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import { readFileSync } from 'fs';import { pathToFileURL, fileURLToPath } from 'url';import 'source-map-support/register'
const baseURL = pathToFileURL(process.cwd() + '/').href;
export default (ignore, resolve, transformSource)=>{  const IGNORE = new Set('yaml mjs txt'.split(' '));  for(var i of ignore)IGNORE.add(i);  return {  resolve:function (url, context, defaultResolve) {    const {      parentURL = baseURL    } = context;        if (url.startsWith("~/")) {      var n = parentURL.slice(baseURL.length+4, parentURL.lastIndexOf("/")).split("/").length;      var li = [];      while(n--){        li.push('..');      }      li.push(url.slice(2));      url = li.join("/");    }
    var ext=url.slice(url.lastIndexOf('.')+1);        if (ext!="js"  && !IGNORE.has(ext) && url.startsWith(".")){      url = url+parentURL.slice(parentURL.lastIndexOf("."))    }        var r = resolve(url, parentURL);    if(r)return r; 
    return defaultResolve(url, context, defaultResolve);  },  getFormat:function (url, context, defaultGetFormat) {    var ext=url.slice(url.lastIndexOf('.')+1);    if (IGNORE.has(ext)) {      return {        format: 'module'      };    }
    return defaultGetFormat(url, context, defaultGetFormat);  },  transformSource: function (source, context, defaultTransformSource) {    const {      url,      format    } = context;
    if (url.endsWith('.txt')){      var s = JSON.stringify(readFileSync(fileURLToPath(url),"utf8").trimEnd());      return {        source:"export default "+ s      }    }    var r=transformSource(url, source);    if(r)return r;
    return defaultTransformSource(source, context, defaultTransformSource);  }  }}