fix(flow): add flowtype tests (#67)

.flowconfig

@@ -9,5 +9,6 @@
 [lints]
 
 [options]
+suppress_comment=\\(.\\|\n\\)*\\$FlowFixMe
 
 [strict]

package.json

@@ -15,7 +15,7 @@
     "test": "NODE_ENV='test' jest --coverage",
     "test:watch": "npm run test -- --watch",
     "flow": "flow",
-    "flow-coverage": "hsu-scripts flow --threshold 66",
+    "flow-coverage": "hsu-scripts flow --threshold 71",
     "eslint": "eslint ./",
     "format": "prettier --write '**/*.{js,json,md,css,yaml,yml}' '*.{js,json,md,css,yaml,yml}'",
     "changelog": "conventional-changelog --infile ./CHANGELOG.md --same-file --release-count 0 --output-unreleased"
@@ -48,7 +48,8 @@
     "testPathIgnorePatterns": [
       "<rootDir>/node_modules/",
       "<rootDir>/lib/",
-      "<rootDir>/es/"
+      "<rootDir>/es/",
+      "<rootDir>/src/__tests__/flow.test.js"
     ],
     "resetMocks": true,
     "resetModules": true

src/__tests__/flow.test.js

@@ -0,0 +1,29 @@
+// @flow
+import { loader, gql } from '../index';
+
+// $FlowFixMe number [1] is incompatible with  string
+export const loaderWithNumber = loader(3);
+export const loaderWithString = loader('./fixtures/query3.graphql');
+
+export const PostFragment = gql`
+  fragment Post on PostType {
+    title
+    date
+  }
+`;
+export const queryWithFragment = gql`
+  query User {
+    posts(id: 5) {
+      lastName
+      ...PostFragment
+    }
+  }
+  ${PostFragment}
+`;
+export const queryWithoutFragment = gql`
+  query User {
+    posts(id: 5) {
+      lastName
+    }
+  }
+`;

src/index.js

@@ -13,4 +13,5 @@ export type TemplateStringsArray = $ReadOnlyArray<string>;
 export const loader = (filePath: string): DocumentNode => ({}: DocumentNode);
 export const gql = (
   taggedTemplateLiteral: TemplateStringsArray,
+  ...placeholders: any[]
 ): DocumentNode => ({}: DocumentNode);