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metamask-extension/app/scripts/migrations/012.js
2017-03-23 10:15:59 -04:00

37 lines
776 B
JavaScript

const version = 12
/*
This migration modifies our notices to delete their body after being read.
*/
const clone = require('clone')
module.exports = {
version,
migrate: function (originalVersionedData) {
let versionedData = clone(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
newState.NoticeController.noticesList.forEach((notice) => {
if (notice.read) {
notice.body = ''
}
})
return newState
}