Add babel-jest tests

.babelrc

@@ -0,0 +1,3 @@
+{
+  "presets": ["env", "flow"]
+}

package.json

@@ -14,6 +14,7 @@
     "lint": "eslint .",
     "prebuild": "rm -rf dist/ && flow",
     "build": "[ \"$WATCH\" == 'true' ] && rollup -cw || rollup -c",
+    "test": "jest",
     "watch": "WATCH=true yarn build",
     "prepublish": "yarn build"
   },
@@ -30,15 +31,17 @@
   "dependencies": {},
   "devDependencies": {
     "babel-core": "^6.26.0",
+    "babel-jest": "^22.4.3",
     "babel-plugin-external-helpers": "^6.18.0",
     "babel-preset-env": "^1.6.1",
+    "babel-preset-flow": "^6.23.0",
     "eslint": "^4.19.1",
     "eslint-config-mixmax": "^1.0.0",
     "eslint-plugin-flowtype": "^2.46.1",
     "flow-bin": "^0.69.0",
+    "jest": "^22.4.3",
     "rollup": "^0.57.1",
     "rollup-plugin-babel": "^2.6.1",
-    "rollup-plugin-flow": "^1.1.1",
     "rollup-plugin-node-resolve": "^2.0.0"
   }
 }

rollup.config.js

@@ -1,24 +1,21 @@
 import babel from 'rollup-plugin-babel';
 import nodeResolve from 'rollup-plugin-node-resolve';
 
-const flow = require('rollup-plugin-flow');
 const pkg = require('./package.json');
 
-const presets = [[
-  'env',
-  {
-    modules: false
-  }
-]];
+const presets = [
+  ['env', { modules: false }],
+  'flow'
+];
 
 export default {
   input: 'src/browser/index.js',
   plugins: [
-    flow(),
     nodeResolve({
       browser: true,
     }),
     babel({
+      babelrc: false,
       presets,
       plugins: [
         'external-helpers'

spec/browser/index.test.js

@@ -0,0 +1,9 @@
+import Frecency from '../../src/browser';
+
+describe('frecency', () => {
+  describe('#save', () => {
+    it('should work.', () => {
+      expect(true).toBe(true);
+    });
+  });
+});

src/browser/types.js

@@ -48,7 +48,7 @@ export type FrecencyOptions = {
   resourceType: string,
   timestampsLimit: number,
   recentSelectionsLimit: number,
-  idAttribute: number
+  idAttribute: string
 };
 
 export type SaveParams = {
@@ -58,6 +58,5 @@ export type SaveParams = {
 
 export type SortParams = {
   searchQuery: string,
-  results: Object[],
-  idAttribute: string
+  results: Object[]
 };