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fix: pull isDefined functions from main so that this compiles

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This commit is contained in:
sighphyre 2022-06-29 10:38:51 +02:00
parent 48d2c74a3d
commit 16dbd7b30d
2 changed files with 11 additions and 0 deletions
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8
src/lib/util/isDefined.test.ts Normal file
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@ -0,0 +1,8 @@
import { isDefined } from './isDefined';
test('isDefined', () => {
expect(isDefined(null)).toEqual(false);
expect(isDefined(undefined)).toEqual(false);
expect(isDefined(0)).toEqual(true);
expect(isDefined(false)).toEqual(true);
});

3
src/lib/util/isDefined.ts Normal file
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export const isDefined = <T>(value: T | null | undefined): value is T => {
return value !== null && typeof value !== 'undefined';
};