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Array.reduceRight
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How to use
reduceRight
function
in
Array

Best JavaScript code snippets using builtins.Array.reduceRight(Showing top 15 results out of 333)

origin: afridlund85/React-Redux-example

function compose() {
 for (var _len = arguments.length, funcs = Array(_len), _key = 0; _key < _len; _key++) {
  funcs[_key] = arguments[_key];
 }

 return function (arg) {
  return funcs.reduceRight(function (composed, f) {
   return f(composed);
  }, arg);
 };
}
origin: Financial-Times/polyfill-library

it('should skip non-set values', function () {
  var test = [1,2,3];
  delete test[1];
  var visited = {};
  test.reduceRight(function (a, b) {
    if (a) { visited[a] = true; }
    if (b) { visited[b] = true; }
    return 0;
  });
  proclaim.deepEqual(visited, { 1: true, 3: true });
});
origin: ringo22/react-podcast

withContext.reduceRight(function (previous, renderRouterContext) {
   return renderRouterContext(previous, renderProps);
  }, _react2.default.createElement(_RouterContext2.default, _extends({}, renderProps, {
   createElement: makeCreateElement(renderProps.createElement)
  })))
origin: Financial-Times/polyfill-library

it('should return the expected result with a string', function () {
  proclaim.deepEqual(Array.prototype.reduceRight.call('1234567', function (a, b) {
    return String(a || '') + String(b || '');
  }), [7,6,5,4,3,2,1].join(''));
});
origin: lukeed/arr

test('@arr/reduceRight', t => {
  const a = fn(foo, (x,y) => x + y);
  const b = foo.reduceRight((x,y) => x + y);
  t.equal(a, b, 'matches native output');
  t.equal(a, 6, 'is expected output');

  const x = fn(bar, (j,k) => j.concat(k), []);
  const y = bar.reduceRight((j,k) => j.concat(k), []);
  t.deepEqual(x, y, 'matches native output');
  t.deepEqual(x, [4,5,2,3,0,1], 'is expected output');
  t.end();
});
origin: boltsource/apollo-resolvers

const and = (...conditions) => resolver => {
 return conditions.reduceRight((p, c) => {
  return c.createResolver(p);
 }, resolver)
}
origin: yu5200101/react-example

function compose(...fns) {
  return function (...args) {
    let last = fns.pop();//最后一个函数 addFirst
    return fns.reduceRight(function (prev, next, curIndex, arr) {
      return next(prev);
    }, last(...args));
  }
}
origin: ringo22/react-podcast

var makeCreateElement = function makeCreateElement() {
  var baseCreateElement = arguments.length <= 0 || arguments[0] === undefined ? _react.createElement : arguments[0];
  return function (Component, props) {
   return withComponent.reduceRight(function (previous, renderRouteComponent) {
    return renderRouteComponent(previous, props);
   }, baseCreateElement(Component, props));
  };
 }
origin: Izzzio/izzzio

/**
   * Reduce right
   * @param args
   * @return {*}
   */
  reduceRight(...args) {
    let A = this.toArray();
    let result = A.reduceRight(...args);
    this.applyArray(A);
    return result;
  }
origin: koalanlp/nodejs-support

/**
   * @see Array#reduceRight
   * @param callback
   * @param initialValue
   * @returns {*}
   */
  reduceRight(callback, initialValue){
    return this._items.reduceRight(callback, initialValue);
  }
origin: Financial-Times/polyfill-library

/* globals proclaim */

it('is a function', function () {
  proclaim.isFunction(Array.prototype.reduceRight);
});
origin: Financial-Times/polyfill-library

it('should not affect elements added to the array after it has begun', function () {
  var arr = [1,2,3], i = 0;
  arr.reduceRight(function (a, b) {
    i++;
    if (i <= 4) {
      arr.push(a + 3);
    }
    return b;
  });
  proclaim.deepEqual(arr, [1,2,3,6,5]);
  proclaim.equal(i, 2);
});
origin: Financial-Times/polyfill-library

it('should not directly affect the passed array', function () {
  var test = [1,2,3];
  var copy = [1,2,3];
  test.reduceRight(function (a, b) {
    return a + b;
  });
  proclaim.deepEqual(test, copy);
});
origin: yu5200101/react-example

//store.getState store.dispatch
// let old = store.dispatch;//存一下以前的方法
//改写了dispatch的方法
function compose(...fns) {
  return function (...args) {
    let last = fns.pop();//最后一个函数 addFirst
    return fns.reduceRight(function (prev, next, curIndex, arr) {
      return next(prev);
    }, last(...args));
  }
}
origin: fedosejev/react-router-example

var makeCreateElement = function makeCreateElement() {
  var baseCreateElement = arguments.length <= 0 || arguments[0] === undefined ? _react.createElement : arguments[0];
  return function (Component, props) {
   return withComponent.reduceRight(function (previous, renderRouteComponent) {
    return renderRouteComponent(previous, props);
   }, baseCreateElement(Component, props));
  };
 }
builtins(MDN)ArrayreduceRight

JSDoc

Calls the specified callback function for all the elements in an array, in descending order. The return value of the callback function is the accumulated result, and is provided as an argument in the next call to the callback function.

Most used builtins functions

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