webpd/dist/src/nodes/validation.js

WebPd is a compiler for audio programming language Pure Data allowing to run .pd patches on web pages.

/*
 * Copyright (c) 2022-2023 Sébastien Piquemal <sebpiq@protonmail.com>, Chris McCormick.
 *
 * This file is part of WebPd
 * (see https://github.com/sebpiq/WebPd).
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
const assertNumber = (value) => {
    if (typeof value !== 'number') {
        throw new ValidationError(`${value} is not a number`);
    }
    return value;
};
const assertString = (value) => {
    if (typeof value !== 'string') {
        throw new ValidationError(`${value} is not a string`);
    }
    return value;
};
const assertOptionalNumber = (value) => {
    return value !== undefined ? assertNumber(value) : undefined;
};
const assertOptionalString = (value) => {
    return value !== undefined ? assertString(value) : undefined;
};
class ValidationError extends Error {
}

export { ValidationError, assertNumber, assertOptionalNumber, assertOptionalString, assertString };