coveo-search-ui/bin/tests/lib/promise.polyfill.js

Coveo JavaScript Search Framework

!(function(e) {
  function n() {}
  function t(e, n) {
    return function() {
      e.apply(n, arguments);
    };
  }
  function o(e) {
    if ('object' != typeof this) throw new TypeError('Promises must be constructed via new');
    if ('function' != typeof e) throw new TypeError('not a function');
    (this._state = 0), (this._handled = !1), (this._value = void 0), (this._deferreds = []), s(e, this);
  }
  function i(e, n) {
    for (; 3 === e._state; ) e = e._value;
    return 0 === e._state
      ? void e._deferreds.push(n)
      : ((e._handled = !0),
        void o._immediateFn(function() {
          var t = 1 === e._state ? n.onFulfilled : n.onRejected;
          if (null === t) return void (1 === e._state ? r : u)(n.promise, e._value);
          var o;
          try {
            o = t(e._value);
          } catch (i) {
            return void u(n.promise, i);
          }
          r(n.promise, o);
        }));
  }
  function r(e, n) {
    try {
      if (n === e) throw new TypeError('A promise cannot be resolved with itself.');
      if (n && ('object' == typeof n || 'function' == typeof n)) {
        var i = n.then;
        if (n instanceof o) return (e._state = 3), (e._value = n), void f(e);
        if ('function' == typeof i) return void s(t(i, n), e);
      }
      (e._state = 1), (e._value = n), f(e);
    } catch (r) {
      u(e, r);
    }
  }
  function u(e, n) {
    (e._state = 2), (e._value = n), f(e);
  }
  function f(e) {
    2 === e._state &&
      0 === e._deferreds.length &&
      o._immediateFn(function() {
        e._handled || o._unhandledRejectionFn(e._value);
      });
    for (var n = 0, t = e._deferreds.length; n < t; n++) i(e, e._deferreds[n]);
    e._deferreds = null;
  }
  function c(e, n, t) {
    (this.onFulfilled = 'function' == typeof e ? e : null), (this.onRejected = 'function' == typeof n ? n : null), (this.promise = t);
  }
  function s(e, n) {
    var t = !1;
    try {
      e(
        function(e) {
          t || ((t = !0), r(n, e));
        },
        function(e) {
          t || ((t = !0), u(n, e));
        }
      );
    } catch (o) {
      if (t) return;
      (t = !0), u(n, o);
    }
  }
  var a = setTimeout;
  (o.prototype['catch'] = function(e) {
    return this.then(null, e);
  }),
    (o.prototype.then = function(e, t) {
      var o = new this.constructor(n);
      return i(this, new c(e, t, o)), o;
    }),
    (o.all = function(e) {
      var n = Array.prototype.slice.call(e);
      return new o(function(e, t) {
        function o(r, u) {
          try {
            if (u && ('object' == typeof u || 'function' == typeof u)) {
              var f = u.then;
              if ('function' == typeof f)
                return void f.call(
                  u,
                  function(e) {
                    o(r, e);
                  },
                  t
                );
            }
            (n[r] = u), 0 === --i && e(n);
          } catch (c) {
            t(c);
          }
        }
        if (0 === n.length) return e([]);
        for (var i = n.length, r = 0; r < n.length; r++) o(r, n[r]);
      });
    }),
    (o.resolve = function(e) {
      return e && 'object' == typeof e && e.constructor === o
        ? e
        : new o(function(n) {
            n(e);
          });
    }),
    (o.reject = function(e) {
      return new o(function(n, t) {
        t(e);
      });
    }),
    (o.race = function(e) {
      return new o(function(n, t) {
        for (var o = 0, i = e.length; o < i; o++) e[o].then(n, t);
      });
    }),
    (o._immediateFn =
      ('function' == typeof setImmediate &&
        function(e) {
          setImmediate(e);
        }) ||
      function(e) {
        a(e, 0);
      }),
    (o._unhandledRejectionFn = function(e) {
      'undefined' != typeof console && console && console.warn('Possible Unhandled Promise Rejection:', e);
    }),
    (o._setImmediateFn = function(e) {
      o._immediateFn = e;
    }),
    (o._setUnhandledRejectionFn = function(e) {
      o._unhandledRejectionFn = e;
    }),
    'undefined' != typeof module && module.exports ? (module.exports = o) : e.Promise || (e.Promise = o);
})(this);

Promise.prototype['finally'] = function finallyPolyfill(callback) {
  var constructor = this.constructor;
  return this.then(
    function(value) {
      return constructor.resolve(callback()).then(function() {
        return value;
      });
    },
    function(reason) {
      return constructor.resolve(callback()).then(function() {
        throw reason;
      });
    }
  );
};

var rethrowError = function(self) {
  self.then(null, function(err) {
    setTimeout(function() {
      throw err;
    }, 0);
  });
};

if (typeof Promise.prototype['done'] !== 'function') {
  Promise.prototype['done'] = function(onFulfilled, onRejected) {
    var self = arguments.length ? this.then.apply(this, arguments) : this;
    rethrowError(self);
    return this;
  };
}

if (typeof Promise.prototype['fail'] !== 'function') {
  Promise.prototype['fail'] = function(onFulfilled, onRejected) {
    var self = arguments.length ? this.catch.apply(this, arguments) : this;
    rethrowError(self);
    return this;
  };
}