@dnb/eufemia
Version:
DNB Eufemia Design System UI Library
39 lines (38 loc) • 1.22 kB
JavaScript
"use client";
import { useContext, useMemo } from 'react';
import pointer from '../../utils/json-pointer';
import DataContext from '../../DataContext/Context';
import useDataContextSnapshot from './useDataContextSnapshot';
export default function useHasContentChanged() {
let {
enabled = false
} = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
const {
internalDataRef
} = useContext(DataContext);
const {
snapshotRef
} = useDataContextSnapshot({
enabled
});
const data = internalDataRef === null || internalDataRef === void 0 ? void 0 : internalDataRef.current;
const snapshot = snapshotRef === null || snapshotRef === void 0 ? void 0 : snapshotRef.current;
const hasContentChanged = useMemo(() => {
if (!data || !snapshot) {
return undefined;
}
let hasChanged = false;
pointer.walk(data, (value, path) => {
const exists = pointer.has(snapshot, path);
if (!exists || exists && pointer.get(snapshot, path) !== value) {
hasChanged = true;
return false;
}
});
return hasChanged;
}, [data, snapshot]);
return {
hasContentChanged
};
}
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