zapier convert: Create .gitignore for converted app

scaffold/convert/gitignore

@@ -0,0 +1,62 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Typescript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# environment variables file
+.env
+.environment
+
+# next.js build output
+.next

src/utils/convert.js

@@ -3,7 +3,7 @@ const path = require('path');
 const prettier = require('prettier');
 const stripComments = require('strip-comments');
 const { camelCase, snakeCase } = require('./misc');
-const { readFile, writeFile, ensureDir } = require('./files');
+const { copyFile, readFile, writeFile, ensureDir } = require('./files');
 const { printStarting, printDone } = require('./display');
 
 const TEMPLATE_DIR = path.join(__dirname, '../../scaffold/convert');
@@ -1004,6 +1004,15 @@ const writeScripting = (legacyApp, newAppDir) => {
   });
 };
 
+const writeGitIgnore = newAppDir => {
+  const srcPath = path.join(TEMPLATE_DIR, '/gitignore');
+  const destPath = path.join(newAppDir, '/.gitignore');
+  return copyFile(srcPath, destPath).then(() => {
+    printStarting('Writing .gitignore');
+    printDone();
+  });
+};
+
 const convertApp = (legacyApp, newAppDir) => {
   const promises = [];
   _.each(stepNamesMap, (cliType, wbType) => {
@@ -1019,6 +1028,7 @@ const convertApp = (legacyApp, newAppDir) => {
   promises.push(writeIndex(legacyApp, newAppDir));
   promises.push(writePackageJson(legacyApp, newAppDir));
   promises.push(writeScripting(legacyApp, newAppDir));
+  promises.push(writeGitIgnore(newAppDir));
 
   if (hasAuth(legacyApp)) {
     promises.push(writeAuth(legacyApp, newAppDir));

src/utils/files.js

@@ -146,5 +146,6 @@ module.exports = {
   readFile,
   removeDir,
   validateFileExists,
-  writeFile
+  writeFile,
+  copyFile
 };