modify the code template

Author: Hide927

package.json

@@ -1,9 +1,9 @@
 {
-    "name": "vscode-leetcode",
-    "displayName": "LeetCode",
+    "name": "vscode-leetcode-wzh",
+    "displayName": "LeetCode-wzh",
     "description": "Solve LeetCode problems in VS Code",
-    "version": "0.18.1",
-    "author": "Sheng Chen",
+    "version": "0.18.1-wzh",
+    "author": "Sheng Chen (Modified by wzh)",
     "publisher": "LeetCode",
     "license": "MIT",
     "icon": "resources/LeetCode.png",
@@ -700,6 +700,14 @@
                             "Acceptance Rate (Descending)"
                         ],
                         "description": "Sorting strategy for problems list."
+                    },
+                    "leetcode.header": {
+                        "type": "array",
+                        "items": {
+                            "type": "string"
+                        },
+                        "scope": "application",
+                        "description": "Add your custom codes at the top of source files."
                     }
                 }
             }

src/commands/show.ts

@@ -170,7 +170,12 @@ async function showProblemInternal(node: IProblem): Promise<void> {
         const descriptionConfig: IDescriptionConfiguration = settingUtils.getDescriptionConfiguration();
         const needTranslation: boolean = settingUtils.shouldUseEndpointTranslation();
 
-        await leetCodeExecutor.showProblem(node, language, finalPath, descriptionConfig.showInComment, needTranslation);
+        const header: string[] = leetCodeConfig.get<string[]>("header", []);
+        let header_str: string = header.join("\n").trim();
+        if (header_str.length > 0) {
+            header_str += "\n";
+        }
+        await leetCodeExecutor.showProblem(node, language, finalPath, descriptionConfig.showInComment, needTranslation, header_str);
         const promises: any[] = [
             vscode.window.showTextDocument(vscode.Uri.file(finalPath), { preview: false, viewColumn: vscode.ViewColumn.One }),
             promptHintMessage(

src/leetCodeExecutor.ts

@@ -100,7 +100,7 @@ class LeetCodeExecutor implements Disposable {
         return await this.executeCommandEx(this.nodeExecutable, cmd);
     }
 
-    public async showProblem(problemNode: IProblem, language: string, filePath: string, showDescriptionInComment: boolean = false, needTranslation: boolean): Promise<void> {
+    public async showProblem(problemNode: IProblem, language: string, filePath: string, showDescriptionInComment: boolean = false, needTranslation: boolean, header: string = ""): Promise<void> {
         const templateType: string = showDescriptionInComment ? "-cx" : "-c";
         const cmd: string[] = [await this.getLeetCodeBinaryPath(), "show", problemNode.id, templateType, "-l", language];
 
@@ -111,7 +111,7 @@ class LeetCodeExecutor implements Disposable {
         if (!await fse.pathExists(filePath)) {
             await fse.createFile(filePath);
             const codeTemplate: string = await this.executeCommandWithProgressEx("Fetching problem data...", this.nodeExecutable, cmd);
-            await fse.writeFile(filePath, codeTemplate);
+            await fse.writeFile(filePath, header + codeTemplate);
         }
     }