#16 overwrite no-overwrite feature

Author: FrancoConci

cli.js

@@ -35,6 +35,7 @@ program
   .option('-b, --basedir <baseDir>', 'directory to use as the base when resolving local file references (defaults to OpenAPI file directory)')
   .option('-c, --curl', 'generate a curl scripts', false)
   .option('-s, --skipExistingFiles', 'skip existing files')
+  .option('-d, --deleteFolders <folderName>', 'directory names to be deleted, e.g. "auto"')
   .parse(process.argv);
 
 if (!openapiFile) {
@@ -49,7 +50,8 @@ generator.generate({
   templates: program.templates ? path.resolve(process.cwd(), program.templates) : undefined,
   curl: program.curl,
   template,
-  skipExistingFiles: program.skipExistingFiles
+  skipExistingFiles: program.skipExistingFiles,
+  deleteFolders: program.deleteFolders
 }).then(() => {
   console.log(green('Done! ✨'));
   console.log(yellow('Check out your shiny new API at ') + magenta(program.output) + yellow('.'));

lib/generator.js

@@ -14,12 +14,31 @@ const randomName = require('project-name-generator');
 const registerPartial = require('./register-partial');
 const bundler = require('./bundler');
 const yellow = text => `\x1b[33m${text}\x1b[0m`;
+const findRemoveSync = require('find-remove');
 
 const codegen = module.exports;
 
 const HELPERS_DIRNAME = '.helpers';
 const PARTIALS_DIRNAME = '.partials';
 
+/**
+ * Deletes all matching subfolders in target directory 
+ *
+ * @param   {Object}  config Configuration options
+ * @returns {Promise}
+ */
+const deleteFolders = config => new Promise((resolve, reject) => {
+  try {
+    if (config.deleteFolders) {
+      console.warn(yellow(`Deleting all subfolders named '${config.deleteFolders}' in ouput directory '${config.target_dir}'`));
+      findRemoveSync(config.target_dir, {dir: config.deleteFolders});
+    }
+    resolve();
+  } catch (e) {
+    reject(e);
+  }
+});
+
 /**
  * Generates a file.
  *
@@ -316,6 +335,7 @@ codegen.generate = config => new Promise((resolve, reject) => {
       config.templates = `${config.templates}/${config.template}`;
 
       async function start () {
+        await deleteFolders(config);
         await registerHelpers(config);
         await registerPartials(config);
         await generateDirectoryStructure(config);

package.json

@@ -47,6 +47,7 @@
   "homepage": "https://github.com/fmvilas/openapi3-generator",
   "dependencies": {
     "commander": "^2.12.2",
+    "find-remove": "^1.2.2",
     "fs.extra": "1.3.2",
     "handlebars": "^4.1.2",
     "js-yaml": "^3.13.1",