Initial upload with CI/CD workflow

src/cli.ts

@@ -0,0 +1,168 @@
+import { Command } from 'commander';
+import * as path from 'path';
+import * as fs from 'fs';
+import chalk from 'chalk';
+import { TypeInferrer } from './type-inferrer.js';
+import { DeclarationGenerator } from './declaration-generator.js';
+import { readJsonFile, writeDeclarationFile, getDeclarationPath, getInterfaceName, extractJsonSamplesFromFile } from './file-watcher.js';
+
+function processFile(inputPath: string, outputPath?: string, rootName?: string, verbose: boolean = false): Promise<void> {
+  return (async () => {
+    const jsonPath = path.resolve(inputPath);
+    const outputFilePath = outputPath || getDeclarationPath(jsonPath);
+    const interfaceName = rootName || getInterfaceName(jsonPath);
+
+    if (!fs.existsSync(jsonPath)) {
+      console.error(chalk.red(`Error: File not found: ${jsonPath}`));
+      process.exit(1);
+    }
+
+    if (verbose) {
+      console.log(chalk.gray(`Processing: ${jsonPath}`));
+    }
+
+    try {
+      await readJsonFile(jsonPath);
+      const samples = extractJsonSamplesFromFile(jsonPath);
+
+      const inferrer = new TypeInferrer({ rootName: interfaceName });
+      const result = inferrer.inferFromMultiple(samples);
+
+      const generator = new DeclarationGenerator();
+      const declaration = generator.generate(result.types);
+
+      await writeDeclarationFile(outputFilePath, declaration);
+
+      if (verbose) {
+        console.log(chalk.green(`Generated: ${outputFilePath}`));
+        console.log(chalk.gray('---'));
+        console.log(declaration);
+      } else {
+        console.log(chalk.green(`Generated: ${outputFilePath}`));
+      }
+    } catch (error) {
+      if (error instanceof SyntaxError) {
+        console.error(chalk.red(`Error: Invalid JSON in ${jsonPath}`));
+      } else {
+        console.error(chalk.red(`Error processing ${jsonPath}: ${error}`));
+      }
+      process.exit(1);
+    }
+  })();
+}
+
+async function processGlobPattern(pattern: string, outputDir?: string, rootName?: string, verbose: boolean = false): Promise<void> {
+  const { glob } = await import('glob');
+  const files = await glob(pattern);
+
+  if (files.length === 0) {
+    console.error(chalk.red(`No files found matching: ${pattern}`));
+    return;
+  }
+
+  for (const file of files) {
+    await processFile(file, outputDir, rootName, verbose);
+  }
+}
+
+async function watchFiles(patterns: string[], outputDir?: string, rootName?: string, verbose: boolean = false): Promise<void> {
+  console.log(chalk.blue('Starting watch mode...'));
+  console.log(chalk.gray(`Patterns: ${patterns.join(', ')}`));
+  console.log(chalk.gray('Press Ctrl+C to stop\n'));
+
+  const { FileWatcher } = await import('./file-watcher.js');
+  const watcher = new FileWatcher({ patterns });
+
+  await watcher.initialize();
+
+  let isProcessing = false;
+  const pendingFiles: string[] = [];
+
+  watcher.start(async (event, filePath) => {
+    if (event === 'unlink') {
+      const dtsPath = getDeclarationPath(filePath, outputDir);
+      if (fs.existsSync(dtsPath)) {
+        fs.unlinkSync(dtsPath);
+        console.log(chalk.yellow(`Removed: ${dtsPath}`));
+      }
+      return;
+    }
+
+    if (isProcessing) {
+      if (!pendingFiles.includes(filePath)) {
+        pendingFiles.push(filePath);
+      }
+      return;
+    }
+
+    isProcessing = true;
+
+    try {
+      await processFile(filePath, outputDir, rootName, verbose);
+
+      while (pendingFiles.length > 0) {
+        const nextFile = pendingFiles.shift()!;
+        await processFile(nextFile, outputDir, rootName, verbose);
+      }
+    } finally {
+      isProcessing = false;
+    }
+  });
+}
+
+export function createCli(): Command {
+  const program = new Command();
+
+  program
+    .name('type-from-json')
+    .description('Generate TypeScript type definitions from JSON files')
+    .version('1.0.0');
+
+  program
+    .command('infer')
+    .description('Generate type definitions from JSON files')
+    .argument('<pattern>', 'File pattern (e.g., "*.json", "src/**/*.json")')
+    .option('-o, --output <directory>', 'Output directory for .d.ts files')
+    .option('-n, --name <name>', 'Root interface/type name')
+    .option('-v, --verbose', 'Show generated type definitions')
+    .action(async (pattern, options) => {
+      await processGlobPattern(pattern, options.output, options.name, options.verbose);
+    });
+
+  program
+    .command('watch')
+    .description('Watch files and generate types on changes')
+    .argument('<pattern>', 'File pattern to watch')
+    .option('-o, --output <directory>', 'Output directory for .d.ts files')
+    .option('-n, --name <name>', 'Root interface/type name')
+    .option('-v, --verbose', 'Show generated type definitions')
+    .action(async (pattern, options) => {
+      await watchFiles([pattern], options.output, options.name, options.verbose);
+    });
+
+  program
+    .option('-i, --input <pattern>', 'Input file pattern')
+    .option('-o, --output <directory>', 'Output directory')
+    .option('-n, --name <name>', 'Root interface/type name')
+    .option('-w, --watch', 'Watch for changes')
+    .option('-v, --verbose', 'Show generated type definitions')
+    .action(async (options) => {
+      if (!options.input) {
+        program.help();
+        return;
+      }
+
+      if (options.watch) {
+        await watchFiles([options.input], options.output, options.name, options.verbose);
+      } else {
+        await processGlobPattern(options.input, options.output, options.name, options.verbose);
+      }
+    });
+
+  return program;
+}
+
+export async function run(): Promise<void> {
+  const program = createCli();
+  program.parse();
+}