TypeScript Language Server Support

package.json

@@ -32,7 +32,7 @@
   ],
   "author": {
     "name": "Ron S.",
-    "url": "http://twitter.com/ron"
+    "url": "https://twitter.com/ron"
   },
   "license": "MIT",
   "repository": {

src/installer/lib/patcher.ts

@@ -27,9 +27,16 @@ const getHeader = () => `/// tsp: ${tspPackageJSON.version}\n\n`;
 /**
  * Generate insertion code for module-patch
  */
-const generatePatch = (isTSC: boolean) =>
-  jsPatchSrc +
-  `\nObject.assign(tsp, { isTSC: ${isTSC}, tspVersion: '${tspPackageJSON.version}' });\n\n`;
+const generatePatch = (isTSC: boolean, isTSServer: boolean, isTSServerLibrary: boolean) => {
+  // language=JavaScript
+  return jsPatchSrc + `\n
+Object.assign(tsp, {
+    isTSC: ${isTSC},
+    isTSServer: ${isTSServer},
+    isTSServerLibrary: ${isTSServerLibrary},
+    tspVersion: '${tspPackageJSON.version}'
+});\n\n`;
+};
 
 /**
  * Validate TSModule and TSPackage before patching
@@ -78,6 +85,13 @@ const patchModuleDiagnostics = (tsModule: TSModule, tsPackage: TSPackage, source
     restCode.substr(emitPos);
 }
 
+const locateFile = (filename: string, tsPackage: TSPackage): string => {
+  return [
+    path.join(tsPackage.packageDir, BACKUP_DIRNAME, filename),
+    path.join(tsPackage.libDir, filename)
+  ].filter(f => fs.existsSync(f))[0];
+}
+
 
 /* ********************************************************************************************************************
  * Patch
@@ -93,20 +107,17 @@ export function patchTSModule(tsModule: TSModule, tsPackage: TSPackage) {
 
   /* Install patch */
   const isTSC = (filename === 'tsc.js');
-  const patchSrc = generatePatch(isTSC);
+  const isTSServer = (filename === 'tsserver.js');
+  const isTSServerLibrary = (filename === 'tsserverlibrary.js');
+  const patchSrc = generatePatch(isTSC, isTSServer, isTSServerLibrary);
 
   /* Add diagnostic modification support */
   const moduleSrc = patchModuleDiagnostics(tsModule, tsPackage);
 
   try {
     if (isTSC) {
-      /* Select non-patched typescript.js */
-      const tsFile =
-        [
-          path.join(tsPackage.packageDir, BACKUP_DIRNAME, 'typescript.js'),
-          path.join(tsPackage.libDir, 'typescript.js')
-        ]
-          .filter(f => fs.existsSync(f))[0];
+      // Select non-patched typescript.js
+      const tsFile = locateFile('typescript.js', tsPackage);
 
       /* Get TSC-specific module slice */
       const ver = tsPackage.version.split('.')

src/patch/lib/createProgram.ts

@@ -86,7 +86,7 @@ namespace tsp {
 
     /* Get Config */
     const projectConfig = getProjectConfig(options, rootNames);
-    if (tsp.isTSC) {
+    if (tsp.isTSC || tsp.isTSServer || tsp.isTSServerLibrary) {
       options = projectConfig.compilerOptions;
       if (createOpts) createOpts.options = options;
     }

src/patch/lib/main.ts

@@ -1,6 +1,8 @@
 namespace tsp {
   Object.defineProperties(ts, {
     isTSC: { get: () => tsp.isTSC, enumerable: true },
+    isTSServer: { get: () => tsp.isTSServer, enumerable: true },
+    isTSServerLibrary: { get: () => tsp.isTSServerLibrary, enumerable: true },
     tspVersion: { get: () => tsp.tspVersion, enumerable: true },
     PluginCreator: { get: () => tsp.PluginCreator, enumerable: true },
     originalCreateProgram: { value: ts.createProgram, enumerable: true },

src/patch/lib/shared.ts

@@ -5,6 +5,8 @@ namespace tsp {
 
   export const diagnosticMap: typeof ts.diagnosticMap = new WeakMap();
   export declare let isTSC: boolean;
+  export declare let isTSServer: boolean;
+  export declare let isTSServerLibrary: boolean;
   export declare let tspVersion: string;
 
   /* ********************************************************* *