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Merge pull request #78 from FredyC/persist-state-serialization

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custom parsers for persistState
This commit is contained in:
Dan Abramov 2015-09-03 16:17:33 +03:00
commit 52bd8c0d7c
1 changed files with 18 additions and 2 deletions
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20
src/persistState.js
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@ -1,14 +1,30 @@
export default function persistState(sessionId) {
export default function persistState(sessionId, deserializer = null) {
if (!sessionId) {
return next => (...args) => next(...args);
}
function deserializeState(fullState) {
if (!fullState || typeof deserializer !== 'function') {
return fullState;
}
return {
...fullState,
committedState: deserializer(fullState.committedState),
computedStates: fullState.computedStates.map((computedState) => {
return {
...computedState,
state: deserializer(computedState.state)
};
})
};
}
return next => (reducer, initialState) => {
const key = `redux-dev-session-${sessionId}`;
let finalInitialState;
try {
finalInitialState = JSON.parse(localStorage.getItem(key)) || initialState;
finalInitialState = deserializeState(JSON.parse(localStorage.getItem(key))) || initialState;
next(reducer, initialState);
} catch (e) {
console.warn('Could not read debug session from localStorage:', e);