Function jsonMarshalServiceSDL

core/federation.go:337–343

jsonMarshalServiceSDL produces the response payload Apollo expects: `{"_service":{"sdl":"..."}}`. The outer envelope is added by the engine's response wrapper.

(sdl string)

// `{"_service":{"sdl":"..."}}`. The outer envelope is added by the
// engine's response wrapper.
func jsonMarshalServiceSDL(sdl string) ([]byte, error) {
	var b strings.Builder
	b.WriteString(`{"_service":{"sdl":`)
	b.WriteString(strconv.Quote(sdl))
	b.WriteString(`}}`)
	return []byte(b.String()), nil
}

// bytesContainsToken reports whether `tok` appears as a standalone
// identifier in `s` (no alphanumeric or underscore on either side).