invert-promise

If the promise rejects, the resulting promise will resolve with the rejection value. Likewise with resolving becoming a rejection.

install

npm install invert-promise

usage

Examples from test.js:

var invertPromise = require('invert-promise');

test('positive', (t) => {
  t.plan(1);
  invertPromise(Promise.resolve(1)).catch(x => t.equal(x, 1));
});

test('negative', (t) => {
  t.plan(1);
  invertPromise(Promise.reject(1)).then(x => t.equal(x, 1));
});