Parse a Retry-After or X-Retry-After header value into milliseconds.
Accepts delta-seconds ("30"), numeric-with-suffix ("30s"), or an HTTP-date string.
Returns 0 when the value is empty or unparseable.
Parameters
retryAfter: string
Raw Retry-After / X-Retry-After header value
Returns number
Delay in milliseconds, or 0 if the value cannot be parsed
Parse a
Retry-AfterorX-Retry-Afterheader value into milliseconds. Accepts delta-seconds ("30"), numeric-with-suffix ("30s"), or an HTTP-date string. Returns 0 when the value is empty or unparseable.