"use strict";(globalThis.webpackChunk_jbrowse_web=globalThis.webpackChunk_jbrowse_web||[]).push([[1503],{61503:(e,t,r)=>{r.r(t),r.d(t,{default:()=>y});var n=r(46377),s=r(99834),a=r(66885),i=r(32598),o=r(99546),c=r(7706);const l=["seq_name","source","featureType","start","end","score","strand","frame","attributes"];function u(e){return null===e?null:String(e).replace(/%([0-9A-Fa-f]{2})/g,((e,t)=>String.fromCharCode(parseInt(t,16))))}function f(e,t){return String(t).replace(e,(e=>{let t=e.charCodeAt(0).toString(16).toUpperCase();return t.length<2&&(t=`0${t}`),`%${t}`}))}function h(e){return f(/[\n;\r\t=%&,\x00-\x1f\x7f-\xff]/g,e)}const d=["-",".","+"];function p(e,t){const r=null===e.attributes||void 0===e.attributes?".":function(e){const t=[];return Object.keys(e).forEach((r=>{const n=e[r];let s;s=n.hasOwnProperty("toString")?h(n.toString()):Array.isArray(n.values)?n.values.map(h).join(","):Array.isArray(n)?n.map(h).join(","):h(n),t.push(`${h(r)} ${s}`)})),t.length?t.join("; ").concat(";"):"."}(e.attributes),n=[];for(let t=0;t<8;t+=1){const r=e[l[t]];n[t]=6===t?null==r?".":d[r+1]||r:null==r?".":f(/[\n\r\t%\x00-\x1f\x7f-\xff]/g,String(r))}n[8]=r;const s=`${n.join("\t")}\n`;return t[s]?"":(t[s]=!0,s)}function m(e,t){if(Array.isArray(e))return e.map((e=>m(e,t))).join("");const r=[p(e,t)];return["child_features","derived_features"].forEach((n=>{e[n]&&r.push(...e[n].map((e=>m(e,t))))})),r.join("")}function _(e){return m(e,{})}const b={Parent:"child_features",Derives_from:"derived_features"};class v{constructor(e){const t=()=>{};Object.assign(this,{featureCallback:e.featureCallback||t,endCallback:e.endCallback||t,commentCallback:e.commentCallback||t,errorCallback:e.errorCallback||t,directiveCallback:e.directiveCallback||t,sequenceCallback:e.sequenceCallback||t,bufferSize:void 0===e.bufferSize?1e3:e.bufferSize,_underConstructionTopLevel:[],_underConstructionById:{},_completedReferences:{},_underConstructionOrphans:{},eof:!1,lineNumber:0})}addLine(e){if(this.eof)return;if(this.lineNumber+=1,/^\s*[^#\s>]/.test(e))return void this._bufferLine(e);const t=/^\s*(#+)(.*)/.exec(e);if(t){let[,r,n]=t;if(3===r.length)this._emitAllUnderConstructionFeatures();else if(2===r.length){const t=function(e){const t=/^\s*##\s*(\S+)\s*(.*)/.exec(e);if(!t)return null;const r=t[1];let n=t[2];const s={directive:r};if(n.length&&(n=n.replace(/\r?\n$/,""),s.value=n),"sequence-region"===r){const[e,t,r]=n.split(/\s+/,3);s.seq_id=e,s.start=t&&t.replace(/\D/g,""),s.end=r&&r.replace(/\D/g,"")}else if("genome-build"===r){const[e,t]=n.split(/\s+/,2);s.source=e,s.buildname=t}return s}(e);this._emitItem(t)}else n=n.replace(/\s*/,""),this._emitItem({comment:n})}else if(!/^\s*$/.test(e)){const t=e.replace(/\r?\n?$/g,"");throw new Error(`GTF parse error.  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e=this._underConstructionTopLevel.shift();this._emitItem(e),t(e)}}_emitAllUnderConstructionFeatures(){if(this._underConstructionTopLevel.forEach(this._emitItem.bind(this)),this._underConstructionTopLevel=[],this._underConstructionById={},this._completedReferences={},Object.values(this._underConstructionOrphans).filter((e=>Object.keys(e).length)).length)throw new Error(`some features reference other features that do not exist in the file (or in the same '###' scope). ${JSON.stringify(this._underConstructionOrphans)}`)}_bufferLine(e){const t=function(e){const t=e.split("\t").map((e=>"."===e?null:e));t[0]=u(t[0]),t[1]=u(t[1]),t[2]=u(t[2]),t[8]=function(e){if(!e||!e.length||"."===e)return{};const t={};return e.replace(/\r?\n$/,"").slice(0,-1).split(";").forEach((e=>{if(!e)return;const r=e.trim().split(" ");if(!r[1]||!r[1].length)return;r[0]=r[0].trim();let n=t[r[0].trim()];n||(n=[],t[r[0]]=n),n.push(...r[1].split(",").map((e=>e.trim())).map(u))})),t}(t[8]);const r={};for(let 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