fix: use pinyin instead of Chinese in file name for leetcode-cn problem

package.json

@@ -266,10 +266,11 @@
         "lint": "tslint --project tsconfig.json -e src/*.d.ts -t verbose"
     },
     "devDependencies": {
-        "@types/fs-extra": "5.0.0",
+        "@types/fs-extra": "^5.0.5",
         "@types/lodash.kebabcase": "^4.1.5",
         "@types/mocha": "^2.2.42",
         "@types/node": "^7.0.43",
+        "@types/pinyin": "^2.8.1",
         "@types/require-from-string": "^1.2.0",
         "tslint": "^5.9.1",
         "typescript": "^2.6.1",
@@ -279,6 +280,7 @@
         "fs-extra": "^6.0.1",
         "leetcode-cli": "2.6.1",
         "lodash.kebabcase": "^4.1.1",
+        "pinyin": "^2.8.3",
         "require-from-string": "^2.0.2"
     }
 }

src/commands/show.ts

@@ -66,7 +66,7 @@ async function showProblemInternal(node: IProblem): Promise<void> {
         outDir = path.join(outDir, relativePath);
         await fse.ensureDir(outDir);
 
-        const originFilePath: string = await leetCodeExecutor.showProblem(node, language, outDir);
+        const originFilePath: string = await leetCodeExecutor.showProblem(node, language, leetCodeConfig.endpoint, outDir);
         const filePath: string = wsl.useWsl() ? await wsl.toWinPath(originFilePath) : originFilePath;
         await vscode.window.showTextDocument(vscode.Uri.file(filePath), { preview: false });
 

src/leetCodeExecutor.ts

@@ -75,8 +75,8 @@ class LeetCodeExecutor {
         );
     }
 
-    public async showProblem(node: IProblem, language: string, outDir: string): Promise<string> {
-        const fileName: string = genFileName(node, language);
+    public async showProblem(node: IProblem, language: string, endpoint: Endpoint, outDir: string): Promise<string> {
+        const fileName: string = genFileName(node, language, endpoint);
         const filePath: string = path.join(outDir, fileName);
 
         if (!await fse.pathExists(filePath)) {

src/utils/problemUtils.ts

@@ -1,5 +1,6 @@
 import kebabCase = require("lodash.kebabcase");
-import { IProblem, langExt } from "../shared";
+import * as pinyin from "pinyin";
+import { Endpoint, IProblem, langExt } from "../shared";
 
 export function genFileExt(language: string): string {
     const ext: string | undefined = langExt.get(language);
@@ -9,8 +10,18 @@ export function genFileExt(language: string): string {
     return ext;
 }
 
-export function genFileName(node: IProblem, language: string): string {
-    const slug: string = kebabCase(node.name);
+export function genFileSlug(node: IProblem, endpoint: Endpoint): string {
+    switch (endpoint) {
+        case Endpoint.LeetCodeCN:
+            return kebabCase(pinyin(node.name, { style: pinyin.STYLE_NORMAL }).join(""));
+        case Endpoint.LeetCode:
+        default:
+            return kebabCase(node.name);
+    }
+}
+
+export function genFileName(node: IProblem, language: string, endpoint: Endpoint): string {
+    const slug: string = genFileSlug(node, endpoint);
     const ext: string = genFileExt(language);
     return `${node.id}.${slug}.${ext}`;
 }