TypeScript flux-standard-action isError Examples

Example #1

File: test.ts Project: types/npm-flux-standard-action

test('isError()', t => {
  const action = {
    type: 'something'
  };
  const err = {
    type: 'other',
    error: true
  };

  t.plan(2);
  t.false(isError(action), 'action is not error');
  t.true(isError(err), 'err is error');
});

Example #2

File: flux-standard-action-tests.ts Project: AbraaoAlves/DefinitelyTyped

function unwrapAction(action: { type: string }) {
    if (isFSA(action)) {
        if (isError(action)) {
            alert(action.payload!.message)
        }
        return action.payload
    }
}

Example #3

File: flux-standard-action-tests.ts Project: 0815fox/DefinitelyTyped

/// <reference path="flux-standard-action.d.ts" />

//import action = require('flux-standard-action');
import { isError, isFSA, Action, ErrorAction } from 'flux-standard-action';

interface TextPayload {
    text: string;
}

var sample1: Action<TextPayload> = {
    type: 'ADD_TODO',
    payload: {
        text: 'Do something.'
    }
};

var sample2: ErrorAction = {
    type: 'ADD_TODO',
    payload: new Error(),
    error: true
};

var result1: boolean = isError(sample1);
var result2: boolean = isFSA(sample1);
var result3: boolean = isError(sample2);
var result4: boolean = isFSA(sample2);