00a3c8ca2b
* Change to using arrow functions Co-authored-by: v1b3m <vibenjamin6@gmail.com> Co-authored-by: Matheus <matheus_benini@hotmail.com> * Add lint rule --------- Co-authored-by: v1b3m <vibenjamin6@gmail.com> Co-authored-by: Matheus <matheus_benini@hotmail.com> Co-authored-by: Charles Bochet <charles@twenty.com>
28 lines
600 B
TypeScript
28 lines
600 B
TypeScript
import { HttpException } from '@nestjs/common';
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type Assert = (
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condition: unknown,
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message?: string,
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ErrorType?: new (message?: string) => HttpException,
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) => asserts condition;
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/**
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* assert condition and throws a HttpException
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*/
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export const assert: Assert = (condition, message, ErrorType) => {
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if (!condition) {
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if (ErrorType) {
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if (message) {
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throw new ErrorType(message);
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}
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throw new ErrorType();
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}
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throw new Error(message);
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}
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};
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export const assertNotNull = <T>(item: T): item is NonNullable<T> =>
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item !== null && item !== undefined;
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