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8 changes: 5 additions & 3 deletions docs/guide/data.md
Original file line number Diff line number Diff line change
Expand Up @@ -240,6 +240,8 @@ export default {

// Server-side only
serverPrefetch () {
// register store module on server-side and dont preserve state at current step,
// since module foo's state has not been initiated yet.
this.registerFoo()
return this.fooInc()
},
Expand All @@ -251,7 +253,7 @@ export default {
const alreadyIncremented = !!this.$store.state.foo

// We register the foo module
this.registerFoo()
this.registerFoo(true)

if (!alreadyIncremented) {
this.fooInc()
Expand All @@ -265,9 +267,9 @@ export default {
},

methods: {
registerFoo () {
registerFoo (shoudPreserve = false) {
// Preserve the previous state if it was injected from the server
this.$store.registerModule('foo', fooStoreModule, { preserveState: true })
this.$store.registerModule('foo', fooStoreModule, { preserveState: shoudPreserve })
},

fooInc () {
Expand Down