purgecss - npm Package Compare versions

Comparing version 4.1.0 to 4.1.1

bin/purgecss.js

 #!/usr/bin/env node
-"use strict";var e=require("commander"),t=require("fs"),s=require("glob"),r=require("path"),o=require("postcss"),i=require("postcss-selector-parser"),n=require("util");function a(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}function c(e){if(e&&e.__esModule)return e;var t=Object.create(null);return e&&Object.keys(e).forEach((function(s){if("default"!==s){var r=Object.getOwnPropertyDescriptor(e,s);Object.defineProperty(t,s,r.get?r:{enumerable:!0,get:function(){return e[s]}})}})),t.default=e,Object.freeze(t)}var l=c(t),u=a(t),d=a(s),f=a(r),h=c(o),p=a(i),m="4.0.3",g="Remove unused css selectors";function v(e,t){t&&t.forEach(e.add,e)}class y{constructor(e){this.undetermined=new Set,this.attrNames=new Set,this.attrValues=new Set,this.classes=new Set,this.ids=new Set,this.tags=new Set,this.merge(e)}merge(e){return Array.isArray(e)?v(this.undetermined,e):e instanceof y?(v(this.undetermined,e.undetermined),v(this.attrNames,e.attrNames),v(this.attrValues,e.attrValues),v(this.classes,e.classes),v(this.ids,e.ids),v(this.tags,e.tags)):(v(this.undetermined,e.undetermined),e.attributes&&(v(this.attrNames,e.attributes.names),v(this.attrValues,e.attributes.values)),v(this.classes,e.classes),v(this.ids,e.ids),v(this.tags,e.tags)),this}hasAttrName(e){return this.attrNames.has(e)||this.undetermined.has(e)}someAttrValue(e){for(const t of this.attrValues)if(e(t))return!0;for(const t of this.undetermined)if(e(t))return!0;return!1}hasAttrPrefix(e){return this.someAttrValue((t=>t.startsWith(e)))}hasAttrSuffix(e){return this.someAttrValue((t=>t.endsWith(e)))}hasAttrSubstr(e){return e.trim().split(" ").every((e=>this.someAttrValue((t=>t.includes(e)))))}hasAttrValue(e){return this.attrValues.has(e)||this.undetermined.has(e)}hasClass(e){return this.classes.has(e)||this.undetermined.has(e)}hasId(e){return this.ids.has(e)||this.undetermined.has(e)}hasTag(e){return this.tags.has(e)||this.undetermined.has(e)}}const b=["*","::-webkit-scrollbar","::selection",":root","::before","::after"],S={css:[],content:[],defaultExtractor:e=>e.match(/[A-Za-z0-9_-]+/g)||[],extractors:[],fontFace:!1,keyframes:!1,rejected:!1,rejectedCss:!1,stdin:!1,stdout:!1,variables:!1,safelist:{standard:[],deep:[],greedy:[],variables:[],keyframes:[]},blocklist:[],skippedContentGlobs:[],dynamicAttributes:[]};function w(e,t){const s=[];return e.replace(t,(function(){const t=arguments,r=Array.prototype.slice.call(t,0,-2);return r.input=t[t.length-1],r.index=t[t.length-2],s.push(r),e})),s}class k{constructor(e){this.nodes=[],this.isUsed=!1,this.value=e}}class F{constructor(){this.nodes=new Map,this.usedVariables=new Set,this.safelist=[]}addVariable(e){const{prop:t}=e;if(!this.nodes.has(t)){const s=new k(e);this.nodes.set(t,s)}}addVariableUsage(e,t){const{prop:s}=e,r=this.nodes.get(s);for(const e of t){const t=e[1];if(this.nodes.has(t)){const e=this.nodes.get(t);null==r||r.nodes.push(e)}}}addVariableUsageInProperties(e){for(const t of e){const e=t[1];this.usedVariables.add(e)}}setAsUsed(e){const t=[this.nodes.get(e)];for(;0!==t.length;){const e=t.pop();e&&!e.isUsed&&(e.isUsed=!0,t.push(...e.nodes))}}removeUnused(){for(const e of this.usedVariables){const t=this.nodes.get(e);if(t){w(t.value.value,/var\((.+?)[,)]/g).forEach((e=>{this.usedVariables.has(e[1])||this.usedVariables.add(e[1])}))}}for(const e of this.usedVariables)this.setAsUsed(e);for(const[e,t]of this.nodes)t.isUsed||this.isVariablesSafelisted(e)||t.value.remove()}isVariablesSafelisted(e){return this.safelist.some((t=>"string"==typeof t?t===e:t.test(e)))}}const V={access:n.promisify(l.access),readFile:n.promisify(l.readFile)};function A(e=[]){return Array.isArray(e)?{...S.safelist,standard:e}:{...S.safelist,...e}}async function j(e="purgecss.config.js"){let t;try{const s=f.default.resolve(process.cwd(),e);t=await function(e){return Promise.resolve().then((function(){return c(require(e))}))}(s)}catch(e){throw new Error(`Error loading the config file ${e.message}`)}return{...S,...t,safelist:A(t.safelist)}}async function x(e,t){return new y(await t(e))}function C(e,t){switch(t){case"next":return e.text.includes("purgecss ignore");case"start":return e.text.includes("purgecss start ignore");case"end":return e.text.includes("purgecss end ignore")}}function U(e){return!!(G(e)&&!e.selector||(null==e?void 0:e.nodes)&&!e.nodes.length||q(e)&&(!e.nodes&&!e.params||!e.params&&e.nodes&&!e.nodes.length))}function R(e){return e.replace(/(^["'])|(["']$)/g,"")}function N(e,t){if(!t.hasAttrName(e.attribute))return!1;if(void 0===e.value)return!0;switch(e.operator){case"$=":return t.hasAttrSuffix(e.value);case"~=":case"*=":return t.hasAttrSubstr(e.value);case"=":return t.hasAttrValue(e.value);case"|=":case"^=":return t.hasAttrPrefix(e.value);default:return!0}}function E(e,t){return t.hasId(e.value)}function P(e,t){return t.hasTag(e.value)}function q(e){return"atrule"===(null==e?void 0:e.type)}function G(e){return"rule"===(null==e?void 0:e.type)}class O{constructor(){this.ignore=!1,this.atRules={fontFace:[],keyframes:[]},this.usedAnimations=new Set,this.usedFontFaces=new Set,this.selectorsRemoved=new Set,this.removedNodes=[],this.variablesStructure=new F,this.options=S}collectDeclarationsData(e){const{prop:t,value:s}=e;if(this.options.variables){const r=w(s,/var\((.+?)[,)]/g);t.startsWith("--")?(this.variablesStructure.addVariable(e),r.length>0&&this.variablesStructure.addVariableUsage(e,r)):r.length>0&&this.variablesStructure.addVariableUsageInProperties(r)}if(!this.options.keyframes||"animation"!==t&&"animation-name"!==t)if(this.options.fontFace){if("font-family"===t)for(const e of s.split(",")){const t=R(e.trim());this.usedFontFaces.add(t)}}else;else for(const e of s.split(/[\s,]+/))this.usedAnimations.add(e)}getFileExtractor(e,t){const s=t.find((t=>t.extensions.find((t=>e.endsWith(t)))));return void 0===s?this.options.defaultExtractor:s.extractor}async extractSelectorsFromFiles(e,t){const s=new y([]);for(const r of e){let e=[];try{await V.access(r,l.constants.F_OK),e.push(r)}catch(t){e=d.default.sync(r,{nodir:!0,ignore:this.options.skippedContentGlobs})}for(const r of e){const e=await V.readFile(r,"utf-8"),o=this.getFileExtractor(r,t),i=await x(e,o);s.merge(i)}}return s}async extractSelectorsFromString(e,t){const s=new y([]);for(const{raw:r,extension:o}of e){const e=this.getFileExtractor(`.${o}`,t),i=await x(r,e);s.merge(i)}return s}evaluateAtRule(e){if(this.options.keyframes&&e.name.endsWith("keyframes"))this.atRules.keyframes.push(e);else if(this.options.fontFace&&"font-face"===e.name&&e.nodes)for(const t of e.nodes)"decl"===t.type&&"font-family"===t.prop&&this.atRules.fontFace.push({name:R(t.value),node:e})}evaluateRule(e,t){if(this.ignore)return;const s=e.prev();if(function(e){return"comment"===(null==e?void 0:e.type)}(s)&&C(s,"next"))return void s.remove();if(e.parent&&q(e.parent)&&e.parent.name.endsWith("keyframes"))return;if(!G(e))return;if(function(e){let t=!1;return e.walkComments((e=>{e&&"comment"===e.type&&e.text.includes("purgecss ignore current")&&(t=!0,e.remove())})),t}(e))return;let r=!0;const o=e.selector;if(e.selector=p.default((e=>{e.walk((e=>{"selector"===e.type&&(r=this.shouldKeepSelector(e,t),r||(this.options.rejected&&this.selectorsRemoved.add(e.toString()),e.remove()))}))})).processSync(e.selector),r&&void 0!==e.nodes)for(const t of e.nodes)"decl"===t.type&&this.collectDeclarationsData(t);const i=e.parent;if(!e.selector&&(e.remove(),this.options.rejectedCss))if(e.selector=o,i&&U(i)){const t=i.clone();t.append(e),this.removedNodes.push(t)}else this.removedNodes.push(e);U(i)&&(null==i||i.remove())}async getPurgedCSS(e,t){const s=[],r=[];for(const t of e)"string"==typeof t?r.push(...d.default.sync(t,{nodir:!0,ignore:this.options.skippedContentGlobs})):r.push(t);for(const e of r){const r="string"==typeof e?this.options.stdin?e:await V.readFile(e,"utf-8"):e.raw,o=h.parse(r);this.walkThroughCSS(o,t),this.options.fontFace&&this.removeUnusedFontFaces(),this.options.keyframes&&this.removeUnusedKeyframes(),this.options.variables&&this.removeUnusedCSSVariables();const i={css:o.toString(),file:"string"==typeof e?e:e.name};this.options.rejected&&(i.rejected=Array.from(this.selectorsRemoved),this.selectorsRemoved.clear()),this.options.rejectedCss&&(i.rejectedCss=h.root({nodes:this.removedNodes}).toString()),s.push(i)}return s}isKeyframesSafelisted(e){return this.options.safelist.keyframes.some((t=>"string"==typeof t?t===e:t.test(e)))}isSelectorBlocklisted(e){return this.options.blocklist.some((t=>"string"==typeof t?t===e:t.test(e)))}isSelectorSafelisted(e){const t=this.options.safelist.standard.some((t=>"string"==typeof t?t===e:t.test(e)));return b.includes(e)||t}isSelectorSafelistedDeep(e){return this.options.safelist.deep.some((t=>t.test(e)))}isSelectorSafelistedGreedy(e){return this.options.safelist.greedy.some((t=>t.test(e)))}async purge(e){this.options="object"!=typeof e?await j(e):{...S,...e,safelist:A(e.safelist)};const{content:t,css:s,extractors:r,safelist:o}=this.options;this.options.variables&&(this.variablesStructure.safelist=o.variables||[]);const i=t.filter((e=>"string"==typeof e)),n=t.filter((e=>"object"==typeof e)),a=await this.extractSelectorsFromFiles(i,r),c=await this.extractSelectorsFromString(n,r);return this.getPurgedCSS(s,function(...e){const t=new y([]);return e.forEach(t.merge,t),t}(a,c))}removeUnusedCSSVariables(){this.variablesStructure.removeUnused()}removeUnusedFontFaces(){for(const{name:e,node:t}of this.atRules.fontFace)this.usedFontFaces.has(e)||t.remove()}removeUnusedKeyframes(){for(const e of this.atRules.keyframes)this.usedAnimations.has(e.params)||this.isKeyframesSafelisted(e.params)||e.remove()}getSelectorValue(e){return"attribute"===e.type&&e.attribute||e.value}shouldKeepSelector(e,t){if(function(e){return e.parent&&"pseudo"===e.parent.type&&e.parent.value.startsWith(":")||!1}(e))return!0;if(this.options.safelist.greedy.length>0){if(e.nodes.map(this.getSelectorValue).some((e=>e&&this.isSelectorSafelistedGreedy(e))))return!0}let s=!1;for(const o of e.nodes){const e=this.getSelectorValue(o);if(e&&this.isSelectorSafelistedDeep(e))return!0;if(e&&(b.includes(e)||this.isSelectorSafelisted(e)))s=!0;else{if(e&&this.isSelectorBlocklisted(e))return!1;switch(o.type){case"attribute":s=!![...this.options.dynamicAttributes,"value","checked","selected","open"].includes(o.attribute)||N(o,t);break;case"class":r=o,s=t.hasClass(r.value);break;case"id":s=E(o,t);break;case"tag":s=P(o,t);break;default:continue}if(!s)return!1}}var r;return s}walkThroughCSS(e,t){e.walk((e=>"rule"===e.type?this.evaluateRule(e,t):"atrule"===e.type?this.evaluateAtRule(e):void("comment"===e.type&&(C(e,"start")?(this.ignore=!0,e.remove()):C(e,"end")&&(this.ignore=!1,e.remove())))))}}async function W(e,t){try{await u.default.promises.writeFile(e,t)}catch(e){console.error(e.message)}}try{!async function(){var t;e.program.description(g).version(m).usage("--css <css...> --content <content...> [options]"),e.program.option("-con, --content <files...>","glob of content files").option("-css, --css <files...>","glob of css files").option("-c, --config <path>","path to the configuration file").option("-o, --output <path>","file path directory to write purged css files to").option("-font, --font-face","option to remove unused font-faces").option("-keyframes, --keyframes","option to remove unused keyframes").option("-v, --variables","option to remove unused variables").option("-rejected, --rejected","option to output rejected selectors").option("-rejected-css, --rejected-css","option to output rejected css").option("-s, --safelist <list...>","list of classes that should not be removed").option("-b, --blocklist <list...>","list of selectors that should be removed").option("-k, --skippedContentGlobs <list...>","list of glob patterns for folders/files that should not be scanned"),e.program.parse(process.argv);const{config:s,css:r,content:o,output:i,fontFace:n,keyframes:a,variables:c,rejected:l,rejectedCss:u,safelist:d,blocklist:f,skippedContentGlobs:h}=e.program.opts();s||o&&r||e.program.help();let p=S;s&&(p=await j(s)),o&&(p.content=o),r&&(p.css=r),n&&(p.fontFace=n),a&&(p.keyframes=a),l&&(p.rejected=l),u&&(p.rejectedCss=u),c&&(p.variables=c),d&&(p.safelist=A(d)),f&&(p.blocklist=f),h&&(p.skippedContentGlobs=h);const v=await(new O).purge(p),y=p.output||i;if(y){if(1===v.length&&y.endsWith(".css"))return void await W(y,v[0].css);for(const e of v){const s=null===(t=null==e?void 0:e.file)||void 0===t?void 0:t.split("/").pop();await W(`${i}/${s}`,e.css)}}else console.log(JSON.stringify(v))}()}catch(e){console.error(e.message),process.exit(1)}
+"use strict";var e=require("commander"),t=require("fs"),s=require("glob"),r=require("path"),o=require("postcss"),i=require("postcss-selector-parser"),n=require("util");function a(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}function c(e){if(e&&e.__esModule)return e;var t=Object.create(null);return e&&Object.keys(e).forEach((function(s){if("default"!==s){var r=Object.getOwnPropertyDescriptor(e,s);Object.defineProperty(t,s,r.get?r:{enumerable:!0,get:function(){return e[s]}})}})),t.default=e,Object.freeze(t)}var l=c(t),u=a(t),d=a(s),f=a(r),h=c(o),p=a(i),m="4.1.0",g="Remove unused css selectors";function v(e,t){t&&t.forEach(e.add,e)}class y{constructor(e){this.undetermined=new Set,this.attrNames=new Set,this.attrValues=new Set,this.classes=new Set,this.ids=new Set,this.tags=new Set,this.merge(e)}merge(e){return Array.isArray(e)?v(this.undetermined,e):e instanceof y?(v(this.undetermined,e.undetermined),v(this.attrNames,e.attrNames),v(this.attrValues,e.attrValues),v(this.classes,e.classes),v(this.ids,e.ids),v(this.tags,e.tags)):(v(this.undetermined,e.undetermined),e.attributes&&(v(this.attrNames,e.attributes.names),v(this.attrValues,e.attributes.values)),v(this.classes,e.classes),v(this.ids,e.ids),v(this.tags,e.tags)),this}hasAttrName(e){return this.attrNames.has(e)||this.undetermined.has(e)}someAttrValue(e){for(const t of this.attrValues)if(e(t))return!0;for(const t of this.undetermined)if(e(t))return!0;return!1}hasAttrPrefix(e){return this.someAttrValue((t=>t.startsWith(e)))}hasAttrSuffix(e){return this.someAttrValue((t=>t.endsWith(e)))}hasAttrSubstr(e){return e.trim().split(" ").every((e=>this.someAttrValue((t=>t.includes(e)))))}hasAttrValue(e){return this.attrValues.has(e)||this.undetermined.has(e)}hasClass(e){return this.classes.has(e)||this.undetermined.has(e)}hasId(e){return this.ids.has(e)||this.undetermined.has(e)}hasTag(e){return this.tags.has(e)||this.undetermined.has(e)}}const b=["*","::-webkit-scrollbar","::selection",":root","::before","::after"],S={css:[],content:[],defaultExtractor:e=>e.match(/[A-Za-z0-9_-]+/g)||[],extractors:[],fontFace:!1,keyframes:!1,rejected:!1,rejectedCss:!1,stdin:!1,stdout:!1,variables:!1,safelist:{standard:[],deep:[],greedy:[],variables:[],keyframes:[]},blocklist:[],skippedContentGlobs:[],dynamicAttributes:[]};function w(e,t){const s=[];return e.replace(t,(function(){const t=arguments,r=Array.prototype.slice.call(t,0,-2);return r.input=t[t.length-1],r.index=t[t.length-2],s.push(r),e})),s}class k{constructor(e){this.nodes=[],this.isUsed=!1,this.value=e}}class F{constructor(){this.nodes=new Map,this.usedVariables=new Set,this.safelist=[]}addVariable(e){const{prop:t}=e;if(!this.nodes.has(t)){const s=new k(e);this.nodes.set(t,s)}}addVariableUsage(e,t){const{prop:s}=e,r=this.nodes.get(s);for(const e of t){const t=e[1];if(this.nodes.has(t)){const e=this.nodes.get(t);null==r||r.nodes.push(e)}}}addVariableUsageInProperties(e){for(const t of e){const e=t[1];this.usedVariables.add(e)}}setAsUsed(e){const t=[this.nodes.get(e)];for(;0!==t.length;){const e=t.pop();e&&!e.isUsed&&(e.isUsed=!0,t.push(...e.nodes))}}removeUnused(){for(const e of this.usedVariables){const t=this.nodes.get(e);if(t){w(t.value.value,/var\((.+?)[,)]/g).forEach((e=>{this.usedVariables.has(e[1])||this.usedVariables.add(e[1])}))}}for(const e of this.usedVariables)this.setAsUsed(e);for(const[e,t]of this.nodes)t.isUsed||this.isVariablesSafelisted(e)||t.value.remove()}isVariablesSafelisted(e){return this.safelist.some((t=>"string"==typeof t?t===e:t.test(e)))}}const A={access:n.promisify(l.access),readFile:n.promisify(l.readFile)};function V(e=[]){return Array.isArray(e)?{...S.safelist,standard:e}:{...S.safelist,...e}}async function j(e="purgecss.config.js"){let t;try{const s=f.default.resolve(process.cwd(),e);t=await function(e){return Promise.resolve().then((function(){return c(require(e))}))}(s)}catch(e){throw new Error(`Error loading the config file ${e.message}`)}return{...S,...t,safelist:V(t.safelist)}}async function x(e,t){return new y(await t(e))}function C(e,t){switch(t){case"next":return e.text.includes("purgecss ignore");case"start":return e.text.includes("purgecss start ignore");case"end":return e.text.includes("purgecss end ignore")}}function U(e){return e.replace(/(^["'])|(["']$)/g,"")}function R(e,t){if(!t.hasAttrName(e.attribute))return!1;if(void 0===e.value)return!0;switch(e.operator){case"$=":return t.hasAttrSuffix(e.value);case"~=":case"*=":return t.hasAttrSubstr(e.value);case"=":return t.hasAttrValue(e.value);case"|=":case"^=":return t.hasAttrPrefix(e.value);default:return!0}}function E(e,t){return t.hasId(e.value)}function N(e,t){return t.hasTag(e.value)}function P(e){return"atrule"===(null==e?void 0:e.type)}function q(e){return"rule"===(null==e?void 0:e.type)}class G{constructor(){this.ignore=!1,this.atRules={fontFace:[],keyframes:[]},this.usedAnimations=new Set,this.usedFontFaces=new Set,this.selectorsRemoved=new Set,this.removedNodes=[],this.variablesStructure=new F,this.options=S}collectDeclarationsData(e){const{prop:t,value:s}=e;if(this.options.variables){const r=w(s,/var\((.+?)[,)]/g);t.startsWith("--")?(this.variablesStructure.addVariable(e),r.length>0&&this.variablesStructure.addVariableUsage(e,r)):r.length>0&&this.variablesStructure.addVariableUsageInProperties(r)}if(!this.options.keyframes||"animation"!==t&&"animation-name"!==t)if(this.options.fontFace){if("font-family"===t)for(const e of s.split(",")){const t=U(e.trim());this.usedFontFaces.add(t)}}else;else for(const e of s.split(/[\s,]+/))this.usedAnimations.add(e)}getFileExtractor(e,t){const s=t.find((t=>t.extensions.find((t=>e.endsWith(t)))));return void 0===s?this.options.defaultExtractor:s.extractor}async extractSelectorsFromFiles(e,t){const s=new y([]);for(const r of e){let e=[];try{await A.access(r,l.constants.F_OK),e.push(r)}catch(t){e=d.default.sync(r,{nodir:!0,ignore:this.options.skippedContentGlobs})}for(const r of e){const e=await A.readFile(r,"utf-8"),o=this.getFileExtractor(r,t),i=await x(e,o);s.merge(i)}}return s}async extractSelectorsFromString(e,t){const s=new y([]);for(const{raw:r,extension:o}of e){const e=this.getFileExtractor(`.${o}`,t),i=await x(r,e);s.merge(i)}return s}evaluateAtRule(e){if(this.options.keyframes&&e.name.endsWith("keyframes"))this.atRules.keyframes.push(e);else if(this.options.fontFace&&"font-face"===e.name&&e.nodes)for(const t of e.nodes)"decl"===t.type&&"font-family"===t.prop&&this.atRules.fontFace.push({name:U(t.value),node:e})}evaluateRule(e,t){if(this.ignore)return;const s=e.prev();if(function(e){return"comment"===(null==e?void 0:e.type)}(s)&&C(s,"next"))return void s.remove();if(e.parent&&P(e.parent)&&e.parent.name.endsWith("keyframes"))return;if(!q(e))return;if(function(e){let t=!1;return e.walkComments((e=>{e&&"comment"===e.type&&e.text.includes("purgecss ignore current")&&(t=!0,e.remove())})),t}(e))return;let r=!0;const o=[];if(e.selector=p.default((e=>{e.walk((e=>{"selector"===e.type&&(r=this.shouldKeepSelector(e,t),r||(this.options.rejected&&this.selectorsRemoved.add(e.toString()),this.options.rejectedCss&&o.push(e.toString()),e.remove()))}))})).processSync(e.selector),r&&void 0!==e.nodes)for(const t of e.nodes)"decl"===t.type&&this.collectDeclarationsData(t);const i=e.parent;if(e.selector||e.remove(),function(e){return!!(q(e)&&!e.selector||(null==e?void 0:e.nodes)&&!e.nodes.length||P(e)&&(!e.nodes&&!e.params||!e.params&&e.nodes&&!e.nodes.length))}(i)&&(null==i||i.remove()),this.options.rejectedCss&&o.length>0){const t=e.clone(),s=null==i?void 0:i.clone().removeAll().append(t);t.selectors=o;const r=s||t;this.removedNodes.push(r)}}async getPurgedCSS(e,t){const s=[],r=[];for(const t of e)"string"==typeof t?r.push(...d.default.sync(t,{nodir:!0,ignore:this.options.skippedContentGlobs})):r.push(t);for(const e of r){const r="string"==typeof e?this.options.stdin?e:await A.readFile(e,"utf-8"):e.raw,o=h.parse(r);this.walkThroughCSS(o,t),this.options.fontFace&&this.removeUnusedFontFaces(),this.options.keyframes&&this.removeUnusedKeyframes(),this.options.variables&&this.removeUnusedCSSVariables();const i={css:o.toString(),file:"string"==typeof e?e:e.name};this.options.rejected&&(i.rejected=Array.from(this.selectorsRemoved),this.selectorsRemoved.clear()),this.options.rejectedCss&&(i.rejectedCss=h.root({nodes:this.removedNodes}).toString()),s.push(i)}return s}isKeyframesSafelisted(e){return this.options.safelist.keyframes.some((t=>"string"==typeof t?t===e:t.test(e)))}isSelectorBlocklisted(e){return this.options.blocklist.some((t=>"string"==typeof t?t===e:t.test(e)))}isSelectorSafelisted(e){const t=this.options.safelist.standard.some((t=>"string"==typeof t?t===e:t.test(e)));return b.includes(e)||t}isSelectorSafelistedDeep(e){return this.options.safelist.deep.some((t=>t.test(e)))}isSelectorSafelistedGreedy(e){return this.options.safelist.greedy.some((t=>t.test(e)))}async purge(e){this.options="object"!=typeof e?await j(e):{...S,...e,safelist:V(e.safelist)};const{content:t,css:s,extractors:r,safelist:o}=this.options;this.options.variables&&(this.variablesStructure.safelist=o.variables||[]);const i=t.filter((e=>"string"==typeof e)),n=t.filter((e=>"object"==typeof e)),a=await this.extractSelectorsFromFiles(i,r),c=await this.extractSelectorsFromString(n,r);return this.getPurgedCSS(s,function(...e){const t=new y([]);return e.forEach(t.merge,t),t}(a,c))}removeUnusedCSSVariables(){this.variablesStructure.removeUnused()}removeUnusedFontFaces(){for(const{name:e,node:t}of this.atRules.fontFace)this.usedFontFaces.has(e)||t.remove()}removeUnusedKeyframes(){for(const e of this.atRules.keyframes)this.usedAnimations.has(e.params)||this.isKeyframesSafelisted(e.params)||e.remove()}getSelectorValue(e){return"attribute"===e.type&&e.attribute||e.value}shouldKeepSelector(e,t){if(function(e){return e.parent&&"pseudo"===e.parent.type&&e.parent.value.startsWith(":")||!1}(e))return!0;if(this.options.safelist.greedy.length>0){if(e.nodes.map(this.getSelectorValue).some((e=>e&&this.isSelectorSafelistedGreedy(e))))return!0}let s=!1;for(const o of e.nodes){const e=this.getSelectorValue(o);if(e&&this.isSelectorSafelistedDeep(e))return!0;if(e&&(b.includes(e)||this.isSelectorSafelisted(e)))s=!0;else{if(e&&this.isSelectorBlocklisted(e))return!1;switch(o.type){case"attribute":s=!![...this.options.dynamicAttributes,"value","checked","selected","open"].includes(o.attribute)||R(o,t);break;case"class":r=o,s=t.hasClass(r.value);break;case"id":s=E(o,t);break;case"tag":s=N(o,t);break;default:continue}if(!s)return!1}}var r;return s}walkThroughCSS(e,t){e.walk((e=>"rule"===e.type?this.evaluateRule(e,t):"atrule"===e.type?this.evaluateAtRule(e):void("comment"===e.type&&(C(e,"start")?(this.ignore=!0,e.remove()):C(e,"end")&&(this.ignore=!1,e.remove())))))}}async function O(e,t){try{await u.default.promises.writeFile(e,t)}catch(e){console.error(e.message)}}try{!async function(){var t;e.program.description(g).version(m).usage("--css <css...> --content <content...> [options]"),e.program.option("-con, --content <files...>","glob of content files").option("-css, --css <files...>","glob of css files").option("-c, --config <path>","path to the configuration file").option("-o, --output <path>","file path directory to write purged css files to").option("-font, --font-face","option to remove unused font-faces").option("-keyframes, --keyframes","option to remove unused keyframes").option("-v, --variables","option to remove unused variables").option("-rejected, --rejected","option to output rejected selectors").option("-rejected-css, --rejected-css","option to output rejected css").option("-s, --safelist <list...>","list of classes that should not be removed").option("-b, --blocklist <list...>","list of selectors that should be removed").option("-k, --skippedContentGlobs <list...>","list of glob patterns for folders/files that should not be scanned"),e.program.parse(process.argv);const{config:s,css:r,content:o,output:i,fontFace:n,keyframes:a,variables:c,rejected:l,rejectedCss:u,safelist:d,blocklist:f,skippedContentGlobs:h}=e.program.opts();s||o&&r||e.program.help();let p=S;s&&(p=await j(s)),o&&(p.content=o),r&&(p.css=r),n&&(p.fontFace=n),a&&(p.keyframes=a),l&&(p.rejected=l),u&&(p.rejectedCss=u),c&&(p.variables=c),d&&(p.safelist=V(d)),f&&(p.blocklist=f),h&&(p.skippedContentGlobs=h);const v=await(new G).purge(p),y=p.output||i;if(y){if(1===v.length&&y.endsWith(".css"))return void await O(y,v[0].css);for(const e of v){const s=null===(t=null==e?void 0:e.file)||void 0===t?void 0:t.split("/").pop();await O(`${i}/${s}`,e.css)}}else console.log(JSON.stringify(v))}()}catch(e){console.error(e.message),process.exit(1)}

lib/purgecss.esm.js

@@ -1,1 +0,1 @@
-import*as e from"fs";import t from"glob";import s from"path";import*as r from"postcss";import i from"postcss-selector-parser";import{promisify as a}from"util";function o(e,t){t&&t.forEach(e.add,e)}class n{constructor(e){this.undetermined=new Set,this.attrNames=new Set,this.attrValues=new Set,this.classes=new Set,this.ids=new Set,this.tags=new Set,this.merge(e)}merge(e){return Array.isArray(e)?o(this.undetermined,e):e instanceof n?(o(this.undetermined,e.undetermined),o(this.attrNames,e.attrNames),o(this.attrValues,e.attrValues),o(this.classes,e.classes),o(this.ids,e.ids),o(this.tags,e.tags)):(o(this.undetermined,e.undetermined),e.attributes&&(o(this.attrNames,e.attributes.names),o(this.attrValues,e.attributes.values)),o(this.classes,e.classes),o(this.ids,e.ids),o(this.tags,e.tags)),this}hasAttrName(e){return this.attrNames.has(e)||this.undetermined.has(e)}someAttrValue(e){for(const t of this.attrValues)if(e(t))return!0;for(const t of this.undetermined)if(e(t))return!0;return!1}hasAttrPrefix(e){return this.someAttrValue((t=>t.startsWith(e)))}hasAttrSuffix(e){return this.someAttrValue((t=>t.endsWith(e)))}hasAttrSubstr(e){return e.trim().split(" ").every((e=>this.someAttrValue((t=>t.includes(e)))))}hasAttrValue(e){return this.attrValues.has(e)||this.undetermined.has(e)}hasClass(e){return this.classes.has(e)||this.undetermined.has(e)}hasId(e){return this.ids.has(e)||this.undetermined.has(e)}hasTag(e){return this.tags.has(e)||this.undetermined.has(e)}}const c=["*","::-webkit-scrollbar","::selection",":root","::before","::after"],l={css:[],content:[],defaultExtractor:e=>e.match(/[A-Za-z0-9_-]+/g)||[],extractors:[],fontFace:!1,keyframes:!1,rejected:!1,rejectedCss:!1,stdin:!1,stdout:!1,variables:!1,safelist:{standard:[],deep:[],greedy:[],variables:[],keyframes:[]},blocklist:[],skippedContentGlobs:[],dynamicAttributes:[]};function u(e,t){const s=[];return e.replace(t,(function(){const t=arguments,r=Array.prototype.slice.call(t,0,-2);return r.input=t[t.length-1],r.index=t[t.length-2],s.push(r),e})),s}class d{constructor(e){this.nodes=[],this.isUsed=!1,this.value=e}}class h{constructor(){this.nodes=new Map,this.usedVariables=new Set,this.safelist=[]}addVariable(e){const{prop:t}=e;if(!this.nodes.has(t)){const s=new d(e);this.nodes.set(t,s)}}addVariableUsage(e,t){const{prop:s}=e,r=this.nodes.get(s);for(const e of t){const t=e[1];if(this.nodes.has(t)){const e=this.nodes.get(t);null==r||r.nodes.push(e)}}}addVariableUsageInProperties(e){for(const t of e){const e=t[1];this.usedVariables.add(e)}}setAsUsed(e){const t=[this.nodes.get(e)];for(;0!==t.length;){const e=t.pop();e&&!e.isUsed&&(e.isUsed=!0,t.push(...e.nodes))}}removeUnused(){for(const e of this.usedVariables){const t=this.nodes.get(e);if(t){u(t.value.value,/var\((.+?)[,)]/g).forEach((e=>{this.usedVariables.has(e[1])||this.usedVariables.add(e[1])}))}}for(const e of this.usedVariables)this.setAsUsed(e);for(const[e,t]of this.nodes)t.isUsed||this.isVariablesSafelisted(e)||t.value.remove()}isVariablesSafelisted(e){return this.safelist.some((t=>"string"==typeof t?t===e:t.test(e)))}}const f={access:a(e.access),readFile:a(e.readFile)};function p(e=[]){return Array.isArray(e)?{...l.safelist,standard:e}:{...l.safelist,...e}}async function m(e="purgecss.config.js"){let t;try{const r=s.resolve(process.cwd(),e);t=await import(r)}catch(e){throw new Error(`Error loading the config file ${e.message}`)}return{...l,...t,safelist:p(t.safelist)}}async function g(e,t){return new n(await t(e))}function v(e,t){switch(t){case"next":return e.text.includes("purgecss ignore");case"start":return e.text.includes("purgecss start ignore");case"end":return e.text.includes("purgecss end ignore")}}function y(e){return!!(k(e)&&!e.selector||(null==e?void 0:e.nodes)&&!e.nodes.length||A(e)&&(!e.nodes&&!e.params||!e.params&&e.nodes&&!e.nodes.length))}function S(...e){const t=new n([]);return e.forEach(t.merge,t),t}function b(e){return e.replace(/(^["'])|(["']$)/g,"")}function w(e,t){if(!t.hasAttrName(e.attribute))return!1;if(void 0===e.value)return!0;switch(e.operator){case"$=":return t.hasAttrSuffix(e.value);case"~=":case"*=":return t.hasAttrSubstr(e.value);case"=":return t.hasAttrValue(e.value);case"|=":case"^=":return t.hasAttrPrefix(e.value);default:return!0}}function F(e,t){return t.hasId(e.value)}function V(e,t){return t.hasTag(e.value)}function A(e){return"atrule"===(null==e?void 0:e.type)}function k(e){return"rule"===(null==e?void 0:e.type)}class x{constructor(){this.ignore=!1,this.atRules={fontFace:[],keyframes:[]},this.usedAnimations=new Set,this.usedFontFaces=new Set,this.selectorsRemoved=new Set,this.removedNodes=[],this.variablesStructure=new h,this.options=l}collectDeclarationsData(e){const{prop:t,value:s}=e;if(this.options.variables){const r=u(s,/var\((.+?)[,)]/g);t.startsWith("--")?(this.variablesStructure.addVariable(e),r.length>0&&this.variablesStructure.addVariableUsage(e,r)):r.length>0&&this.variablesStructure.addVariableUsageInProperties(r)}if(!this.options.keyframes||"animation"!==t&&"animation-name"!==t)if(this.options.fontFace){if("font-family"===t)for(const e of s.split(",")){const t=b(e.trim());this.usedFontFaces.add(t)}}else;else for(const e of s.split(/[\s,]+/))this.usedAnimations.add(e)}getFileExtractor(e,t){const s=t.find((t=>t.extensions.find((t=>e.endsWith(t)))));return void 0===s?this.options.defaultExtractor:s.extractor}async extractSelectorsFromFiles(s,r){const i=new n([]);for(const a of s){let s=[];try{await f.access(a,e.constants.F_OK),s.push(a)}catch(e){s=t.sync(a,{nodir:!0,ignore:this.options.skippedContentGlobs})}for(const e of s){const t=await f.readFile(e,"utf-8"),s=this.getFileExtractor(e,r),a=await g(t,s);i.merge(a)}}return i}async extractSelectorsFromString(e,t){const s=new n([]);for(const{raw:r,extension:i}of e){const e=this.getFileExtractor(`.${i}`,t),a=await g(r,e);s.merge(a)}return s}evaluateAtRule(e){if(this.options.keyframes&&e.name.endsWith("keyframes"))this.atRules.keyframes.push(e);else if(this.options.fontFace&&"font-face"===e.name&&e.nodes)for(const t of e.nodes)"decl"===t.type&&"font-family"===t.prop&&this.atRules.fontFace.push({name:b(t.value),node:e})}evaluateRule(e,t){if(this.ignore)return;const s=e.prev();if(function(e){return"comment"===(null==e?void 0:e.type)}(s)&&v(s,"next"))return void s.remove();if(e.parent&&A(e.parent)&&e.parent.name.endsWith("keyframes"))return;if(!k(e))return;if(function(e){let t=!1;return e.walkComments((e=>{e&&"comment"===e.type&&e.text.includes("purgecss ignore current")&&(t=!0,e.remove())})),t}(e))return;let r=!0;const a=e.selector;if(e.selector=i((e=>{e.walk((e=>{"selector"===e.type&&(r=this.shouldKeepSelector(e,t),r||(this.options.rejected&&this.selectorsRemoved.add(e.toString()),e.remove()))}))})).processSync(e.selector),r&&void 0!==e.nodes)for(const t of e.nodes)"decl"===t.type&&this.collectDeclarationsData(t);const o=e.parent;if(!e.selector&&(e.remove(),this.options.rejectedCss))if(e.selector=a,o&&y(o)){const t=o.clone();t.append(e),this.removedNodes.push(t)}else this.removedNodes.push(e);y(o)&&(null==o||o.remove())}async getPurgedCSS(e,s){const i=[],a=[];for(const s of e)"string"==typeof s?a.push(...t.sync(s,{nodir:!0,ignore:this.options.skippedContentGlobs})):a.push(s);for(const e of a){const t="string"==typeof e?this.options.stdin?e:await f.readFile(e,"utf-8"):e.raw,a=r.parse(t);this.walkThroughCSS(a,s),this.options.fontFace&&this.removeUnusedFontFaces(),this.options.keyframes&&this.removeUnusedKeyframes(),this.options.variables&&this.removeUnusedCSSVariables();const o={css:a.toString(),file:"string"==typeof e?e:e.name};this.options.rejected&&(o.rejected=Array.from(this.selectorsRemoved),this.selectorsRemoved.clear()),this.options.rejectedCss&&(o.rejectedCss=r.root({nodes:this.removedNodes}).toString()),i.push(o)}return i}isKeyframesSafelisted(e){return this.options.safelist.keyframes.some((t=>"string"==typeof t?t===e:t.test(e)))}isSelectorBlocklisted(e){return this.options.blocklist.some((t=>"string"==typeof t?t===e:t.test(e)))}isSelectorSafelisted(e){const t=this.options.safelist.standard.some((t=>"string"==typeof t?t===e:t.test(e)));return c.includes(e)||t}isSelectorSafelistedDeep(e){return this.options.safelist.deep.some((t=>t.test(e)))}isSelectorSafelistedGreedy(e){return this.options.safelist.greedy.some((t=>t.test(e)))}async purge(e){this.options="object"!=typeof e?await m(e):{...l,...e,safelist:p(e.safelist)};const{content:t,css:s,extractors:r,safelist:i}=this.options;this.options.variables&&(this.variablesStructure.safelist=i.variables||[]);const a=t.filter((e=>"string"==typeof e)),o=t.filter((e=>"object"==typeof e)),n=await this.extractSelectorsFromFiles(a,r),c=await this.extractSelectorsFromString(o,r);return this.getPurgedCSS(s,S(n,c))}removeUnusedCSSVariables(){this.variablesStructure.removeUnused()}removeUnusedFontFaces(){for(const{name:e,node:t}of this.atRules.fontFace)this.usedFontFaces.has(e)||t.remove()}removeUnusedKeyframes(){for(const e of this.atRules.keyframes)this.usedAnimations.has(e.params)||this.isKeyframesSafelisted(e.params)||e.remove()}getSelectorValue(e){return"attribute"===e.type&&e.attribute||e.value}shouldKeepSelector(e,t){if(function(e){return e.parent&&"pseudo"===e.parent.type&&e.parent.value.startsWith(":")||!1}(e))return!0;if(this.options.safelist.greedy.length>0){if(e.nodes.map(this.getSelectorValue).some((e=>e&&this.isSelectorSafelistedGreedy(e))))return!0}let s=!1;for(const i of e.nodes){const e=this.getSelectorValue(i);if(e&&this.isSelectorSafelistedDeep(e))return!0;if(e&&(c.includes(e)||this.isSelectorSafelisted(e)))s=!0;else{if(e&&this.isSelectorBlocklisted(e))return!1;switch(i.type){case"attribute":s=!![...this.options.dynamicAttributes,"value","checked","selected","open"].includes(i.attribute)||w(i,t);break;case"class":r=i,s=t.hasClass(r.value);break;case"id":s=F(i,t);break;case"tag":s=V(i,t);break;default:continue}if(!s)return!1}}var r;return s}walkThroughCSS(e,t){e.walk((e=>"rule"===e.type?this.evaluateRule(e,t):"atrule"===e.type?this.evaluateAtRule(e):void("comment"===e.type&&(v(e,"start")?(this.ignore=!0,e.remove()):v(e,"end")&&(this.ignore=!1,e.remove())))))}}export{x as PurgeCSS,x as default,l as defaultOptions,S as mergeExtractorSelectors,m as setOptions,p as standardizeSafelist};
+import*as e from"fs";import t from"glob";import s from"path";import*as r from"postcss";import i from"postcss-selector-parser";import{promisify as o}from"util";function a(e,t){t&&t.forEach(e.add,e)}class n{constructor(e){this.undetermined=new Set,this.attrNames=new Set,this.attrValues=new Set,this.classes=new Set,this.ids=new Set,this.tags=new Set,this.merge(e)}merge(e){return Array.isArray(e)?a(this.undetermined,e):e instanceof n?(a(this.undetermined,e.undetermined),a(this.attrNames,e.attrNames),a(this.attrValues,e.attrValues),a(this.classes,e.classes),a(this.ids,e.ids),a(this.tags,e.tags)):(a(this.undetermined,e.undetermined),e.attributes&&(a(this.attrNames,e.attributes.names),a(this.attrValues,e.attributes.values)),a(this.classes,e.classes),a(this.ids,e.ids),a(this.tags,e.tags)),this}hasAttrName(e){return this.attrNames.has(e)||this.undetermined.has(e)}someAttrValue(e){for(const t of this.attrValues)if(e(t))return!0;for(const t of this.undetermined)if(e(t))return!0;return!1}hasAttrPrefix(e){return this.someAttrValue((t=>t.startsWith(e)))}hasAttrSuffix(e){return this.someAttrValue((t=>t.endsWith(e)))}hasAttrSubstr(e){return e.trim().split(" ").every((e=>this.someAttrValue((t=>t.includes(e)))))}hasAttrValue(e){return this.attrValues.has(e)||this.undetermined.has(e)}hasClass(e){return this.classes.has(e)||this.undetermined.has(e)}hasId(e){return this.ids.has(e)||this.undetermined.has(e)}hasTag(e){return this.tags.has(e)||this.undetermined.has(e)}}const c=["*","::-webkit-scrollbar","::selection",":root","::before","::after"],l={css:[],content:[],defaultExtractor:e=>e.match(/[A-Za-z0-9_-]+/g)||[],extractors:[],fontFace:!1,keyframes:!1,rejected:!1,rejectedCss:!1,stdin:!1,stdout:!1,variables:!1,safelist:{standard:[],deep:[],greedy:[],variables:[],keyframes:[]},blocklist:[],skippedContentGlobs:[],dynamicAttributes:[]};function u(e,t){const s=[];return e.replace(t,(function(){const t=arguments,r=Array.prototype.slice.call(t,0,-2);return r.input=t[t.length-1],r.index=t[t.length-2],s.push(r),e})),s}class d{constructor(e){this.nodes=[],this.isUsed=!1,this.value=e}}class h{constructor(){this.nodes=new Map,this.usedVariables=new Set,this.safelist=[]}addVariable(e){const{prop:t}=e;if(!this.nodes.has(t)){const s=new d(e);this.nodes.set(t,s)}}addVariableUsage(e,t){const{prop:s}=e,r=this.nodes.get(s);for(const e of t){const t=e[1];if(this.nodes.has(t)){const e=this.nodes.get(t);null==r||r.nodes.push(e)}}}addVariableUsageInProperties(e){for(const t of e){const e=t[1];this.usedVariables.add(e)}}setAsUsed(e){const t=[this.nodes.get(e)];for(;0!==t.length;){const e=t.pop();e&&!e.isUsed&&(e.isUsed=!0,t.push(...e.nodes))}}removeUnused(){for(const e of this.usedVariables){const t=this.nodes.get(e);if(t){u(t.value.value,/var\((.+?)[,)]/g).forEach((e=>{this.usedVariables.has(e[1])||this.usedVariables.add(e[1])}))}}for(const e of this.usedVariables)this.setAsUsed(e);for(const[e,t]of this.nodes)t.isUsed||this.isVariablesSafelisted(e)||t.value.remove()}isVariablesSafelisted(e){return this.safelist.some((t=>"string"==typeof t?t===e:t.test(e)))}}const f={access:o(e.access),readFile:o(e.readFile)};function p(e=[]){return Array.isArray(e)?{...l.safelist,standard:e}:{...l.safelist,...e}}async function m(e="purgecss.config.js"){let t;try{const r=s.resolve(process.cwd(),e);t=await import(r)}catch(e){throw new Error(`Error loading the config file ${e.message}`)}return{...l,...t,safelist:p(t.safelist)}}async function g(e,t){return new n(await t(e))}function v(e,t){switch(t){case"next":return e.text.includes("purgecss ignore");case"start":return e.text.includes("purgecss start ignore");case"end":return e.text.includes("purgecss end ignore")}}function y(...e){const t=new n([]);return e.forEach(t.merge,t),t}function S(e){return e.replace(/(^["'])|(["']$)/g,"")}function b(e,t){if(!t.hasAttrName(e.attribute))return!1;if(void 0===e.value)return!0;switch(e.operator){case"$=":return t.hasAttrSuffix(e.value);case"~=":case"*=":return t.hasAttrSubstr(e.value);case"=":return t.hasAttrValue(e.value);case"|=":case"^=":return t.hasAttrPrefix(e.value);default:return!0}}function w(e,t){return t.hasId(e.value)}function A(e,t){return t.hasTag(e.value)}function F(e){return"atrule"===(null==e?void 0:e.type)}function V(e){return"rule"===(null==e?void 0:e.type)}class k{constructor(){this.ignore=!1,this.atRules={fontFace:[],keyframes:[]},this.usedAnimations=new Set,this.usedFontFaces=new Set,this.selectorsRemoved=new Set,this.removedNodes=[],this.variablesStructure=new h,this.options=l}collectDeclarationsData(e){const{prop:t,value:s}=e;if(this.options.variables){const r=u(s,/var\((.+?)[,)]/g);t.startsWith("--")?(this.variablesStructure.addVariable(e),r.length>0&&this.variablesStructure.addVariableUsage(e,r)):r.length>0&&this.variablesStructure.addVariableUsageInProperties(r)}if(!this.options.keyframes||"animation"!==t&&"animation-name"!==t)if(this.options.fontFace){if("font-family"===t)for(const e of s.split(",")){const t=S(e.trim());this.usedFontFaces.add(t)}}else;else for(const e of s.split(/[\s,]+/))this.usedAnimations.add(e)}getFileExtractor(e,t){const s=t.find((t=>t.extensions.find((t=>e.endsWith(t)))));return void 0===s?this.options.defaultExtractor:s.extractor}async extractSelectorsFromFiles(s,r){const i=new n([]);for(const o of s){let s=[];try{await f.access(o,e.constants.F_OK),s.push(o)}catch(e){s=t.sync(o,{nodir:!0,ignore:this.options.skippedContentGlobs})}for(const e of s){const t=await f.readFile(e,"utf-8"),s=this.getFileExtractor(e,r),o=await g(t,s);i.merge(o)}}return i}async extractSelectorsFromString(e,t){const s=new n([]);for(const{raw:r,extension:i}of e){const e=this.getFileExtractor(`.${i}`,t),o=await g(r,e);s.merge(o)}return s}evaluateAtRule(e){if(this.options.keyframes&&e.name.endsWith("keyframes"))this.atRules.keyframes.push(e);else if(this.options.fontFace&&"font-face"===e.name&&e.nodes)for(const t of e.nodes)"decl"===t.type&&"font-family"===t.prop&&this.atRules.fontFace.push({name:S(t.value),node:e})}evaluateRule(e,t){if(this.ignore)return;const s=e.prev();if(function(e){return"comment"===(null==e?void 0:e.type)}(s)&&v(s,"next"))return void s.remove();if(e.parent&&F(e.parent)&&e.parent.name.endsWith("keyframes"))return;if(!V(e))return;if(function(e){let t=!1;return e.walkComments((e=>{e&&"comment"===e.type&&e.text.includes("purgecss ignore current")&&(t=!0,e.remove())})),t}(e))return;let r=!0;const o=[];if(e.selector=i((e=>{e.walk((e=>{"selector"===e.type&&(r=this.shouldKeepSelector(e,t),r||(this.options.rejected&&this.selectorsRemoved.add(e.toString()),this.options.rejectedCss&&o.push(e.toString()),e.remove()))}))})).processSync(e.selector),r&&void 0!==e.nodes)for(const t of e.nodes)"decl"===t.type&&this.collectDeclarationsData(t);const a=e.parent;if(e.selector||e.remove(),function(e){return!!(V(e)&&!e.selector||(null==e?void 0:e.nodes)&&!e.nodes.length||F(e)&&(!e.nodes&&!e.params||!e.params&&e.nodes&&!e.nodes.length))}(a)&&(null==a||a.remove()),this.options.rejectedCss&&o.length>0){const t=e.clone(),s=null==a?void 0:a.clone().removeAll().append(t);t.selectors=o;const r=s||t;this.removedNodes.push(r)}}async getPurgedCSS(e,s){const i=[],o=[];for(const s of e)"string"==typeof s?o.push(...t.sync(s,{nodir:!0,ignore:this.options.skippedContentGlobs})):o.push(s);for(const e of o){const t="string"==typeof e?this.options.stdin?e:await f.readFile(e,"utf-8"):e.raw,o=r.parse(t);this.walkThroughCSS(o,s),this.options.fontFace&&this.removeUnusedFontFaces(),this.options.keyframes&&this.removeUnusedKeyframes(),this.options.variables&&this.removeUnusedCSSVariables();const a={css:o.toString(),file:"string"==typeof e?e:e.name};this.options.rejected&&(a.rejected=Array.from(this.selectorsRemoved),this.selectorsRemoved.clear()),this.options.rejectedCss&&(a.rejectedCss=r.root({nodes:this.removedNodes}).toString()),i.push(a)}return i}isKeyframesSafelisted(e){return this.options.safelist.keyframes.some((t=>"string"==typeof t?t===e:t.test(e)))}isSelectorBlocklisted(e){return this.options.blocklist.some((t=>"string"==typeof t?t===e:t.test(e)))}isSelectorSafelisted(e){const t=this.options.safelist.standard.some((t=>"string"==typeof t?t===e:t.test(e)));return c.includes(e)||t}isSelectorSafelistedDeep(e){return this.options.safelist.deep.some((t=>t.test(e)))}isSelectorSafelistedGreedy(e){return this.options.safelist.greedy.some((t=>t.test(e)))}async purge(e){this.options="object"!=typeof e?await m(e):{...l,...e,safelist:p(e.safelist)};const{content:t,css:s,extractors:r,safelist:i}=this.options;this.options.variables&&(this.variablesStructure.safelist=i.variables||[]);const o=t.filter((e=>"string"==typeof e)),a=t.filter((e=>"object"==typeof e)),n=await this.extractSelectorsFromFiles(o,r),c=await this.extractSelectorsFromString(a,r);return this.getPurgedCSS(s,y(n,c))}removeUnusedCSSVariables(){this.variablesStructure.removeUnused()}removeUnusedFontFaces(){for(const{name:e,node:t}of this.atRules.fontFace)this.usedFontFaces.has(e)||t.remove()}removeUnusedKeyframes(){for(const e of this.atRules.keyframes)this.usedAnimations.has(e.params)||this.isKeyframesSafelisted(e.params)||e.remove()}getSelectorValue(e){return"attribute"===e.type&&e.attribute||e.value}shouldKeepSelector(e,t){if(function(e){return e.parent&&"pseudo"===e.parent.type&&e.parent.value.startsWith(":")||!1}(e))return!0;if(this.options.safelist.greedy.length>0){if(e.nodes.map(this.getSelectorValue).some((e=>e&&this.isSelectorSafelistedGreedy(e))))return!0}let s=!1;for(const i of e.nodes){const e=this.getSelectorValue(i);if(e&&this.isSelectorSafelistedDeep(e))return!0;if(e&&(c.includes(e)||this.isSelectorSafelisted(e)))s=!0;else{if(e&&this.isSelectorBlocklisted(e))return!1;switch(i.type){case"attribute":s=!![...this.options.dynamicAttributes,"value","checked","selected","open"].includes(i.attribute)||b(i,t);break;case"class":r=i,s=t.hasClass(r.value);break;case"id":s=w(i,t);break;case"tag":s=A(i,t);break;default:continue}if(!s)return!1}}var r;return s}walkThroughCSS(e,t){e.walk((e=>"rule"===e.type?this.evaluateRule(e,t):"atrule"===e.type?this.evaluateAtRule(e):void("comment"===e.type&&(v(e,"start")?(this.ignore=!0,e.remove()):v(e,"end")&&(this.ignore=!1,e.remove())))))}}export{k as PurgeCSS,k as default,l as defaultOptions,y as mergeExtractorSelectors,m as setOptions,p as standardizeSafelist};

lib/purgecss.js

@@ -1,1 +0,1 @@
-"use strict";Object.defineProperty(exports,"__esModule",{value:!0});var e=require("fs"),t=require("glob"),s=require("path"),r=require("postcss"),i=require("postcss-selector-parser"),n=require("util");function a(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}function o(e){if(e&&e.__esModule)return e;var t=Object.create(null);return e&&Object.keys(e).forEach((function(s){if("default"!==s){var r=Object.getOwnPropertyDescriptor(e,s);Object.defineProperty(t,s,r.get?r:{enumerable:!0,get:function(){return e[s]}})}})),t.default=e,Object.freeze(t)}var c=o(e),u=a(t),l=a(s),d=o(r),h=a(i);function f(e,t){t&&t.forEach(e.add,e)}class p{constructor(e){this.undetermined=new Set,this.attrNames=new Set,this.attrValues=new Set,this.classes=new Set,this.ids=new Set,this.tags=new Set,this.merge(e)}merge(e){return Array.isArray(e)?f(this.undetermined,e):e instanceof p?(f(this.undetermined,e.undetermined),f(this.attrNames,e.attrNames),f(this.attrValues,e.attrValues),f(this.classes,e.classes),f(this.ids,e.ids),f(this.tags,e.tags)):(f(this.undetermined,e.undetermined),e.attributes&&(f(this.attrNames,e.attributes.names),f(this.attrValues,e.attributes.values)),f(this.classes,e.classes),f(this.ids,e.ids),f(this.tags,e.tags)),this}hasAttrName(e){return this.attrNames.has(e)||this.undetermined.has(e)}someAttrValue(e){for(const t of this.attrValues)if(e(t))return!0;for(const t of this.undetermined)if(e(t))return!0;return!1}hasAttrPrefix(e){return this.someAttrValue((t=>t.startsWith(e)))}hasAttrSuffix(e){return this.someAttrValue((t=>t.endsWith(e)))}hasAttrSubstr(e){return e.trim().split(" ").every((e=>this.someAttrValue((t=>t.includes(e)))))}hasAttrValue(e){return this.attrValues.has(e)||this.undetermined.has(e)}hasClass(e){return this.classes.has(e)||this.undetermined.has(e)}hasId(e){return this.ids.has(e)||this.undetermined.has(e)}hasTag(e){return this.tags.has(e)||this.undetermined.has(e)}}const m=["*","::-webkit-scrollbar","::selection",":root","::before","::after"],g={css:[],content:[],defaultExtractor:e=>e.match(/[A-Za-z0-9_-]+/g)||[],extractors:[],fontFace:!1,keyframes:!1,rejected:!1,rejectedCss:!1,stdin:!1,stdout:!1,variables:!1,safelist:{standard:[],deep:[],greedy:[],variables:[],keyframes:[]},blocklist:[],skippedContentGlobs:[],dynamicAttributes:[]};function v(e,t){const s=[];return e.replace(t,(function(){const t=arguments,r=Array.prototype.slice.call(t,0,-2);return r.input=t[t.length-1],r.index=t[t.length-2],s.push(r),e})),s}class y{constructor(e){this.nodes=[],this.isUsed=!1,this.value=e}}class S{constructor(){this.nodes=new Map,this.usedVariables=new Set,this.safelist=[]}addVariable(e){const{prop:t}=e;if(!this.nodes.has(t)){const s=new y(e);this.nodes.set(t,s)}}addVariableUsage(e,t){const{prop:s}=e,r=this.nodes.get(s);for(const e of t){const t=e[1];if(this.nodes.has(t)){const e=this.nodes.get(t);null==r||r.nodes.push(e)}}}addVariableUsageInProperties(e){for(const t of e){const e=t[1];this.usedVariables.add(e)}}setAsUsed(e){const t=[this.nodes.get(e)];for(;0!==t.length;){const e=t.pop();e&&!e.isUsed&&(e.isUsed=!0,t.push(...e.nodes))}}removeUnused(){for(const e of this.usedVariables){const t=this.nodes.get(e);if(t){v(t.value.value,/var\((.+?)[,)]/g).forEach((e=>{this.usedVariables.has(e[1])||this.usedVariables.add(e[1])}))}}for(const e of this.usedVariables)this.setAsUsed(e);for(const[e,t]of this.nodes)t.isUsed||this.isVariablesSafelisted(e)||t.value.remove()}isVariablesSafelisted(e){return this.safelist.some((t=>"string"==typeof t?t===e:t.test(e)))}}const b={access:n.promisify(c.access),readFile:n.promisify(c.readFile)};function w(e=[]){return Array.isArray(e)?{...g.safelist,standard:e}:{...g.safelist,...e}}async function x(e="purgecss.config.js"){let t;try{const s=l.default.resolve(process.cwd(),e);t=await function(e){return Promise.resolve().then((function(){return o(require(e))}))}(s)}catch(e){throw new Error(`Error loading the config file ${e.message}`)}return{...g,...t,safelist:w(t.safelist)}}async function F(e,t){return new p(await t(e))}function V(e,t){switch(t){case"next":return e.text.includes("purgecss ignore");case"start":return e.text.includes("purgecss start ignore");case"end":return e.text.includes("purgecss end ignore")}}function k(e){return!!(N(e)&&!e.selector||(null==e?void 0:e.nodes)&&!e.nodes.length||E(e)&&(!e.nodes&&!e.params||!e.params&&e.nodes&&!e.nodes.length))}function A(...e){const t=new p([]);return e.forEach(t.merge,t),t}function j(e){return e.replace(/(^["'])|(["']$)/g,"")}function U(e,t){if(!t.hasAttrName(e.attribute))return!1;if(void 0===e.value)return!0;switch(e.operator){case"$=":return t.hasAttrSuffix(e.value);case"~=":case"*=":return t.hasAttrSubstr(e.value);case"=":return t.hasAttrValue(e.value);case"|=":case"^=":return t.hasAttrPrefix(e.value);default:return!0}}function C(e,t){return t.hasId(e.value)}function R(e,t){return t.hasTag(e.value)}function E(e){return"atrule"===(null==e?void 0:e.type)}function N(e){return"rule"===(null==e?void 0:e.type)}class P{constructor(){this.ignore=!1,this.atRules={fontFace:[],keyframes:[]},this.usedAnimations=new Set,this.usedFontFaces=new Set,this.selectorsRemoved=new Set,this.removedNodes=[],this.variablesStructure=new S,this.options=g}collectDeclarationsData(e){const{prop:t,value:s}=e;if(this.options.variables){const r=v(s,/var\((.+?)[,)]/g);t.startsWith("--")?(this.variablesStructure.addVariable(e),r.length>0&&this.variablesStructure.addVariableUsage(e,r)):r.length>0&&this.variablesStructure.addVariableUsageInProperties(r)}if(!this.options.keyframes||"animation"!==t&&"animation-name"!==t)if(this.options.fontFace){if("font-family"===t)for(const e of s.split(",")){const t=j(e.trim());this.usedFontFaces.add(t)}}else;else for(const e of s.split(/[\s,]+/))this.usedAnimations.add(e)}getFileExtractor(e,t){const s=t.find((t=>t.extensions.find((t=>e.endsWith(t)))));return void 0===s?this.options.defaultExtractor:s.extractor}async extractSelectorsFromFiles(e,t){const s=new p([]);for(const r of e){let e=[];try{await b.access(r,c.constants.F_OK),e.push(r)}catch(t){e=u.default.sync(r,{nodir:!0,ignore:this.options.skippedContentGlobs})}for(const r of e){const e=await b.readFile(r,"utf-8"),i=this.getFileExtractor(r,t),n=await F(e,i);s.merge(n)}}return s}async extractSelectorsFromString(e,t){const s=new p([]);for(const{raw:r,extension:i}of e){const e=this.getFileExtractor(`.${i}`,t),n=await F(r,e);s.merge(n)}return s}evaluateAtRule(e){if(this.options.keyframes&&e.name.endsWith("keyframes"))this.atRules.keyframes.push(e);else if(this.options.fontFace&&"font-face"===e.name&&e.nodes)for(const t of e.nodes)"decl"===t.type&&"font-family"===t.prop&&this.atRules.fontFace.push({name:j(t.value),node:e})}evaluateRule(e,t){if(this.ignore)return;const s=e.prev();if(function(e){return"comment"===(null==e?void 0:e.type)}(s)&&V(s,"next"))return void s.remove();if(e.parent&&E(e.parent)&&e.parent.name.endsWith("keyframes"))return;if(!N(e))return;if(function(e){let t=!1;return e.walkComments((e=>{e&&"comment"===e.type&&e.text.includes("purgecss ignore current")&&(t=!0,e.remove())})),t}(e))return;let r=!0;const i=e.selector;if(e.selector=h.default((e=>{e.walk((e=>{"selector"===e.type&&(r=this.shouldKeepSelector(e,t),r||(this.options.rejected&&this.selectorsRemoved.add(e.toString()),e.remove()))}))})).processSync(e.selector),r&&void 0!==e.nodes)for(const t of e.nodes)"decl"===t.type&&this.collectDeclarationsData(t);const n=e.parent;if(!e.selector&&(e.remove(),this.options.rejectedCss))if(e.selector=i,n&&k(n)){const t=n.clone();t.append(e),this.removedNodes.push(t)}else this.removedNodes.push(e);k(n)&&(null==n||n.remove())}async getPurgedCSS(e,t){const s=[],r=[];for(const t of e)"string"==typeof t?r.push(...u.default.sync(t,{nodir:!0,ignore:this.options.skippedContentGlobs})):r.push(t);for(const e of r){const r="string"==typeof e?this.options.stdin?e:await b.readFile(e,"utf-8"):e.raw,i=d.parse(r);this.walkThroughCSS(i,t),this.options.fontFace&&this.removeUnusedFontFaces(),this.options.keyframes&&this.removeUnusedKeyframes(),this.options.variables&&this.removeUnusedCSSVariables();const n={css:i.toString(),file:"string"==typeof e?e:e.name};this.options.rejected&&(n.rejected=Array.from(this.selectorsRemoved),this.selectorsRemoved.clear()),this.options.rejectedCss&&(n.rejectedCss=d.root({nodes:this.removedNodes}).toString()),s.push(n)}return s}isKeyframesSafelisted(e){return this.options.safelist.keyframes.some((t=>"string"==typeof t?t===e:t.test(e)))}isSelectorBlocklisted(e){return this.options.blocklist.some((t=>"string"==typeof t?t===e:t.test(e)))}isSelectorSafelisted(e){const t=this.options.safelist.standard.some((t=>"string"==typeof t?t===e:t.test(e)));return m.includes(e)||t}isSelectorSafelistedDeep(e){return this.options.safelist.deep.some((t=>t.test(e)))}isSelectorSafelistedGreedy(e){return this.options.safelist.greedy.some((t=>t.test(e)))}async purge(e){this.options="object"!=typeof e?await x(e):{...g,...e,safelist:w(e.safelist)};const{content:t,css:s,extractors:r,safelist:i}=this.options;this.options.variables&&(this.variablesStructure.safelist=i.variables||[]);const n=t.filter((e=>"string"==typeof e)),a=t.filter((e=>"object"==typeof e)),o=await this.extractSelectorsFromFiles(n,r),c=await this.extractSelectorsFromString(a,r);return this.getPurgedCSS(s,A(o,c))}removeUnusedCSSVariables(){this.variablesStructure.removeUnused()}removeUnusedFontFaces(){for(const{name:e,node:t}of this.atRules.fontFace)this.usedFontFaces.has(e)||t.remove()}removeUnusedKeyframes(){for(const e of this.atRules.keyframes)this.usedAnimations.has(e.params)||this.isKeyframesSafelisted(e.params)||e.remove()}getSelectorValue(e){return"attribute"===e.type&&e.attribute||e.value}shouldKeepSelector(e,t){if(function(e){return e.parent&&"pseudo"===e.parent.type&&e.parent.value.startsWith(":")||!1}(e))return!0;if(this.options.safelist.greedy.length>0){if(e.nodes.map(this.getSelectorValue).some((e=>e&&this.isSelectorSafelistedGreedy(e))))return!0}let s=!1;for(const i of e.nodes){const e=this.getSelectorValue(i);if(e&&this.isSelectorSafelistedDeep(e))return!0;if(e&&(m.includes(e)||this.isSelectorSafelisted(e)))s=!0;else{if(e&&this.isSelectorBlocklisted(e))return!1;switch(i.type){case"attribute":s=!![...this.options.dynamicAttributes,"value","checked","selected","open"].includes(i.attribute)||U(i,t);break;case"class":r=i,s=t.hasClass(r.value);break;case"id":s=C(i,t);break;case"tag":s=R(i,t);break;default:continue}if(!s)return!1}}var r;return s}walkThroughCSS(e,t){e.walk((e=>"rule"===e.type?this.evaluateRule(e,t):"atrule"===e.type?this.evaluateAtRule(e):void("comment"===e.type&&(V(e,"start")?(this.ignore=!0,e.remove()):V(e,"end")&&(this.ignore=!1,e.remove())))))}}exports.PurgeCSS=P,exports.default=P,exports.defaultOptions=g,exports.mergeExtractorSelectors=A,exports.setOptions=x,exports.standardizeSafelist=w;
+"use strict";Object.defineProperty(exports,"__esModule",{value:!0});var e=require("fs"),t=require("glob"),s=require("path"),r=require("postcss"),i=require("postcss-selector-parser"),n=require("util");function o(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}function a(e){if(e&&e.__esModule)return e;var t=Object.create(null);return e&&Object.keys(e).forEach((function(s){if("default"!==s){var r=Object.getOwnPropertyDescriptor(e,s);Object.defineProperty(t,s,r.get?r:{enumerable:!0,get:function(){return e[s]}})}})),t.default=e,Object.freeze(t)}var c=a(e),u=o(t),l=o(s),d=a(r),h=o(i);function f(e,t){t&&t.forEach(e.add,e)}class p{constructor(e){this.undetermined=new Set,this.attrNames=new Set,this.attrValues=new Set,this.classes=new Set,this.ids=new Set,this.tags=new Set,this.merge(e)}merge(e){return Array.isArray(e)?f(this.undetermined,e):e instanceof p?(f(this.undetermined,e.undetermined),f(this.attrNames,e.attrNames),f(this.attrValues,e.attrValues),f(this.classes,e.classes),f(this.ids,e.ids),f(this.tags,e.tags)):(f(this.undetermined,e.undetermined),e.attributes&&(f(this.attrNames,e.attributes.names),f(this.attrValues,e.attributes.values)),f(this.classes,e.classes),f(this.ids,e.ids),f(this.tags,e.tags)),this}hasAttrName(e){return this.attrNames.has(e)||this.undetermined.has(e)}someAttrValue(e){for(const t of this.attrValues)if(e(t))return!0;for(const t of this.undetermined)if(e(t))return!0;return!1}hasAttrPrefix(e){return this.someAttrValue((t=>t.startsWith(e)))}hasAttrSuffix(e){return this.someAttrValue((t=>t.endsWith(e)))}hasAttrSubstr(e){return e.trim().split(" ").every((e=>this.someAttrValue((t=>t.includes(e)))))}hasAttrValue(e){return this.attrValues.has(e)||this.undetermined.has(e)}hasClass(e){return this.classes.has(e)||this.undetermined.has(e)}hasId(e){return this.ids.has(e)||this.undetermined.has(e)}hasTag(e){return this.tags.has(e)||this.undetermined.has(e)}}const m=["*","::-webkit-scrollbar","::selection",":root","::before","::after"],g={css:[],content:[],defaultExtractor:e=>e.match(/[A-Za-z0-9_-]+/g)||[],extractors:[],fontFace:!1,keyframes:!1,rejected:!1,rejectedCss:!1,stdin:!1,stdout:!1,variables:!1,safelist:{standard:[],deep:[],greedy:[],variables:[],keyframes:[]},blocklist:[],skippedContentGlobs:[],dynamicAttributes:[]};function v(e,t){const s=[];return e.replace(t,(function(){const t=arguments,r=Array.prototype.slice.call(t,0,-2);return r.input=t[t.length-1],r.index=t[t.length-2],s.push(r),e})),s}class y{constructor(e){this.nodes=[],this.isUsed=!1,this.value=e}}class S{constructor(){this.nodes=new Map,this.usedVariables=new Set,this.safelist=[]}addVariable(e){const{prop:t}=e;if(!this.nodes.has(t)){const s=new y(e);this.nodes.set(t,s)}}addVariableUsage(e,t){const{prop:s}=e,r=this.nodes.get(s);for(const e of t){const t=e[1];if(this.nodes.has(t)){const e=this.nodes.get(t);null==r||r.nodes.push(e)}}}addVariableUsageInProperties(e){for(const t of e){const e=t[1];this.usedVariables.add(e)}}setAsUsed(e){const t=[this.nodes.get(e)];for(;0!==t.length;){const e=t.pop();e&&!e.isUsed&&(e.isUsed=!0,t.push(...e.nodes))}}removeUnused(){for(const e of this.usedVariables){const t=this.nodes.get(e);if(t){v(t.value.value,/var\((.+?)[,)]/g).forEach((e=>{this.usedVariables.has(e[1])||this.usedVariables.add(e[1])}))}}for(const e of this.usedVariables)this.setAsUsed(e);for(const[e,t]of this.nodes)t.isUsed||this.isVariablesSafelisted(e)||t.value.remove()}isVariablesSafelisted(e){return this.safelist.some((t=>"string"==typeof t?t===e:t.test(e)))}}const b={access:n.promisify(c.access),readFile:n.promisify(c.readFile)};function w(e=[]){return Array.isArray(e)?{...g.safelist,standard:e}:{...g.safelist,...e}}async function x(e="purgecss.config.js"){let t;try{const s=l.default.resolve(process.cwd(),e);t=await function(e){return Promise.resolve().then((function(){return a(require(e))}))}(s)}catch(e){throw new Error(`Error loading the config file ${e.message}`)}return{...g,...t,safelist:w(t.safelist)}}async function A(e,t){return new p(await t(e))}function F(e,t){switch(t){case"next":return e.text.includes("purgecss ignore");case"start":return e.text.includes("purgecss start ignore");case"end":return e.text.includes("purgecss end ignore")}}function V(...e){const t=new p([]);return e.forEach(t.merge,t),t}function k(e){return e.replace(/(^["'])|(["']$)/g,"")}function j(e,t){if(!t.hasAttrName(e.attribute))return!1;if(void 0===e.value)return!0;switch(e.operator){case"$=":return t.hasAttrSuffix(e.value);case"~=":case"*=":return t.hasAttrSubstr(e.value);case"=":return t.hasAttrValue(e.value);case"|=":case"^=":return t.hasAttrPrefix(e.value);default:return!0}}function C(e,t){return t.hasId(e.value)}function U(e,t){return t.hasTag(e.value)}function R(e){return"atrule"===(null==e?void 0:e.type)}function E(e){return"rule"===(null==e?void 0:e.type)}class P{constructor(){this.ignore=!1,this.atRules={fontFace:[],keyframes:[]},this.usedAnimations=new Set,this.usedFontFaces=new Set,this.selectorsRemoved=new Set,this.removedNodes=[],this.variablesStructure=new S,this.options=g}collectDeclarationsData(e){const{prop:t,value:s}=e;if(this.options.variables){const r=v(s,/var\((.+?)[,)]/g);t.startsWith("--")?(this.variablesStructure.addVariable(e),r.length>0&&this.variablesStructure.addVariableUsage(e,r)):r.length>0&&this.variablesStructure.addVariableUsageInProperties(r)}if(!this.options.keyframes||"animation"!==t&&"animation-name"!==t)if(this.options.fontFace){if("font-family"===t)for(const e of s.split(",")){const t=k(e.trim());this.usedFontFaces.add(t)}}else;else for(const e of s.split(/[\s,]+/))this.usedAnimations.add(e)}getFileExtractor(e,t){const s=t.find((t=>t.extensions.find((t=>e.endsWith(t)))));return void 0===s?this.options.defaultExtractor:s.extractor}async extractSelectorsFromFiles(e,t){const s=new p([]);for(const r of e){let e=[];try{await b.access(r,c.constants.F_OK),e.push(r)}catch(t){e=u.default.sync(r,{nodir:!0,ignore:this.options.skippedContentGlobs})}for(const r of e){const e=await b.readFile(r,"utf-8"),i=this.getFileExtractor(r,t),n=await A(e,i);s.merge(n)}}return s}async extractSelectorsFromString(e,t){const s=new p([]);for(const{raw:r,extension:i}of e){const e=this.getFileExtractor(`.${i}`,t),n=await A(r,e);s.merge(n)}return s}evaluateAtRule(e){if(this.options.keyframes&&e.name.endsWith("keyframes"))this.atRules.keyframes.push(e);else if(this.options.fontFace&&"font-face"===e.name&&e.nodes)for(const t of e.nodes)"decl"===t.type&&"font-family"===t.prop&&this.atRules.fontFace.push({name:k(t.value),node:e})}evaluateRule(e,t){if(this.ignore)return;const s=e.prev();if(function(e){return"comment"===(null==e?void 0:e.type)}(s)&&F(s,"next"))return void s.remove();if(e.parent&&R(e.parent)&&e.parent.name.endsWith("keyframes"))return;if(!E(e))return;if(function(e){let t=!1;return e.walkComments((e=>{e&&"comment"===e.type&&e.text.includes("purgecss ignore current")&&(t=!0,e.remove())})),t}(e))return;let r=!0;const i=[];if(e.selector=h.default((e=>{e.walk((e=>{"selector"===e.type&&(r=this.shouldKeepSelector(e,t),r||(this.options.rejected&&this.selectorsRemoved.add(e.toString()),this.options.rejectedCss&&i.push(e.toString()),e.remove()))}))})).processSync(e.selector),r&&void 0!==e.nodes)for(const t of e.nodes)"decl"===t.type&&this.collectDeclarationsData(t);const n=e.parent;if(e.selector||e.remove(),function(e){return!!(E(e)&&!e.selector||(null==e?void 0:e.nodes)&&!e.nodes.length||R(e)&&(!e.nodes&&!e.params||!e.params&&e.nodes&&!e.nodes.length))}(n)&&(null==n||n.remove()),this.options.rejectedCss&&i.length>0){const t=e.clone(),s=null==n?void 0:n.clone().removeAll().append(t);t.selectors=i;const r=s||t;this.removedNodes.push(r)}}async getPurgedCSS(e,t){const s=[],r=[];for(const t of e)"string"==typeof t?r.push(...u.default.sync(t,{nodir:!0,ignore:this.options.skippedContentGlobs})):r.push(t);for(const e of r){const r="string"==typeof e?this.options.stdin?e:await b.readFile(e,"utf-8"):e.raw,i=d.parse(r);this.walkThroughCSS(i,t),this.options.fontFace&&this.removeUnusedFontFaces(),this.options.keyframes&&this.removeUnusedKeyframes(),this.options.variables&&this.removeUnusedCSSVariables();const n={css:i.toString(),file:"string"==typeof e?e:e.name};this.options.rejected&&(n.rejected=Array.from(this.selectorsRemoved),this.selectorsRemoved.clear()),this.options.rejectedCss&&(n.rejectedCss=d.root({nodes:this.removedNodes}).toString()),s.push(n)}return s}isKeyframesSafelisted(e){return this.options.safelist.keyframes.some((t=>"string"==typeof t?t===e:t.test(e)))}isSelectorBlocklisted(e){return this.options.blocklist.some((t=>"string"==typeof t?t===e:t.test(e)))}isSelectorSafelisted(e){const t=this.options.safelist.standard.some((t=>"string"==typeof t?t===e:t.test(e)));return m.includes(e)||t}isSelectorSafelistedDeep(e){return this.options.safelist.deep.some((t=>t.test(e)))}isSelectorSafelistedGreedy(e){return this.options.safelist.greedy.some((t=>t.test(e)))}async purge(e){this.options="object"!=typeof e?await x(e):{...g,...e,safelist:w(e.safelist)};const{content:t,css:s,extractors:r,safelist:i}=this.options;this.options.variables&&(this.variablesStructure.safelist=i.variables||[]);const n=t.filter((e=>"string"==typeof e)),o=t.filter((e=>"object"==typeof e)),a=await this.extractSelectorsFromFiles(n,r),c=await this.extractSelectorsFromString(o,r);return this.getPurgedCSS(s,V(a,c))}removeUnusedCSSVariables(){this.variablesStructure.removeUnused()}removeUnusedFontFaces(){for(const{name:e,node:t}of this.atRules.fontFace)this.usedFontFaces.has(e)||t.remove()}removeUnusedKeyframes(){for(const e of this.atRules.keyframes)this.usedAnimations.has(e.params)||this.isKeyframesSafelisted(e.params)||e.remove()}getSelectorValue(e){return"attribute"===e.type&&e.attribute||e.value}shouldKeepSelector(e,t){if(function(e){return e.parent&&"pseudo"===e.parent.type&&e.parent.value.startsWith(":")||!1}(e))return!0;if(this.options.safelist.greedy.length>0){if(e.nodes.map(this.getSelectorValue).some((e=>e&&this.isSelectorSafelistedGreedy(e))))return!0}let s=!1;for(const i of e.nodes){const e=this.getSelectorValue(i);if(e&&this.isSelectorSafelistedDeep(e))return!0;if(e&&(m.includes(e)||this.isSelectorSafelisted(e)))s=!0;else{if(e&&this.isSelectorBlocklisted(e))return!1;switch(i.type){case"attribute":s=!![...this.options.dynamicAttributes,"value","checked","selected","open"].includes(i.attribute)||j(i,t);break;case"class":r=i,s=t.hasClass(r.value);break;case"id":s=C(i,t);break;case"tag":s=U(i,t);break;default:continue}if(!s)return!1}}var r;return s}walkThroughCSS(e,t){e.walk((e=>"rule"===e.type?this.evaluateRule(e,t):"atrule"===e.type?this.evaluateAtRule(e):void("comment"===e.type&&(F(e,"start")?(this.ignore=!0,e.remove()):F(e,"end")&&(this.ignore=!1,e.remove())))))}}exports.PurgeCSS=P,exports.default=P,exports.defaultOptions=g,exports.mergeExtractorSelectors=V,exports.setOptions=x,exports.standardizeSafelist=w;

package.json

 {
   "name": "purgecss",
-  "version": "4.1.0",
+  "version": "4.1.1",
   "description": "Remove unused css selectors",
@@ -56,3 +56,4 @@ "author": "Ffloriel",
     "registry": "https://registry.npmjs.org/"
-  }
+  },
+  "gitHead": "e87bc559054526ab99db05de8a455bdfc0858101"
 }

No alert changes

Improved metrics

Total package byte prevSize

58620

increased by2.25%

Number of package files

9

increased by12.5%

No dependency changes