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12 lines
333 B
TypeScript
12 lines
333 B
TypeScript
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type ElementWithId = { id: string };
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export const mergeAndDeduplicate = <T extends ElementWithId>(
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...elements: T[][]
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): T[] =>
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elements
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.reduce((acc, val) => acc.concat(val), [])
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.filter(
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(element, index, self) =>
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index === self.findIndex((t) => t.id === element.id),
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);
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