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package server
import (	"bytes"	"encoding/json"	"os"	"path"	"regexp")
var regReadTailwindPreflightCSS = regexp.MustCompile(`[a-zA-Z.]+\.readFileSync\(.+?/preflight\.css"\),\s*"utf-?8"\)`)
func (task *BuildTask) rewriteJS(js []byte) (ret []byte, dropSourceMap bool) {	switch task.Pkg.Name {	case "axios", "cross-fetch", "whatwg-fetch":		if task.isDenoTarget() {			xhr := []byte("\nimport \"https://deno.land/x/xhr@0.3.0/mod.ts\";")			return concatBytes(js, xhr), false		}
	case "tailwindcss":		preflightCSSFile := path.Join(task.wd, "node_modules", "tailwindcss/src/css/preflight.css")		if fileExists(preflightCSSFile) {			data, err := os.ReadFile(preflightCSSFile)			if err == nil {				str, _ := json.Marshal(string(data))				return regReadTailwindPreflightCSS.ReplaceAll(js, str), true // drop breaking source map			}		}
	case "iconv-lite":		if task.isDenoTarget() && semverLessThan(task.Pkg.Version, "0.5.0") {			old := "__Process$.versions.node"			new := "__Process$.versions.nope"			return bytes.Replace(js, []byte(old), []byte(new), 1), false		}	}	return nil, false}