feat(api): swap arguments

CHANGELOG.md

@@ -12,11 +12,14 @@ we support - while secretly sneaking in some performance upgrades. Enjoy!
 - [choo-handbook/upgrading/4.0.0]()
 
 ### changes
-- slim down server side rendering API |
+- :exclamation: slim down server side rendering API |
   [issue](https://github.com/yoshuawuyts/choo/issues/191) |
   [pull-request](https://github.com/yoshuawuyts/choo/pull/203)
-- update router API to be lisp-like | [issue]() | [pull-request]()
-- update `router` to use thunking |
+- :exclamation: update router API to be lisp-like | [issue]() |
+  [pull-request]()
+- :exclamation: swap `state` and `data` argument order |
+  [issue](https://github.com/yoshuawuyts/choo/issues/179)
+- update `router` to use memoization |
   [issue](https://github.com/yoshuawuyts/sheet-router/issues/17) |
   [pull-request](https://github.com/yoshuawuyts/sheet-router/pull/34)
 - support inline anchor links |
@@ -27,8 +30,6 @@ we support - while secretly sneaking in some performance upgrades. Enjoy!
 - update router API to handle hashes by default
 - update `location` state to expose `search` parameters (query strings) |
   [issue](https://github.com/yoshuawuyts/sheet-router/issues/31)
-- swap `state` and `data` argument order |
-  [issue](https://github.com/yoshuawuyts/choo/issues/179)
 
 ## `3.2.0`
 Wooh, `plugins` are a first class citizen now thanks to the `.use()` API. It's

README.md

@@ -490,9 +490,9 @@ There are several `hooks` that are picked up by `choo`:
 - __onError(err, state, createSend):__ called when an `effect` or
   `subscription` emit an error. If no handler is passed, the default handler
   will `throw` on each error.
-- __onAction(action, state, name, caller, createSend):__ called when an
+- __onAction(state, data, name, caller, createSend):__ called when an
   `action` is fired.
-- __onStateChange(action, state, prev, caller, createSend):__ called after a
+- __onStateChange(state, data, prev, caller, createSend):__ called after a
   reducer changes the `state`.
 
 __:warning: Warning :warning:: plugins should only be used as a last resort.

package.json

@@ -36,7 +36,7 @@
   ],
   "license": "MIT",
   "dependencies": {
-    "barracks": "^8.1.1",
+    "barracks": "^9.0.0",
     "document-ready": "~1.0.2",
     "global": "^4.3.0",
     "hash-match": "^1.0.2",

tests/browser/basic.js

@@ -17,16 +17,16 @@ test('state is immutable', function (t) {
     state: state,
     namespace: 'test',
     reducers: {
-      'no-reducer-mutate': (action, state) => {
+      'no-reducer-mutate': (state, data) => {
         return {}
       },
-      'mutate-on-return': (action, state) => {
-        delete action.type
-        return action
+      'mutate-on-return': (state, data) => {
+        delete data.type
+        return data
       }
     },
     effects: {
-      'triggers-reducers': (action, state, send, done) => {
+      'triggers-reducers': (state, data, send, done) => {
         send('test:mutate-on-return', {beep: 'barp'}, done)
       }
     }

tests/browser/hooks.js

@@ -10,16 +10,16 @@ test('hooks', function (t) {
     onError: function (err) {
       t.equal(err.message, 'effect error', 'onError: receives err')
     },
-    onAction: function (action, state, name, caller, createSend) {
+    onAction: function (state, data, name, caller, createSend) {
       if (name === 'explodes') return
-      t.deepEqual(action, {foo: 'bar'}, 'onAction: action data')
+      t.deepEqual(data, {foo: 'bar'}, 'onAction: action data')
       t.equal(state.clicks, 0, 'onAction: current state: 0 clicks')
-      t.equal(name, 'click', 'onAction: action name')
+      t.equal(name, 'click', 'onAction: data name')
       t.equal(caller, 'view: /', 'onAction: caller name')
       t.equal(typeof createSend, 'function', 'onAction: createSend fn')
     },
-    onStateChange: function (action, state, prev, createSend) {
-      t.deepEqual(action, {foo: 'bar'}, 'onState: action data')
+    onStateChange: function (state, data, prev, createSend) {
+      t.deepEqual(data, {foo: 'bar'}, 'onState: action data')
       t.deepEqual(state.clicks, 1, 'onState: new state: 1 clicks')
       t.deepEqual(prev.clicks, 0, 'onState: prev state: 0 clicks')
     }
@@ -30,10 +30,10 @@ test('hooks', function (t) {
       clicks: 0
     },
     reducers: {
-      click: (action, state) => ({clicks: state.clicks + 1})
+      click: (state, data) => ({clicks: state.clicks + 1})
     },
     effects: {
-      explodes: (action, state, send, done) => {
+      explodes: (state, data, send, done) => {
         setTimeout(() => done(new Error('effect error')), 5)
       }
     }

tests/browser/routing.js

@@ -6,7 +6,7 @@ const view = require('../../html')
 
 test('routing', function (t) {
   t.test('history', function (t) {
-    t.plan(3)
+    t.plan(2)
 
     const history = Event()
     const choo = proxyquire('../..', {
@@ -20,11 +20,11 @@ test('routing', function (t) {
         user: null
       },
       reducers: {
-        set: (action, state) => ({user: action.id})
+        set: (state, data) => ({user: data.id})
       },
       effects: {
-        open: function (action, state, send, done) {
-          t.deepEqual(action, {id: 1})
+        open: function (state, data, send, done) {
+          t.deepEqual(data, {id: 1})
           send('set', {id: 1}, function (err) {
             if (err) return done(err)
             history.broadcast('/users/1')
@@ -75,10 +75,10 @@ test('routing', function (t) {
   //       user: null
   //     },
   //     reducers: {
-  //       set: (action, state) => ({user: action.id})
+  //       set: (state, data) => ({user: action.id})
   //     },
   //     effects: {
-  //       open: function (action, state, send, done) {
+  //       open: function (state, data, send, done) {
   //         send('set', {id: 1}, function (err) {
   //           if (err) return done(err)
   //           hash.broadcast('#users/1')