@akala/json-rpc-ws/dist/esm/errors.js

json-rpc websocket transport

'use strict';
import debug from 'debug';
const logger = debug('akala:json-rpc-ws');
/*
 * http://www.jsonrpc.org/specification#error_object
 */
export class Errors {
    parseError = { code: -32700, message: 'Parse error' };
    invalidRequest = { code: -32600, message: 'Invalid Request' };
    methodNotFound = { code: -32601, message: 'Method not found' };
    invalidParams = { code: -32602, message: 'Invalid params' };
    internalError = { code: -32603, message: 'Internal error' };
    serverError = { code: -32000, message: 'Server error' };
}
const errors = new Errors();
/**
 * Returns a valid jsonrpc2.0 error reply
 *
 * @param {String} type - type of error
 * @param {Number|String|null} id - optional id for reply message
 * @param {Any} data - optional data attribute for error message
 * @returns {Object|null} mreply object that can be sent back
 */
export default function getError(type, id, data) {
    if (!errors[type])
        throw new Error('Invalid error type ' + type);
    const payload = {
        error: errors[type],
    };
    if (typeof id === 'string' || typeof id === 'number') {
        payload.id = id;
    }
    if (typeof data !== 'undefined') {
        payload.error.data = data;
    }
    logger('error %j', payload);
    return payload;
}
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