Created
September 7, 2018 12:15
-
-
Save e-mihaylin/201b6524f02adc58e9a8f8401687488b to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| const once = fn => ((...a) => { | |
| let executed = false; | |
| return (...a) => { | |
| if (!executed) { | |
| executed = true; | |
| return fn(...a); | |
| } | |
| }; | |
| })(); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment