separete ts config for extension.

package.json

@@ -8,12 +8,12 @@
   "activationEvents": [
     "onCommand:react-webview.start"
   ],
-  "main": "./ext-src/extension.js",
+  "main": "./build/ext-src/extension.js",
   "contributes": {
     "commands": [
       {
         "command": "react-webview.start",
-        "title": "Start react webview",
+        "title": "Start React Webview",
         "category": "React"
       }
     ]
@@ -25,20 +25,18 @@
 	"vscode": "^1.1.17"
   },
   "scripts": {
-	"vscode:prepublish": "tsc -p ./",
+	"vscode:prepublish": "react-scripts-ts build && tsc -p tsconfig.extension.json",
-    "compile": "tsc -p ./",
-    "watch": "tsc -w -p ./",
     "postinstall": "node ./node_modules/vscode/bin/install",
     "start": "react-scripts-ts start",
-    "build": "react-scripts-ts build",
+    "build": "react-scripts-ts build && tsc -p tsconfig.extension.json",
     "test": "react-scripts-ts test --env=jsdom",
     "eject": "react-scripts-ts eject"
   },
   "devDependencies": {
     "@types/jest": "^22.2.3",
-    "@types/node": "^10.1.2",
+	"@types/node": "^10.1.2",
+    "typescript": "^2.8.3",
     "@types/react": "^16.3.14",
-    "@types/react-dom": "^16.0.5",
+    "@types/react-dom": "^16.0.5"
-    "typescript": "^2.8.3"
   }
 }

tsconfig.extension.json

@@ -0,0 +1,21 @@
+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "target": "es6",
+        "outDir": "build",
+        "lib": [
+			"es6",
+			"dom"
+        ],
+        "sourceMap": true,
+        "rootDir": ".",
+        "strict": true
+	},
+	"include": [
+		"ext-src"
+	],
+    "exclude": [
+        "node_modules",
+        ".vscode-test"
+    ]
+}

yarn.lock

@@ -20,10 +20,14 @@
   version "22.2.3"
   resolved "https://registry.yarnpkg.com/@types/jest/-/jest-22.2.3.tgz#0157c0316dc3722c43a7b71de3fdf3acbccef10d"
 
-"@types/node@*", "@types/node@^10.1.2":
+"@types/node@*":
   version "10.1.2"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.1.2.tgz#1b928a0baa408fc8ae3ac012cc81375addc147c6"
 
+"@types/node@^9.4.6":
+  version "9.6.18"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-9.6.18.tgz#092e13ef64c47e986802c9c45a61c1454813b31d"
+
 "@types/react-dom@^16.0.5":
   version "16.0.5"
   resolved "https://registry.yarnpkg.com/@types/react-dom/-/react-dom-16.0.5.tgz#a757457662e3819409229e8f86795ff37b371f96"
@@ -7438,7 +7442,7 @@ typedarray@^0.0.6:
   version "0.0.6"
   resolved "https://registry.yarnpkg.com/typedarray/-/typedarray-0.0.6.tgz#867ac74e3864187b1d3d47d996a78ec5c8830777"
 
-typescript@^2.8.3:
+typescript@^2.7.2:
   version "2.8.3"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.8.3.tgz#5d817f9b6f31bb871835f4edf0089f21abe6c170"