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package server
import (	"bytes")
// ensure the length of the returned `js` is not changed to avoid source map mapping issuefunc rewriteJS(task *BuildTask, js []byte) []byte {	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\";")			js = concatBytes(js, xhr)		}	case "iconv-lite":		if task.isDenoTarget() && semverLessThan(task.Pkg.Version, "0.5.0") {			old := "__Process$.versions.node"			new := "__Process$.versions.nope"			js = bytes.Replace(js, []byte(old), []byte(new), 1)		}	}	return js}