only true or 1 is valid

helper/geojsonify.js

@@ -12,7 +12,7 @@ function search( docs, details ){
     return false; // remove offending doc from results
   }
 
-  details = details || false;
+  details = details === true || details === 1;
 
   // flatten & expand data for geojson conversion
   var geodata = docs.map( function( doc ){

test/unit/helper/geojsonify.js

@@ -178,7 +178,7 @@ module.exports.tests.search = function(test, common) {
     ]
   };
 
-  var truthy_params = [true, 1, -1, 123, 'abc'];
+  var truthy_params = [true, 1];
 
   test('geojsonify.search(doc, true) with details', function(t) {
     var json = geojsonify.search( input, true );
@@ -252,7 +252,7 @@ module.exports.tests.search = function(test, common) {
     t.end();
   });
 
-  var falsy_params = [false, undefined, null, 0 ];
+  var falsy_params = [false, undefined, null, 0, -1, 123, 'abc'];
 
   falsy_params.forEach(function(details) {
     test('geojsonify.search(doc, '+ details +') with no details', function(t) {