iter-tools-es/impls/$starts-with/async-starts-with.js

The iterable toolbox

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

const {
  __asyncFirstOr
} = require('../$first-or/async-first-or.js');

const none = Symbol('none');

async function __asyncStartsWith(iterable, value, same = Object.is) {
  const first = await __asyncFirstOr(iterable, none);
  if (first === none) return false;
  return same(value, first);
}

exports.__asyncStartsWith = __asyncStartsWith;
const asyncStartsWith = /*#__PURE__*/asyncIterableCurry(__asyncStartsWith, {
  minArgs: 1,
  maxArgs: 2,
  reduces: true,

  validateArgs(args) {}

});
exports.asyncStartsWith = asyncStartsWith;