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v8.5 refactor: consolidate TOC file handling in cloud document scripts (#21512) #21514

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This is an automated cherry-pick of #21512

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@ti-chi-bot ti-chi-bot added lgtm needs-1-more-lgtm Indicates a PR needs 1 more LGTM. rename-serverless This PR is caused by renaming TiDB Cloud Serverless. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. type/cherry-pick-for-release-8.5 This PR is cherry-picked to release-8.5 from a source PR. labels Aug 5, 2025
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Summary of Changes

Hello @ti-chi-bot, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refactors and consolidates the handling of Table of Contents (TOC) files within the cloud documentation processing scripts. The primary goal is to streamline how markdown files related to TiDB Cloud documentation are identified, filtered, and prepared, by centralizing the logic for parsing multiple cloud-specific TOC files and introducing a dedicated script for initial file setup.

Highlights

  • Consolidated TOC Handling: Introduced CLOUD_TOC_LIST and getAllCloudMdList in scripts/utils.js to centralize the logic for reading and combining file paths from multiple cloud-specific Table of Contents (TOC) files, such as TOC-tidb-cloud.md, TOC-tidb-cloud-essential.md, and TOC-tidb-cloud-starter.md.
  • New Initialization Script: Added a new script, scripts/filterCloudInitFiles.js, which is responsible for filtering and copying relevant cloud documentation markdown files into a temporary directory (./tmp) based on the consolidated TOC information. It skips external links, anchor links, and files already within the tidb-cloud/ folder.
  • Improved Path Normalization: Enhanced the getAllMdList utility function to ensure consistent path formatting by automatically removing leading ./ or / from file paths extracted from TOCs.
  • Refactored Script Dependencies: Updated existing scripts (scripts/filterCloudDoc.js, scripts/filterNonCloudDoc.js, scripts/filterUpdateFiles.js) to leverage the new consolidated TOC handling utilities, removing redundant or specific TOC parsing logic from individual files and promoting code reuse.
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Code Review

This pull request refactors the handling of Table of Contents (TOC) files for cloud documentation scripts. It centralizes the list of cloud TOC files and introduces a new utility function getAllCloudMdList to parse multiple TOCs. The old regex-based parsing is replaced with a more robust AST-based approach. This is a good improvement for maintainability and robustness.

I've found a critical bug in a new script and a minor maintainability issue. Please address the critical issue before merging. The style guide was followed in providing feedback.

}

// Skip files in tidb-cloud folder
if (cleanPath.startsWith("tidb-cloud/")) {

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critical

The variable cleanPath is used here but it has not been defined in this scope, which will cause a ReferenceError at runtime. Based on the context of the loop, you likely intended to use filePath.

Suggested change
if (cleanPath.startsWith("tidb-cloud/")) {
if (filePath.startsWith("tidb-cloud/")) {

continue;
}

filePaths.add(cleanPath);

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critical

Similar to the issue above, the undefined variable cleanPath is used here. It should be filePath to add the correct path to the filePaths set.

Suggested change
filePaths.add(cleanPath);
filePaths.add(filePath);

Comment on lines 97 to +103
const getCloudTOCFiles = () => {
// check ./tmp/TOC-tidb-cloud.md first
const tmpTocPath = "./tmp/TOC-tidb-cloud.md";
const localTocPath = "TOC-tidb-cloud.md";
const tmpTocFiles = getAllCloudMdList([
"./tmp/TOC-tidb-cloud.md",
"./tmp/TOC-tidb-cloud-starter.md",
"./tmp/TOC-tidb-cloud-essential.md",
]);
const tocFiles = getAllCloudMdList(CLOUD_TOC_LIST);

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low

The getCloudTOCFiles function is retrieving TOC files from both the tmp directory and the current directory. To improve maintainability and reduce redundancy, consolidate the logic by directly using getAllCloudMdList with both the temporary and current TOC file paths.

This change simplifies the function and ensures consistency in how TOC files are handled.

const getCloudTOCFiles = () => {
  const tmpTocFiles = CLOUD_TOC_LIST.map((tocFile) => `./tmp/${tocFile}`);
  const allTocFiles = [...tmpTocFiles, ...CLOUD_TOC_LIST];
  const finalTocFiles = new Set(getAllCloudMdList(allTocFiles));

  if (finalTocFiles.size === 0) {
    console.log("Warning: No TOC file found or no files in TOC. All .md files will be processed.");
  }

  return finalTocFiles;
};

@lilin90 lilin90 changed the title refactor: consolidate TOC file handling in cloud document scripts (#21512) v8.5 refactor: consolidate TOC file handling in cloud document scripts (#21512) Aug 5, 2025
@lilin90 lilin90 added the translation/no-need No need to translate this PR. label Aug 5, 2025
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lilin90 commented Aug 5, 2025

Note: Since all the changes on feature/preview-starter will be merged to release-8.5, I'll close this PR.

@lilin90 lilin90 closed this Aug 5, 2025
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