iter-tools-es/impls/$includes-any-seq/async-includes-any-seq.js

The iterable toolbox

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

const {
  asyncSeqsToArray
} = require('../../internal/async-any-seq.js');

const {
  __asyncWindowAhead
} = require('../$window-ahead/async-window-ahead.js');

const {
  __startsWithAnySeq
} = require('../$starts-with-any-seq/starts-with-any-seq.js');

async function __asyncIncludesAnySeq(iterable, seqs, same = Object.is) {
  const seqsArr = await asyncSeqsToArray(seqs);
  if (!seqsArr.length) return false;
  if (seqsArr.find(seq => !seq.length)) return true;
  const maxMatchLength = seqsArr.reduce((max, {
    length
  }) => Math.max(max, length), 1);

  for await (const buffer of __asyncWindowAhead(iterable, maxMatchLength)) {
    if (__startsWithAnySeq(buffer, seqsArr, same)) {
      return true;
    }
  }

  return false;
}

exports.__asyncIncludesAnySeq = __asyncIncludesAnySeq;
const asyncIncludesAnySeq = /*#__PURE__*/asyncIterableCurry(__asyncIncludesAnySeq, {
  minArgs: 1,
  maxArgs: 2,
  reduces: true
});
exports.asyncIncludesAnySeq = asyncIncludesAnySeq;