69 lines
1.4 KiB
JavaScript
69 lines
1.4 KiB
JavaScript
"use strict";
|
|
|
|
exports.__esModule = true;
|
|
|
|
var _iterator = require("../core-js/symbol/iterator");
|
|
|
|
var _iterator2 = _interopRequireDefault(_iterator);
|
|
|
|
var _symbol = require("../core-js/symbol");
|
|
|
|
var _symbol2 = _interopRequireDefault(_symbol);
|
|
|
|
var _promise = require("../core-js/promise");
|
|
|
|
var _promise2 = _interopRequireDefault(_promise);
|
|
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
|
|
exports.default = function (inner, awaitWrap) {
|
|
var iter = {},
|
|
waiting = false;
|
|
|
|
function pump(key, value) {
|
|
waiting = true;
|
|
value = new _promise2.default(function (resolve) {
|
|
resolve(inner[key](value));
|
|
});
|
|
return {
|
|
done: false,
|
|
value: awaitWrap(value)
|
|
};
|
|
}
|
|
|
|
;
|
|
|
|
if (typeof _symbol2.default === "function" && _iterator2.default) {
|
|
iter[_iterator2.default] = function () {
|
|
return this;
|
|
};
|
|
}
|
|
|
|
iter.next = function (value) {
|
|
if (waiting) {
|
|
waiting = false;
|
|
return value;
|
|
}
|
|
|
|
return pump("next", value);
|
|
};
|
|
|
|
if (typeof inner.throw === "function") {
|
|
iter.throw = function (value) {
|
|
if (waiting) {
|
|
waiting = false;
|
|
throw value;
|
|
}
|
|
|
|
return pump("throw", value);
|
|
};
|
|
}
|
|
|
|
if (typeof inner.return === "function") {
|
|
iter.return = function (value) {
|
|
return pump("return", value);
|
|
};
|
|
}
|
|
|
|
return iter;
|
|
}; |