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Safely parse numbers from environment vars

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This adds the function parseOptionalInt to help parse numbers
from environment variables

Signed-off-by: David Mehren <git@herrmehren.de>
This commit is contained in:
David Mehren 2021-04-29 15:34:59 +02:00
parent 36e721d4a9
commit 52f6310e91
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GPG key ID: 185982BA4C42B7C3
5 changed files with 23 additions and 8 deletions
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9
src/config/utils.spec.ts
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@ -6,6 +6,7 @@
import {
needToLog,
parseOptionalInt,
replaceAuthErrorsWithEnvironmentVariables,
toArrayConfig,
} from './utils';
@ -84,4 +85,12 @@ describe('config utils', () => {
expect(needToLog(currentLevel, Loglevel.TRACE)).toBeTruthy();
});
});
describe('parseOptionalInt', () => {
it('returns undefined on undefined parameter', () => {
expect(parseOptionalInt(undefined)).toEqual(undefined);
});
it('correctly parses a string', () => {
expect(parseOptionalInt('42')).toEqual(42);
});
});
});