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README.md |
README.md
Keep Trying Or Giveup
Instructions
Create a retry
function, that takes 2 arguments:
count
: indicates maximum number of retries.callback
: anasync
function that will be invoked for every attempt.
retry
returns a function that invokes the callback
function. That function passes its arguments to callback
, and returns the value from callback
.
The function returned by retry
must catch
errors from callback
. After that function has caught count
errors, it must throw
an Error
.
if
count
is 3,callback
will be invoked at most 4 times, the initial call plus 3 retries.
Create function named timeout
, that takes 2 arguments:
delay
: indicates maximum wait time.callback
: an asynchronous function that will be invoked.
timeout
returns a function that invokes and returns the value from callback
. The function must pass its arguments to callback
. If callback
does not resolve before delay
, your function returns Error('timeout')
.