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30 lines
11 KiB
30 lines
11 KiB
"use strict";var e=require("@csstools/postcss-progressive-custom-properties"),t=require("postcss-value-parser");function n(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}var r=n(e),u=n(t); |
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/** |
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* Simple matrix (and vector) multiplication |
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* Warning: No error handling for incompatible dimensions! |
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* @author Lea Verou 2020 MIT License |
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* |
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* @license W3C |
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* https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document |
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* |
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* @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/multiply-matrices.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang). |
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* |
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* @see https://github.com/w3c/csswg-drafts/blob/main/css-color-4/multiply-matrices.js |
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*/ |
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function a(e,t){const n=e.length;let r,u;r=Array.isArray(e[0])?e:[e],Array.isArray(t[0])||(u=t.map((e=>[e])));const a=u[0].length,o=u[0].map(((e,t)=>u.map((e=>e[t]))));let i=r.map((e=>o.map((t=>Array.isArray(e)?e.reduce(((e,n,r)=>e+n*(t[r]||0)),0):t.reduce(((t,n)=>t+n*e),0)))));return 1===n&&(i=i[0]),1===a?i.map((e=>e[0])):i} |
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/** |
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* @license W3C |
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* https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document |
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* |
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* @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang). |
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* |
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* @see https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js |
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*/const o=[.3457/.3585,1,.2958/.3585];function i(e){return e.map((function(e){const t=e<0?-1:1,n=Math.abs(e);return n<.04045?e/12.92:t*Math.pow((n+.055)/1.055,2.4)}))}function s(e){return e.map((function(e){const t=e<0?-1:1,n=Math.abs(e);return n>.0031308?t*(1.055*Math.pow(n,1/2.4)-.055):12.92*e}))}function l(e){return a([[.41239079926595934,.357584339383878,.1804807884018343],[.21263900587151027,.715168678767756,.07219231536073371],[.01933081871559182,.11919477979462598,.9505321522496607]],e)}function c(e){return a([[3.2409699419045226,-1.537383177570094,-.4986107602930034],[-.9692436362808796,1.8759675015077202,.04155505740717559],[.05563007969699366,-.20397695888897652,1.0569715142428786]],e)}function f(e){return i(e)}function p(e){return s(e)}function d(e){return a([[.4865709486482162,.26566769316909306,.1982172852343625],[.2289745640697488,.6917385218365064,.079286914093745],[0,.04511338185890264,1.043944368900976]],e)}function h(e){return a([[2.493496911941425,-.9313836179191239,-.40271078445071684],[-.8294889695615747,1.7626640603183463,.023624685841943577],[.03584583024378447,-.07617238926804182,.9568845240076872]],e)}function m(e){return a([[.9554734527042182,-.023098536874261423,.0632593086610217],[-.028369706963208136,1.0099954580058226,.021041398966943008],[.012314001688319899,-.020507696433477912,1.3303659366080753]],e)}function v(e){const t=24389/27,n=216/24389,r=[];r[1]=(e[0]+16)/116,r[0]=e[1]/500+r[1],r[2]=r[1]-e[2]/200;return[Math.pow(r[0],3)>n?Math.pow(r[0],3):(116*r[0]-16)/t,e[0]>8?Math.pow((e[0]+16)/116,3):e[0]/t,Math.pow(r[2],3)>n?Math.pow(r[2],3):(116*r[2]-16)/t].map(((e,t)=>e*o[t]))}function b(e){return[e[0],e[1]*Math.cos(e[2]*Math.PI/180),e[1]*Math.sin(e[2]*Math.PI/180)]}function y(e){const t=a([[.8190224432164319,.3619062562801221,-.12887378261216414],[.0329836671980271,.9292868468965546,.03614466816999844],[.048177199566046255,.26423952494422764,.6335478258136937]],e);return a([[.2104542553,.793617785,-.0040720468],[1.9779984951,-2.428592205,.4505937099],[.0259040371,.7827717662,-.808675766]],t.map((e=>Math.cbrt(e))))}function M(e){const t=a([[.9999999984505198,.39633779217376786,.2158037580607588],[1.0000000088817609,-.10556134232365635,-.06385417477170591],[1.0000000546724108,-.08948418209496575,-1.2914855378640917]],e);return a([[1.2268798733741557,-.5578149965554813,.28139105017721583],[-.04057576262431372,1.1122868293970594,-.07171106666151701],[-.07637294974672142,-.4214933239627914,1.5869240244272418]],t.map((e=>e**3)))}function g(e){const t=180*Math.atan2(e[2],e[1])/Math.PI;return[e[0],Math.sqrt(e[1]**2+e[2]**2),t>=0?t:t+360]}function x(e){return[e[0],e[1]*Math.cos(e[2]*Math.PI/180),e[1]*Math.sin(e[2]*Math.PI/180)]} |
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/** |
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* @license W3C |
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* https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document |
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* |
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* @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/deltaEOK.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang). |
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* |
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* @see https://github.com/w3c/csswg-drafts/blob/main/css-color-4/deltaEOK.js |
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*/function F(e,t){const[n,r,u]=e,[a,o,i]=t,s=n-a,l=r-o,c=u-i;return Math.sqrt(s**2+l**2+c**2)}function P(e,t,n){return function(e,t,n){let r=0,u=e[1];const a=e;for(;u-r>1e-4;){const e=w(t(a));F(x(a),x(n(e)))-.02<1e-4?r=a[1]:u=a[1],a[1]=(u+r)/2}return w(t([...a]))}(e,t,n)}function w(e){return e.map((e=>e<0?0:e>1?1:e))}function I(e){const[t,n,r]=e;return t>=-1e-4&&t<=1.0001&&n>=-1e-4&&n<=1.0001&&r>=-1e-4&&r<=1.0001}function N(e){const[t,n,r]=e;let u=[Math.max(t,0),Math.min(Math.max(n,-160),160),Math.min(Math.max(r,-160),160)];u=v(u);let a=u.slice();return a=m(a),a=y(a),a=g(a),a[0]<1e-6&&(a=[0,0,0]),a[0]>.999999&&(a=[1,0,0]),u=m(u),u=h(u),u=p(u),I(u)?[w(u),!0]:[P(a,(e=>p(e=h(e=M(e=x(e))))),(e=>g(e=y(e=d(e=f(e)))))),!1]}function S(e){const[t,n,r]=e;let u=[Math.max(t,0),Math.min(Math.max(n,-160),160),Math.min(Math.max(r,-160),160)];u=v(u);let a=u.slice();return a=m(a),a=y(a),a=g(a),a[0]<1e-6&&(a=[0,0,0]),a[0]>.999999&&(a=[1,0,0]),u=m(u),u=c(u),u=s(u),I(u)?w(u).map((e=>Math.round(255*e))):P(a,(e=>s(e=c(e=M(e=x(e))))),(e=>g(e=y(e=l(e=i(e)))))).map((e=>Math.round(255*e)))}function O(e){const[t,n,r]=e;let u=[Math.max(t,0),n,r%360];u=b(u),u=v(u);let a=u.slice();return a=m(a),a=y(a),a=g(a),a[0]<1e-6&&(a=[0,0,0]),a[0]>.999999&&(a=[1,0,0]),u=m(u),u=h(u),u=p(u),I(u)?[w(u),!0]:[P(a,(e=>p(e=h(e=M(e=x(e))))),(e=>g(e=y(e=d(e=f(e)))))),!1]}function A(e){const[t,n,r]=e;let u=[Math.max(t,0),n,r%360];u=b(u),u=v(u);let a=u.slice();return a=m(a),a=y(a),a=g(a),a[0]<1e-6&&(a=[0,0,0]),a[0]>.999999&&(a=[1,0,0]),u=m(u),u=c(u),u=s(u),I(u)?w(u).map((e=>Math.round(255*e))):P(a,(e=>s(e=c(e=M(e=x(e))))),(e=>g(e=y(e=l(e=i(e)))))).map((e=>Math.round(255*e)))}function q(e){const t=e.value,n=e.nodes.slice().filter((e=>"comment"!==e.type&&"space"!==e.type));let r=null;if("lab"===t?r=$(n):"lch"===t&&(r=C(n)),!r)return;e.value="rgb",function(e,t,n){if(!t||!n)return;if(e.value="rgba",t.value=",",t.before="",!function(e){if(!e||"word"!==e.type)return!1;if(!H(e))return!1;const t=u.default.unit(e.value);if(!t)return!1;return!!t.number}(n))return;const r=u.default.unit(n.value);if(!r)return;"%"===r.unit&&(r.number=String(parseFloat(r.number)/100),n.value=String(r.number))}(e,r.slash,r.alpha);const[a,o,i]=G(r),[s,l,c]=L(r),f=("lab"===t?S:A)([s.number,l.number,c.number].map((e=>parseFloat(e))));e.nodes.splice(e.nodes.indexOf(a)+1,0,{sourceIndex:0,sourceEndIndex:1,value:",",type:"div",before:"",after:""}),e.nodes.splice(e.nodes.indexOf(o)+1,0,{sourceIndex:0,sourceEndIndex:1,value:",",type:"div",before:"",after:""}),z(e.nodes,a,{...a,value:String(f[0])}),z(e.nodes,o,{...o,value:String(f[1])}),z(e.nodes,i,{...i,value:String(f[2])})}function B(e){if(!e||"word"!==e.type)return!1;if(!H(e))return!1;const t=u.default.unit(e.value);return!!t&&("%"===t.unit||""===t.unit)}function E(e){return e&&"function"===e.type&&"calc"===e.value}function j(e){return e&&"function"===e.type&&"var"===e.value}function k(e){return e&&"div"===e.type&&"/"===e.value}function C(e){if(!B(e[0]))return null;if(!B(e[1]))return null;if(!function(e){if(!e||"word"!==e.type)return!1;if(!H(e))return!1;const t=u.default.unit(e.value);return!(!t||!t.number||"deg"!==t.unit&&"grad"!==t.unit&&"rad"!==t.unit&&"turn"!==t.unit&&""!==t.unit)}(e[2]))return null;const t={l:u.default.unit(e[0].value),lNode:e[0],c:u.default.unit(e[1].value),cNode:e[1],h:u.default.unit(e[2].value),hNode:e[2]};return function(e){switch(e.unit){case"deg":return void(e.unit="");case"rad":return e.unit="",void(e.number=(180*parseFloat(e.number)/Math.PI).toString());case"grad":return e.unit="",void(e.number=(.9*parseFloat(e.number)).toString());case"turn":e.unit="",e.number=(360*parseFloat(e.number)).toString()}}(t.h),""!==t.h.unit?null:(k(e[3])&&(t.slash=e[3]),(B(e[4])||E(e[4])||j(e[4]))&&(t.alpha=e[4]),!(e.length>3)||t.slash&&t.alpha?("%"===t.l.unit&&(t.l.unit=""),"%"===t.c.unit&&(t.c.unit="",t.c.number=(parseFloat(t.c.number)/100*150).toFixed(10)),t):null)}function $(e){if(!B(e[0]))return null;if(!B(e[1]))return null;if(!B(e[2]))return null;const t={l:u.default.unit(e[0].value),lNode:e[0],a:u.default.unit(e[1].value),aNode:e[1],b:u.default.unit(e[2].value),bNode:e[2]};return k(e[3])&&(t.slash=e[3]),(B(e[4])||E(e[4])||j(e[4]))&&(t.alpha=e[4]),!(e.length>3)||t.slash&&t.alpha?("%"===t.l.unit&&(t.l.unit=""),"%"===t.a.unit&&(t.a.unit="",t.a.number=(parseFloat(t.a.number)/100*125).toFixed(10)),"%"===t.b.unit&&(t.b.unit="",t.b.number=(parseFloat(t.b.number)/100*125).toFixed(10)),t):null}function D(e){return void 0!==e.a}function G(e){return D(e)?[e.lNode,e.aNode,e.bNode]:[e.lNode,e.cNode,e.hNode]}function L(e){return D(e)?[e.l,e.a,e.b]:[e.l,e.c,e.h]}function z(e,t,n){const r=e.indexOf(t);e[r]=n}function H(e){if(!e||!e.value)return!1;try{return!1!==u.default.unit(e.value)}catch(e){return!1}}function J(e,t,n,r){let a;try{a=u.default(e)}catch(r){t.warn(n,`Failed to parse value '${e}' as a lab or lch function. 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