move computation that require global state into init-method

Author: jrieken

src/core/scriptLoader.ts

@@ -183,26 +183,28 @@ namespace AMDLoader {
 			this._env = env;
 			this._didInitialize = false;
 			this._didPatchNodeRequire = false;
-
-			// js-flags have an impact on cached data
-			this._jsflags = '';
-			for (const arg of process.argv) {
-				if (arg.indexOf('--js-flags=') === 0) {
-					this._jsflags = arg;
-					break;
-				}
-			}
 		}
 
 		private _init(nodeRequire: INodeRequire): void {
 			if (this._didInitialize) {
 				return;
 			}
 			this._didInitialize = true;
+
+			// capture node modules
 			this._fs = nodeRequire('fs');
 			this._vm = nodeRequire('vm');
 			this._path = nodeRequire('path');
 			this._crypto = nodeRequire('crypto');
+
+			// js-flags have an impact on cached data
+			this._jsflags = '';
+			for (const arg of process.argv) {
+				if (arg.indexOf('--js-flags=') === 0) {
+					this._jsflags = arg;
+					break;
+				}
+			}
 		}
 
 		// patch require-function of nodejs such that we can manually create a script