Resolve #261 (#278)

Author: Vigilans

package-lock.json

@@ -337,6 +337,7 @@
         "lodash": "^4.17.11",
         "markdown-it": "^8.4.2",
         "require-from-string": "^2.0.2",
+        "unescape-js": "^1.1.1",
         "vsc-leetcode-cli": "2.6.3"
     }
 }

package.json

@@ -3,6 +3,7 @@
 
 import * as fse from "fs-extra";
 import * as path from "path";
+import * as unescapeJS from "unescape-js";
 import * as vscode from "vscode";
 import { LeetCodeNode } from "../explorer/LeetCodeNode";
 import { leetCodeChannel } from "../leetCodeChannel";
@@ -49,11 +50,10 @@ export async function showSolution(node?: LeetCodeNode): Promise<void> {
         return;
     }
     try {
-        let solution: string = await leetCodeExecutor.showSolution(node, language);
-        // remove backslash in espaced \'...\'(generated by leetcode's database)
-        solution = solution.replace(/\\'/g, "'");
-        await leetCodeSolutionProvider.show(solution, node);
+        const solution: string = await leetCodeExecutor.showSolution(node, language);
+        await leetCodeSolutionProvider.show(unescapeJS(solution), node);
     } catch (error) {
+        leetCodeChannel.appendLine(error.toString());
         await promptForOpenOutputChannel("Failed to fetch the top voted solution. Please open the output channel for details.", DialogType.error);
     }
 }