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