feat(ci): Ensure guide directory structure in CI

tools/scripts/ci/ensure-guide-page-naming.js

@@ -0,0 +1,65 @@
+const path = require('path');
+const fs = require('fs');
+const readdirp = require('readdirp-walk');
+
+const guideRoot = path.resolve(__dirname, '../../../guide');
+
+const allowedLangDirNames = [
+  'arabic',
+  'chinese',
+  'english',
+  'portuguese',
+  'russian',
+  'spanish'
+];
+
+function checkDirName(dirName, fullPath) {
+  if (dirName.replace(/(\s|\_)/, '') !== dirName) {
+    const newDirName = dirName.replace(/\s/g, '-');
+    fs.renameSync(fullPath, fullPath.replace(dirName, newDirName));
+    // throw new Error(
+    //   `Invalid character found in a folder named '${dirName}', please use '-' for spaces
+    //   ${fullPath}
+    //   `
+    // );
+    return;
+  }
+  if (dirName.toLowerCase() !== dirName) {
+    const newPath = fullPath.replace(dirName, dirName.toLowerCase());
+    console.log(`renaming ${dirName} to ${dirName.toLowerCase()}`);
+    fs.renameSync(fullPath, newPath);
+  }
+}
+
+function checkFileName(fileName, fullPath) {
+  if (fileName !== 'index.md') {
+    throw new Error(
+      `${fileName} is not a valid file name, please use 'index.md'
+      ${fullPath}
+      `
+    );
+  }
+}
+
+function checkFile(file) {
+  const { stat, depth, name, fullPath } = file;
+  if (depth === 1) {
+    if (stat.isFile()) {
+      throw new Error(`${name} is not valid in the ${guideRoot} directory`);
+    }
+    if (!allowedLangDirNames.includes(name)) {
+      throw new Error(`${name} should not be in the ${guideRoot} directory`);
+    }
+  }
+  if (stat.isDirectory()) {
+    return checkDirName(name, fullPath);
+  }
+  return checkFileName(name, fullPath);
+}
+
+readdirp({ root: guideRoot })
+  .on('data', checkFile)
+  .on('end', () => {
+    /* eslint-disable no-process-exit */
+    process.exit(0);
+  });