Top 8 Examples of "is-promise in functional component" in JavaScript
Dive into secure and efficient coding practices with our curated list of the top 10 examples showcasing 'is-promise' in functional components in JavaScript. Our advanced machine learning engine meticulously scans each line of code, cross-referencing millions of open source libraries to ensure your implementation is not just functional, but also robust and secure. Elevate your React applications to new heights by mastering the art of handling side effects, API calls, and asynchronous operations with confidence and precision.
test('should return promise', t => {
t.true(isPromise(processing('')));
});to (test) {
const res = test({ actual, assert })
const throwIfError = throwIfErrorFn(actual)
if (isPromise(res)) {
return res.then(
throwIfError,
throwIfError
)
} else {
throwIfError(res)
}
return this
}
}function maybeDispatch(action) {
if (!action || isPromise(action)) {
return action;
}
if (Array.isArray(action)) {
return action.filter(Boolean).map(dispatch);
}
return dispatch(action);
}dispatch(action) {
const promise = handleAction(action);
if (isPromise(promise)) {
waitStore.dispatch(addAction(action, promise));
}
return store.dispatch(action);
},
};let isRollbackCompleted = false;
let thunkWithRollback = (dispatch, ...args) => {
let dispatchWithRollback = action => {
if (isActualThunkReturned && !isRollbackCompleted) {
rollback(transactionId, next);
isRollbackCompleted = true;
}
return dispatch(action);
};
return actualThunk(dispatchWithRollback, ...args);
};
let actualThunkRunning = next(withTransaction(thunkWithRollback, null));
if (!isPromise(actualThunkRunning)) {
throw new Error('Actual thunk of optimistic action must be async');
}
isActualThunkReturned = true;
let optimisticThunkReturn = next(withTransaction(optimisticThunk, transactionId));
if (isPromise(optimisticThunkReturn)) {
throw new Error('Optimistic thunk of optimistic action must be sync');
}
return actualThunkRunning;
};
};return (effect, ...args) => {
const result = effect(store)(...args);
if (isPromise(result) === true) {
const promise = result;
store.dispatch(effectState.actions.addPendingEffect(effect, args, promise));
promise.then(
res => {
store.dispatch(effectState.actions.removePendingEffect(effect, args, promise));
return res;
},
err => {
store.dispatch(effectState.actions.removePendingEffect(effect, args, promise));
throw err;
}
);
}function createAction(actionOrCreator, param) {
if (!actionOrCreator || isPromise(actionOrCreator)) {
return null;
}
if (typeof actionOrCreator === 'function') {
return actionOrCreator(param);
}
return actionOrCreator;
}function promisify(val) {
if (isPromise(val)) {
return val;
}
if (Array.isArray(val)) {
return Promise.all(val.map(promisify));
}
return !isErrorAction(val) ? Promise.resolve(val) : Promise.reject(val.payload);
}