some environments, throws when accessing document.cookie (backported …

…from 8.0.2)

CHANGELOG.md

@@ -1,3 +1,7 @@
+### 7.2.2
+
+- some environments, throws when accessing document.cookie (backported from 8.0.2)
+
 ### 7.2.1
 
 - fix: align addDetector impementation to type definition [282](https://github.com/i18next/i18next-browser-languageDetector/issues/282)

i18nextBrowserLanguageDetector.js

@@ -4,10 +4,8 @@
   (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.i18nextBrowserLanguageDetector = factory());
 })(this, (function () { 'use strict';
 
-  function _classCallCheck(instance, Constructor) {
-    if (!(instance instanceof Constructor)) {
-      throw new TypeError("Cannot call a class as a function");
-    }
+  function _classCallCheck(a, n) {
+    if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function");
   }
 
   function _typeof(o) {
@@ -20,38 +18,32 @@
     }, _typeof(o);
   }
 
-  function _toPrimitive(input, hint) {
-    if (_typeof(input) !== "object" || input === null) return input;
-    var prim = input[Symbol.toPrimitive];
-    if (prim !== undefined) {
-      var res = prim.call(input, hint || "default");
-      if (_typeof(res) !== "object") return res;
+  function toPrimitive(t, r) {
+    if ("object" != _typeof(t) || !t) return t;
+    var e = t[Symbol.toPrimitive];
+    if (void 0 !== e) {
+      var i = e.call(t, r || "default");
+      if ("object" != _typeof(i)) return i;
       throw new TypeError("@@toPrimitive must return a primitive value.");
     }
-    return (hint === "string" ? String : Number)(input);
+    return ("string" === r ? String : Number)(t);
   }
 
-  function _toPropertyKey(arg) {
-    var key = _toPrimitive(arg, "string");
-    return _typeof(key) === "symbol" ? key : String(key);
+  function toPropertyKey(t) {
+    var i = toPrimitive(t, "string");
+    return "symbol" == _typeof(i) ? i : i + "";
   }
 
-  function _defineProperties(target, props) {
-    for (var i = 0; i < props.length; i++) {
-      var descriptor = props[i];
-      descriptor.enumerable = descriptor.enumerable || false;
-      descriptor.configurable = true;
-      if ("value" in descriptor) descriptor.writable = true;
-      Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor);
+  function _defineProperties(e, r) {
+    for (var t = 0; t < r.length; t++) {
+      var o = r[t];
+      o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, toPropertyKey(o.key), o);
     }
   }
-  function _createClass(Constructor, protoProps, staticProps) {
-    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
-    if (staticProps) _defineProperties(Constructor, staticProps);
-    Object.defineProperty(Constructor, "prototype", {
-      writable: false
-    });
-    return Constructor;
+  function _createClass(e, r, t) {
+    return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", {
+      writable: !1
+    }), e;
   }
 
   var arr = [];
@@ -322,9 +314,19 @@
     }
   };
 
+  // some environments, throws when accessing document.cookie
+  var canCookies = false;
+  try {
+    // eslint-disable-next-line no-unused-expressions
+    document.cookie;
+    canCookies = true;
+    // eslint-disable-next-line no-empty
+  } catch (e) {}
+  var order = ['querystring', 'cookie', 'localStorage', 'sessionStorage', 'navigator', 'htmlTag'];
+  if (!canCookies) order.splice(1, 1);
   function getDefaults() {
     return {
-      order: ['querystring', 'cookie', 'localStorage', 'sessionStorage', 'navigator', 'htmlTag'],
+      order: order,
       lookupQuerystring: 'lng',
       lookupCookie: 'i18next',
       lookupLocalStorage: 'i18nextLng',
@@ -348,7 +350,7 @@
       this.detectors = {};
       this.init(services, options);
     }
-    _createClass(Browser, [{
+    return _createClass(Browser, [{
       key: "init",
       value: function init(services) {
         var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
@@ -412,7 +414,6 @@
         });
       }
     }]);
-    return Browser;
   }();
   Browser.type = 'languageDetector';
 

src/index.js

@@ -8,9 +8,20 @@ import htmlTag from './browserLookups/htmlTag.js';
 import path from './browserLookups/path.js';
 import subdomain from './browserLookups/subdomain.js';
 
+// some environments, throws when accessing document.cookie
+let canCookies = false;
+try {
+  // eslint-disable-next-line no-unused-expressions
+  document.cookie;
+  canCookies = true;
+// eslint-disable-next-line no-empty
+} catch (e) {}
+const order = ['querystring', 'cookie', 'localStorage', 'sessionStorage', 'navigator', 'htmlTag'];
+if (!canCookies) order.splice(1, 1);
+
 function getDefaults() {
   return {
-    order: ['querystring', 'cookie', 'localStorage', 'sessionStorage', 'navigator', 'htmlTag'],
+    order,
     lookupQuerystring: 'lng',
     lookupCookie: 'i18next',
     lookupLocalStorage: 'i18nextLng',