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refactor deserialization in persistState

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This commit is contained in:
David Lu 2015-09-10 23:46:33 -04:00
parent 3294864b7d
commit b4ea5c278e
1 changed files with 15 additions and 7 deletions
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22
src/persistState.js
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@ -4,9 +4,6 @@ export default function persistState(sessionId, stateDeserializer = null, action
}
function deserializeState(fullState) {
if (!fullState || typeof stateDeserializer !== 'function') {
return fullState;
}
return {
...fullState,
committedState: stateDeserializer(fullState.committedState),
@ -20,9 +17,6 @@ export default function persistState(sessionId, stateDeserializer = null, action
}
function deserializeActions(fullState) {
if (!fullState || typeof actionDeserializer !== 'function') {
return fullState;
}
return {
...fullState,
stagedActions: fullState.stagedActions.map((action) => {
@ -31,12 +25,26 @@ export default function persistState(sessionId, stateDeserializer = null, action
};
}
function deserialize(fullState) {
if (!fullState) {
return fullState;
}
let deserializedState = fullState;
if (typeof stateDeserializer === 'function') {
deserializedState = deserializeState(deserializedState);
}
if (typeof actionDeserializer === 'function') {
deserializedState = deserializeActions(deserializedState);
}
return deserializedState;
}
return next => (reducer, initialState) => {
const key = `redux-dev-session-${sessionId}`;
let finalInitialState;
try {
finalInitialState = deserializeActions(deserializeState(JSON.parse(localStorage.getItem(key)))) || initialState;
finalInitialState = deserialize(JSON.parse(localStorage.getItem(key))) || initialState;
next(reducer, initialState);
} catch (e) {
console.warn('Could not read debug session from localStorage:', e);