const github.com/evanw/esbuild/internal/js_parser.mergeKeepExisting

5 uses

	github.com/evanw/esbuild/internal/js_parser (current package)
		js_parser.go#L1220: 	mergeKeepExisting
		js_parser.go#L1252: 			return mergeKeepExisting
		js_parser.go#L1263: 		return mergeKeepExisting
		js_parser.go#L1284: 		return mergeKeepExisting
		js_parser.go#L1318: 		case mergeKeepExisting: