Prefix an optional string.
If prefix or s have no length then s is returned as-is. Otherwise the strings are concatenated.
prefix
s
Optional
the prefix to prepend to s
the string to append to prefix
the prefixed string, or undefined if s is undefined
undefined
Generated using TypeDoc
Prefix an optional string.
If
prefix
ors
have no length thens
is returned as-is. Otherwise the strings are concatenated.