iter-tools/impls/$map/async-map.js

The iterable toolbox

var _regeneratorRuntime = require("@babel/runtime/regenerator");

var _awaitAsyncGenerator = require("@babel/runtime/helpers/awaitAsyncGenerator");

var _wrapAsyncGenerator = require("@babel/runtime/helpers/wrapAsyncGenerator");

var _asyncIterator = require("@babel/runtime/helpers/asyncIterator");

var _require = require('../../internal/async-iterable.js'),
    asyncIterableCurry = _require.asyncIterableCurry;

function __asyncMap(_x, _x2) {
  return _asyncMap.apply(this, arguments);
}

exports.__asyncMap = __asyncMap;

function _asyncMap() {
  _asyncMap = _wrapAsyncGenerator( /*#__PURE__*/_regeneratorRuntime.mark(function _callee(source, func) {
    var c, _iteratorNormalCompletion, _didIteratorError, _iteratorError, _iterator, _step, _value, value;

    return _regeneratorRuntime.wrap(function _callee$(_context) {
      while (1) {
        switch (_context.prev = _context.next) {
          case 0:
            c = 0;
            _iteratorNormalCompletion = true;
            _didIteratorError = false;
            _context.prev = 3;
            _iterator = _asyncIterator(source);

          case 5:
            _context.next = 7;
            return _awaitAsyncGenerator(_iterator.next());

          case 7:
            _step = _context.sent;
            _iteratorNormalCompletion = _step.done;
            _context.next = 11;
            return _awaitAsyncGenerator(_step.value);

          case 11:
            _value = _context.sent;

            if (_iteratorNormalCompletion) {
              _context.next = 19;
              break;
            }

            value = _value;
            _context.next = 16;
            return func(value, c++);

          case 16:
            _iteratorNormalCompletion = true;
            _context.next = 5;
            break;

          case 19:
            _context.next = 25;
            break;

          case 21:
            _context.prev = 21;
            _context.t0 = _context["catch"](3);
            _didIteratorError = true;
            _iteratorError = _context.t0;

          case 25:
            _context.prev = 25;
            _context.prev = 26;

            if (!(!_iteratorNormalCompletion && _iterator["return"] != null)) {
              _context.next = 30;
              break;
            }

            _context.next = 30;
            return _awaitAsyncGenerator(_iterator["return"]());

          case 30:
            _context.prev = 30;

            if (!_didIteratorError) {
              _context.next = 33;
              break;
            }

            throw _iteratorError;

          case 33:
            return _context.finish(30);

          case 34:
            return _context.finish(25);

          case 35:
          case "end":
            return _context.stop();
        }
      }
    }, _callee, null, [[3, 21, 25, 35], [26,, 30, 34]]);
  }));
  return _asyncMap.apply(this, arguments);
}

var asyncMap = /*#__PURE__*/asyncIterableCurry(__asyncMap);
exports.asyncMap = asyncMap;