class-validator/esm2015/decorator/array/ArrayMinSize.js

Decorator-based property validation for classes.

import { buildMessage, ValidateBy } from '../common/ValidateBy';
export const ARRAY_MIN_SIZE = 'arrayMinSize';
/**
 * Checks if the array's length is greater than or equal to the specified number.
 * If null or undefined is given then this function returns false.
 */
export function arrayMinSize(array, min) {
    return Array.isArray(array) && array.length >= min;
}
/**
 * Checks if the array's length is greater than or equal to the specified number.
 * If null or undefined is given then this function returns false.
 */
export function ArrayMinSize(min, validationOptions) {
    return ValidateBy({
        name: ARRAY_MIN_SIZE,
        constraints: [min],
        validator: {
            validate: (value, args) => arrayMinSize(value, args.constraints[0]),
            defaultMessage: buildMessage(eachPrefix => eachPrefix + '$property must contain at least $constraint1 elements', validationOptions),
        },
    }, validationOptions);
}
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