@winglet/react-utils/dist/hooks/useSnapshot.cjs

React utility library providing custom hooks, higher-order components (HOCs), and utility functions to enhance React application development with improved reusability and functionality

'use strict';

var react = require('react');
var filter = require('@winglet/common-utils/filter');
var lib = require('@winglet/common-utils/lib');
var object = require('@winglet/common-utils/object');

const useSnapshot = (input, omit) => {
    const snapshotRef = useSnapshotReference(input, omit);
    return snapshotRef.current;
};
const useSnapshotReference = (input, omit) => {
    const snapshotRef = react.useRef(input);
    const typeRef = react.useRef(lib.getTypeTag(input));
    const omitRef = react.useRef(omit && (omit instanceof Set ? omit : new Set(omit)));
    return react.useMemo(() => {
        if ((typeRef.current === lib.getTypeTag(input) && isEmpty(input)) ||
            object.equals(snapshotRef.current, input, omitRef.current))
            return snapshotRef;
        snapshotRef.current = input;
        return snapshotRef;
    }, [input]);
};
const isEmpty = (value) => {
    if (!value)
        return true;
    else if (filter.isObject(value)) {
        for (const _ in value)
            return false;
        return true;
    }
    else
        return false;
};

exports.useSnapshot = useSnapshot;
exports.useSnapshotReference = useSnapshotReference;