Merge #2970

2970: [VSCode] Fix syntax highlighting r=matklad a=bjorn3

Fixes #2969
Fixes #2971

Co-authored-by: bjorn3 <[email protected]>

Author: bors[bot]

editors/code/src/color_theme.ts

@@ -28,9 +28,11 @@ export class ColorTheme {
     static fromRules(rules: TextMateRule[]): ColorTheme {
         const res = new ColorTheme();
         for (const rule of rules) {
-            const scopes = typeof rule.scope === 'string'
-                ? [rule.scope]
-                : rule.scope;
+            const scopes = typeof rule.scope === 'undefined'
+                ? []
+                : typeof rule.scope === 'string'
+                    ? [rule.scope]
+                    : rule.scope;
             for (const scope of scopes) {
                 res.rules.set(scope, rule.settings);
             }

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"