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@@ -0,0 +1,29 @@
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+const delay = ms => new Promise((ok, neOk) => setTimeout(() => ok(ms), ms))
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+
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+function run(gena) {
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+ let iter = gena()
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+ function next(promiseResult, error=false) {
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+ let a
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+ if (!error) {
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+ a = iter.next(promiseResult)
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+ } else {
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+ iter.throw(promiseResult)
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+ }
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+
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+ if (a.value instanceof Promise) {
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+ a.value.then(result => next(result)).catch(e => next(e, true))
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+ }
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+ }
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+ next()
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+}
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+
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+function* check() {
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+ console.log(1)
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+ let result1 = yield delay(1000)
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+ console.log(result1)
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+ let result2 = yield delay(2000)
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+ console.log(result2)
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+ return 100500
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+}
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+
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+run(check)
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