✨ (payloadWrapper) helpers to wrappe middlewar

helpers/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "trampss-redux-factory/helpers",
+  "private": true,
+  "main": "../helpers.js"
+}

misc/rollup.config.helpers.js

@@ -0,0 +1,27 @@
+import path from 'path'
+import fs from 'fs'
+import babel from 'rollup-plugin-babel'
+import commonjs from 'rollup-plugin-commonjs'
+import uglify from 'rollup-plugin-uglify'
+
+const pkg = JSON.parse(fs.readFileSync('./package.json'))
+const external = [
+  ...Object.keys(pkg.dependencies || {}),
+  ...Object.keys(pkg.peerDependencies || {}),
+]
+
+export default {
+  entry: pkg['jsnext:main'] || `src/${pkg.helpers}`,
+  dest: pkg.helpers,
+  sourceMap: path.resolve(pkg.helpers),
+  moduleName: pkg.amdName || pkg.name,
+  format: process.env.FORMAT || 'umd',
+  external,
+  plugins: [
+    babel(),
+    commonjs({
+      include: 'node_modules/**',
+    }),
+    uglify(),
+  ],
+}

package.json

@@ -1,7 +1,8 @@
 {
   "name": "trampss-redux-factory",
-  "version": "2.0.1",
+  "version": "2.1.0",
   "main": "index.js",
+  "helpers": "helpers.js",
   "license": "MIT",
   "peerDependencies": {
     "lodash": "^4.17.4"
@@ -34,7 +35,9 @@
   "scripts": {
     "lint:js": "eslint --ext js,jsx src",
     "lint": "npm-run-all --parallel lint:*",
-    "build": "cross-env NODE_ENV=build rollup -c ./misc/rollup.config.js",
+    "build:core": "cross-env NODE_ENV=build rollup -c ./misc/rollup.config.js",
+    "build:helpers": "cross-env NODE_ENV=build rollup -c ./misc/rollup.config.helpers.js",
+    "build": "npm-run-all --parallel build:*",
     "test": "jest",
     "coveralls": "jest --coverage && cat ./coverage/lcov.info | coveralls"
   },

src/__snapshots__/helpers.spec.js.snap

@@ -0,0 +1,41 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`helpers/payloadWrapper should not wrappe without wrapper function 1`] = `
+Object {
+  "action": Object {
+    "payload": "payload",
+    "type": "TYPE",
+  },
+  "state": Object {},
+}
+`;
+
+exports[`helpers/payloadWrapper should wrappe payload 1`] = `
+Object {
+  "action": Object {
+    "payload": "PAYLOAD WRAPPED !",
+    "type": "TYPE",
+  },
+  "state": Object {},
+}
+`;
+
+exports[`helpers/payloadWrapper should wrappe without type 1`] = `
+Object {
+  "action": Object {
+    "payload": "PAYLOAD WRAPPED !",
+    "type": "TYPE",
+  },
+  "state": Object {},
+}
+`;
+
+exports[`helpers/payloadWrapper should wrappe without type and wrapper function 1`] = `
+Object {
+  "action": Object {
+    "payload": "payload",
+    "type": "TYPE",
+  },
+  "state": Object {},
+}
+`;

src/helpers.js

@@ -0,0 +1,13 @@
+export const payloadWrapper = actionMatches => wrapper => () => () => (ctx) => {
+  const { payload, type } = ctx.action
+  if (!actionMatches || actionMatches.test(type)) {
+    return {
+      ...ctx,
+      action: {
+        ...ctx.action,
+        payload: wrapper ? wrapper(payload) : payload,
+      },
+    }
+  }
+  return ctx
+}

src/helpers.spec.js

@@ -0,0 +1,20 @@
+/* eslint-env jest */
+import { payloadWrapper } from './helpers'
+
+const ctx = {
+  action: {
+    payload: 'payload',
+    type: 'TYPE',
+  },
+  state: {},
+}
+
+const actionMatches = /TYPE/
+const wrapper = () => 'PAYLOAD WRAPPED !'
+
+describe('helpers/payloadWrapper', () => {
+  it('should wrappe without type and wrapper function', () => expect(payloadWrapper()()()()(ctx)).toMatchSnapshot())
+  it('should not wrappe without wrapper function', () => expect(payloadWrapper(actionMatches)()()()(ctx)).toMatchSnapshot())
+  it('should wrappe without type', () => expect(payloadWrapper()(wrapper)()()(ctx)).toMatchSnapshot())
+  it('should wrappe payload', () => expect(payloadWrapper(actionMatches)(wrapper)()()(ctx)).toMatchSnapshot())
+})