add-counter
Adds a counter integer to iterated values.
Installation
Requires Node.js 6.0.0 or above.
npm i add-counter
API
The module exports a single function.
Parameters
iter
(iterable): The underlying iterable.- Optional:
i
(integer): The starting value of the counter. Normally this would be either0
or1
. Defaults to0
.
Return Value
A generator that, for each iterated value x
, yields [i++, x]
Example
const addCounter = for const i x of // [0, 'a'] // [1, 'b'] // [2, 'c']