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