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| export function useParent(name, onEffect) {
| const path = `../${name}/index`;
| return {
| relations: {
| [path]: {
| type: 'ancestor',
| linked() {
| onEffect && onEffect.call(this);
| },
| linkChanged() {
| onEffect && onEffect.call(this);
| },
| unlinked() {
| onEffect && onEffect.call(this);
| },
| },
| },
| mixin: Behavior({
| created() {
| Object.defineProperty(this, 'parent', {
| get: () => this.getRelationNodes(path)[0],
| });
| Object.defineProperty(this, 'index', {
| // @ts-ignore
| get: () => {
| var _a, _b;
| return (_b =
| (_a = this.parent) === null || _a === void 0
| ? void 0
| : _a.children) === null || _b === void 0
| ? void 0
| : _b.indexOf(this);
| },
| });
| },
| }),
| };
| }
| export function useChildren(name, onEffect) {
| const path = `../${name}/index`;
| return {
| relations: {
| [path]: {
| type: 'descendant',
| linked(target) {
| onEffect && onEffect.call(this, target);
| },
| linkChanged(target) {
| onEffect && onEffect.call(this, target);
| },
| unlinked(target) {
| onEffect && onEffect.call(this, target);
| },
| },
| },
| mixin: Behavior({
| created() {
| Object.defineProperty(this, 'children', {
| get: () => this.getRelationNodes(path) || [],
| });
| },
| }),
| };
| }
|
|
