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25 lines
915 B
TypeScript
25 lines
915 B
TypeScript
import { LayoutItem } from './types';
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type ItemItemCallback = (itemIndex: number, item: LayoutItem, parent: LayoutItem)=> boolean;
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// Callback should return `true` if iteration should continue, or `false` if it
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// should stop
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export default function iterateItems(layout: LayoutItem, callback: ItemItemCallback) {
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const result = callback(0, layout, null);
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if (result === false) return;
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// eslint-disable-next-line @typescript-eslint/ban-types -- Old code before rule was applied
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function recurseFind(item: LayoutItem, callback: Function): boolean {
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if (item.children) {
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for (let childIndex = 0; childIndex < item.children.length; childIndex++) {
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const child = item.children[childIndex];
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if (callback(childIndex, child, item) === false) return false;
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if (recurseFind(child, callback) === false) return false;
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}
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}
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return true;
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}
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if (recurseFind(layout, callback) === false) return;
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}
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