@nestjs/common/pipes/file/max-file-size.validator.js

Nest - modern, fast, powerful node.js web framework (@common)

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MaxFileSizeValidator = void 0;
const file_validator_interface_1 = require("./file-validator.interface");
/**
 * Defines the built-in MaxSize File Validator
 *
 * @see [File Validators](https://docs.nestjs.com/techniques/file-upload#file-validation)
 *
 * @publicApi
 */
class MaxFileSizeValidator extends file_validator_interface_1.FileValidator {
    buildErrorMessage() {
        if ('message' in this.validationOptions) {
            if (typeof this.validationOptions.message === 'function') {
                return this.validationOptions.message(this.validationOptions.maxSize);
            }
            return this.validationOptions.message;
        }
        return `Validation failed (expected size is less than ${this.validationOptions.maxSize})`;
    }
    isValid(file) {
        if (!this.validationOptions || !file) {
            return true;
        }
        return 'size' in file && file.size < this.validationOptions.maxSize;
    }
}
exports.MaxFileSizeValidator = MaxFileSizeValidator;