ngrx-forms
Version:
Proper integration of forms in Angular 4 applications using ngrx
21 lines • 3.87 kB
JavaScript
import { ClearAsyncErrorAction } from '../../actions';
import { isEmpty } from '../../util';
export function clearAsyncErrorReducer(state, action) {
if (action.type !== ClearAsyncErrorAction.TYPE) {
return state;
}
const name = `$${action.name}`;
let errors = state.errors;
if (errors.hasOwnProperty(name)) {
errors = Object.assign({}, state.errors);
delete errors[name];
}
const pendingValidations = state.pendingValidations.filter(v => v !== action.name);
const isValid = isEmpty(errors);
if (errors === state.errors && isValid === state.isValid && pendingValidations.length === state.pendingValidations.length) {
return state;
}
return Object.assign(Object.assign({}, state), { isValid, isInvalid: !isValid, errors,
pendingValidations, isValidationPending: pendingValidations.length > 0 });
}
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