use page lifecycle (#424)

* use page lifecycle

* fix eslint
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Nolan Lawson 2018-08-16 10:23:26 -07:00 committed by GitHub
parent 977380011d
commit b8863e684e
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3 changed files with 1270 additions and 1269 deletions

2527
package-lock.json generated

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@ -75,6 +75,7 @@
"npm-run-all": "^4.1.3", "npm-run-all": "^4.1.3",
"optimize-css-assets-webpack-plugin": "^5.0.0", "optimize-css-assets-webpack-plugin": "^5.0.0",
"p-any": "^1.1.0", "p-any": "^1.1.0",
"page-lifecycle": "^0.1.1",
"performance-now": "^2.1.0", "performance-now": "^2.1.0",
"pify": "^4.0.0", "pify": "^4.0.0",
"quick-lru": "^1.1.0", "quick-lru": "^1.1.0",

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@ -1,4 +1,8 @@
import { Store } from 'svelte/store' import { Store } from 'svelte/store'
let lifecycle
if (process.browser) {
lifecycle = require('page-lifecycle/dist/lifecycle.mjs').default
}
const LS = process.browser && localStorage const LS = process.browser && localStorage
@ -31,7 +35,12 @@ export class LocalStorageStore extends Store {
}) })
}) })
if (process.browser) { if (process.browser) {
window.addEventListener('beforeunload', () => this.save()) lifecycle.addEventListener('statechange', e => {
if (e.newState === 'passive') {
console.log('saving LocalStorageStore...')
this.save()
}
})
} }
} }