jotai-history/dist/withUndoableHistory.js

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import { atom } from 'jotai/vanilla';
import { REDO, RESET, UNDO } from './actions';
import { withHistory } from './withHistory';
import { withUndo } from './withUndo';
export function withUndoableHistory(targetAtom, limit) {
    const historyAtom = withPrivate(withHistory(targetAtom, limit));
    let undoAtom;
    if (isWritableAtom(targetAtom)) {
        // eslint-disable-next-line prefer-rest-params
        const getArgs = arguments[2] ?? Array.of;
        undoAtom = withPrivate(withUndo(historyAtom, targetAtom, limit, getArgs));
    }
    return atom((get) => Object.assign(get(historyAtom), isWritableAtom(targetAtom) ? get(undoAtom) : {}), (_, set, ...args) => {
        const [action] = args;
        if (action === RESET) {
            set(historyAtom, action);
            if (undoAtom) {
                set(undoAtom, action);
            }
        }
        else if (!isWritableAtom(targetAtom)) {
            return;
        }
        else if (action === UNDO || action === REDO) {
            set(undoAtom, action);
        }
        else {
            return set(targetAtom, ...args);
        }
    });
}
function isWritableAtom(atom) {
    return 'write' in atom;
}
function withPrivate(atom) {
    atom.debugPrivate = true;
    return atom;
}
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