1] = percentToAbsolute(oklab[1], -0.4, 0.4, true); - oklab[2] = percentToAbsolute(oklab[2], -0.4, 0.4, true); - var rgb$8 = roundRGB(oklab2rgb(oklab)); - rgb$8[3] = m[4] !== undefined ? +m[4] : 1; - return rgb$8; + oklab[0] = percentToAbsolute(noneToValue(oklab[0], 0), 0, 1); + oklab[1] = percentToAbsolute(noneToValue(oklab[1], 0), -0.4, 0.4, true); + oklab[2] = percentToAbsolute(noneToValue(oklab[2], 0), -0.4, 0.4, true); + var rgb$6 = roundRGB(oklab2rgb(oklab)); + var alpha$4 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb$6[3] = alpha$4; + return rgb$6; } if ((m = css.match(RE_OKLCH))) { var oklch = m.slice(1, 4); - oklch[0] = percentToAbsolute(oklch[0], 0, 1); + oklch[0] = percentToAbsolute(noneToValue(oklch[0], 0), 0, 1); oklch[1] = percentToAbsolute(noneToValue(oklch[1], 0), 0, 0.4, false); oklch[2] = +noneToValue(oklch[2].replace('deg', ''), 0); - var rgb$9 = roundRGB(oklch2rgb(oklch)); - rgb$9[3] = m[4] !== undefined ? +m[4] : 1; - return rgb$9; + var rgb$7 = roundRGB(oklch2rgb(oklch)); + var alpha$5 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; + rgb$7[3] = alpha$5; + return rgb$7; } }; @@ -1271,11 +1289,7 @@ return ( // modern RE_RGB.test(s) || - RE_RGBA.test(s) || - RE_RGB_PCT.test(s) || - RE_RGBA_PCT.test(s) || RE_HSL.test(s) || - RE_HSLA.test(s) || RE_LAB.test(s) || RE_LCH.test(s) || RE_OKLAB.test(s) || @@ -1283,8 +1297,6 @@ // legacy RE_RGB_LEGACY.test(s) || RE_RGBA_LEGACY.test(s) || - RE_RGB_PCT_LEGACY.test(s) || - RE_RGBA_PCT_LEGACY.test(s) || RE_HSL_LEGACY.test(s) || RE_HSLA_LEGACY.test(s) ); @@ -3865,17 +3877,20 @@ var typeMap = new Map(colorbrewerTypes.map(function (key) { return [key.toLowerCase(), key]; })); // use Proxy to allow case-insensitive access to palettes - var colorbrewerProxy = typeof Proxy === 'function' ? new Proxy(colorbrewer, { - get: function get(target, prop) { - var lower = prop.toLowerCase(); - if (typeMap.has(lower)) { - return target[typeMap.get(lower)]; - } - }, - getOwnPropertyNames: function getOwnPropertyNames() { - return Object.getOwnPropertyNames(colorbrewerTypes); - } - }) : colorbrewer; + var colorbrewerProxy = + typeof Proxy === 'function' + ? new Proxy(colorbrewer, { + get: function get(target, prop) { + var lower = prop.toLowerCase(); + if (typeMap.has(lower)) { + return target[typeMap.get(lower)]; + } + }, + getOwnPropertyNames: function getOwnPropertyNames() { + return Object.getOwnPropertyNames(colorbrewerTypes); + } + }) + : colorbrewer; // feel free to comment out anything to rollup // a smaller chroma.js bundle diff --git a/dist/chroma.min.cjs b/dist/chroma.min.cjs index f9397b5e..2e50806f 100644 --- a/dist/chroma.min.cjs +++ b/dist/chroma.min.cjs @@ -55,4 +55,4 @@ * @preserve */ -!function(r,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(r="undefined"!=typeof globalThis?globalThis:r||self).chroma=t()}(this,(function(){"use strict";var r=Math.min,t=Math.max;function e(e,n,a){return void 0===n&&(n=0),void 0===a&&(a=1),r(t(n,e),a)}function n(r){r._clipped=!1,r._unclipped=r.slice(0);for(var t=0;t<=3;t++)t<3?((r[t]<0||r[t]>255)&&(r._clipped=!0),r[t]=e(r[t],0,255)):3===t&&(r[t]=e(r[t],0,1));return r}for(var a={},f=0,o=["Boolean","Number","String","Function","Array","Date","RegExp","Undefined","Null"];f=3?Array.prototype.slice.call(r):"object"==c(r[0])&&t?t.split("").filter((function(t){return void 0!==r[0][t]})).map((function(t){return r[0][t]})):r[0].slice(0)}function l(r){if(r.length<2)return null;var 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new(Function.prototype.bind.apply(k,[null].concat(r,["lch"])))},Wr=function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];return new(Function.prototype.bind.apply(k,[null].concat(r,["hcl"])))};Object.assign(M,{lch:Sr,hcl:Wr}),w.format.lch=H,w.format.hcl=function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];var e=i(r,"hcl").reverse();return H.apply(void 0,e)},["lch","hcl"].forEach((function(r){return w.autodetect.push({p:2,test:function(){for(var t=[],e=arguments.length;e--;)t[e]=arguments[e];if("array"===c(t=i(t,r))&&3===t.length)return r}})}));k.prototype.num=function(){return function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];var e=i(r,"rgb");return(e[0]<<16)+(e[1]<<8)+e[2]}(this._rgb)};var Ir=function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];return new(Function.prototype.bind.apply(k,[null].concat(r,["num"])))};Object.assign(M,{num:Ir}),w.format.num=function(r){if("number"==c(r)&&r>=0&&r<=16777215)return[r>>16,r>>8&255,255&r,1];throw new Error("unknown num color: "+r)},w.autodetect.push({p:5,test:function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];if(1===r.length&&"number"===c(r[0])&&r[0]>=0&&r[0]<=16777215)return"num"}});var Kr=Math.round;k.prototype.rgb=function(r){return void 0===r&&(r=!0),!1===r?this._rgb.slice(0,3):this._rgb.slice(0,3).map(Kr)},k.prototype.rgba=function(r){return void 0===r&&(r=!0),this._rgb.slice(0,4).map((function(t,e){return e<3?!1===r?t:Kr(t):t}))};var zr=function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];return new(Function.prototype.bind.apply(k,[null].concat(r,["rgb"])))};Object.assign(M,{rgb:zr}),w.format.rgb=function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];var e=i(r,"rgba");return void 0===e[3]&&(e[3]=1),e},w.autodetect.push({p:3,test:function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];if("array"===c(r=i(r,"rgba"))&&(3===r.length||4===r.length&&"number"==c(r[3])&&r[3]>=0&&r[3]<=1))return"rgb"}});var Ur=Math.log,Vr=function(r){var t,e,n,a=r/100;return a<66?(t=255,e=a<6?0:-155.25485562709179-.44596950469579133*(e=a-2)+104.49216199393888*Ur(e),n=a<20?0:.8274096064007395*(n=a-10)-254.76935184120902+115.67994401066147*Ur(n)):(t=351.97690566805693+.114206453784165*(t=a-55)-40.25366309332127*Ur(t),e=325.4494125711974+.07943456536662342*(e=a-50)-28.0852963507957*Ur(e),n=255),[t,e,n,1]},Dr=Math.round;k.prototype.temp=k.prototype.kelvin=k.prototype.temperature=function(){return function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];for(var e,n=i(r,"rgb"),a=n[0],f=n[2],o=1e3,u=4e4;u-o>.4;){var c=Vr(e=.5*(u+o));c[2]/c[0]>=f/a?u=e:o=e}return Dr(e)}(this._rgb)};var Tr=function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];return new(Function.prototype.bind.apply(k,[null].concat(r,["temp"])))};Object.assign(M,{temp:Tr,kelvin:Tr,temperature:Tr}),w.format.temp=w.format.kelvin=w.format.temperature=Vr,k.prototype.oklab=function(){return X(this._rgb)};var Hr=function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];return new(Function.prototype.bind.apply(k,[null].concat(r,["oklab"])))};Object.assign(M,{oklab:Hr}),w.format.oklab=J,w.autodetect.push({p:2,test:function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];if("array"===c(r=i(r,"oklab"))&&3===r.length)return"oklab"}}),k.prototype.oklch=function(){return C(this._rgb)};var Jr=function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];return new(Function.prototype.bind.apply(k,[null].concat(r,["oklch"])))};Object.assign(M,{oklch:Jr}),w.format.oklch=Q,w.autodetect.push({p:2,test:function(){for(var r=[],t=arguments.length;t--;)r[t]=arguments[t];if("array"===c(r=i(r,"oklch"))&&3===r.length)return"oklch"}});var Qr={aliceblue:"#f0f8ff",antiquewhite:"#faebd7",aqua:"#00ffff",aquamarine:"#7fffd4",azure:"#f0ffff",beige:"#f5f5dc",bisque:"#ffe4c4",black:"#000000",blanchedalmond:"#ffebcd",blue:"#0000ff",blueviolet:"#8a2be2",brown:"#a52a2a",burlywood:"#deb887",cadetblue:"#5f9ea0",chartreuse:"#7fff00",chocolate:"#d2691e",coral:"#ff7f50",cornflowerblue:"#6495ed",cornsilk:"#fff8dc",crimson:"#dc143c",cyan:"#00ffff",darkblue:"#00008b",darkcyan:"#008b8b",darkgoldenrod:"#b8860b",darkgray:"#a9a9a9",darkgreen:"#006400",darkgrey:"#a9a9a9",darkkhaki:"#bdb76b",darkmagenta:"#8b008b",darkolivegreen:"#556b2f",darkorange:"#ff8c00",darkorchid:"#9932cc",darkred:"#8b0000",darksalmon:"#e9967a",darkseagreen:"#8fbc8f",darkslateblue:"#483d8b",darkslategray:"#2f4f4f",darkslategrey:"#2f4f4f",darkturquoise:"#00ced1",darkviolet:"#9400d3",deeppink:"#ff1493",deepskyblue:"#00bfff",dimgray:"#696969",dimgrey:"#696969",dodgerblue:"#1e90ff",firebrick:"#b22222",floralwhite:"#fffaf0",forestgreen:"#228b22",fuchsia:"#ff00ff",gainsboro:"#dcdcdc",ghostwhite:"#f8f8ff",gold:"#ffd700",goldenrod:"#daa520",gray:"#808080",green:"#008000",greenyellow:"#adff2f",grey:"#808080",honeydew:"#f0fff0",hotpink:"#ff69b4",indianred:"#cd5c5c",indigo:"#4b0082",ivory:"#fffff0",khaki:"#f0e68c",laserlemon:"#ffff54",lavender:"#e6e6fa",lavenderblush:"#fff0f5",lawngreen:"#7cfc00",lemonchiffon:"#fffacd",lightblue:"#add8e6",lightcoral:"#f08080",lightcyan:"#e0ffff",lightgoldenrod:"#fafad2",lightgoldenrodyellow:"#fafad2",lightgray:"#d3d3d3",lightgreen:"#90ee90",lightgrey:"#d3d3d3",lightpink:"#ffb6c1",lightsalmon:"#ffa07a",lightseagreen:"#20b2aa",lightskyblue:"#87cefa",lightslategray:"#778899",lightslategrey:"#778899",lightsteelblue:"#b0c4de",lightyellow:"#ffffe0",lime:"#00ff00",limegreen:"#32cd32",linen:"#faf0e6",magenta:"#ff00ff",maroon:"#800000",maroon2:"#7f0000",maroon3:"#b03060",mediumaquamarine:"#66cdaa",mediumblue:"#0000cd",mediumorchid:"#ba55d3",mediumpurple:"#9370db",mediumseagreen:"#3cb371",mediumslateblue:"#7b68ee",mediumspringgreen:"#00fa9a",mediumturquoise:"#48d1cc",mediumvioletred:"#c71585",midnightblue:"#191970",mintcream:"#f5fffa",mistyrose:"#ffe4e1",moccasin:"#ffe4b5",navajowhite:"#ffdead",navy:"#000080",oldlace:"#fdf5e6",olive:"#808000",olivedrab:"#6b8e23",orange:"#ffa500",orangered:"#ff4500",orchid:"#da70d6",palegoldenrod:"#eee8aa",palegreen:"#98fb98",paleturquoise:"#afeeee",palevioletred:"#db7093",papayawhip:"#ffefd5",peachpuff:"#ffdab9",peru:"#cd853f",pink:"#ffc0cb",plum:"#dda0dd",powderblue:"#b0e0e6",purple:"#800080",purple2:"#7f007f",purple3:"#a020f0",rebeccapurple:"#663399",red:"#ff0000",rosybrown:"#bc8f8f",royalblue:"#4169e1",saddlebrown:"#8b4513",salmon:"#fa8072",sandybrown:"#f4a460",seagreen:"#2e8b57",seashell:"#fff5ee",sienna:"#a0522d",silver:"#c0c0c0",skyblue:"#87ceeb",slateblue:"#6a5acd",slategray:"#708090",slategrey:"#708090",snow:"#fffafa",springgreen:"#00ff7f",steelblue:"#4682b4",tan:"#d2b48c",teal:"#008080",thistle:"#d8bfd8",tomato:"#ff6347",turquoise:"#40e0d0",violet:"#ee82ee",wheat:"#f5deb3",white:"#ffffff",whitesmoke:"#f5f5f5",yellow:"#ffff00",yellowgreen:"#9acd32"};k.prototype.name=function(){for(var r=Or(this._rgb,"rgb"),t=0,e=Object.keys(Qr);t0;)t[e]=arguments[e+1];if(!t.length&&"string"===c(r)&&Qr[r.toLowerCase()])return"named"}}),k.prototype.alpha=function(r,t){return void 0===t&&(t=!1),void 0!==r&&"number"===c(r)?t?(this._rgb[3]=r,this):new k([this._rgb[0],this._rgb[1],this._rgb[2],r],"rgb"):this._rgb[3]},k.prototype.clipped=function(){return this._rgb._clipped||!1},k.prototype.darken=function(r){void 0===r&&(r=1);var t=this.lab();return t[0]-=A.Kn*r,new k(t,"lab").alpha(this.alpha(),!0)},k.prototype.brighten=function(r){return void 0===r&&(r=1),this.darken(-r)},k.prototype.darker=k.prototype.darken,k.prototype.brighter=k.prototype.brighten,k.prototype.get=function(r){var t=r.split("."),e=t[0],n=t[1],a=this[e]();if(n){var f=e.indexOf(n)-("ok"===e.substr(0,2)?2:0);if(f>-1)return a[f];throw new Error("unknown channel "+n+" in mode "+e)}return a};var rt=Math.pow;k.prototype.luminance=function(r,t){if(void 0===t&&(t="rgb"),void 0!==r&&"number"===c(r)){if(0===r)return new k([0,0,0,this._rgb[3]],"rgb");if(1===r)return new k([255,255,255,this._rgb[3]],"rgb");var e=this.luminance(),n=20,a=function(e,f){var o=e.interpolate(f,.5,t),u=o.luminance();return Math.abs(r-u)<1e-7||!n--?o:u>r?a(e,o):a(o,f)},f=(e>r?a(new k([0,0,0]),this):a(this,new k([255,255,255]))).rgb();return new k(f.concat([this._rgb[3]]))}return tt.apply(void 0,this._rgb.slice(0,3))};var tt=function(r,t,e){return.2126*(r=et(r))+.7152*(t=et(t))+.0722*(e=et(e))},et=function(r){return(r/=255)<=.03928?r/12.92:rt((r+.055)/1.055,2.4)},nt={};function at(r,t,e){void 0===e&&(e=.5);for(var n=[],a=arguments.length-3;a-- >0;)n[a]=arguments[a+3];var f=n[0]||"lrgb";if(nt[f]||n.length||(f=Object.keys(nt)[0]),!nt[f])throw new Error("interpolation mode "+f+" is not defined");return"object"!==c(r)&&(r=new k(r)),"object"!==c(t)&&(t=new k(t)),nt[f](r,t,e).alpha(r.alpha()+e*(t.alpha()-r.alpha()))}k.prototype.mix=k.prototype.interpolate=function(r,t){void 0===t&&(t=.5);for(var e=[],n=arguments.length-2;n-- >0;)e[n]=arguments[n+2];return at.apply(void 0,[this,r,t].concat(e))},k.prototype.premultiply=function(r){void 0===r&&(r=!1);var t=this._rgb,e=t[3];return r?(this._rgb=[t[0]*e,t[1]*e,t[2]*e,e],this):new k([t[0]*e,t[1]*e,t[2]*e,e],"rgb")},k.prototype.saturate=function(r){void 0===r&&(r=1);var t=this.lch();return t[1]+=A.Kn*r,t[1]<0&&(t[1]=0),new k(t,"lch").alpha(this.alpha(),!0)},k.prototype.desaturate=function(r){return void 0===r&&(r=1),this.saturate(-r)},k.prototype.set=function(r,t,e){void 0===e&&(e=!1);var n=r.split("."),a=n[0],f=n[1],o=this[a]();if(f){var u=a.indexOf(f)-("ok"===a.substr(0,2)?2:0);if(u>-1){if("string"==c(t))switch(t.charAt(0)){case"+":case"-":o[u]+=+t;break;case"*":o[u]*=+t.substr(1);break;case"/":o[u]/=+t.substr(1);break;default:o[u]=+t}else{if("number"!==c(t))throw new Error("unsupported value for Color.set");o[u]=t}var i=new k(o,a);return e?(this._rgb=i._rgb,this):i}throw new Error("unknown channel "+f+" in mode "+a)}return o},k.prototype.tint=function(r){void 0===r&&(r=.5);for(var t=[],e=arguments.length-1;e-- >0;)t[e]=arguments[e+1];return at.apply(void 0,[this,"white",r].concat(t))},k.prototype.shade=function(r){void 0===r&&(r=.5);for(var t=[],e=arguments.length-1;e-- >0;)t[e]=arguments[e+1];return at.apply(void 0,[this,"black",r].concat(t))};nt.rgb=function(r,t,e){var n=r._rgb,a=t._rgb;return new k(n[0]+e*(a[0]-n[0]),n[1]+e*(a[1]-n[1]),n[2]+e*(a[2]-n[2]),"rgb")};var ft=Math.sqrt,ot=Math.pow;nt.lrgb=function(r,t,e){var n=r._rgb,a=n[0],f=n[1],o=n[2],u=t._rgb,c=u[0],i=u[1],l=u[2];return new k(ft(ot(a,2)*(1-e)+ot(c,2)*e),ft(ot(f,2)*(1-e)+ot(i,2)*e),ft(ot(o,2)*(1-e)+ot(l,2)*e),"rgb")};function ut(r,t,e,n){var a,f,o,u,c,i,l,s,h,d,b,g,v;return"hsl"===n?(o=r.hsl(),u=t.hsl()):"hsv"===n?(o=r.hsv(),u=t.hsv()):"hcg"===n?(o=r.hcg(),u=t.hcg()):"hsi"===n?(o=r.hsi(),u=t.hsi()):"lch"===n||"hcl"===n?(n="hcl",o=r.hcl(),u=t.hcl()):"oklch"===n&&(o=r.oklch().reverse(),u=t.oklch().reverse()),"h"!==n.substr(0,1)&&"oklch"!==n||(c=(a=o)[0],l=a[1],h=a[2],i=(f=u)[0],s=f[1],d=f[2]),isNaN(c)||isNaN(i)?isNaN(c)?isNaN(i)?g=Number.NaN:(g=i,1!=h&&0!=h||"hsv"==n||(b=s)):(g=c,1!=d&&0!=d||"hsv"==n||(b=l)):g=c+e*(i>c&&i-c>180?i-(c+360):i180?i+360-c:i-c),void 0===b&&(b=l+e*(s-l)),v=h+e*(d-h),new k("oklch"===n?[v,b,g]:[g,b,v],n)}nt.lab=function(r,t,e){var n=r.lab(),a=t.lab();return new k(n[0]+e*(a[0]-n[0]),n[1]+e*(a[1]-n[1]),n[2]+e*(a[2]-n[2]),"lab")};var ct=function(r,t,e){return ut(r,t,e,"lch")};nt.lch=ct,nt.hcl=ct;nt.num=function(r,t,e){var n=r.num(),a=t.num();return new k(n+e*(a-n),"num")};nt.hcg=function(r,t,e){return ut(r,t,e,"hcg")};nt.hsi=function(r,t,e){return ut(r,t,e,"hsi")};nt.hsl=function(r,t,e){return ut(r,t,e,"hsl")};nt.hsv=function(r,t,e){return ut(r,t,e,"hsv")};nt.oklab=function(r,t,e){var n=r.oklab(),a=t.oklab();return new k(n[0]+e*(a[0]-n[0]),n[1]+e*(a[1]-n[1]),n[2]+e*(a[2]-n[2]),"oklab")};nt.oklch=function(r,t,e){return ut(r,t,e,"oklch")};var it=Math.pow,lt=Math.sqrt,st=Math.PI,ht=Math.cos,dt=Math.sin,bt=Math.atan2;var gt=function(r,t){for(var e=r.length,a=[0,0,0,0],f=0;f.9999999&&(a[3]=1),new k(n(a))},vt=Math.pow;function pt(r){var t="rgb",n=M("#ccc"),a=0,f=[0,1],o=[],u=[0,0],i=!1,l=[],s=!1,h=0,d=1,b=!1,g={},v=!0,p=1,m=function(r){if((r=r||["#fff","#000"])&&"string"===c(r)&&M.brewer&&M.brewer[r.toLowerCase()]&&(r=M.brewer[r.toLowerCase()]),"array"===c(r)){1===r.length&&(r=[r[0],r[0]]),r=r.slice(0);for(var t=0;t2){var b=function(r){if(null!=i){for(var t=i.length-1,e=0;e=i[e];)e++;return e-1}return 0}(r);s=b/(i.length-2)}else s=d!==h?(r-h)/(d-h):1;s=w(s),a||(s=y(s)),1!==p&&(s=vt(s,p)),s=e(s=u[0]+s*(1-u[0]-u[1]),0,1);var 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r=[],e=arguments.length;e--;)r[e]=arguments[e];if("array"===c(r=i(r,"lab"))&&3===r.length)return"lab"}});k.prototype.lch=function(){return q(this._rgb)},k.prototype.hcl=function(){return q(this._rgb).reverse()};var Ir=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];return new(Function.prototype.bind.apply(k,[null].concat(r,["lch"])))},Kr=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];return new(Function.prototype.bind.apply(k,[null].concat(r,["hcl"])))};Object.assign(M,{lch:Ir,hcl:Kr}),w.format.lch=H,w.format.hcl=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n=i(r,"hcl").reverse();return H.apply(void 0,n)},["lch","hcl"].forEach((function(r){return w.autodetect.push({p:2,test:function(){for(var e=[],n=arguments.length;n--;)e[n]=arguments[n];if("array"===c(e=i(e,r))&&3===e.length)return r}})}));k.prototype.num=function(){return function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n=i(r,"rgb");return(n[0]<<16)+(n[1]<<8)+n[2]}(this._rgb)};var zr=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];return new(Function.prototype.bind.apply(k,[null].concat(r,["num"])))};Object.assign(M,{num:zr}),w.format.num=function(r){if("number"==c(r)&&r>=0&&r<=16777215)return[r>>16,r>>8&255,255&r,1];throw new Error("unknown num color: "+r)},w.autodetect.push({p:5,test:function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];if(1===r.length&&"number"===c(r[0])&&r[0]>=0&&r[0]<=16777215)return"num"}});var Ur=Math.round;k.prototype.rgb=function(r){return void 0===r&&(r=!0),!1===r?this._rgb.slice(0,3):this._rgb.slice(0,3).map(Ur)},k.prototype.rgba=function(r){return void 0===r&&(r=!0),this._rgb.slice(0,4).map((function(e,n){return n<3?!1===r?e:Ur(e):e}))};var Vr=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];return new(Function.prototype.bind.apply(k,[null].concat(r,["rgb"])))};Object.assign(M,{rgb:Vr}),w.format.rgb=function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];var n=i(r,"rgba");return void 0===n[3]&&(n[3]=1),n},w.autodetect.push({p:3,test:function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];if("array"===c(r=i(r,"rgba"))&&(3===r.length||4===r.length&&"number"==c(r[3])&&r[3]>=0&&r[3]<=1))return"rgb"}});var Dr=Math.log,Tr=function(r){var e,n,t,a=r/100;return a<66?(e=255,n=a<6?0:-155.25485562709179-.44596950469579133*(n=a-2)+104.49216199393888*Dr(n),t=a<20?0:.8274096064007395*(t=a-10)-254.76935184120902+115.67994401066147*Dr(t)):(e=351.97690566805693+.114206453784165*(e=a-55)-40.25366309332127*Dr(e),n=325.4494125711974+.07943456536662342*(n=a-50)-28.0852963507957*Dr(n),t=255),[e,n,t,1]},Hr=Math.round;k.prototype.temp=k.prototype.kelvin=k.prototype.temperature=function(){return function(){for(var r=[],e=arguments.length;e--;)r[e]=arguments[e];for(var n,t=i(r,"rgb"),a=t[0],f=t[2],o=1e3,u=4e4;u-o>.4;){var c=Tr(n=.5*(u+o));c[2]/c[0]>=f/a?u=n:o=n}return Hr(n)}(this._rgb)};var 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ee={aliceblue:"#f0f8ff",antiquewhite:"#faebd7",aqua:"#00ffff",aquamarine:"#7fffd4",azure:"#f0ffff",beige:"#f5f5dc",bisque:"#ffe4c4",black:"#000000",blanchedalmond:"#ffebcd",blue:"#0000ff",blueviolet:"#8a2be2",brown:"#a52a2a",burlywood:"#deb887",cadetblue:"#5f9ea0",chartreuse:"#7fff00",chocolate:"#d2691e",coral:"#ff7f50",cornflowerblue:"#6495ed",cornsilk:"#fff8dc",crimson:"#dc143c",cyan:"#00ffff",darkblue:"#00008b",darkcyan:"#008b8b",darkgoldenrod:"#b8860b",darkgray:"#a9a9a9",darkgreen:"#006400",darkgrey:"#a9a9a9",darkkhaki:"#bdb76b",darkmagenta:"#8b008b",darkolivegreen:"#556b2f",darkorange:"#ff8c00",darkorchid:"#9932cc",darkred:"#8b0000",darksalmon:"#e9967a",darkseagreen:"#8fbc8f",darkslateblue:"#483d8b",darkslategray:"#2f4f4f",darkslategrey:"#2f4f4f",darkturquoise:"#00ced1",darkviolet:"#9400d3",deeppink:"#ff1493",deepskyblue:"#00bfff",dimgray:"#696969",dimgrey:"#696969",dodgerblue:"#1e90ff",firebrick:"#b22222",floralwhite:"#fffaf0",forestgreen:"#228b22",fuchsia:"#ff00ff",gainsboro:"#dcdcdc",ghostwhite:"#f8f8ff",gold:"#ffd700",goldenrod:"#daa520",gray:"#808080",green:"#008000",greenyellow:"#adff2f",grey:"#808080",honeydew:"#f0fff0",hotpink:"#ff69b4",indianred:"#cd5c5c",indigo:"#4b0082",ivory:"#fffff0",khaki:"#f0e68c",laserlemon:"#ffff54",lavender:"#e6e6fa",lavenderblush:"#fff0f5",lawngreen:"#7cfc00",lemonchiffon:"#fffacd",lightblue:"#add8e6",lightcoral:"#f08080",lightcyan:"#e0ffff",lightgoldenrod:"#fafad2",lightgoldenrodyellow:"#fafad2",lightgray:"#d3d3d3",lightgreen:"#90ee90",lightgrey:"#d3d3d3",lightpink:"#ffb6c1",lightsalmon:"#ffa07a",lightseagreen:"#20b2aa",lightskyblue:"#87cefa",lightslategray:"#778899",lightslategrey:"#778899",lightsteelblue:"#b0c4de",lightyellow:"#ffffe0",lime:"#00ff00",limegreen:"#32cd32",linen:"#faf0e6",magenta:"#ff00ff",maroon:"#800000",maroon2:"#7f0000",maroon3:"#b03060",mediumaquamarine:"#66cdaa",mediumblue:"#0000cd",mediumorchid:"#ba55d3",mediumpurple:"#9370db",mediumseagreen:"#3cb371",mediumslateblue:"#7b68ee",mediumspringgreen:"#00fa9a",mediumturquoise:"#48d1cc",mediumvioletred:"#c71585",midnightblue:"#191970",mintcream:"#f5fffa",mistyrose:"#ffe4e1",moccasin:"#ffe4b5",navajowhite:"#ffdead",navy:"#000080",oldlace:"#fdf5e6",olive:"#808000",olivedrab:"#6b8e23",orange:"#ffa500",orangered:"#ff4500",orchid:"#da70d6",palegoldenrod:"#eee8aa",palegreen:"#98fb98",paleturquoise:"#afeeee",palevioletred:"#db7093",papayawhip:"#ffefd5",peachpuff:"#ffdab9",peru:"#cd853f",pink:"#ffc0cb",plum:"#dda0dd",powderblue:"#b0e0e6",purple:"#800080",purple2:"#7f007f",purple3:"#a020f0",rebeccapurple:"#663399",red:"#ff0000",rosybrown:"#bc8f8f",royalblue:"#4169e1",saddlebrown:"#8b4513",salmon:"#fa8072",sandybrown:"#f4a460",seagreen:"#2e8b57",seashell:"#fff5ee",sienna:"#a0522d",silver:"#c0c0c0",skyblue:"#87ceeb",slateblue:"#6a5acd",slategray:"#708090",slategrey:"#708090",snow:"#fffafa",springgreen:"#00ff7f",steelblue:"#4682b4",tan:"#d2b48c",teal:"#008080",thistle:"#d8bfd8",tomato:"#ff6347",turquoise:"#40e0d0",violet:"#ee82ee",wheat:"#f5deb3",white:"#ffffff",whitesmoke:"#f5f5f5",yellow:"#ffff00",yellowgreen:"#9acd32"};k.prototype.name=function(){for(var r=Pr(this._rgb,"rgb"),e=0,n=Object.keys(ee);e0;)e[n]=arguments[n+1];if(!e.length&&"string"===c(r)&&ee[r.toLowerCase()])return"named"}}),k.prototype.alpha=function(r,e){return void 0===e&&(e=!1),void 0!==r&&"number"===c(r)?e?(this._rgb[3]=r,this):new k([this._rgb[0],this._rgb[1],this._rgb[2],r],"rgb"):this._rgb[3]},k.prototype.clipped=function(){return this._rgb._clipped||!1},k.prototype.darken=function(r){void 0===r&&(r=1);var e=this.lab();return e[0]-=j.Kn*r,new k(e,"lab").alpha(this.alpha(),!0)},k.prototype.brighten=function(r){return void 0===r&&(r=1),this.darken(-r)},k.prototype.darker=k.prototype.darken,k.prototype.brighter=k.prototype.brighten,k.prototype.get=function(r){var e=r.split("."),n=e[0],t=e[1],a=this[n]();if(t){var f=n.indexOf(t)-("ok"===n.substr(0,2)?2:0);if(f>-1)return a[f];throw new Error("unknown channel "+t+" in mode "+n)}return a};var ne=Math.pow;k.prototype.luminance=function(r,e){if(void 0===e&&(e="rgb"),void 0!==r&&"number"===c(r)){if(0===r)return new k([0,0,0,this._rgb[3]],"rgb");if(1===r)return new k([255,255,255,this._rgb[3]],"rgb");var n=this.luminance(),t=20,a=function(n,f){var o=n.interpolate(f,.5,e),u=o.luminance();return Math.abs(r-u)<1e-7||!t--?o:u>r?a(n,o):a(o,f)},f=(n>r?a(new k([0,0,0]),this):a(this,new k([255,255,255]))).rgb();return new k(f.concat([this._rgb[3]]))}return te.apply(void 0,this._rgb.slice(0,3))};var te=function(r,e,n){return.2126*(r=ae(r))+.7152*(e=ae(e))+.0722*(n=ae(n))},ae=function(r){return(r/=255)<=.03928?r/12.92:ne((r+.055)/1.055,2.4)},fe={};function oe(r,e,n){void 0===n&&(n=.5);for(var t=[],a=arguments.length-3;a-- >0;)t[a]=arguments[a+3];var f=t[0]||"lrgb";if(fe[f]||t.length||(f=Object.keys(fe)[0]),!fe[f])throw new Error("interpolation mode "+f+" is not defined");return"object"!==c(r)&&(r=new k(r)),"object"!==c(e)&&(e=new k(e)),fe[f](r,e,n).alpha(r.alpha()+n*(e.alpha()-r.alpha()))}k.prototype.mix=k.prototype.interpolate=function(r,e){void 0===e&&(e=.5);for(var n=[],t=arguments.length-2;t-- 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ie(r,e,n,"hsl")};fe.hsv=function(r,e,n){return ie(r,e,n,"hsv")};fe.oklab=function(r,e,n){var t=r.oklab(),a=e.oklab();return new k(t[0]+n*(a[0]-t[0]),t[1]+n*(a[1]-t[1]),t[2]+n*(a[2]-t[2]),"oklab")};fe.oklch=function(r,e,n){return ie(r,e,n,"oklch")};var he=Math.pow,se=Math.sqrt,de=Math.PI,be=Math.cos,ge=Math.sin,ve=Math.atan2;var pe=function(r,e){for(var n=r.length,a=[0,0,0,0],f=0;f.9999999&&(a[3]=1),new k(t(a))},me=Math.pow;function ye(r){var e="rgb",t=M("#ccc"),a=0,f=[0,1],o=[],u=[0,0],i=!1,l=[],h=!1,s=0,d=1,b=!1,g={},v=!0,p=1,m=function(r){if((r=r||["#fff","#000"])&&"string"===c(r)&&M.brewer&&M.brewer[r.toLowerCase()]&&(r=M.brewer[r.toLowerCase()]),"array"===c(r)){1===r.length&&(r=[r[0],r[0]]),r=r.slice(0);for(var e=0;e2){var b=function(r){if(null!=i){for(var e=i.length-1,n=0;n=i[n];)n++;return n-1}return 0}(r);h=b/(i.length-2)}else h=d!==s?(r-s)/(d-s):1;h=w(h),a||(h=y(h)),1!==p&&(h=me(h,p)),h=n(h=u[0]+h*(1-u[0]-u[1]),0,1);var 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