miniprogram/miniprogram_npm/@vant/weapp/common/relation.js

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.useChildren = exports.useParent = void 0;
function useParent(name, onEffect) {
    var _a;
    var path = "../".concat(name, "/index");
    return {
        relations: (_a = {},
            _a[path] = {
                type: 'ancestor',
                linked: function () {
                    onEffect && onEffect.call(this);
                },
                linkChanged: function () {
                    onEffect && onEffect.call(this);
                },
                unlinked: function () {
                    onEffect && onEffect.call(this);
                },
            },
            _a),
        mixin: Behavior({
            created: function () {
                var _this = this;
                Object.defineProperty(this, 'parent', {
                    get: function () { return _this.getRelationNodes(path)[0]; },
                });
                Object.defineProperty(this, 'index', {
                    // @ts-ignore
                    get: function () { var _a, _b; return (_b = (_a = _this.parent) === null || _a === void 0 ? void 0 : _a.children) === null || _b === void 0 ? void 0 : _b.indexOf(_this); },
                });
            },
        }),
    };
}
exports.useParent = useParent;
function useChildren(name, onEffect) {
    var _a;
    var path = "../".concat(name, "/index");
    return {
        relations: (_a = {},
            _a[path] = {
                type: 'descendant',
                linked: function (target) {
                    onEffect && onEffect.call(this, target);
                },
                linkChanged: function (target) {
                    onEffect && onEffect.call(this, target);
                },
                unlinked: function (target) {
                    onEffect && onEffect.call(this, target);
                },
            },
            _a),
        mixin: Behavior({
            created: function () {
                var _this = this;
                Object.defineProperty(this, 'children', {
                    get: function () { return _this.getRelationNodes(path) || []; },
                });