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50 lines
1.3 KiB
50 lines
1.3 KiB
// @flow |
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/* |
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autoMergeLevel1: |
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- merges 1 level of substate |
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- skips substate if already modified |
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*/ |
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import type { PersistConfig } from '../types' |
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export default function autoMergeLevel1<State: Object>( |
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inboundState: State, |
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originalState: State, |
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reducedState: State, |
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{ debug }: PersistConfig |
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): State { |
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let newState = { ...reducedState } |
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// only rehydrate if inboundState exists and is an object |
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if (inboundState && typeof inboundState === 'object') { |
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Object.keys(inboundState).forEach(key => { |
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// ignore _persist data |
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if (key === '_persist') return |
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// if reducer modifies substate, skip auto rehydration |
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if (originalState[key] !== reducedState[key]) { |
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if (process.env.NODE_ENV !== 'production' && debug) |
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console.log( |
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'redux-persist/stateReconciler: sub state for key `%s` modified, skipping.', |
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key |
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) |
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return |
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} |
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// otherwise hard set the new value |
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newState[key] = inboundState[key] |
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}) |
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} |
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if ( |
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process.env.NODE_ENV !== 'production' && |
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debug && |
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inboundState && |
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typeof inboundState === 'object' |
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) |
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console.log( |
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`redux-persist/stateReconciler: rehydrated keys '${Object.keys( |
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inboundState |
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).join(', ')}'` |
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) |
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return newState |
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}
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