Function loadNodeRuntime

server/unenv.go:39–64

loadNodeRuntime loads the unenv node runtime from the embed filesystem.

()

// loadNodeRuntime loads the unenv node runtime from the embed filesystem.
func loadNodeRuntime() (err error) {
	data, err := embedFS.ReadFile("embed/node-runtime.tgz")
	if err == nil {
		tarball, err := gzip.NewReader(bytes.NewReader(data))
		if err == nil {
			defer tarball.Close()
			tr := tar.NewReader(tarball)
			for {
				header, err := tr.Next()
				if err != nil {
					break
				}
				if header.Typeflag == tar.TypeReg {
					name := header.Name
					data := make([]byte, header.Size)
					n, err := io.ReadFull(tr, data)
					if err == nil && int64(n) == header.Size {
						unenvNodeRuntimeMap[name] = data
					}
				}
			}
			return nil
		}
	}
	return buildUnenvNodeRuntime()
}

// slow path
func buildUnenvNodeRuntime() (err error) {