coz-bud-loader/shim/node/require_bud.js

Bud loader for coz.

/**
 * Require a module.
 * @memberof module:coz-bud-loader/lib
 * @function requireBud
 * @param {Bud} bud - Bud to require.
 * @returns {Promise}
 */
'use strict';

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

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

var _typeof2 = _interopRequireDefault(require("@babel/runtime/helpers/typeof"));

var _asyncToGenerator2 = _interopRequireDefault(require("@babel/runtime/helpers/asyncToGenerator"));

var fs = require('fs');

var path = require('path');
/** @lends requireBud */


function requireBud(_x) {
  return _requireBud.apply(this, arguments);
}

function _requireBud() {
  _requireBud = (0, _asyncToGenerator2.default)(
  /*#__PURE__*/
  _regenerator.default.mark(function _callee(buds) {
    var results, _iteratorNormalCompletion, _didIteratorError, _iteratorError, _loop, _iterator, _step, _ret;

    return _regenerator.default.wrap(function _callee$(_context2) {
      while (1) {
        switch (_context2.prev = _context2.next) {
          case 0:
            buds = [].concat(buds || []);
            results = [];
            _iteratorNormalCompletion = true;
            _didIteratorError = false;
            _iteratorError = undefined;
            _context2.prev = 5;
            _loop =
            /*#__PURE__*/
            _regenerator.default.mark(function _loop() {
              var bud, src, filename, exists, name;
              return _regenerator.default.wrap(function _loop$(_context) {
                while (1) {
                  switch (_context.prev = _context.next) {
                    case 0:
                      bud = _step.value;
                      src = bud.src || bud;

                      if (!((0, _typeof2.default)(src) === 'object')) {
                        _context.next = 5;
                        break;
                      }

                      // Seems already required.
                      results.push(bud);
                      return _context.abrupt("return", "continue");

                    case 5:
                      filename = path.resolve(src);
                      _context.next = 8;
                      return new Promise(function (resolve) {
                        return fs.exists(filename, function (exists) {
                          return resolve(exists);
                        });
                      });

                    case 8:
                      exists = _context.sent;
                      name = exists ? filename : src;
                      _context.prev = 10;
                      bud = require(name);
                      _context.next = 17;
                      break;

                    case 14:
                      _context.prev = 14;
                      _context.t0 = _context["catch"](10);
                      throw new Error("Failed to load ".concat(name, ": ").concat(_context.t0));

                    case 17:
                      results.push([].concat(bud).map(function (bud) {
                        bud.src = path.resolve(src);
                        return bud;
                      }));

                    case 18:
                    case "end":
                      return _context.stop();
                  }
                }
              }, _loop, null, [[10, 14]]);
            });
            _iterator = buds[Symbol.iterator]();

          case 8:
            if (_iteratorNormalCompletion = (_step = _iterator.next()).done) {
              _context2.next = 16;
              break;
            }

            return _context2.delegateYield(_loop(), "t0", 10);

          case 10:
            _ret = _context2.t0;

            if (!(_ret === "continue")) {
              _context2.next = 13;
              break;
            }

            return _context2.abrupt("continue", 13);

          case 13:
            _iteratorNormalCompletion = true;
            _context2.next = 8;
            break;

          case 16:
            _context2.next = 22;
            break;

          case 18:
            _context2.prev = 18;
            _context2.t1 = _context2["catch"](5);
            _didIteratorError = true;
            _iteratorError = _context2.t1;

          case 22:
            _context2.prev = 22;
            _context2.prev = 23;

            if (!_iteratorNormalCompletion && _iterator.return != null) {
              _iterator.return();
            }

          case 25:
            _context2.prev = 25;

            if (!_didIteratorError) {
              _context2.next = 28;
              break;
            }

            throw _iteratorError;

          case 28:
            return _context2.finish(25);

          case 29:
            return _context2.finish(22);

          case 30:
            return _context2.abrupt("return", results.reduce(function (a, b) {
              return [].concat(a, b);
            }, []));

          case 31:
          case "end":
            return _context2.stop();
        }
      }
    }, _callee, null, [[5, 18, 22, 30], [23,, 25, 29]]);
  }));
  return _requireBud.apply(this, arguments);
}

module.exports = requireBud;
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