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import { __generator } from "tslib";
import { identity } from '../util/identity';
import { isScheduler } from '../util/isScheduler';
import { defer } from './defer';
import { scheduleIterable } from '../scheduled/scheduleIterable';
export function generate(initialStateOrOptions, condition, iterate, resultSelectorOrScheduler, scheduler) {
var _a, _b;
var resultSelector;
var initialState;
if (arguments.length === 1) {
(_a = initialStateOrOptions, initialState = _a.initialState, condition = _a.condition, iterate = _a.iterate, _b = _a.resultSelector, resultSelector = _b === void 0 ? identity : _b, scheduler = _a.scheduler);
}
else {
initialState = initialStateOrOptions;
if (!resultSelectorOrScheduler || isScheduler(resultSelectorOrScheduler)) {
resultSelector = identity;
scheduler = resultSelectorOrScheduler;
}
else {
resultSelector = resultSelectorOrScheduler;
}
}
function gen() {
var state;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
state = initialState;
_a.label = 1;
case 1:
if (!(!condition || condition(state))) return [3, 4];
return [4, resultSelector(state)];
case 2:
_a.sent();
_a.label = 3;
case 3:
state = iterate(state);
return [3, 1];
case 4: return [2];
}
});
}
return defer((scheduler
?
function () { return scheduleIterable(gen(), scheduler); }
:
gen));
}
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