generated from Byndyusoft/node-typescript-template
/
lessThanOrEqualTo.ts
56 lines (53 loc) · 1.51 KB
/
lessThanOrEqualTo.ts
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/*
* Copyright 2023 Byndyusoft
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
buildMessage,
ValidateBy,
ValidationArguments,
ValidationOptions,
} from "class-validator";
import { Decimal } from "decimal.js";
const lessThanOrEqualTo = (
value: unknown,
maxValue: number | string,
): boolean => {
try {
return new Decimal(value as number | string).lessThanOrEqualTo(maxValue);
} catch {
return false;
}
};
export function LessThanOrEqualTo(
maxValue: number | string,
validationOptions?: ValidationOptions,
): PropertyDecorator {
return ValidateBy(
{
name: "lessThanOrEqualTo",
constraints: [maxValue],
validator: {
validate: (value, args: ValidationArguments): boolean =>
lessThanOrEqualTo(value, args.constraints[0]),
defaultMessage: buildMessage(
(eachPrefix) =>
`${eachPrefix}$property must be less or equal than $constraint1`,
validationOptions,
),
},
},
validationOptions,
);
}