@nestjs/common
Version:
Nest - modern, fast, powerful node.js web framework (@common)
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TypeScript
import { ArgumentMetadata, PipeTransform } from '../interfaces/features/pipe-transform.interface';
import { ErrorHttpStatusCode } from '../utils/http-error-by-code.util';
/**
* @publicApi
*/
export interface ParseBoolPipeOptions {
errorHttpStatusCode?: ErrorHttpStatusCode;
exceptionFactory?: (error: string) => any;
optional?: boolean;
}
/**
* Defines the built-in ParseBool Pipe
*
* @see [Built-in Pipes](https://docs.nestjs.com/pipes#built-in-pipes)
*
* @publicApi
*/
export declare class ParseBoolPipe implements PipeTransform<string | boolean, Promise<boolean>> {
protected readonly options?: ParseBoolPipeOptions;
protected exceptionFactory: (error: string) => any;
constructor(options?: ParseBoolPipeOptions);
/**
* Method that accesses and performs optional transformation on argument for
* in-flight requests.
*
* @param value currently processed route argument
* @param metadata contains metadata about the currently processed route argument
*/
transform(value: string | boolean, metadata: ArgumentMetadata): Promise<boolean>;
/**
* @param value currently processed route argument
* @returns `true` if `value` is said 'true', ie., if it is equal to the boolean
* `true` or the string `"true"`
*/
protected isTrue(value: string | boolean): boolean;
/**
* @param value currently processed route argument
* @returns `true` if `value` is said 'false', ie., if it is equal to the boolean
* `false` or the string `"false"`
*/
protected isFalse(value: string | boolean): boolean;
}