8 files changed, 41 insertions, 19 deletions
diff --git a/node_modules/core-js/modules/_core.js b/node_modules/core-js/modules/_core.js
index 085b2b8c4..c61ad5100 100644
--- a/node_modules/core-js/modules/_core.js
+++ b/node_modules/core-js/modules/_core.js
@@ -1,2 +1,2 @@
-var core = module.exports = { version: '2.5.3' };
+var core = module.exports = { version: '2.5.7' };
 if (typeof __e == 'number') __e = core; // eslint-disable-line no-undef
diff --git a/node_modules/core-js/modules/_iter-define.js b/node_modules/core-js/modules/_iter-define.js
index 5f616dd5a..578dfb734 100644
--- a/node_modules/core-js/modules/_iter-define.js
+++ b/node_modules/core-js/modules/_iter-define.js
@@ -3,7 +3,6 @@ var LIBRARY = require('./_library');
 var $export = require('./_export');
 var redefine = require('./_redefine');
 var hide = require('./_hide');
-var has = require('./_has');
 var Iterators = require('./_iterators');
 var $iterCreate = require('./_iter-create');
 var setToStringTag = require('./_set-to-string-tag');
@@ -30,7 +29,7 @@ module.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCE
   var VALUES_BUG = false;
   var proto = Base.prototype;
   var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];
-  var $default = (!BUGGY && $native) || getMethod(DEFAULT);
+  var $default = $native || getMethod(DEFAULT);
   var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;
   var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;
   var methods, key, IteratorPrototype;
@@ -41,7 +40,7 @@ module.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCE
       // Set @@toStringTag to native iterators
       setToStringTag(IteratorPrototype, TAG, true);
       // fix for some old engines
-      if (!LIBRARY && !has(IteratorPrototype, ITERATOR)) hide(IteratorPrototype, ITERATOR, returnThis);
+      if (!LIBRARY && typeof IteratorPrototype[ITERATOR] != 'function') hide(IteratorPrototype, ITERATOR, returnThis);
     }
   }
   // fix Array#{values, @@iterator}.name in V8 / FF
diff --git a/node_modules/core-js/modules/_microtask.js b/node_modules/core-js/modules/_microtask.js
index ce6e94131..b321c648c 100644
--- a/node_modules/core-js/modules/_microtask.js
+++ b/node_modules/core-js/modules/_microtask.js
@@ -40,7 +40,8 @@ module.exports = function () {
     };
   // environments with maybe non-completely correct, but existent Promise
   } else if (Promise && Promise.resolve) {
-    var promise = Promise.resolve();
+    // Promise.resolve without an argument throws an error in LG WebOS 2
+    var promise = Promise.resolve(undefined);
     notify = function () {
       promise.then(flush);
     };
diff --git a/node_modules/core-js/modules/_shared.js b/node_modules/core-js/modules/_shared.js
index 4d8f927f6..2c6abc22e 100644
--- a/node_modules/core-js/modules/_shared.js
+++ b/node_modules/core-js/modules/_shared.js
@@ -1,6 +1,12 @@
+var core = require('./_core');
 var global = require('./_global');
 var SHARED = '__core-js_shared__';
 var store = global[SHARED] || (global[SHARED] = {});
-module.exports = function (key) {
-  return store[key] || (store[key] = {});
-};
+
+(module.exports = function (key, value) {
+  return store[key] || (store[key] = value !== undefined ? value : {});
+})('versions', []).push({
+  version: core.version,
+  mode: require('./_library') ? 'pure' : 'global',
+  copyright: '© 2018 Denis Pushkarev (zloirock.ru)'
+});
diff --git a/node_modules/core-js/modules/es6.promise.js b/node_modules/core-js/modules/es6.promise.js
index 88bf65d4c..b0ff3bfcf 100644
--- a/node_modules/core-js/modules/es6.promise.js
+++ b/node_modules/core-js/modules/es6.promise.js
@@ -13,10 +13,13 @@ var task = require('./_task').set;
 var microtask = require('./_microtask')();
 var newPromiseCapabilityModule = require('./_new-promise-capability');
 var perform = require('./_perform');
+var userAgent = require('./_user-agent');
 var promiseResolve = require('./_promise-resolve');
 var PROMISE = 'Promise';
 var TypeError = global.TypeError;
 var process = global.process;
+var versions = process && process.versions;
+var v8 = versions && versions.v8 || '';
 var $Promise = global[PROMISE];
 var isNode = classof(process) == 'process';
 var empty = function () { /* empty */ };
@@ -31,7 +34,13 @@ var USE_NATIVE = !!function () {
       exec(empty, empty);
     };
     // unhandled rejections tracking support, NodeJS Promise without it fails @@species test
-    return (isNode || typeof PromiseRejectionEvent == 'function') && promise.then(empty) instanceof FakePromise;
+    return (isNode || typeof PromiseRejectionEvent == 'function')
+      && promise.then(empty) instanceof FakePromise
+      // v8 6.6 (Node 10 and Chrome 66) have a bug with resolving custom thenables
+      // https://bugs.chromium.org/p/chromium/issues/detail?id=830565
+      // we can't detect it synchronously, so just check versions
+      && v8.indexOf('6.6') !== 0
+      && userAgent.indexOf('Chrome/66') === -1;
   } catch (e) { /* empty */ }
 }();
 
@@ -53,7 +62,7 @@ var notify = function (promise, isReject) {
       var resolve = reaction.resolve;
       var reject = reaction.reject;
       var domain = reaction.domain;
-      var result, then;
+      var result, then, exited;
       try {
         if (handler) {
           if (!ok) {
@@ -63,8 +72,11 @@ var notify = function (promise, isReject) {
           if (handler === true) result = value;
           else {
             if (domain) domain.enter();
-            result = handler(value);
-            if (domain) domain.exit();
+            result = handler(value); // may throw
+            if (domain) {
+              domain.exit();
+              exited = true;
+            }
           }
           if (result === reaction.promise) {
             reject(TypeError('Promise-chain cycle'));
@@ -73,6 +85,7 @@ var notify = function (promise, isReject) {
           } else resolve(result);
         } else reject(value);
       } catch (e) {
+        if (domain && !exited) domain.exit();
         reject(e);
       }
     };
diff --git a/node_modules/core-js/modules/es6.reflect.set.js b/node_modules/core-js/modules/es6.reflect.set.js
index e2a89816c..d809d7a4e 100644
--- a/node_modules/core-js/modules/es6.reflect.set.js
+++ b/node_modules/core-js/modules/es6.reflect.set.js
@@ -20,9 +20,11 @@ function set(target, propertyKey, V /* , receiver */) {
   }
   if (has(ownDesc, 'value')) {
     if (ownDesc.writable === false || !isObject(receiver)) return false;
-    existingDescriptor = gOPD.f(receiver, propertyKey) || createDesc(0);
-    existingDescriptor.value = V;
-    dP.f(receiver, propertyKey, existingDescriptor);
+    if (existingDescriptor = gOPD.f(receiver, propertyKey)) {
+      if (existingDescriptor.get || existingDescriptor.set || existingDescriptor.writable === false) return false;
+      existingDescriptor.value = V;
+      dP.f(receiver, propertyKey, existingDescriptor);
+    } else dP.f(receiver, propertyKey, createDesc(0, V));
     return true;
   }
   return ownDesc.set === undefined ? false : (ownDesc.set.call(receiver, V), true);
diff --git a/node_modules/core-js/modules/es6.typed.array-buffer.js b/node_modules/core-js/modules/es6.typed.array-buffer.js
index 4e9373165..b2473709c 100644
--- a/node_modules/core-js/modules/es6.typed.array-buffer.js
+++ b/node_modules/core-js/modules/es6.typed.array-buffer.js
@@ -32,12 +32,12 @@ $export($export.P + $export.U + $export.F * require('./_fails')(function () {
     if ($slice !== undefined && end === undefined) return $slice.call(anObject(this), start); // FF fix
     var len = anObject(this).byteLength;
     var first = toAbsoluteIndex(start, len);
-    var final = toAbsoluteIndex(end === undefined ? len : end, len);
-    var result = new (speciesConstructor(this, $ArrayBuffer))(toLength(final - first));
+    var fin = toAbsoluteIndex(end === undefined ? len : end, len);
+    var result = new (speciesConstructor(this, $ArrayBuffer))(toLength(fin - first));
     var viewS = new $DataView(this);
     var viewT = new $DataView(result);
     var index = 0;
-    while (first < final) {
+    while (first < fin) {
       viewT.setUint8(index++, viewS.getUint8(first++));
     } return result;
   }
diff --git a/node_modules/core-js/modules/library/_export.js b/node_modules/core-js/modules/library/_export.js
index 299a77fc9..02bddc0aa 100644
--- a/node_modules/core-js/modules/library/_export.js
+++ b/node_modules/core-js/modules/library/_export.js
@@ -2,6 +2,7 @@ var global = require('./_global');
 var core = require('./_core');
 var ctx = require('./_ctx');
 var hide = require('./_hide');
+var has = require('./_has');
 var PROTOTYPE = 'prototype';
 
 var $export = function (type, name, source) {
@@ -19,7 +20,7 @@ var $export = function (type, name, source) {
   for (key in source) {
     // contains in native
     own = !IS_FORCED && target && target[key] !== undefined;
-    if (own && key in exports) continue;
+    if (own && has(exports, key)) continue;
     // export native or passed
     out = own ? target[key] : source[key];
     // prevent global pollution for namespaces