fix null reference issue with destructuring

jrieken · jrieken · commit 340f01e30b6b · 2019-02-08T11:46:58.000+01:00
diff --git a/src/vs/workbench/services/textMate/electron-browser/TMSyntax.ts b/src/vs/workbench/services/textMate/electron-browser/TMSyntax.ts
@@ -257,7 +257,7 @@ export class TextMateService extends Disposable implements ITextMateService {
 				let injections: string[] = [];
 				for (let i = 1; i <= scopeParts.length; i++) {
 					const subScopeName = scopeParts.slice(0, i).join('.');
-					injections = [...injections, ...this._injections[subScopeName]];
+					injections = [...injections, ...(this._injections[subScopeName] || [])];
 				}
 				return injections;
 			}

Original file line number	Diff line number	Diff line change
`@@ -257,7 +257,7 @@ export class TextMateService extends Disposable implements ITextMateService {`
`257`	`257`	`let injections: string[] = [];`
`258`	`258`	`for (let i = 1; i <= scopeParts.length; i++) {`
`259`	`259`	`const subScopeName = scopeParts.slice(0, i).join('.');`
`260`		`- injections = [...injections, ...this._injections[subScopeName]];`
	`260`	`+ injections = [...injections, ...(this._injections[subScopeName] \|\| [])];`
`261`	`261`	`}`
`262`	`262`	`return injections;`
`263`	`263`	`}`