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only Main process tries to set state #30

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only Main process tries to set state #30

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e637c96
only Main process tries to set state
Mar 6, 2019
439d722
added throttle option to persisted-state
Nov 13, 2019
7091990
fixed misnamed variable
Dec 3, 2019
27a19cb
forgot to rebuild
michaeltotalsim Dec 9, 2019
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2 changes: 1 addition & 1 deletion dist/index.js
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2 changes: 1 addition & 1 deletion dist/persisted-state.js
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2 changes: 1 addition & 1 deletion dist/shared-mutations.js
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21 changes: 19 additions & 2 deletions src/persisted-state.js
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
import merge from "deepmerge"
import Store from "electron-store"

const SET_STATE_THROTTLE = 0
const STORAGE_NAME = "vuex"
const STORAGE_KEY = "state"
const STORAGE_TEST_KEY = "test"
Expand All @@ -14,6 +15,7 @@ class PersistedState {
loadOptions() {
if (!this.options.storage) this.options.storage = this.createStorage()
if (!this.options.storageKey) this.options.storageKey = STORAGE_KEY
if (!this.options.throttle) this.options.throttle = SET_STATE_THROTTLE

this.whitelist = this.loadFilter(this.options.whitelist, "whitelist")
this.blacklist = this.loadFilter(this.options.blacklist, "blacklist")
Expand All @@ -28,7 +30,8 @@ class PersistedState {
}

setState(state) {
this.options.storage.set(this.options.storageKey, state)
if (process.env.NODE_ENV === "test" || process.type === "browser")
this.options.storage.set(this.options.storageKey, state)
}

loadFilter(filter, name) {
Expand Down Expand Up @@ -89,11 +92,25 @@ class PersistedState {
}

subscribeOnChanges() {
let lastSetStateDate = 0;
let trailingEventTimeout = -1;

this.store.subscribe((mutation, state) => {
if (this.blacklist && this.blacklist(mutation)) return
if (this.whitelist && !this.whitelist(mutation)) return

this.setState(state)
if (this.options.throttle) {
const now = Date.now()
if (!lastSetStateDate || now > lastSetStateDate + this.options.throttle) {
lastSetStateDate = now
this.setState(state)
} else {
clearTimeout(trailingEventTimeout)
trailingEventTimeout = setTimeout(() => this.setState(state), this.options.throttle)
}
} else {
this.setState(state)
}
})
}
}
Expand Down