Merge pull request grpc-ecosystem#19 from grpc-ecosystem/ylai/optional-styling-check

Add option enable_styling_check to toggle styling check, the option is false by default.

Author: lyonlai

data/file.go

@@ -26,6 +26,8 @@ type File struct {
 	TSFileName string
 	// PackageNonScalarType stores the type inside the same packages within the file, which will be used to figure out external dependencies inside the same package (different files)
 	PackageNonScalarType []Type
+	// EnableStylingCheck enables the styling check for the given file
+	EnableStylingCheck bool
 }
 
 // StableDependencies are dependencies in a stable order.

generator/generator.go

@@ -18,17 +18,34 @@ import (
 // TypeScriptGRPCGatewayGenerator is the protobuf generator for typescript
 type TypeScriptGRPCGatewayGenerator struct {
 	Registry *registry.Registry
+	// EnableStylingCheck enables both eslint and tsc check for the generated code
+	// This option will only turn on in integration test to ensure the readability in
+	// the generated code.
+	EnableStylingCheck bool
 }
 
+const (
+	// EnableStylingCheckOption is the option name for EnableStylingCheck
+	EnableStylingCheckOption = "enable_styling_check"
+)
+
 // New returns an initialised generator
 func New(paramsMap map[string]string) (*TypeScriptGRPCGatewayGenerator, error) {
 	registry, err := registry.NewRegistry(paramsMap)
 	if err != nil {
 		return nil, errors.Wrap(err, "error instantiating a new registry")
 	}
 
+	enableStylingCheck := false
+	enableStylingCheckVal, ok := paramsMap[EnableStylingCheckOption]
+	if ok {
+		// default to true if not disabled specifi
+		enableStylingCheck = enableStylingCheckVal == "true"
+	}
+
 	return &TypeScriptGRPCGatewayGenerator{
-		Registry: registry,
+		Registry:           registry,
+		EnableStylingCheck: enableStylingCheck,
 	}, nil
 }
 
@@ -46,6 +63,7 @@ func (t *TypeScriptGRPCGatewayGenerator) Generate(req *plugin.CodeGeneratorReque
 	needToGenerateFetchModule := false
 	// feed fileData into rendering process
 	for _, fileData := range filesData {
+		fileData.EnableStylingCheck = t.EnableStylingCheck
 		if !t.Registry.IsFileToGenerate(fileData.Name) {
 			log.Debugf("file %s is not the file to generate, skipping", fileData.Name)
 			continue
@@ -100,7 +118,7 @@ func (t *TypeScriptGRPCGatewayGenerator) generateFile(fileData *data.File, tmpl
 func (t *TypeScriptGRPCGatewayGenerator) generateFetchModule(tmpl *template.Template) (*plugin.CodeGeneratorResponse_File, error) {
 	w := bytes.NewBufferString("")
 	fileName := filepath.Join(t.Registry.FetchModuleDirectory, t.Registry.FetchModuleFilename)
-	err := tmpl.Execute(w, nil)
+	err := tmpl.Execute(w, &data.File{EnableStylingCheck: t.EnableStylingCheck})
 	if err != nil {
 		return nil, errors.Wrapf(err, "error generating fetch module at %s", fileName)
 	}

generator/template.go

@@ -66,6 +66,10 @@ export type {{.Name}} = {
 }
 {{end}}{{end}}
 
+{{- if not .EnableStylingCheck}}
+/* eslint-disable */
+// @ts-nocheck
+{{- end}}
 /*
 * This file is a generated Typescript file for GRPC Gateway, DO NOT MODIFY
 */
@@ -86,6 +90,10 @@ type OneOf<T> =
 `
 
 const fetchTmpl = `
+{{- if not .EnableStylingCheck}}
+/* eslint-disable */
+// @ts-nocheck
+{{- end}}
 /*
 * This file is a generated Typescript file for GRPC Gateway, DO NOT MODIFY
 */

integration_tests/scripts/gen-protos.sh

@@ -1,6 +1,7 @@
 #!/bin/bash
 USE_PROTO_NAMES=${1:-"false"}
+ENABLE_STYLING_CHECK=${2:-"false"}
 cd .. && go install && cd integration_tests && \
 	protoc -I .  -I ../.. \
-	--grpc-gateway-ts_out=logtostderr=true,use_proto_names=$USE_PROTO_NAMES,loglevel=debug:./ \
+	--grpc-gateway-ts_out=logtostderr=true,use_proto_names=$USE_PROTO_NAMES,enable_styling_check=$ENABLE_STYLING_CHECK,loglevel=debug:./ \
 	service.proto msg.proto empty.proto

integration_tests/scripts/source.sh

@@ -3,7 +3,7 @@
 function runTest {
   ORIG_NAME=${1:="false"}
   CONFIG_NAME=${2:="karma.conf.js"}
-  ./scripts/gen-protos.sh $ORIG_NAME
+  ./scripts/gen-protos.sh $ORIG_NAME true
   go run ./ -orig=$ORIG_NAME &
   pid=$!