29 lines
606 B
JavaScript
29 lines
606 B
JavaScript
(function (fn) {
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return function () {
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var gen = fn.apply(this, arguments);
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return new Promise(function (resolve, reject) {
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var callNext = step.bind(null, "next");
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var callThrow = step.bind(null, "throw");
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function step(key, arg) {
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try {
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var info = gen[key](arg);
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var value = info.value;
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} catch (error) {
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reject(error);
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return;
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}
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if (info.done) {
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resolve(value);
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} else {
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Promise.resolve(value).then(callNext, callThrow);
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}
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}
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callNext();
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});
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};
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})
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