Filter Error positions where locations do not exist.

leebyron · leebyron · commit 146621b2989c · 2016-10-10T14:00:17.000-04:00
Fixes #507
diff --git a/src/error/GraphQLError.js b/src/error/GraphQLError.js
@@ -103,7 +103,7 @@ export function GraphQLError( // eslint-disable-line no-redeclare
 
   let _positions = positions;
   if (!_positions && nodes) {
-    _positions = nodes.filter(node => node.loc !== null)
+    _positions = nodes.filter(node => Boolean(node.loc))
       .map(node => node.loc.start);
   }
   if (_positions && _positions.length === 0) {

Original file line number	Diff line number	Diff line change
`@@ -103,7 +103,7 @@ export function GraphQLError( // eslint-disable-line no-redeclare`
`103`	`103`
`104`	`104`	`let _positions = positions;`
`105`	`105`	`if (!_positions && nodes) {`
`106`		`- _positions = nodes.filter(node => node.loc !== null)`
	`106`	`+ _positions = nodes.filter(node => Boolean(node.loc))`
`107`	`107`	`.map(node => node.loc.start);`
`108`	`108`	`}`
`109`	`109`	`if (_positions && _positions.length === 0) {`