Codestyle config option added

migration/README.md

@@ -12,6 +12,15 @@ where
 
 Notice that templates in `./path-to-templates` will be overwritten.
 
+## Codestyle config
+
+You can create json file with several
+[options](https://github.com/benjamn/recast/blob/52a7ec3eaaa37e78436841ed8afc948033a86252/lib/options.js#L1) that have recast.
+
+Using `config` option you can pass path to json config:
+
+`./migration/lib/index.js --input ./path-to-templates-dir --from 4 --to 8 --config ./codestyle-config.json`
+
 # Static Lint
 
 

migration/lib/index.js

@@ -29,6 +29,10 @@ var argv = require('yargs')
       default: false,
       alias: 'l'
     })
+    .option('config', {
+      describe: 'path to codestyle config for jscodeshift output',
+      alias: 'c'
+    })
     .help('h')
     .alias('help', 'h')
     .argv;
@@ -57,6 +61,18 @@ for (var i = 0; i < transformers.length; i++) {
   if (argv.lint)
     cmd.push('--lint=true');
 
+  if (argv.config) {
+    try {
+      var config = require(argv.config);
+    } catch(e) {
+      console.error('Error: cannot require config file from ' + argv.config);
+      console.error(e);
+      process.exit(1);
+    }
+
+    cmd.push('--config=' + argv.config);
+  }
+
   cmd = cmd.join(' ');
 
   execSync(cmd, { stdio: 'inherit', encoding: 'utf8' })

migration/lib/transformer.js

@@ -20,13 +20,18 @@ Transformer.prototype.run = function(file, api, opts) {
   var j = api.jscodeshift;
   var ret = this.find(file, j);
 
+  var config = require(opts.config);
+
+  if (!config.quote)
+    config.quote = 'single';
+
   if (opts.lint) {
     if (ret.length === 0) return;
     this.log(ret, file);
     return;
   }
 
-  return this.replace(ret, j).toSource({ quote: 'single' });
+  return this.replace(ret, j).toSource(config);
 };
 
 Transformer.prototype.log = function(ret, file) {