22 lines
860 B
TypeScript
22 lines
860 B
TypeScript
import { IFile } from './interfaces';
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/**
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* Interface describing FileValidators, which can be added to a ParseFilePipe
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*
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* @see {ParseFilePipe}
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* @publicApi
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*/
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export declare abstract class FileValidator<TValidationOptions = Record<string, any>, TFile extends IFile = IFile> {
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protected readonly validationOptions: TValidationOptions;
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constructor(validationOptions: TValidationOptions);
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/**
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* Indicates if this file should be considered valid, according to the options passed in the constructor.
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* @param file the file from the request object
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*/
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abstract isValid(file?: TFile | TFile[] | Record<string, TFile[]>): boolean | Promise<boolean>;
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/**
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* Builds an error message in case the validation fails.
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* @param file the file from the request object
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*/
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abstract buildErrorMessage(file: any): string;
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}
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