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metamask-extension/app/scripts/lib/createLoggerMiddleware.js
Mark Stacey 466ece4588 Revert "Merge pull request #7599 from MetaMask/Version-v7.7.0" (#7648)
This reverts commit 1110287fe153bba44b8a7504611c2648b50e065f, reversing
changes made to 72eb233ee953c381407f0121f76822a79753e4ee.
2019-12-05 10:23:43 -10:00

22 lines
616 B
JavaScript

const log = require('loglevel')
module.exports = createLoggerMiddleware
/**
* Returns a middleware that logs RPC activity
* @param {{ origin: string }} opts - The middleware options
* @returns {Function}
*/
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()
})
}
}