limu/lib/core/limu-meta.js

A fast js lib of immutable data, based on shallow copy on read and mark modified on write mechanism

import { limuKey } from '../support/symbols';
/**
 * 方便 finishDraft 时 copy 对象也能够移除 limuData
 * @param copy
 * @param meta
 */
export function recordCopyRef(copy, meta) {
    if (copy[limuKey]) {
        copy[limuKey].c = meta.copy;
    }
}
export function assignCopyToMeta(copy, meta) {
    meta.copy = copy;
    recordCopyRef(copy, meta);
}