wehub-resource-sync
67 lines
1.8 KiB
TypeScript
67 lines
1.8 KiB
TypeScript
import {
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isTemplateV2FlowLayoutElement,
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isTemplateV2LayoutElement,
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type TemplateV2LayoutElement,
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} from "@/components/slide-editor/layout/LayoutToolbar";
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type RawRecord = Record<string, unknown>;
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export type ComponentLayoutElementTarget = {
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element: TemplateV2LayoutElement;
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elementPath: number[];
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};
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function asRecord(value: unknown): RawRecord | null {
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return value && typeof value === "object" && !Array.isArray(value)
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? (value as RawRecord)
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: null;
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}
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function childElements(element: RawRecord): unknown[] {
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if (Array.isArray(element.children)) return element.children;
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if (Array.isArray(element.elements)) return element.elements;
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if (asRecord(element.child)) return [element.child];
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if (asRecord(element.item)) return [element.item];
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return [];
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}
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export function findFirstComponentLayoutElement(
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elements: unknown[],
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parentPath: number[] = [],
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): ComponentLayoutElementTarget | null {
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return (
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findFirstComponentLayoutElementBy(
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elements,
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parentPath,
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isTemplateV2FlowLayoutElement,
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) ??
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findFirstComponentLayoutElementBy(
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elements,
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parentPath,
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isTemplateV2LayoutElement,
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)
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);
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}
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function findFirstComponentLayoutElementBy(
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elements: unknown[],
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parentPath: number[],
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predicate: (element: RawRecord) => element is TemplateV2LayoutElement,
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): ComponentLayoutElementTarget | null {
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for (let index = 0; index < elements.length; index += 1) {
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const element = asRecord(elements[index]);
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if (!element) continue;
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const elementPath = [...parentPath, index];
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if (predicate(element)) {
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return { element, elementPath };
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}
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const nested = findFirstComponentLayoutElementBy(
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childElements(element),
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elementPath,
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predicate,
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);
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if (nested) return nested;
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}
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return null;
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}
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