iter-tools-es/impls/$join-with-seq/async-join-with-seq.js

The iterable toolbox

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

const {
  __asyncToArray
} = require('../$to-array/async-to-array.js');

async function* __asyncJoinWithSeq(source, separatorSeq) {
  const _separatorSeq = await __asyncToArray(separatorSeq);

  let isFirst = true;

  for await (const value of source) {
    if (!isFirst) yield* _separatorSeq;
    yield* value;
    isFirst = false;
  }
}

exports.__asyncJoinWithSeq = __asyncJoinWithSeq;
const asyncJoinWithSeq = /*#__PURE__*/asyncIterableCurry(__asyncJoinWithSeq);
exports.asyncJoinWithSeq = asyncJoinWithSeq;