limber-firebird-client/lib/core/errors.js

Cliente JavaScript/Typescrypt para Node.js de acesso a banco de dados Firebird charset ISO8859_1 e UTF8

module.exports = {GDSError: GDSError};

function GDSError(gdsObject) {
    this.message = gdsObject && gdsObject.message || '';
    const cond = ['ð', '§', 'á', 'é', 'í', 'ó', 'ú', 'Á', 'É', 'Í', 'Ó', 'Ú', 'â', 'ê', 'î', 'ô', 'û', 'Â', 'Ê', 'Î', 'Ô', 'Û', 'Ç', 'ç', 'ã', 'õ', 'Ã', 'Õ'];
    if (cond.some(el => this.message.includes(el))) {
        this.message = new Buffer(this.message, 'latin1').toString('utf8')
    }

    const firstStatus = gdsObject && gdsObject.status && gdsObject.status.length > 0 && gdsObject.status[0] || {};
    this.code = firstStatus.gdscode || -1;
    this.gdserrors = gdsObject.status;

    if (Error.captureStackTrace) {
        Error.captureStackTrace(this, GDSError);
    } else {
        this.stack = (new Error()).stack;
    }
}

GDSError.prototype = Object.create(Error.prototype);
GDSError.prototype.name = 'GDSError';