wehub-resource-sync
101 lines
2.5 KiB
TypeScript
101 lines
2.5 KiB
TypeScript
type RawRecord = Record<string, unknown>;
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export type LayoutItemStats = {
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canAdd: boolean;
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canRemove: boolean;
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children: unknown[];
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};
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export function layoutItemStats(element: RawRecord): LayoutItemStats {
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const { items: children } = layoutItemArrayInfo(element);
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return {
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canAdd: true,
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canRemove: children.length > 0,
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children,
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};
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}
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export function addLayoutItemChanges(element: RawRecord): RawRecord {
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const { key, items: children } = layoutItemArrayInfo(element);
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const nextChildren = [
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...children,
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cloneChildForAppend(
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children[children.length - 1] ?? defaultLayoutItem(),
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children.length,
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),
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];
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return childCountChanges(element, key, nextChildren);
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}
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export function removeLastLayoutItemChanges(element: RawRecord): RawRecord | null {
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const { key, items: children } = layoutItemArrayInfo(element);
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if (children.length === 0) return null;
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return childCountChanges(element, key, children.slice(0, -1));
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}
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function childCountChanges(
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element: RawRecord,
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key: "children" | "elements",
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children: unknown[],
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): RawRecord {
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return {
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[key]: children,
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max_children: Math.max(
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children.length,
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readNumber(element.max_children) ?? children.length,
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),
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min_children: Math.min(
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Math.max(0, readNumber(element.min_children) ?? 0),
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children.length,
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),
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};
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}
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function layoutItemArrayInfo(element: RawRecord): {
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key: "children" | "elements";
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items: unknown[];
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} {
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if (Array.isArray(element.children)) {
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return { key: "children", items: element.children };
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}
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if (Array.isArray(element.elements)) {
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return { key: "elements", items: element.elements };
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}
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return { key: "children", items: [] };
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}
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function cloneChildForAppend(child: unknown, index: number) {
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const cloned =
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child && typeof child === "object"
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? JSON.parse(JSON.stringify(child))
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: child;
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if (!cloned || typeof cloned !== "object" || Array.isArray(cloned)) {
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return cloned;
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}
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const next = { ...(cloned as RawRecord) };
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delete next.id;
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delete next.__presenton_manual_position;
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if (typeof next.name === "string") {
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next.name = `${next.name}_copy_${index + 1}`;
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}
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return next;
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}
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function defaultLayoutItem(): RawRecord {
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return {
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type: "text",
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position: { x: 0, y: 0 },
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size: { width: 1, height: 1 },
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runs: [{ text: "New item" }],
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font: {
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family: "Arial",
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size: 18,
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color: "#1A1A1A",
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},
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};
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}
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function readNumber(value: unknown) {
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return typeof value === "number" && Number.isFinite(value) ? value : null;
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}
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