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import * as effects from "redux-saga/effects"; | |
import * as constants from "../actions/constants"; | |
function* processTaskTimeConsuming() { | |
yield effects.delay(1000 + 1000 * Math.random()); | |
} | |
function* doProcessTask(name) { | |
try { | |
yield effects.put({ type: constants.TASK_PROCESS_START, name }); | |
yield effects.call(processTaskTimeConsuming); | |
yield effects.put({ type: constants.TASK_PROCESS_DONE, name }); | |
} catch (error) { | |
yield effects.put({ type: constants.TASK_PROCESS_ERROR, name }); | |
} finally { | |
if (yield effects.cancelled()) { | |
yield effects.put({ type: constants.TASK_PROCESS_RESET, name }); | |
} | |
} | |
} | |
function* processTask(action) { | |
yield effects.call(doProcessTask, action.name); | |
} | |
function* processTaskTimed(action) { | |
yield effects.race({ | |
response: effects.call(doProcessTask, action.name), | |
cancelled: effects.take(constants.TASK_PROCESS_CANCEL_ALL) | |
}); | |
} | |
export function* rootSaga() { | |
yield effects.takeEvery(constants.TASK_PROCESS, processTaskTimed); | |
} |
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