express-image-validator/dist/utils/normalizeImageField.js

Validator of various image parameters in Express.js applications

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.normalizeImageField = normalizeImageField;
const normalizeValidationOptions_1 = require("./normalizeValidationOptions");
/**
 * Normalizes a field or set of fields into an array of full schemas.
 * - Strings are converted into `FieldSchema` with default options.
 * - Objects are validated and normalized via `normalizeValidationOptions`.
 * @param { FieldSet } field Field or array of fields.
 * @returns { FieldSchema[] } Normalized field schemas.
 * @throws { Error } If field is empty or invalid.
 * @see normalizeValidationOptions
 */
function normalizeImageField(field) {
    if (!field) {
        throw new Error('Field must not be empty');
    }
    const fieldsArray = Array.isArray(field) ? field : [field];
    const normalizedFields = [];
    for (let i = 0; i < fieldsArray.length; i++) {
        const currentField = fieldsArray[i];
        if (typeof currentField === 'string') {
            normalizedFields.push({ name: currentField, options: (0, normalizeValidationOptions_1.generateOptions)() });
            continue;
        }
        const validatedOptions = (0, normalizeValidationOptions_1.normalizeValidationOptions)(currentField);
        normalizedFields.push({
            name: currentField.name,
            options: validatedOptions,
        });
    }
    return normalizedFields;
}