iter-tools-es/impls/$enumerate/async-enumerate.js

The iterable toolbox

const {
  asyncIterableCurry
} = require('../../internal/async-iterable.js');

const {
  __asyncMap
} = require('../$map/async-map.js');

function __asyncEnumerate(source, start = 0) {
  return __asyncMap(source, (value, i) => [start + i, value]);
}

exports.__asyncEnumerate = __asyncEnumerate;
const asyncEnumerate = /*#__PURE__*/asyncIterableCurry(__asyncEnumerate, {
  minArgs: 0,
  maxArgs: 1
});
exports.asyncEnumerate = asyncEnumerate;