Fix seedrandom in packaged extension

Fixes #2971

editors/code/src/highlighting.ts

@@ -1,7 +1,6 @@
 import * as vscode from 'vscode';
 import * as lc from 'vscode-languageclient';
-import * as seedrandom_ from 'seedrandom';
-const seedrandom = seedrandom_; // https://github.com/jvandemo/generator-angular2-library/issues/221#issuecomment-355945207
+import seedrandom from 'seedrandom';
 
 import { ColorTheme, TextMateRuleSettings } from './color_theme';
 

editors/code/tsconfig.json

@@ -13,7 +13,8 @@
         "noUnusedParameters": true,
         "noImplicitReturns": true,
         "noFallthroughCasesInSwitch": true,
-        "newLine": "LF"
+        "newLine": "LF",
+        "esModuleInterop": true,
     },
     "exclude": [
         "node_modules"