Give an error when trying to create an interface file for a file containing @react.component.

See #235

Author: cristianoc

server/src/server.ts

@@ -434,11 +434,13 @@ function createInterface(msg: p.RequestMessage): m.Message {
   let filePath = fileURLToPath(params.uri);
   let bscNativePath = utils.findBscNativeOfFile(filePath);
   let projDir = utils.findProjectRootOfFile(filePath);
+  let code = getOpenedFileContent(params.uri);
+  let isReactComponent = code.includes("@react.component");
 
-  if (bscNativePath === null || projDir === null) {
+  if (isReactComponent) {
     let params: p.ShowMessageParams = {
       type: p.MessageType.Error,
-      message: `Cannot find a nearby bsc.exe to generate the interface file.`,
+      message: `Cannot create an interface for a file containing @react.component.`,
     };
 
     let response: m.NotificationMessage = {
@@ -448,73 +450,87 @@ function createInterface(msg: p.RequestMessage): m.Message {
     };
 
     return response;
-  } else if (extension !== c.resExt) {
-    let params: p.ShowMessageParams = {
-      type: p.MessageType.Error,
-      message: `Not a ${c.resExt} file. Cannot create an interface for it.`,
-    };
-
-    let response: m.NotificationMessage = {
-      jsonrpc: c.jsonrpcVersion,
-      method: "window/showMessage",
-      params: params,
-    };
+} else
+    if (bscNativePath === null || projDir === null) {
+      let params: p.ShowMessageParams = {
+        type: p.MessageType.Error,
+        message: `Cannot find a nearby bsc.exe to generate the interface file.`,
+      };
 
-    return response;
-  } else {
-    let cmiPartialPath = utils.replaceFileExtension(
-      filePath.split(projDir)[1],
-      c.cmiExt
-    );
-    let cmiPath = path.join(
-      projDir,
-      c.compilerDirPartialPath,
-      cmiPartialPath
-    );
-    let cmiAvailable = fs.existsSync(cmiPath);
+      let response: m.NotificationMessage = {
+        jsonrpc: c.jsonrpcVersion,
+        method: "window/showMessage",
+        params: params,
+      };
 
-    if (!cmiAvailable) {
+      return response;
+    } else if (extension !== c.resExt) {
       let params: p.ShowMessageParams = {
         type: p.MessageType.Error,
-        message: `No compiled interface file found. Please compile your project first.`,
+        message: `Not a ${c.resExt} file. Cannot create an interface for it.`,
       };
 
       let response: m.NotificationMessage = {
         jsonrpc: c.jsonrpcVersion,
         method: "window/showMessage",
-        params,
+        params: params,
       };
 
       return response;
     } else {
-      let intfResult = utils.createInterfaceFileUsingValidBscExePath(
-        filePath,
-        cmiPath,
-        bscNativePath
+      let cmiPartialPath = utils.replaceFileExtension(
+        filePath.split(projDir)[1],
+        c.cmiExt
       );
+      let cmiPath = path.join(
+        projDir,
+        c.compilerDirPartialPath,
+        cmiPartialPath
+      );
+      let cmiAvailable = fs.existsSync(cmiPath);
 
-      if (intfResult.kind === "success") {
-        let response: m.ResponseMessage = {
-          jsonrpc: c.jsonrpcVersion,
-          id: msg.id,
-          result: intfResult.result,
+      if (!cmiAvailable) {
+        let params: p.ShowMessageParams = {
+          type: p.MessageType.Error,
+          message: `No compiled interface file found. Please compile your project first.`,
         };
 
-        return response;
-      } else {
-        let response: m.ResponseMessage = {
+        let response: m.NotificationMessage = {
           jsonrpc: c.jsonrpcVersion,
-          id: msg.id,
-          error: {
-            code: m.ErrorCodes.InternalError,
-            message: "Unable to create interface file.",
-          },
+          method: "window/showMessage",
+          params,
         };
 
         return response;
+      } else {
+        let intfResult = utils.createInterfaceFileUsingValidBscExePath(
+          filePath,
+          cmiPath,
+          bscNativePath
+        );
+
+        if (intfResult.kind === "success") {
+          let response: m.ResponseMessage = {
+            jsonrpc: c.jsonrpcVersion,
+            id: msg.id,
+            result: intfResult.result,
+          };
+
+          return response;
+        } else {
+          let response: m.ResponseMessage = {
+            jsonrpc: c.jsonrpcVersion,
+            id: msg.id,
+            error: {
+              code: m.ErrorCodes.InternalError,
+              message: "Unable to create interface file.",
+            },
+          };
+
+          return response;
+        }
       }
     }
-  }
 }
 
 function onMessage(msg: m.Message) {