From 322e788960d8c3083cbc7dd52292fa5ccba3de3e Mon Sep 17 00:00:00 2001
From: s-yadav <sudhanshuyadav2@gmail.com>
Date: Fri, 15 Feb 2019 11:01:51 +0530
Subject: [PATCH] Release for #29 (fix of error in handleChildrens by
 @DoMiNeLa10)

---
 dist/react-meta-tags.es.js  | 14 +++++++++++---
 dist/react-meta-tags.js     | 14 +++++++++++---
 dist/react-meta-tags.min.js |  6 +++---
 lib/meta_tags.js            | 10 +++++++++-
 package.json                |  2 +-
 5 files changed, 35 insertions(+), 11 deletions(-)

diff --git a/dist/react-meta-tags.es.js b/dist/react-meta-tags.es.js
index 232020c..05d4901 100644
--- a/dist/react-meta-tags.es.js
+++ b/dist/react-meta-tags.es.js
@@ -1,7 +1,7 @@
 /**
- * react-meta-tags - 0.7.3
+ * react-meta-tags - 0.7.4
  * Author : Sudhanshu Yadav
- * Copyright (c) 2016, 2018 to Sudhanshu Yadav, released under the MIT license.
+ * Copyright (c) 2016, 2019 to Sudhanshu Yadav, released under the MIT license.
  * https://github.com/s-yadav/react-meta-tags
  */
 
@@ -415,7 +415,15 @@ function (_Component) {
         }
 
         _this.lastChildStr = childStr;
-        var childNodes = Array.prototype.slice.call(_this.temporaryElement.querySelector('.react-head-temp').children);
+
+        var tempHead = _this.temporaryElement.querySelector('.react-head-temp'); // .react-head-temp might not exist when triggered from async action
+
+
+        if (tempHead === null) {
+          return;
+        }
+
+        var childNodes = Array.prototype.slice.call(tempHead.children);
         var head = document.head;
         var headHtml = head.innerHTML; //filter children remove if children has not been changed
 
diff --git a/dist/react-meta-tags.js b/dist/react-meta-tags.js
index 697040c..6590257 100644
--- a/dist/react-meta-tags.js
+++ b/dist/react-meta-tags.js
@@ -1,7 +1,7 @@
 /**
- * react-meta-tags - 0.7.3
+ * react-meta-tags - 0.7.4
  * Author : Sudhanshu Yadav
- * Copyright (c) 2016, 2018 to Sudhanshu Yadav, released under the MIT license.
+ * Copyright (c) 2016, 2019 to Sudhanshu Yadav, released under the MIT license.
  * https://github.com/s-yadav/react-meta-tags
  */
 
@@ -421,7 +421,15 @@
           }
 
           _this.lastChildStr = childStr;
-          var childNodes = Array.prototype.slice.call(_this.temporaryElement.querySelector('.react-head-temp').children);
+
+          var tempHead = _this.temporaryElement.querySelector('.react-head-temp'); // .react-head-temp might not exist when triggered from async action
+
+
+          if (tempHead === null) {
+            return;
+          }
+
+          var childNodes = Array.prototype.slice.call(tempHead.children);
           var head = document.head;
           var headHtml = head.innerHTML; //filter children remove if children has not been changed
 
diff --git a/dist/react-meta-tags.min.js b/dist/react-meta-tags.min.js
index 29380bb..00a54aa 100644
--- a/dist/react-meta-tags.min.js
+++ b/dist/react-meta-tags.min.js
@@ -1,8 +1,8 @@
 /**
- * react-meta-tags - 0.7.3
+ * react-meta-tags - 0.7.4
  * Author : Sudhanshu Yadav
- * Copyright (c) 2016, 2018 to Sudhanshu Yadav, released under the MIT license.
+ * Copyright (c) 2016, 2019 to Sudhanshu Yadav, released under the MIT license.
  * https://github.com/s-yadav/react-meta-tags
  */
 
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports,require("react"),require("react-dom")):"function"==typeof define&&define.amd?define(["exports","react","react-dom"],t):t(e.MetaTags={},e.React,e.ReactDOM)}(this,function(e,n,o){"use strict";var i="default"in n?n.default:n;function r(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function a(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}function c(e,t,n){return t&&a(e.prototype,t),n&&a(e,n),e}function t(e,t,n){return t in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}function u(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),t&&p(e,t)}function l(e){return(l=Object.setPrototypeOf?Object.getPrototypeOf:function(e){return e.__proto__||Object.getPrototypeOf(e)})(e)}function p(e,t){return(p=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e})(e,t)}function f(e,t){return!t||"object"!=typeof t&&"function"!=typeof t?function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e):t}o=o&&o.hasOwnProperty("default")?o.default:o;var s=Object.getOwnPropertySymbols,d=Object.prototype.hasOwnProperty,h=Object.prototype.propertyIsEnumerable;(function(){try{if(!Object.assign)return!1;var e=new String("abc");if(e[5]="de","5"===Object.getOwnPropertyNames(e)[0])return!1;for(var t={},n=0;n<10;n++)t["_"+String.fromCharCode(n)]=n;if("0123456789"!==Object.getOwnPropertyNames(t).map(function(e){return t[e]}).join(""))return!1;var r={};return"abcdefghijklmnopqrst".split("").forEach(function(e){r[e]=e}),"abcdefghijklmnopqrst"===Object.keys(Object.assign({},r)).join("")}catch(e){return!1}})()&&Object.assign;function y(){}var m,v=(function(e){e.exports=function(){function e(e,t,n,r,o,i){if("SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED"!==i){var a=new Error("Calling PropTypes validators directly is not supported by the `prop-types` package. Use PropTypes.checkPropTypes() to call them. Read more at http://fb.me/use-check-prop-types");throw a.name="Invariant Violation",a}}function t(){return e}var n={array:e.isRequired=e,bool:e,func:e,number:e,object:e,string:e,symbol:e,any:e,arrayOf:t,element:e,instanceOf:t,node:e,objectOf:t,oneOf:t,oneOfType:t,shape:t,exact:t};return n.checkPropTypes=y,n.PropTypes=n}()}(m={exports:{}},m.exports),m.exports),b=function(e){function t(){return r(this,t),f(this,l(t).apply(this,arguments))}return u(t,n.Component),c(t,[{key:"getChildContext",value:function(){return{extract:this.props.extract}}},{key:"render",value:function(){return n.Children.only(this.props.children)}}]),t}();t(b,"childContextTypes",{extract:v.func});var O=["property","name","itemprop"];function g(o){var i=document.head,e=o.id;return e?e&&i.querySelector("#".concat(e)):O.reduce(function(e,t){var n,r=o.getAttribute(t);return r?e.concat((n=i.querySelectorAll("[".concat(t,' = "').concat(r,'"]')),(n=Array.prototype.slice.call(n||[])).filter(function(e){return!e.id}))):e},[])}function j(e,t){void 0===t.length&&(t=[t]);for(var n=0,r=t.length;n<r;n++)e.removeChild(t[n])}var C=function(e){function t(){return r(this,t),f(this,l(t).apply(this,arguments))}return u(t,n.Component),c(t,[{key:"componentDidMount",value:function(){this.temporaryElement=document.createElement("div"),this.handleChildrens()}},{key:"componentDidUpdate",value:function(e){e.children!==this.props.children&&this.handleChildrens()}},{key:"componentWillUnmount",value:function(){this.temporaryElement&&o.unmountComponentAtNode(this.temporaryElement)}},{key:"extractChildren",value:function(){var e=this.context.extract,t=this.props.children;t&&e&&e(t)}},{key:"handleChildrens",value:function(){var r=this,e=this.props.children;if(!this.context.extract&&e){var t=i.createElement("div",{className:"react-head-temp"},e);o.render(t,this.temporaryElement,function(){var e=r.temporaryElement.innerHTML;if(r.lastChildStr!==e){r.lastChildStr=e;var t=Array.prototype.slice.call(r.temporaryElement.querySelector(".react-head-temp").children),i=document.head,n=i.innerHTML;(t=(t=t.filter(function(e){return-1===n.indexOf(e.outerHTML)})).map(function(e){return e.cloneNode(!0)})).forEach(function(e){var t=e.tagName.toLowerCase();if("title"===t){var n=document.head.querySelectorAll("title");n&&j(i,n)}else if("meta"===t){var r=g(e);r&&j(i,r)}else if("link"===t&&"canonical"===e.rel){var o=document.head.querySelectorAll('link[rel="canonical"]');o&&j(i,o)}}),function(e,t){void 0===t.length&&(t=[t]);for(var n=document.createDocumentFragment(),r=0,o=t.length;r<o;r++)n.appendChild(t[r]);e.appendChild(n)}(document.head,t)}})}}},{key:"render",value:function(){return this.extractChildren(),null}}]),t}();t(C,"contextTypes",{extract:v.func});var x=function(e){function t(){return r(this,t),f(this,l(t).apply(this,arguments))}return u(t,n.Component),c(t,[{key:"render",value:function(){return i.createElement(C,null,i.createElement("title",null,this.props.title))}}]),t}();t(x,"propTypes",{title:v.string}),e.default=C,e.MetaTags=C,e.MetaTagsContext=b,e.ReactTitle=x,Object.defineProperty(e,"__esModule",{value:!0})});
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports,require("react"),require("react-dom")):"function"==typeof define&&define.amd?define(["exports","react","react-dom"],t):t(e.MetaTags={},e.React,e.ReactDOM)}(this,function(e,n,r){"use strict";var i="default"in n?n.default:n;function o(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function a(e,t){for(var n=0;n<t.length;n++){var r=t[n];r.enumerable=r.enumerable||!1,r.configurable=!0,"value"in r&&(r.writable=!0),Object.defineProperty(e,r.key,r)}}function c(e,t,n){return t&&a(e.prototype,t),n&&a(e,n),e}function t(e,t,n){return t in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}function u(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),t&&p(e,t)}function l(e){return(l=Object.setPrototypeOf?Object.getPrototypeOf:function(e){return e.__proto__||Object.getPrototypeOf(e)})(e)}function p(e,t){return(p=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e})(e,t)}function f(e,t){return!t||"object"!=typeof t&&"function"!=typeof t?function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e):t}r=r&&r.hasOwnProperty("default")?r.default:r;var s=Object.getOwnPropertySymbols,d=Object.prototype.hasOwnProperty,h=Object.prototype.propertyIsEnumerable;(function(){try{if(!Object.assign)return!1;var e=new String("abc");if(e[5]="de","5"===Object.getOwnPropertyNames(e)[0])return!1;for(var t={},n=0;n<10;n++)t["_"+String.fromCharCode(n)]=n;if("0123456789"!==Object.getOwnPropertyNames(t).map(function(e){return t[e]}).join(""))return!1;var r={};return"abcdefghijklmnopqrst".split("").forEach(function(e){r[e]=e}),"abcdefghijklmnopqrst"===Object.keys(Object.assign({},r)).join("")}catch(e){return!1}})()&&Object.assign;function y(){}var m,v=(function(e){e.exports=function(){function e(e,t,n,r,o,i){if("SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED"!==i){var a=new Error("Calling PropTypes validators directly is not supported by the `prop-types` package. Use PropTypes.checkPropTypes() to call them. Read more at http://fb.me/use-check-prop-types");throw a.name="Invariant Violation",a}}function t(){return e}var n={array:e.isRequired=e,bool:e,func:e,number:e,object:e,string:e,symbol:e,any:e,arrayOf:t,element:e,instanceOf:t,node:e,objectOf:t,oneOf:t,oneOfType:t,shape:t,exact:t};return n.checkPropTypes=y,n.PropTypes=n}()}(m={exports:{}},m.exports),m.exports),b=function(e){function t(){return o(this,t),f(this,l(t).apply(this,arguments))}return u(t,n.Component),c(t,[{key:"getChildContext",value:function(){return{extract:this.props.extract}}},{key:"render",value:function(){return n.Children.only(this.props.children)}}]),t}();t(b,"childContextTypes",{extract:v.func});var O=["property","name","itemprop"];function g(o){var i=document.head,e=o.id;return e?e&&i.querySelector("#".concat(e)):O.reduce(function(e,t){var n,r=o.getAttribute(t);return r?e.concat((n=i.querySelectorAll("[".concat(t,' = "').concat(r,'"]')),(n=Array.prototype.slice.call(n||[])).filter(function(e){return!e.id}))):e},[])}function j(e,t){void 0===t.length&&(t=[t]);for(var n=0,r=t.length;n<r;n++)e.removeChild(t[n])}var C=function(e){function t(){return o(this,t),f(this,l(t).apply(this,arguments))}return u(t,n.Component),c(t,[{key:"componentDidMount",value:function(){this.temporaryElement=document.createElement("div"),this.handleChildrens()}},{key:"componentDidUpdate",value:function(e){e.children!==this.props.children&&this.handleChildrens()}},{key:"componentWillUnmount",value:function(){this.temporaryElement&&r.unmountComponentAtNode(this.temporaryElement)}},{key:"extractChildren",value:function(){var e=this.context.extract,t=this.props.children;t&&e&&e(t)}},{key:"handleChildrens",value:function(){var o=this,e=this.props.children;if(!this.context.extract&&e){var t=i.createElement("div",{className:"react-head-temp"},e);r.render(t,this.temporaryElement,function(){var e=o.temporaryElement.innerHTML;if(o.lastChildStr!==e){o.lastChildStr=e;var t=o.temporaryElement.querySelector(".react-head-temp");if(null!==t){var n=Array.prototype.slice.call(t.children),i=document.head,r=i.innerHTML;(n=(n=n.filter(function(e){return-1===r.indexOf(e.outerHTML)})).map(function(e){return e.cloneNode(!0)})).forEach(function(e){var t=e.tagName.toLowerCase();if("title"===t){var n=document.head.querySelectorAll("title");n&&j(i,n)}else if("meta"===t){var r=g(e);r&&j(i,r)}else if("link"===t&&"canonical"===e.rel){var o=document.head.querySelectorAll('link[rel="canonical"]');o&&j(i,o)}}),function(e,t){void 0===t.length&&(t=[t]);for(var n=document.createDocumentFragment(),r=0,o=t.length;r<o;r++)n.appendChild(t[r]);e.appendChild(n)}(document.head,n)}}})}}},{key:"render",value:function(){return this.extractChildren(),null}}]),t}();t(C,"contextTypes",{extract:v.func});var x=function(e){function t(){return o(this,t),f(this,l(t).apply(this,arguments))}return u(t,n.Component),c(t,[{key:"render",value:function(){return i.createElement(C,null,i.createElement("title",null,this.props.title))}}]),t}();t(x,"propTypes",{title:v.string}),e.default=C,e.MetaTags=C,e.MetaTagsContext=b,e.ReactTitle=x,Object.defineProperty(e,"__esModule",{value:!0})});
diff --git a/lib/meta_tags.js b/lib/meta_tags.js
index 7aa271e..ccf4717 100644
--- a/lib/meta_tags.js
+++ b/lib/meta_tags.js
@@ -106,7 +106,15 @@ function (_Component) {
         }
 
         _this.lastChildStr = childStr;
-        var childNodes = Array.prototype.slice.call(_this.temporaryElement.querySelector('.react-head-temp').children);
+
+        var tempHead = _this.temporaryElement.querySelector('.react-head-temp'); // .react-head-temp might not exist when triggered from async action
+
+
+        if (tempHead === null) {
+          return;
+        }
+
+        var childNodes = Array.prototype.slice.call(tempHead.children);
         var head = document.head;
         var headHtml = head.innerHTML; //filter children remove if children has not been changed
 
diff --git a/package.json b/package.json
index 27f0a9e..adcdf57 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "react-meta-tags",
   "description": "Handle document meta/head tags in isomorphic react with ease.",
-  "version": "0.7.3",
+  "version": "0.7.4",
   "main": "lib/index.js",
   "author": "Sudhanshu Yadav",
   "license": "MIT",
-- 
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