From 6ef21326609cd1562709477b683726a8f2e0a2eb Mon Sep 17 00:00:00 2001
From: Pine Wu <octref@gmail.com>
Date: Mon, 4 Jun 2018 11:00:52 -0700
Subject: [PATCH] Correct inform TS language service of updated js/ts docs. Fix
 #355

---
 client/vueMain.ts                      |  4 ++--
 server/src/modes/languageModes.ts      |  1 +
 server/src/modes/script/javascript.ts  |  3 +++
 server/src/modes/script/serviceHost.ts | 13 ++++++++-----
 server/src/services/vls.ts             | 12 +++++++++++-
 tslint.json                            |  1 -
 6 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/client/vueMain.ts b/client/vueMain.ts
index 9191364932..181e8910ec 100644
--- a/client/vueMain.ts
+++ b/client/vueMain.ts
@@ -74,8 +74,8 @@ export function activate(context: ExtensionContext) {
   const clientOptions: LanguageClientOptions = {
     documentSelector,
     synchronize: {
-      // the settings to synchronize
-      configurationSection: ['vetur', 'emmet', 'html', 'javascript', 'typescript', 'prettier', 'stylusSupremacy']
+      configurationSection: ['vetur', 'emmet', 'html', 'javascript', 'typescript', 'prettier', 'stylusSupremacy'],
+      fileEvents: vscode.workspace.createFileSystemWatcher('{**/*.js,**/*.ts}', true, false, true)
     },
     initializationOptions: {
       config
diff --git a/server/src/modes/languageModes.ts b/server/src/modes/languageModes.ts
index 47dd98b0dd..1cf4bfdcc8 100644
--- a/server/src/modes/languageModes.ts
+++ b/server/src/modes/languageModes.ts
@@ -45,6 +45,7 @@ export interface LanguageMode {
   findDocumentColors?(document: TextDocument): ColorInformation[];
   getColorPresentations?(document: TextDocument, color: Color, range: Range): ColorPresentation[];
 
+  onDocumentChanged?(filePath: string): void;
   onDocumentRemoved(document: TextDocument): void;
   dispose(): void;
 }
diff --git a/server/src/modes/script/javascript.ts b/server/src/modes/script/javascript.ts
index ff88edfe83..3c9ced004f 100644
--- a/server/src/modes/script/javascript.ts
+++ b/server/src/modes/script/javascript.ts
@@ -394,6 +394,9 @@ export function getJavascriptMode(
     onDocumentRemoved(document: TextDocument) {
       jsDocuments.onDocumentRemoved(document);
     },
+    onDocumentChanged(filePath: string) {
+      serviceHost.updateTypescriptDocument(filePath);
+    },
     dispose() {
       serviceHost.dispose();
       jsDocuments.dispose();
diff --git a/server/src/modes/script/serviceHost.ts b/server/src/modes/script/serviceHost.ts
index 602fb7fa03..085f40bedd 100644
--- a/server/src/modes/script/serviceHost.ts
+++ b/server/src/modes/script/serviceHost.ts
@@ -36,7 +36,7 @@ const vueSys: ts.System = {
 
 if (ts.sys.realpath) {
   const realpath = ts.sys.realpath;
-  vueSys.realpath = function (path) {
+  vueSys.realpath = function(path) {
     if (isVueProject(path)) {
       return realpath(path.slice(0, -3)) + '.ts';
     }
@@ -55,10 +55,7 @@ const defaultCompilerOptions: ts.CompilerOptions = {
   allowSyntheticDefaultImports: true
 };
 
-export function getServiceHost(
-  workspacePath: string,
-  jsDocuments: LanguageModelCache<TextDocument>
-) {
+export function getServiceHost(workspacePath: string, jsDocuments: LanguageModelCache<TextDocument>) {
   let currentScriptDoc: TextDocument;
   const versions = new Map<string, number>();
   const scriptDocs = new Map<string, TextDocument>();
@@ -98,6 +95,11 @@ export function getServiceHost(
     };
   }
 
+  function updateTypescriptDocument(filePath: string) {
+    const ver = versions.get(filePath) || 0;
+    versions.set(filePath, ver + 1);
+  }
+
   function getScriptDocByFsPath(fsPath: string) {
     return scriptDocs.get(fsPath);
   }
@@ -200,6 +202,7 @@ export function getServiceHost(
   let jsLanguageService = ts.createLanguageService(host);
   return {
     updateCurrentTextDocument,
+    updateTypescriptDocument,
     getScriptDocByFsPath,
     dispose: () => {
       jsLanguageService.dispose();
diff --git a/server/src/services/vls.ts b/server/src/services/vls.ts
index 5c07ae9d3b..2ed87f3215 100644
--- a/server/src/services/vls.ts
+++ b/server/src/services/vls.ts
@@ -29,7 +29,8 @@ import {
   TextDocumentPositionParams,
   DocumentLinkParams,
   DocumentFormattingParams,
-  DidChangeConfigurationParams
+  DidChangeConfigurationParams,
+  FileChangeType
 } from 'vscode-languageserver';
 import Uri from 'vscode-uri';
 import * as path from 'path';
@@ -103,6 +104,15 @@ export class VLS {
     this.documentService.onDidClose(e => {
       this.removeDocument(e.document);
     });
+    this.lspConnection.onDidChangeWatchedFiles(({ changes }) => {
+      const jsMode = this.languageModes.getMode('javascript');
+      changes.forEach(c => {
+        if (c.type === FileChangeType.Changed) {
+          const fsPath = Uri.parse(c.uri).fsPath;
+          jsMode.onDocumentChanged!(fsPath);
+        }
+      });
+    });
   }
 
   configure(config: any): void {
diff --git a/tslint.json b/tslint.json
index bd048f44ea..d4a2b68e6f 100644
--- a/tslint.json
+++ b/tslint.json
@@ -20,7 +20,6 @@
     "quotemark": [true, "single", "avoid-escape"],
     "whitespace": true,
     "semicolon": [true, "always"],
-    "space-before-function-paren": [true, {"anonymous": "always", "named": "never"}],
     "triple-equals": true,
     "variable-name": [true, "ban-keywords", "check-format", "allow-leading-underscore"]
   },