char-spinner
Put a little spinner on process.stderr, as unobtrusively as possible.
USAGE
var spinner = require("char-spinner")
spinner(options)
OPTIONS
Usually the defaults are what you want. Mostly they're just
configurable for testing purposes.
stream
Output stream. Default=process.stderr
tty
Only show spinner if output stream has a truish .isTTY
. Default=true
string
String of chars to spin. Default='/-\\|'
interval
Number of ms between frames, bigger = slower. Default=50
cleanup
Print '\r \r'
to stream on process exit. Default=true
unref
Unreference the spinner interval so that the process can
exit normally. Default=true
delay
Number of frames to "skip over" before printing the spinner.
Useful if you want to avoid showing the spinner for very fast
actions. Default=2
Returns the generated interval, if one was created.