30 lines
556 B
JavaScript
30 lines
556 B
JavaScript
|
// next version number
|
||
|
|
const version = 0
|
||
|
|
|
||
|
|
/*
|
||
|
|
|
||
|
|
description of migration and what it does
|
||
|
|
|
||
|
|
*/
|
||
|
|
|
||
|
|
const clone = require('clone')
|
||
|
|
|
||
|
|
module.exports = {
|
||
|
|
version,
|
||
|
|
|
||
|
|
migrate: async function (originalVersionedData) {
|
||
|
|
const versionedData = clone(originalVersionedData)
|
||
|
|
versionedData.meta.version = version
|
||
|
|
const state = versionedData.data
|
||
|
|
const newState = transformState(state)
|
||
|
|
versionedData.data = newState
|
||
|
|
return versionedData
|
||
|
|
},
|
||
|
|
}
|
||
|
|
|
||
|
|
function transformState (state) {
|
||
|
|
const newState = state
|
||
|
|
// transform state here
|
||
|
|
return newState
|
||
|
|
}
|