Carl Vitullo vcarl
vcarl
/ userTimingMiddleware.js
Last active
February 8, 2024 05:05
— forked from clarkbw/redux-performance-mark.js
A User Timing middleware for redux to create performance markers for dispatched actions
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| const userTiming = () => (next) => (action) => { | |
| if (performance.mark === undefined) return next(action); | |
| performance.mark(`${action.type}_start`); | |
| const result = next(action); | |
| performance.mark(`${action.type}_end`); | |
| performance.measure( | |
| `${action.type}`, | |
| `${action.type}_start`, | |
| `${action.type}_end`, | |
| ); |