feat(batch): support importing geojson files

lib/parameters.js

@@ -7,6 +7,7 @@ var _ = require('lodash');
 var minimist = require( 'minimist' );
 
 var peliasConfig = require( 'pelias-config' ).generate();
+const logger = require('pelias-logger').get('openaddresses-import');
 
 /**
  * Interprets the command-line arguments passed to the script.
@@ -99,7 +100,23 @@ function getFullFileList(peliasConfig, args) {
     return glob.sync( args.dirPath + '/**/*.{csv,geojson}' );
   } else {
     // otherwise return the requested files with full path
-    return files.map(function(file) {
+    return files.map(file => {
+
+      // remove file extension from source
+      const source = file.replace(/\.[^\/.]+$/, '');
+
+      // source definitions previously required a file extension.
+      // please remove file extensions from your ~/pelias.json file
+      // to silence these warning messages.
+      if (source !== file) {
+        logger.warn(`source definitions no longer require a file extension '${file}'`);
+      }
+
+      // search for files matching this source id, ending in either .geojson or .csv
+      const found = glob.sync(`${source}.{csv,geojson}`, { cwd: args.dirPath, absolute: true });
+      if (!_.isEmpty(found)) { return _.last(found); } // results are sorted, prefer .geojson
+
+      // no matching files were found, return a non-matching absolute path
       return path.join(args.dirPath, file);
     });
   }