@formily/reactive/esm/annotations/shallow.js

> Web Reactive Library Like Mobx

import { createAnnotation, createObservable } from '../internals';
import { bindTargetKeyWithCurrentReaction, runReactionsFromTargetKey, } from '../reaction';
export var shallow = createAnnotation(function (_a) {
    var target = _a.target, key = _a.key, value = _a.value;
    var store = {
        value: createObservable(target, key, target ? target[key] : value, true),
    };
    function get() {
        bindTargetKeyWithCurrentReaction({
            target: target,
            key: key,
            type: 'get',
        });
        return store.value;
    }
    function set(value) {
        var oldValue = store.value;
        value = createObservable(target, key, value, true);
        store.value = value;
        if (oldValue === value)
            return;
        runReactionsFromTargetKey({
            target: target,
            key: key,
            type: 'set',
            oldValue: oldValue,
            value: value,
        });
    }
    if (target) {
        Object.defineProperty(target, key, {
            set: set,
            get: get,
            enumerable: true,
            configurable: false,
        });
        return target;
    }
    return store.value;
});
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