File split + try chokidar for file watching

Author: chenglou

package-lock.json

@@ -98,6 +98,7 @@
 	},
 	"dependencies": {
 		"@types/tmp": "^0.2.0",
+		"chokidar": "^3.4.2",
 		"tmp": "^0.2.1",
 		"vscode-uri": "^2.1.2"
 	}

package.json

@@ -0,0 +1,9 @@
+import * as path from 'path';
+
+// See https://microsoft.github.io/language-server-protocol/specification Abstract Message
+// version is fixed to 2.0
+export let jsonrpcVersion = '2.0';
+export let bscPartialPath = path.join('node_modules', 'bs-platform', process.platform, 'bsc.exe');
+export let compilerLogPartialPath = path.join('lib', 'bs', '.compiler.log');
+export let resExt = '.res';
+export let resiExt = '.resi';