next
Version:
The React Framework
24 lines (23 loc) • 850 B
JavaScript
export function compareRouterStates(a, b) {
const stateKeys = Object.keys(a);
if (stateKeys.length !== Object.keys(b).length) return false;
for(let i = stateKeys.length; i--;){
const key = stateKeys[i];
if (key === 'query') {
const queryKeys = Object.keys(a.query);
if (queryKeys.length !== Object.keys(b.query).length) {
return false;
}
for(let j = queryKeys.length; j--;){
const queryKey = queryKeys[j];
if (!b.query.hasOwnProperty(queryKey) || a.query[queryKey] !== b.query[queryKey]) {
return false;
}
}
} else if (!b.hasOwnProperty(key) || a[key] !== b[key]) {
return false;
}
}
return true;
}
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