string-strip-html/dist/string-strip-html.esm.js

Strip HTML tags from strings. No parser, accepts mixed sources.

/**
 * @name string-strip-html
 * @fileoverview Strip HTML tags from strings. No parser, accepts mixed sources.
 * @version 13.4.13
 * @author Roy Revelt, Codsen Ltd
 * @license MIT
 * {@link https://codsen.com/os/string-strip-html/}
 */

import{isPlainObject as se,hasOwnProp as me}from"codsen-utils";import{trim as oe,without as ce}from"lodash-es";import{decode as ie}from"html-entities";import{rApply as be}from"ranges-apply";import{Ranges as pe}from"ranges-push";import{right as T}from"string-left-right";function ee(t){return/[-_A-Za-z0-9]/.test(t)}function G(t,m){if(!t)return[];if(Array.isArray(t))return t.filter(y=>typeof y=="string"&&y.trim());if(typeof t=="string")return t.trim()?[t]:[];throw new TypeError(`string-strip-html/stripHtml(): [THROW_ID_05] ${m} must be array containing zero or more strings or something falsey. Currently it's equal to: ${t}, that a type of ${typeof t}.`)}function j(t,m,y,c){for(let f=m,b=t.length;f<b;f++){if(t.startsWith(y,f))return!0;if(t.startsWith(c,f))return!1}return!1}function Y(t,m,y){let c=!t?.quotes,f=!!t?.quotes?.value&&!j(m,y+1,t.quotes.value,">"),b=t?.quotes?.next!==-1,$=!j(m,t?.quotes?.next-1,t?.quotes?.value,">");return!t?.quotes||!j(m,y+1,t.quotes.value,">")&&t?.quotes?.next!==-1&&j(m,t?.quotes?.next-1,t?.quotes?.value,">")}function ne(t,m){return(m.match(new RegExp(t,"g"))||[]).length}var P=new Set(["!doctype","abbr","address","area","article","aside","audio","base","bdi","bdo","blockquote","body","br","button","canvas","caption","cite","code","col","colgroup","data","datalist","dd","del","details","dfn","dialog","div","dl","doctype","dt","em","embed","fieldset","figcaption","figure","footer","form","h1","h2","h3","h4","h5","h6","head","header","hgroup","hr","html","iframe","img","input","ins","kbd","keygen","label","legend","li","link","main","map","mark","math","menu","menuitem","meta","meter","nav","noscript","object","ol","optgroup","option","output","param","picture","pre","progress","rb","rp","rt","rtc","ruby","samp","script","section","select","slot","small","source","span","strong","style","sub","summary","sup","svg","table","tbody","td","template","textarea","tfoot","th","thead","time","title","tr","track","ul","var","video","wbr","xml"]),x=new Set(["a","b","i","p","q","s","u"]),q=new Set([".",",",";","!","?"]),Q=new Set([".",",","?",";",")","\u2026",'"',"\xBB"]),te=new Set(["a","abbr","acronym","audio","b","bdi","bdo","big","button","canvas","cite","code","data","datalist","del","dfn","em","embed","i","iframe","input","ins","kbd","label","map","mark","meter","noscript","object","output","picture","progress","q","ruby","s","samp","select","slot","small","span","strong","sub","sup","svg","template","textarea","time","u","tt","var","video","wbr"]);var le="13.4.13";var Ne=le,ae={ignoreTags:[],ignoreTagsWithTheirContents:[],onlyStripTags:[],stripTogetherWithTheirContents:["script","style","xml"],skipHtmlDecoding:!1,trimOnlySpaces:!1,stripRecognisedHTMLOnly:!1,dumpLinkHrefsNearby:{enabled:!1,putOnNewLine:!1,wrapHeads:"",wrapTails:""},ignoreIndentations:!1,cb:null,reportProgressFunc:null,reportProgressFuncFrom:0,reportProgressFuncTo:100};function fe(t,m){let y=Date.now(),c=[],f=[],b=[],$=[],n={};function re(){n={attributes:[]}}re();let V=null,w=null,N=null,J=!1,o={},d={tagName:"",hrefValue:"",openingTagEnds:void 0},E="",C=!1,B=null,F=!0;function v(e,s,a){if(Array.isArray(s.stripTogetherWithTheirContents)&&(s.stripTogetherWithTheirContents.includes(n.name)||s.stripTogetherWithTheirContents.includes("*")))if(n.slashPresent&&Array.isArray(c)&&c.some(i=>i.name===n.name)){for(let i=c.length;i--;)if(c[i].name===n.name){$=$.filter(([u,p])=>(u<c[i].lastOpeningBracketAt||u>=e+1)&&(p<=c[i].lastOpeningBracketAt||p>e+1));let g=e+1;n.lastClosingBracketAt&&(g=n.lastClosingBracketAt+1),$.push([c[i].lastOpeningBracketAt,g]),Q.has(t[e])&&s.cb?s.cb({tag:n,deleteFrom:c[i].lastOpeningBracketAt,deleteTo:e+1,insert:null,rangesArr:a,proposedReturn:[c[i].lastOpeningBracketAt,e,null]}):s.cb&&s.cb({tag:n,deleteFrom:c[i].lastOpeningBracketAt,deleteTo:e,insert:"",rangesArr:a,proposedReturn:[c[i].lastOpeningBracketAt,e,""]}),c.splice(i,1);break}}else n.slashPresent||c.push(n);else Array.isArray(s.ignoreTagsWithTheirContents)&&M(e,s,n)&&(F=!1)}function L(e,s,a,i,g,u){if(Array.isArray(r.current())&&typeof a=="number"&&r.current()[0][0]===0&&r.current()[0][1]>=a)return"";if(t.length===i&&u&&!l?.dumpLinkHrefsNearby?.enabled)return null;let p="";if(Number.isInteger(a)&&a<g&&(p+=e.slice(a,g)),Number.isInteger(i)&&i>u+1){let D=e.slice(u+1,i);i&&!T(t,i-1)&&(D=D.trimEnd()),D.includes(`
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`:`


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`?`
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`)?p+=W-e:(!W||W>e)&&p++}l.cb({tag:n,deleteFrom:n.leftOuterWhitespace,deleteTo:s+p,insert:u,rangesArr:r,proposedReturn:[n.leftOuterWhitespace,s+p,u]}),_(),v(e,l,r)}else n={};A(e)||(n={})}k&&(k=!1)}if((!R||t[e]==="<"&&T(t,T(t,e))&&t[T(t,e)]==="/"&&t.startsWith("script",T(t,T(t,e))))&&S(e)&&!S(e-1)&&!`'"`.includes(t[e+1])&&(!`'"`.includes(t[e+2])||/\w/.test(t[e+1]))&&!(t[e+1]==="c"&&t[e+2]===":")&&!(t[e+1]==="f"&&t[e+2]==="m"&&t[e+3]==="t"&&t[e+4]===":")&&!(t[e+1]==="s"&&t[e+2]==="q"&&t[e+3]==="l"&&t[e+4]===":")&&!(t[e+1]==="x"&&t[e+2]===":")&&!(t[e+1]==="f"&&t[e+2]==="n"&&t[e+3]===":")&&Y(n,t,e)){if(A(T(t,e)))continue;if(n.nameEnds&&n.nameEnds<e&&!n.lastClosingBracketAt&&(n.onlyPlausible===!0&&n.attributes?.length||n.onlyPlausible===!1)){let s=L(t,e,n.leftOuterWhitespace,e,n.lastOpeningBracketAt,e);l.cb({tag:n,deleteFrom:n.leftOuterWhitespace,deleteTo:e,insert:s,rangesArr:r,proposedReturn:[n.leftOuterWhitespace,e,s]}),v(e,l,r),n={},o={}}if(n.lastOpeningBracketAt!==void 0&&n.onlyPlausible&&n.name&&!n.quotes&&(n.lastOpeningBracketAt=void 0,n.name=void 0,n.onlyPlausible=!1),(n.lastOpeningBracketAt===void 0||!n.onlyPlausible)&&!n.quotes&&(n.lastOpeningBracketAt=e,n.slashPresent=!1,n.attributes=[],V===null?n.leftOuterWhitespace=e:l.trimOnlySpaces&&V===0?n.leftOuterWhitespace=w||e:n.leftOuterWhitespace=V,`${t[e+1]}${t[e+2]}${t[e+3]}`=="!--"||`${t[e+1]}${t[e+2]}${t[e+3]}${t[e+4]}${t[e+5]}${t[e+6]}${t[e+7]}${t[e+8]}`=="![CDATA[")){let s=!0;t[e+2]==="-"&&(s=!1);let a;for(let i=e;i<h;i++)if((!a&&s&&`${t[i-2]}${t[i-1]}${t[i]}`=="]]>"||!s&&`${t[i-2]}${t[i-1]}${t[i]}`=="-->")&&(a=i),a&&(a<i&&t[i].trim()||t[i+1]===void 0)){let g=i;(t[i+1]===void 0&&!t[i].trim()||t[i]===">")&&(g+=1),(!b.length||b[b.length-1][0]!==n.lastOpeningBracketAt)&&b.push([n.lastOpeningBracketAt,a+1]),(!$.length||$[$.length-1][0]!==n.lastOpeningBracketAt)&&$.push([n.lastOpeningBracketAt,a+1]);let u=L(t,i,n.leftOuterWhitespace,g,n.lastOpeningBracketAt,a);l.cb({tag:n,deleteFrom:n.leftOuterWhitespace,deleteTo:g,insert:u,rangesArr:r,proposedReturn:[n.leftOuterWhitespace,g,u]}),e=i-1,t[i]===">"&&(e=i),n={},o={};break}}}!t[e].trim()||t[e].charCodeAt(0)===847?(V===null&&(V=e,n.lastOpeningBracketAt!==void 0&&n.lastOpeningBracketAt<e&&n.nameStarts&&n.nameStarts<n.lastOpeningBracketAt&&e===n.lastOpeningBracketAt+1&&!c.some(s=>s.name===n.name)&&(n.onlyPlausible=!0,n.name=void 0,n.nameStarts=void 0)),(t[e]===`
`||t[e]==="\r")&&(N=e,J&&(J=!1))):(V!==null&&(!n.quotes&&o.equalsAt>V-1&&o.nameEnds&&o.equalsAt>o.nameEnds&&t[e]!=='"'&&t[e]!=="'"&&(se(o)&&n.attributes.push(o),o={},n.equalsSpottedAt=void 0),V=null),J||(J=!0,F&&!R&&typeof N=="number"&&e&&N<e-1&&(t.slice(N+1,e).trim()?N=null:l.ignoreIndentations||r.push([N+1,e])))),t[e]===" "?w===null&&(w=e):w!==null&&(w=null),n.name==="script"&&(R=!n.slashPresent)}if(t&&!l.ignoreIndentations&&(l.trimOnlySpaces&&t[0]===" "||!l.trimOnlySpaces&&!t[0].trim()))for(let e=0;e<h;e++)if(l.trimOnlySpaces&&t[e]!==" "||!l.trimOnlySpaces&&t[e].trim()){r.push([0,e]);break}else t[e+1]||r.push([0,e+1]);if(t&&(l.trimOnlySpaces&&t[~-t.length]===" "||!l.trimOnlySpaces&&!t[~-t.length].trim())){for(let e=t.length;e--;)if(l.trimOnlySpaces&&t[e]!==" "||!l.trimOnlySpaces&&t[e].trim()){r.push([e+1,h]);break}}let O=r.current();if(!m?.cb&&O){if(O[0]&&!O[0][0]){let e=O[0][1];r.ranges[0]=[r.ranges[0][0],r.ranges[0][1]]}if(O[O.length-1]&&O[O.length-1][1]===t.length){let e=O[O.length-1][0];if(r.ranges){let s=r.ranges[r.ranges.length-1][0];t[s-1]&&(l.trimOnlySpaces&&t[s-1]===" "||!l.trimOnlySpaces&&!t[s-1].trim())&&(s-=1);let a=r.ranges[r.ranges.length-1][2];r.ranges[r.ranges.length-1]=[s,r.ranges[r.ranges.length-1][1]],a?.trim()&&r.ranges[r.ranges.length-1].push(a.trimEnd())}}}return{log:{timeTakenInMilliseconds:Date.now()-y},result:be(t,r.current()),ranges:r.current(),allTagLocations:b,filteredTagLocations:$}}export{ae as defaults,fe as stripHtml,Ne as version};