feat(overmind): make rehydrate plain function

Author: christianalfoni

packages/node_modules/overmind/src/index.ts

@@ -79,6 +79,22 @@ export const MODE_SSR = Symbol('MODE_SSR')
 export const json = (obj: any) =>
   deepCopy(obj && obj[IS_PROXY] ? obj[VALUE] : obj)
 
+export const rehydrate = (state: object, mutations: IMutation[]) => {
+  mutations.forEach((mutation) => {
+    const pathArray = mutation.path.split('.')
+    const key = pathArray.pop()
+    const target = pathArray.reduce((aggr, key) => aggr[key], state)
+
+    if (mutation.method === 'set') {
+      target[key] = mutation.args[0]
+    } else if (mutation.method === 'unset') {
+      delete target[key]
+    } else {
+      target[key][mutation.method](...mutation.args)
+    }
+  })
+}
+
 export interface OvermindSSR<Config extends IConfiguration>
   extends Overmind<Config> {
   hydrate(): IMutation[]
@@ -716,21 +732,6 @@ export class Overmind<ThisConfig extends IConfiguration>
   addFlushListener = (cb: IFlushCallback) => {
     return this.proxyStateTree.onFlush(cb)
   }
-  rehydrate(state: object, mutations: IMutation[]) {
-    mutations.forEach((mutation) => {
-      const pathArray = mutation.path.split('.')
-      const key = pathArray.pop()
-      const target = pathArray.reduce((aggr, key) => aggr[key], state)
-
-      if (mutation.method === 'set') {
-        target[key] = mutation.args[0]
-      } else if (mutation.method === 'unset') {
-        delete target[key]
-      } else {
-        target[key][mutation.method](...mutation.args)
-      }
-    })
-  }
   reconfigure(configuration: IConfiguration) {
     const mergedConfiguration = {
       ...configuration,

packages/node_modules/overmind/src/ssr.test.ts

@@ -1,4 +1,10 @@
-import { createOvermindSSR, Overmind, IOnInitialize, IConfig } from './'
+import {
+  createOvermindSSR,
+  Overmind,
+  IOnInitialize,
+  IConfig,
+  rehydrate,
+} from './'
 import { IMutation } from 'proxy-state-tree'
 
 describe('Mock', () => {
@@ -53,7 +59,7 @@ describe('Mock', () => {
       foo: 'bar',
     }
     const onInitialize: OnInitialize = ({ state }, overmind) => {
-      overmind.rehydrate(state, mutations)
+      rehydrate(state, mutations)
     }
     const config = {
       onInitialize,

packages/overmind-website/examples/guide/serversiderendering/renderonclient.ts

@@ -4,12 +4,12 @@ export default (ts) =>
         {
           fileName: 'overmind/onInitialize.ts',
           code: `
-import { OnInitialize } from 'overmind'
+import { OnInitialize, rehydrate } from 'overmind'
 
-export const onInitialize: OnInitialize = ({ state }, overmind) => {
+export const onInitialize: OnInitialize = ({ state }) => {
   const mutations = window.__OVERMIND_MUTATIONS
 
-  overmind.rehydrate(state, mutations)
+  rehydrate(state, mutations)
 }
 `,
         },
@@ -18,10 +18,12 @@ export const onInitialize: OnInitialize = ({ state }, overmind) => {
         {
           fileName: 'overmind/onInitialize.js',
           code: `
-export const onInitialize = ({ state }, overmind) => {
+import { rehydrate } from 'overmind'
+
+export const onInitialize = ({ state }) => {
   const mutations = window.__OVERMIND_MUTATIONS
 
-  overmind.rehydrate(state, mutations)
+  rehydrate(state, mutations)
 }
 `,
         },