@eddaic/nestjs-decorators/string/transformer/to-lower.transformer.js

Additional decorators intended for use with NestJS framework.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.toLower = toLower;
exports.ToLower = ToLower;
const class_transformer_1 = require("class-transformer");
const class_validator_1 = require("class-validator");
function toLower(value) {
    if ((0, class_validator_1.isString)(value)) {
        return value.toLowerCase();
    }
    else {
        return null;
    }
}
/**
 * Removes the leading and trailing white space and line terminator characters from string input.
 *
 * Null is returned if the value is not a string.
 * @returns
 */
function ToLower(options) {
    return (0, class_transformer_1.Transform)(({ value }) => toLower(value), options);
}