node-jet/lib/3_jet/utils.js

Jet Realtime Message Bus for the Web. Daemon and Peer implementation.

export const getValue = (o, field) => {
    if (field === '')
        return o;
    const keys = field.split('.');
    for (let i = 0; i < keys.length; i++) {
        const key = keys[i];
        if (key in o) {
            o = o[key];
        }
        else {
            return undefined;
        }
    }
    return o;
};
const isJsonRPCError = (err) => typeof err === 'object' && 'code' in err && 'message' in err;
export const errorObject = (err) => {
    let data;
    if (isJsonRPCError(err)) {
        return err;
    }
    else {
        data = {};
        if (typeof err === 'string') {
            data.message = err;
            data.stack = 'no stack available';
        }
        else {
            data.message = err.message;
            data.stack = err.stack;
            data.lineNumber = err.lineNumber;
            data.fileName = err.fileName;
        }
        return {
            code: -32603,
            message: 'Internal error',
            data
        };
    }
};
export const isState = (stateOrMethod) => '_value' in stateOrMethod;