[BUG] transform entry emptied in markdown-magic configuration file

.vscode/launch.json

@@ -4,6 +4,20 @@
   // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
   "version": "0.2.0",
   "configurations": [
+    {
+      "name": "Launch Config Program",
+      "program": "${workspaceFolder}\\src\\cli.js",
+      "request": "launch",
+      "skipFiles": ["<node_internals>/**"],
+      "type": "node",
+      "args": [
+        ".",
+        "--update-config",
+        "md.config.js",
+        "--transform-name",
+        "fileTreeExtended"
+      ]
+    },
     {
       "name": "Launch Programmatic Program",
       "program": "${workspaceFolder}\\example\\programmatic-use.js",

README.md

@@ -179,49 +179,49 @@ Options:
 
 <!-- doc-gen COMMANDS format=list -->
 
-- `describe` — Update repository descriptions in md.config.js transformDefaults for fileTreeExtended. (line [93](./package.json#L93))
+- `describe` — Update repository descriptions in md.config.js transformDefaults for fileTreeExtended. (line [92](./package.json#L92))
 
   ```bash
   node src/cli.js . --update-config md.config.js --transform-name fileTreeExtended
   ```
 
-- `describe:file` — Generates AI-powered descriptions for repository files and outputs them in various formats. (line [87](./package.json#L87))
+- `describe:file` — Generates AI-powered descriptions for repository files and outputs them in various formats. (line [86](./package.json#L86))
 
   ```bash
-  node src/cli.js . --output descriptions.json
+  node src/cli.js . --output _descriptions.json
   ```
 
-- `docs` — Generates documentation by processing Markdown files with markdown-magic. (line [92](./package.json#L92))
+- `docs` — Generates documentation by processing Markdown files with markdown-magic. (line [91](./package.json#L91))
 
   ```bash
   npx markdown-magic@3.7.0 **/*.md -c md.config.js
   ```
 
-- `format` — Formats the codebase using Prettier. (line [90](./package.json#L90))
+- `format` — Formats the codebase using Prettier. (line [89](./package.json#L89))
 
   ```bash
   prettier --write .
   ```
 
-- `lint` — Lints the codebase for potential errors and style violations. (line [88](./package.json#L88))
+- `lint` — Lints the codebase for potential errors and style violations. (line [87](./package.json#L87))
 
   ```bash
   eslint src/ **/*.js **/*.json
   ```
 
-- `lint:fix` — Lints the codebase and automatically fixes fixable issues. (line [89](./package.json#L89))
+- `lint:fix` — Lints the codebase and automatically fixes fixable issues. (line [88](./package.json#L88))
 
   ```bash
   eslint --fix src/ **/*.js **/*.json
   ```
 
-- `prep` — Prepares the codebase by generating documentation, linting, and formatting. (line [91](./package.json#L91))
+- `prep` — Prepares the codebase by generating documentation, linting, and formatting. (line [90](./package.json#L90))
 
   ```bash
-  npm run docs && npm run lint:fix && npm run format
+  npm run describe:file && npm run docs && npm run lint:fix && npm run format
   ```
 
-- `test` — Runs the test suite using Jest. (line [86](./package.json#L86))
+- `test` — Runs the test suite using Jest. (line [85](./package.json#L85))
 
   ```bash
   jest --passWithNoTests
@@ -266,7 +266,7 @@ This project is licensed under the MIT License - see the [LICENSE](LICENSE) file
 
 ## Project Structure
 
-<!-- doc-gen fileTreeExtended showSize=false showDescriptions=true descriptionsFile=descriptions.json -->
+<!-- doc-gen fileTreeExtended showSize=false showDescriptions=true descriptionsFile=_descriptions.json -->
 
 ```
 repo-description/
@@ -281,15 +281,16 @@ repo-description/
 │   ├── describe.js        # Description unavailable.
 │   ├── index.js           # Description unavailable.
 │   └── utils.js           # Description unavailable.
-├── .env                   # Configure... the environment by setting the `GROQ_API_KEY` variable to provide authentication for Groq API access.
+├── _descriptions.json
+├── .env                   # Defines the GROQ_API_KEY environment variable for authentication.
 ├── .gitignore
-├── .prettierrc.json       # Configure Prettier to enforce single quotes, trailing commas (es5), an 80‑character print width, and a specific ordering of fields in package.json via the prettier‑plugin‑packagejson.
-├── babel.config.js        # [configure] Babel to use @babel/preset‑env with the target set to the current Node version…
-├── CHANGELOG.md           # Documenting the project's version history by listing each release’s features, bug fixes, and related metadata in a Keep‑a‑Changelog format.
-├── CONTRIBUTING.md        # Guide contributors on how to report bugs, suggest enhancements, and submit code via pull requests.
-├── eslint.config.js       # Configure ESLint with global browser, node, and jest globals, recommended core and Prettier rules, and custom JSON/JSONC and YAML parsers and plugins for those file types.
-├── LICENSE                # Granting permission to use, copy, modify, merge, publish, distribute, sublicense, and sell the software freely under the MIT License.
-├── md.config.js           # [Exports] a configuration object that defines default settings (like file descriptions and badge style) and registers the markdown‑magic transform modules used to generate and augment the project’s documentation.
+├── .prettierrc.json       # Description unavailable.
+├── babel.config.js        # Description unavailable.
+├── CHANGELOG.md           # Description unavailable.
+├── CONTRIBUTING.md        # Description unavailable.
+├── eslint.config.js       # Description unavailable.
+├── LICENSE                # Description unavailable.
+├── md.config.js           # Description unavailable.
 ├── package-lock.json      # Description unavailable.
 ├── package.json           # Description unavailable.
 ├── README.md              # Description unavailable.

_descriptions.json

@@ -0,0 +1,20 @@
+{
+  ".env": "Defines the GROQ_API_KEY environment variable for authentication.",
+  ".prettierrc.json": "Description unavailable.",
+  ".vscode/launch.json": "Description unavailable.",
+  "babel.config.js": "Description unavailable.",
+  "CHANGELOG.md": "Description unavailable.",
+  "CONTRIBUTING.md": "Description unavailable.",
+  "eslint.config.js": "Description unavailable.",
+  "LICENSE": "Description unavailable.",
+  "md.config.js": "Description unavailable.",
+  "package-lock.json": "Description unavailable.",
+  "package.json": "Description unavailable.",
+  "README.md": "Description unavailable.",
+  "RULES_OF_CONDUCT.md": "Description unavailable.",
+  "src/cli.js": "Description unavailable.",
+  "src/describe.js": "Description unavailable.",
+  "src/index.js": "Description unavailable.",
+  "src/utils.js": "Description unavailable.",
+  "__tests__/cli.test.js": "Description unavailable."
+}

md.config.js

@@ -1,36 +1,5 @@
 module.exports = {
   transformDefaults: {
-    fileTreeExtended: {
-      descriptions: {
-        '.env':
-          'Configure... the environment by setting the `GROQ_API_KEY` variable to provide authentication for Groq API access.',
-        '.prettierrc.json':
-          'Configure Prettier to enforce single quotes, trailing commas (es5), an 80‑character print width, and a specific ordering of fields in package.json via the prettier‑plugin‑packagejson.',
-        '.vscode/launch.json':
-          'Configure launch configurations for debugging Node.js programs in VS Code.',
-        'babel.config.js':
-          '[configure] Babel to use @babel/preset‑env with the target set to the current Node version…',
-        'CHANGELOG.md':
-          "Documenting the project's version history by listing each release’s features, bug fixes, and related metadata in a Keep‑a‑Changelog format.",
-        'CONTRIBUTING.md':
-          'Guide contributors on how to report bugs, suggest enhancements, and submit code via pull requests.',
-        'eslint.config.js':
-          'Configure ESLint with global browser, node, and jest globals, recommended core and Prettier rules, and custom JSON/JSONC and YAML parsers and plugins for those file types.',
-        LICENSE:
-          'Granting permission to use, copy, modify, merge, publish, distribute, sublicense, and sell the software freely under the MIT License.',
-        'md.config.js':
-          '[Exports] a configuration object that defines default settings (like file descriptions and badge style) and registers the markdown‑magic transform modules used to generate and augment the project’s documentation.',
-        'package-lock.json': 'Description unavailable.',
-        'package.json': 'Description unavailable.',
-        'README.md': 'Description unavailable.',
-        'RULES_OF_CONDUCT.md': 'Description unavailable.',
-        'src/cli.js': 'Description unavailable.',
-        'src/describe.js': 'Description unavailable.',
-        'src/index.js': 'Description unavailable.',
-        'src/utils.js': 'Description unavailable.',
-        '__tests__/cli.test.js': 'Description unavailable.',
-      },
-    },
     BADGES: {
       style: 'for-the-badge',
     },

package.json

@@ -43,12 +43,12 @@
   ],
   "scripts": {
     "describe": "node src/cli.js . --update-config md.config.js --transform-name fileTreeExtended",
-    "describe:file": "node src/cli.js . --output descriptions.json",
+    "describe:file": "node src/cli.js . --output _descriptions.json",
     "docs": "npx markdown-magic@3.7.0 **/*.md -c md.config.js",
     "format": "prettier --write .",
     "lint": "eslint src/ **/*.js **/*.json",
     "lint:fix": "eslint --fix src/ **/*.js **/*.json",
-    "prep": "npm run docs && npm run lint:fix && npm run format",
+    "prep": "npm run describe:file && npm run docs && npm run lint:fix && npm run format",
     "test": "jest --passWithNoTests"
   },
   "jest": {

src/describe.js

@@ -144,20 +144,63 @@ async function updateMarkdownMagicConfig(
     throw new Error(`Config file not found: ${absPath}`);
   }
 
-  const config = require(absPath);
+  let fileContent = fs.readFileSync(absPath, 'utf8');
 
+  // Use require to get the current config object for in-memory manipulation.
+  // This allows us to easily update the descriptions.
+  let config = require(absPath);
+
+  // Ensure transformDefaults and the specific transformName exist in the in-memory config
   if (!config.transformDefaults) {
     config.transformDefaults = {};
   }
   if (!config.transformDefaults[transformName]) {
     config.transformDefaults[transformName] = {};
   }
 
+  // Update the descriptions in the in-memory config object
   config.transformDefaults[transformName].descriptions = descriptions;
 
-  // Write back to file
-  const newConfig = `module.exports = ${JSON.stringify(config, null, 2)};\n`;
-  fs.writeFileSync(absPath, newConfig);
+  // Now, we need to update the file content string.
+  // We will find the 'transformDefaults' property and replace its value.
+  // This regex is designed to find 'transformDefaults:' followed by its object literal.
+  // It's still somewhat fragile and relies on consistent formatting.
+  const transformDefaultsRegex = /(transformDefaults:\s*)(\{[\s\S]*?\})/m;
+  const match = fileContent.match(transformDefaultsRegex);
+
+  if (match) {
+    // The original string for transformDefaults (including the key and colon)
+    const originalTransformDefaultsString = match[0];
+    // The object literal part of transformDefaults
+    // const originalTransformDefaultsObjectString = match[2]; // Not directly used for replacement
+
+    // Stringify only the updated transformDefaults from the in-memory config.
+    // This is safe because 'descriptions' is expected to be a JSON-serializable object.
+    const updatedTransformDefaultsObjectString = JSON.stringify(
+      config.transformDefaults,
+      null,
+      2
+    );
+
+    // Reconstruct the new transformDefaults string to be inserted back into the file
+    const newTransformDefaultsString =
+      match[1] + updatedTransformDefaultsObjectString;
+
+    // Replace the old transformDefaults string with the new one in the file content
+    fileContent = fileContent.replace(
+      originalTransformDefaultsString,
+      newTransformDefaultsString
+    );
+  } else {
+    // If the 'transformDefaults' block is not found, we'll throw an error.
+    // A more complete solution would involve adding the block if it's missing,
+    // but that significantly increases complexity and fragility with string manipulation.
+    throw new Error(
+      'Could not find transformDefaults block in config file. Please ensure it exists and is correctly formatted.'
+    );
+  }
+
+  fs.writeFileSync(absPath, fileContent);
   console.log(`Updated ${transformName}.descriptions in ${configPath}`);
 }