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metamask-extension/app/scripts/lib/createLoggerMiddleware.js
Erik Marks 76a2a9bb8b
@metamask/eslint config@5.0.0 ()
* @metamask/eslint-config@5.0.0
* Update eslintrc and prettierrc
* yarn lint:fix
2021-02-04 10:15:23 -08:00

26 lines
625 B
JavaScript

import log from 'loglevel';
/**
* Returns a middleware that logs RPC activity
* @param {{ origin: string }} opts - The middleware options
* @returns {Function}
*/
export default function createLoggerMiddleware(opts) {
return function loggerMiddleware(
/** @type {any} */ req,
/** @type {any} */ res,
/** @type {Function} */ next,
) {
next((/** @type {Function} */ cb) => {
if (res.error) {
log.error('Error in RPC response:\n', res);
}
if (req.isMetamaskInternal) {
return;
}
log.info(`RPC (${opts.origin}):`, req, '->', res);
cb();
});
};
}