27 lines
710 B
TypeScript
27 lines
710 B
TypeScript
import { Container } from 'typedi';
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import { License } from '@/License';
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export function isSharingEnabled(): boolean {
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return Container.get(License).isSharingEnabled();
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}
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// return the difference between two arrays
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export function rightDiff<T1, T2>(
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[arr1, keyExtractor1]: [T1[], (item: T1) => string],
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[arr2, keyExtractor2]: [T2[], (item: T2) => string],
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): T2[] {
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// create map { itemKey => true } for fast lookup for diff
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const keyMap = arr1.reduce<{ [key: string]: true }>((map, item) => {
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map[keyExtractor1(item)] = true;
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return map;
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}, {});
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// diff against map
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return arr2.reduce<T2[]>((acc, item) => {
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if (!keyMap[keyExtractor2(item)]) {
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acc.push(item);
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}
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return acc;
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}, []);
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}
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