Fix possible undefined access exception when using apply "first" for a code action and no code actions are returned

Fixes #63101

extensions/typescript-language-features/tslint.json

@@ -0,0 +1,64 @@
+{
+	"defaultSeverity": "warning",
+	"extends": [
+		"tslint:recommended"
+	],
+	"rules": {
+		"member-ordering": false,
+		"whitespace": false,
+		"indent": [
+			true,
+			"tabs"
+		],
+		"interface-name": [
+			true,
+			"never-prefix"
+		],
+		"variable-name": [
+			true,
+			"check-format",
+			"allow-leading-underscore"
+		],
+		"curly": [
+			true,
+			"ignore-same-line"
+		],
+		"member-access": [
+			true
+		],
+		"max-classes-per-file": false,
+		"no-empty": false,
+		"object-literal-sort-keys": false,
+		"no-unused-expression": true,
+		"arrow-parens": [
+			true,
+			"ban-single-arg-parens"
+		],
+		"quotemark": [
+			true,
+			"single"
+		],
+		"eofline": false,
+		"semicolon": [
+			true,
+			"always"
+		],
+		"class-name": true,
+		"prefer-const": true,
+		"import-spacing": true,
+		"ordered-imports": false,
+		"trailing-comma": [
+			true,
+			{
+				"multiline": {
+					"objects": "always",
+					"arrays": "always",
+					"functions": "ignore",
+					"typeLiterals": "ignore"
+				}
+			}
+		],
+		"max-line-length": false,
+		"no-bitwise": false
+	}
+}

src/vs/editor/contrib/codeAction/codeActionCommands.ts

@@ -93,7 +93,7 @@ export class QuickFixController implements IEditorContribution {
 			// Triggered for specific scope
 			// Apply if we only have one action or requested autoApply, otherwise show menu
 			e.actions.then(fixes => {
-				if (e.trigger.autoApply === CodeActionAutoApply.First || (e.trigger.autoApply === CodeActionAutoApply.IfSingle && fixes.length === 1)) {
+				if (fixes.length > 0 && e.trigger.autoApply === CodeActionAutoApply.First || (e.trigger.autoApply === CodeActionAutoApply.IfSingle && fixes.length === 1)) {
 					this._onApplyCodeAction(fixes[0]);
 				} else {
 					this._codeActionContextMenu.show(e.actions, e.position);