fix(FileItem): ensure file exists before deleting it

.gitignore

@@ -35,3 +35,4 @@ node_modules
 out
 
 .vscode-test
+.idea

src/FileItem.ts

@@ -67,7 +67,9 @@ export class FileItem {
     public async create(mkDir?: boolean): Promise<FileItem> {
         this.ensureTargetPath();
 
-        await workspace.fs.delete(this.targetPath!, { recursive: true });
+        if (this.exists) {
+            await workspace.fs.delete(this.targetPath!, { recursive: true });
+        }
 
         if (mkDir === true || this.isDir) {
             await workspace.fs.createDirectory(this.targetPath!);

test/helper/callbacks.ts

@@ -1,12 +1,17 @@
+import { existsSync } from 'fs';
 import { workspace } from 'vscode';
 import { editorFile1, editorFile2, fixtureFile1, fixtureFile2, tmpDir } from './environment';
 
 export async function beforeEach(): Promise<void> {
-    await workspace.fs.delete(tmpDir, { recursive: true });
+    if (existsSync(tmpDir.fsPath)) {
+        await workspace.fs.delete(tmpDir, { recursive: true });
+    }
     await workspace.fs.copy(fixtureFile1, editorFile1, { overwrite: true });
     await workspace.fs.copy(fixtureFile2, editorFile2, { overwrite: true });
 }
 
 export async function afterEach(): Promise<void> {
-    await workspace.fs.delete(tmpDir, { recursive: true });
+    if (existsSync(tmpDir.fsPath)) {
+        await workspace.fs.delete(tmpDir, { recursive: true });
+    }
 }

tslint.json

@@ -10,8 +10,17 @@
     ],
     "trailing-comma": [
       true,
-      "never"
-    ],
+      {
+          "singleline": "never",
+          "multiline": {
+              "objects": "never",
+              "arrays": "never",
+              "functions": "never",
+              "typeLiterals": "never"
+          }
+      }
+  ],
+  "object-literal-sort-keys": false,
     "no-implicit-dependencies": [
       true,
       "dev",