#MJS-18 added skip existing files

Author: FrancoConci

cli.js

@@ -34,6 +34,7 @@ program
   .option('-t, --templates <templateDir>', 'directory where templates are located (defaults to internal nodejs templates)')
   .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')
   .parse(process.argv);
 
 if (!openapiFile) {
@@ -48,7 +49,7 @@ generator.generate({
   templates: program.templates ? path.resolve(process.cwd(), program.templates) : undefined,
   curl: program.curl,
   template,
-}).then(() => {
+  skipExistingFiles: program.skipExistingFiles 
   console.log(green('Done! ✨'));
   console.log(yellow('Check out your shiny new API at ') + magenta(program.output) + yellow('.'));
 }).catch(err => {

lib/generator.js

@@ -13,6 +13,7 @@ const xfs = require('fs.extra');
 const randomName = require('project-name-generator');
 const registerPartial = require('./register-partial');
 const bundler = require('./bundler');
+const yellow = text => `\x1b[33m${text}\x1b[0m`;
 
 const codegen = module.exports;
 
@@ -46,10 +47,19 @@ const generateFile = options => new Promise((resolve, reject) => {
       const parsed_content = template(data);
       const template_path = path.relative(templates_dir, path.resolve(root, file_name));
       const generated_path = path.resolve(target_dir, template_path).replace(/.hbs$/, '');
-      fs.writeFile(generated_path, parsed_content, 'utf8', (err) => {
-        if (err) return reject(err);
+      // WIP check here for existing?
+      const skipFile = data.skipExistingFiles && fs.existsSync(generated_path);
+      if (!skipFile) {
+        fs.writeFile(generated_path, parsed_content, 'utf8', (err) => {
+          if (err) return reject(err);
+          resolve();
+        });
+      }
+      else {
+        console.warn(yellow(`Skipping file: ${generated_path}`));
         resolve();
-      });
+      }
+      
     } catch (e) {
       reject(e);
     }