Run spell checker on all JS files

Replicates graphql/graphql-js@84d05fc

Most typos had already been fixed here.

Author: Cito

graphql/language/block_string_value.py

@@ -4,7 +4,7 @@
 def block_string_value(raw_string: str) -> str:
     """Produce the value of a block string from its parsed raw value.
 
-    Similar to Coffeescript's block string, Python's docstring trim or
+    Similar to CoffeeScript's block string, Python's docstring trim or
     Ruby's strip_heredoc.
 
     This implements the GraphQL spec's BlockStringValue() static algorithm.

tests/execution/test_executor.py

@@ -589,7 +589,7 @@ class Data:
         assert query_result == ({'a': 'b'}, None)
 
     def does_not_include_illegal_fields_in_output():
-        doc = 'mutation M { thisIsIllegalDontIncludeMe }'
+        doc = 'mutation M { thisIsIllegalDoNotIncludeMe }'
         ast = parse(doc)
         schema = GraphQLSchema(
             GraphQLObjectType('Q', {'a': GraphQLField(GraphQLString)}),

tests/validation/test_known_argument_names.py

@@ -88,7 +88,7 @@ def directive_args_are_known():
             }
             """)
 
-    def undirective_args_are_invalid():
+    def field_args_are_invalid():
         expect_fails_rule(KnownArgumentNamesRule, """
             {
               dog @skip(unless: true)