Add generators: code, completion, and docs generators

src/generators/docs-generator.ts

@@ -0,0 +1,135 @@
+import * as fs from 'fs';
+import * as path from 'path';
+import Handlebars from 'handlebars';
+import type { CLISpec } from '../types/spec.js';
+
+const TEMPLATE_DIR = path.resolve(process.cwd(), 'src', 'templates');
+
+function getTemplatePath(templateName: string): string {
+  return path.join(TEMPLATE_DIR, `${templateName}.handlebars`);
+}
+
+function getTemplateContent(templateName: string): string {
+  const templatePath = getTemplatePath(templateName);
+  if (!fs.existsSync(templatePath)) {
+    throw new Error(`Template not found: ${templatePath}`);
+  }
+  return fs.readFileSync(templatePath, 'utf-8');
+}
+
+function compileTemplate(content: string): Handlebars.TemplateDelegate {
+  Handlebars.registerHelper('escape', function (str: string) {
+    return str.replace(/"/g, '\\"').replace(/\n/g, ' ').replace(/\s+/g, ' ');
+  });
+
+  Handlebars.registerHelper('defaultValue', function (value: unknown) {
+    if (value === undefined || value === null) return '';
+    return String(value);
+  });
+
+  Handlebars.registerHelper('toJson', function (value: unknown) {
+    return JSON.stringify(value, null, 2);
+  });
+
+  return Handlebars.compile(content, { noEscape: true });
+}
+
+export interface DocsResult {
+  success: boolean;
+  content?: string;
+  error?: string;
+}
+
+export function generateManPage(spec: CLISpec): DocsResult {
+  try {
+    const templateContent = getTemplateContent('manpage');
+    const template = compileTemplate(templateContent);
+    const content = template({ spec });
+    return { success: true, content };
+  } catch (error) {
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : 'Unknown error during man page generation',
+    };
+  }
+}
+
+export function generateReadmeSection(spec: CLISpec): DocsResult {
+  try {
+    const content = `## ${spec.name}
+
+${spec.description}
+
+### Installation
+
+\`\`\`bash
+# For Node.js
+npm install -g ${spec.bin || spec.name}
+
+# For Python
+pip install ${spec.bin || spec.name}
+
+# For Go
+go install github.com/${spec.author || 'user'}/${spec.bin || spec.name}@latest
+
+# For Rust
+cargo install ${spec.bin || spec.name}
+\`\`\`
+
+### Usage
+
+\`\`\`bash
+${spec.bin || spec.name} --help
+${spec.bin || spec.name} --version
+\`\`\`
+
+### Commands
+
+${spec.commands.map(cmd => `#### \`${cmd.name}\`
+
+${cmd.description}
+
+${cmd.options ? `**Options:**
+${cmd.options.map(opt => `- \`--${opt.name}${opt.short ? `, -${opt.short}` : ''}\`: ${opt.description}`).join('\n')}
+` : ''}`).join('\n')}
+
+### Global Options
+
+${spec.globalOptions?.map(opt => `- \`--${opt.name}${opt.short ? `, -${opt.short}` : ''}\`: ${opt.description}`).join('\n') || 'None'}
+
+### Examples
+
+${spec.examples?.map(ex => `**${ex.description}**
+\`\`\`bash
+${ex.command}
+\`\`\`
+${ex.output ? `Output:
+\`\`\`
+${ex.output}
+\`\`\`
+` : ''}`).join('\n') || 'No examples available.'}
+
+### Version
+
+${spec.version}
+
+${spec.author ? `**Author:** ${spec.author}` : ''}
+${spec.license ? `**License:** ${spec.license}` : ''}
+`;
+
+    return { success: true, content };
+  } catch (error) {
+    return {
+      success: false,
+      error: error instanceof Error ? error.message : 'Unknown error during README generation',
+    };
+  }
+}
+
+export function getManPageFileName(spec: CLISpec): string {
+  return `${spec.bin || spec.name}.1`;
+}
+
+export function getReadmeFileName(): string {
+  return 'CLI_DOCS.md';
+}