Function createTransformHook

cli/compose/loader/loader.go:322–357

(additionalTransformers ...Transformer)

}

func createTransformHook(additionalTransformers ...Transformer) mapstructure.DecodeHookFuncType {
	transforms := map[reflect.Type]func(any) (any, error){
		reflect.TypeFor[types.External]():                         transformExternal,
		reflect.TypeFor[types.HealthCheckTest]():                  transformHealthCheckTest,
		reflect.TypeFor[types.ShellCommand]():                     transformShellCommand,
		reflect.TypeFor[types.StringList]():                       transformStringList,
		reflect.TypeFor[map[string]string]():                      transformMapStringString,
		reflect.TypeFor[types.UlimitsConfig]():                    transformUlimits,
		reflect.TypeFor[types.UnitBytes]():                        transformSize,
		reflect.TypeFor[[]types.ServicePortConfig]():              transformServicePort,
		reflect.TypeFor[types.ServiceSecretConfig]():              transformStringSourceMap,
		reflect.TypeFor[types.ServiceConfigObjConfig]():           transformStringSourceMap,
		reflect.TypeFor[types.StringOrNumberList]():               transformStringOrNumberList,
		reflect.TypeFor[map[string]*types.ServiceNetworkConfig](): transformServiceNetworkMap,
		reflect.TypeFor[types.Mapping]():                          transformMappingOrListFunc("=", false),
		reflect.TypeFor[types.MappingWithEquals]():                transformMappingOrListFunc("=", true),
		reflect.TypeFor[types.Labels]():                           transformMappingOrListFunc("=", false),
		reflect.TypeFor[types.MappingWithColon]():                 transformMappingOrListFunc(":", false),
		reflect.TypeFor[types.HostsList]():                        transformHostsList,
		reflect.TypeFor[types.ServiceVolumeConfig]():              transformServiceVolumeConfig,
		reflect.TypeFor[types.BuildConfig]():                      transformBuildConfig,
		reflect.TypeFor[types.Duration]():                         transformStringToDuration,
	}

	for _, transformer := range additionalTransformers {
		transforms[transformer.TypeOf] = transformer.Func
	}

	return func(_ reflect.Type, target reflect.Type, data any) (any, error) {
		transform, ok := transforms[target]
		if !ok {
			return data, nil
		}
		return transform(data)
	}
}

// keys needs to be converted to strings for jsonschema
func convertToStringKeysRecursive(value any, keyPrefix string) (any, error) {