Bug fixes and improvements (#1318)

* Sync zh and zh-hant versions

* Update en/README.md

* Add a Q&A for chapter of introduction

* Update the callout headers

* Sync zh ang zh-hant versions

* Bug fixes

zh-hant/codes/javascript/chapter_graph/graph_bfs.js

@@ -12,7 +12,7 @@ const { Vertex } = require('../modules/Vertex');
 function graphBFS(graph, startVet) {
     // 頂點走訪序列
     const res = [];
-    // 雜湊表，用於記錄已被訪問過的頂點
+    // 雜湊集合，用於記錄已被訪問過的頂點
     const visited = new Set();
     visited.add(startVet);
     // 佇列用於實現 BFS

zh-hant/codes/javascript/chapter_graph/graph_dfs.js

@@ -27,7 +27,7 @@ function dfs(graph, visited, res, vet) {
 function graphDFS(graph, startVet) {
     // 頂點走訪序列
     const res = [];
-    // 雜湊表，用於記錄已被訪問過的頂點
+    // 雜湊集合，用於記錄已被訪問過的頂點
     const visited = new Set();
     dfs(graph, visited, res, startVet);
     return res;

zh-hant/codes/javascript/test_all.js

@@ -0,0 +1,63 @@
+import { bold, brightRed } from 'jsr:@std/fmt/colors';
+import { expandGlob } from 'jsr:@std/fs';
+import { relative, resolve } from 'jsr:@std/path';
+
+/**
+ * @typedef {import('jsr:@std/fs').WalkEntry} WalkEntry
+ * @type {WalkEntry[]}
+ */
+const entries = [];
+
+for await (const entry of expandGlob(
+    resolve(import.meta.dirname, './chapter_*/*.js')
+)) {
+    entries.push(entry);
+}
+
+/** @type {{ status: Promise<Deno.CommandStatus>; stderr: ReadableStream<Uint8Array>; }[]} */
+const processes = [];
+
+for (const file of entries) {
+    const execute = new Deno.Command('node', {
+        args: [relative(import.meta.dirname, file.path)],
+        cwd: import.meta.dirname,
+        stdin: 'piped',
+        stdout: 'piped',
+        stderr: 'piped',
+    });
+
+    const process = execute.spawn();
+    processes.push({ status: process.status, stderr: process.stderr });
+}
+
+const results = await Promise.all(
+    processes.map(async (item) => {
+        const status = await item.status;
+        return { status, stderr: item.stderr };
+    })
+);
+
+/** @type {ReadableStream<Uint8Array>[]} */
+const errors = [];
+
+for (const result of results) {
+    if (!result.status.success) {
+        errors.push(result.stderr);
+    }
+}
+
+console.log(`Tested ${entries.length} files`);
+console.log(`Found exception in ${errors.length} files`);
+
+if (errors.length) {
+    console.log();
+
+    for (const error of errors) {
+        const reader = error.getReader();
+        const { value } = await reader.read();
+        const decoder = new TextDecoder();
+        console.log(`${bold(brightRed('error'))}: ${decoder.decode(value)}`);
+    }
+
+    throw new Error('Test failed');
+}