fix oboe for source location line

Author: mattkrick

src/FindGraphQLTags.ts

@@ -171,7 +171,7 @@ function getSourceLocationOffset(quasi: ts.TaggedTemplateExpression) {
   const pos = getTemplateNode(quasi).pos;
   const loc = quasi.getSourceFile().getLineAndCharacterOfPosition(pos);
   return {
-    line: loc.line,
+    line: loc.line + 1,
     column: loc.character + 1
   };
 }

test/FindGraphQLTags-test.ts

@@ -23,9 +23,16 @@ describe('FindGraphQLTags', () => {
             name
           }
         `,
-      sourceLocationOffset: { line: 4, column: 16 },
+      sourceLocationOffset: { line: 5, column: 16 },
     }])
   })
 
+  it('extracts a tag in line 1', () => {
+    expect(find(`graphql\`fragment TestModule_artist on Artist {name}\``)).toEqual([{
+      keyName: null,
+      template: `fragment TestModule_artist on Artist {name}`,
+      sourceLocationOffset: { line: 1, column: 8 },
+    }])
+  })
   // TODO: Cover all cases where tags are extracted
 })