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metamask-extension/app/scripts/migrations/020.js
Mark Stacey 398a45bfdd
Replace clone dependency with cloneDeep from lodash (#7926)
This was done to reduce the number of direct dependencies we have. It
should be functionally equivalent. The bundle size should not change,
as we use `clone` as a transitive dependency in a number of places.
2020-01-29 13:14:33 -04:00

42 lines
912 B
JavaScript

const version = 20
/*
This migration ensures previous installations
get a `firstTimeInfo` key on the metamask state,
so that we can version notices in the future.
*/
import { cloneDeep } from 'lodash'
export default {
version,
migrate: function (originalVersionedData) {
const versionedData = cloneDeep(originalVersionedData)
versionedData.meta.version = version
try {
const state = versionedData.data
const newState = transformState(state)
versionedData.data = newState
} catch (err) {
console.warn(`MetaMask Migration #${version}` + err.stack)
}
return Promise.resolve(versionedData)
},
}
function transformState (state) {
const newState = state
if ('metamask' in newState &&
!('firstTimeInfo' in newState.metamask)) {
newState.metamask.firstTimeInfo = {
version: '3.12.0',
date: Date.now(),
}
}
return newState
}