fix(mod_commit): Improve commit workflow: detect project type and current branch; add robust version bump helpers for npm/deno

ts/mod_commit/mod.helpers.ts

@@ -0,0 +1,204 @@
+import * as plugins from './mod.plugins.js';
+import * as paths from '../paths.js';
+import { logger } from '../gitzone.logging.js';
+
+export type ProjectType = 'npm' | 'deno' | 'both' | 'none';
+export type VersionType = 'patch' | 'minor' | 'major';
+
+/**
+ * Detects the current git branch
+ * @returns The current branch name, defaults to 'master' if detection fails
+ */
+export async function detectCurrentBranch(): Promise<string> {
+  try {
+    const smartshellInstance = new plugins.smartshell.Smartshell({
+      executor: 'bash',
+      sourceFilePaths: [],
+    });
+    const result = await smartshellInstance.exec('git branch --show-current');
+    const branchName = result.stdout.trim();
+
+    if (!branchName) {
+      logger.log('warn', 'Could not detect current branch, falling back to "master"');
+      return 'master';
+    }
+
+    logger.log('info', `Detected current branch: ${branchName}`);
+    return branchName;
+  } catch (error) {
+    logger.log('warn', `Failed to detect branch: ${error.message}, falling back to "master"`);
+    return 'master';
+  }
+}
+
+/**
+ * Detects the project type based on presence of package.json and/or deno.json
+ * @returns The project type
+ */
+export async function detectProjectType(): Promise<ProjectType> {
+  const packageJsonPath = plugins.path.join(paths.cwd, 'package.json');
+  const denoJsonPath = plugins.path.join(paths.cwd, 'deno.json');
+
+  const hasPackageJson = await plugins.smartfile.fs.fileExists(packageJsonPath);
+  const hasDenoJson = await plugins.smartfile.fs.fileExists(denoJsonPath);
+
+  if (hasPackageJson && hasDenoJson) {
+    logger.log('info', 'Detected dual project (npm + deno)');
+    return 'both';
+  } else if (hasPackageJson) {
+    logger.log('info', 'Detected npm project');
+    return 'npm';
+  } else if (hasDenoJson) {
+    logger.log('info', 'Detected deno project');
+    return 'deno';
+  } else {
+    throw new Error('No package.json or deno.json found in current directory');
+  }
+}
+
+/**
+ * Parses a semantic version string and bumps it according to the version type
+ * @param currentVersion Current version string (e.g., "1.2.3")
+ * @param versionType Type of version bump
+ * @returns New version string
+ */
+function calculateNewVersion(currentVersion: string, versionType: VersionType): string {
+  const versionMatch = currentVersion.match(/^(\d+)\.(\d+)\.(\d+)/);
+
+  if (!versionMatch) {
+    throw new Error(`Invalid version format: ${currentVersion}`);
+  }
+
+  let [, major, minor, patch] = versionMatch.map(Number);
+
+  switch (versionType) {
+    case 'major':
+      major += 1;
+      minor = 0;
+      patch = 0;
+      break;
+    case 'minor':
+      minor += 1;
+      patch = 0;
+      break;
+    case 'patch':
+      patch += 1;
+      break;
+  }
+
+  return `${major}.${minor}.${patch}`;
+}
+
+/**
+ * Bumps the version in deno.json
+ * @param versionType Type of version bump
+ * @returns The new version string
+ */
+export async function bumpDenoVersion(versionType: VersionType): Promise<string> {
+  const denoJsonPath = plugins.path.join(paths.cwd, 'deno.json');
+
+  try {
+    // Read deno.json
+    const denoConfig = plugins.smartfile.fs.toObjectSync(
+      denoJsonPath
+    ) as { version?: string };
+
+    if (!denoConfig.version) {
+      throw new Error('deno.json does not contain a version field');
+    }
+
+    const currentVersion = denoConfig.version;
+    const newVersion = calculateNewVersion(currentVersion, versionType);
+
+    logger.log('info', `Bumping deno.json version: ${currentVersion} → ${newVersion}`);
+
+    // Update version
+    denoConfig.version = newVersion;
+
+    // Write back to disk
+    await plugins.smartfile.memory.toFs(
+      JSON.stringify(denoConfig, null, 2) + '\n',
+      denoJsonPath
+    );
+
+    return newVersion;
+  } catch (error) {
+    throw new Error(`Failed to bump deno.json version: ${error.message}`);
+  }
+}
+
+/**
+ * Bumps the version in package.json using npm version command
+ * @param versionType Type of version bump
+ * @returns The new version string
+ */
+async function bumpNpmVersion(versionType: VersionType): Promise<string> {
+  const smartshellInstance = new plugins.smartshell.Smartshell({
+    executor: 'bash',
+    sourceFilePaths: [],
+  });
+
+  logger.log('info', `Bumping package.json version using npm version ${versionType}`);
+  const result = await smartshellInstance.exec(`npm version ${versionType}`);
+
+  // npm version returns the new version with a 'v' prefix, e.g., "v1.2.3"
+  const newVersion = result.stdout.trim().replace(/^v/, '');
+  return newVersion;
+}
+
+/**
+ * Syncs the version from package.json to deno.json
+ * @param version The version to sync
+ */
+async function syncVersionToDenoJson(version: string): Promise<void> {
+  const denoJsonPath = plugins.path.join(paths.cwd, 'deno.json');
+
+  try {
+    const denoConfig = plugins.smartfile.fs.toObjectSync(
+      denoJsonPath
+    ) as { version?: string };
+
+    logger.log('info', `Syncing version to deno.json: ${version}`);
+    denoConfig.version = version;
+
+    await plugins.smartfile.memory.toFs(
+      JSON.stringify(denoConfig, null, 2) + '\n',
+      denoJsonPath
+    );
+  } catch (error) {
+    throw new Error(`Failed to sync version to deno.json: ${error.message}`);
+  }
+}
+
+/**
+ * Bumps the project version based on project type
+ * @param projectType The detected project type
+ * @param versionType The type of version bump
+ * @returns The new version string
+ */
+export async function bumpProjectVersion(
+  projectType: ProjectType,
+  versionType: VersionType
+): Promise<string> {
+  switch (projectType) {
+    case 'npm':
+      return await bumpNpmVersion(versionType);
+
+    case 'deno':
+      return await bumpDenoVersion(versionType);
+
+    case 'both': {
+      // Bump npm version first (it handles git tags)
+      const newVersion = await bumpNpmVersion(versionType);
+      // Then sync to deno.json
+      await syncVersionToDenoJson(newVersion);
+      return newVersion;
+    }
+
+    case 'none':
+      throw new Error('Cannot bump version: no package.json or deno.json found');
+
+    default:
+      throw new Error(`Unknown project type: ${projectType}`);
+  }
+}