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Alice T'Poteat
14 lines
486 B
TypeScript
14 lines
486 B
TypeScript
/**
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* A rendered tree node's children as the element table built them, or
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* none for a string, a null, or a childless element.
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*
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* @param node an element, a string child, or anything else
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* @returns the children array, possibly empty
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*/
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export function childrenOf(node: unknown): readonly unknown[] {
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const isElement = typeof node === 'object' && node !== null
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const held: unknown = isElement ? Reflect.get(node, 'children') : null
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return Array.isArray(held) ? held : []
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}
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