
gnomon:tldr:35671
This command consists of two parts:
-
${npm test}
: This is a placeholder that refers to thetest
script defined in thepackage.json
file of a Node.js project. When you runnpm test
in the terminal, it executes the test script defined in thepackage.json
file. -
| gnomon --high ${0-5}
: The|
symbol is a pipe operator, used to send the output of the preceding command (${npm test}
) to the next command (gnomon
). In this case, the output ofnpm test
command is piped tognomon
.
gnomon
is a command-line utility used for displaying logs in a more readable and colorful format. It enhances the output by adding timestamps and relative time durations.
The --high ${0-5}
argument passed to gnomon
specifies the log level. In this case, it sets the log level to be displayed as 'high', which corresponds to log levels 0 to 5. '0' is the highest log level, displaying all logs, while '5' is the lowest, displaying only critical errors or failures.