message: Squish a Flow error in src/client.js
  Flow rightly complains that `schema` may be `null`.
diff: @@ -81,7 +81,9 @@ function _getAutocompleteSuggestions(
  try {
  const schema = schemaPath ? generateSchema(schemaPath) : null;
  - const resultArray = getAutocompleteSuggestions(schema, queryText, point);
  + const resultArray = schema
  + ? getAutocompleteSuggestions(schema, queryText, point)
  + : [];
  const resultObject = resultArray.reduce(
  (prev, cur, index) => {
  prev[index] = cur;
  