error if no fetch and no xhr implementation found #96

.eslintrc

@@ -16,6 +16,6 @@
   },
   "rules": {
     "array-bracket-spacing": 0,
-    "node/no-callback-literal": 0
+    "n/no-callback-literal": 0
   }
 }

i18nextHttpBackend.js

@@ -6,6 +6,8 @@ if (typeof fetch === 'function') {
     fetchApi = global.fetch
   } else if (typeof window !== 'undefined' && window.fetch) {
     fetchApi = window.fetch
+  } else {
+    fetchApi = fetch
   }
 }
 
@@ -395,6 +397,8 @@ var request = function request(options, url, payload, callback) {
   if ((0, _utils.hasXMLHttpRequest)() || typeof ActiveXObject === 'function') {
     return requestWithXmlHttpRequest(options, url, payload, callback);
   }
+
+  callback(new Error('No fetch and no xhr implementation found!'));
 };
 
 var _default = request;

lib/getFetch.cjs

@@ -1,10 +1,12 @@
-/* eslint-disable no-var */
+/* eslint-disable no-var, no-undef */
 var fetchApi
 if (typeof fetch === 'function') {
   if (typeof global !== 'undefined' && global.fetch) {
     fetchApi = global.fetch
   } else if (typeof window !== 'undefined' && window.fetch) {
     fetchApi = window.fetch
+  } else {
+    fetchApi = fetch
   }
 }
 

lib/index.js

@@ -100,7 +100,7 @@ class Backend {
       if (typeof this.options.addPath === 'function') {
         addPath = this.options.addPath(lng, namespace)
       }
-      const url = this.services.interpolator.interpolate(addPath, { lng: lng, ns: namespace })
+      const url = this.services.interpolator.interpolate(addPath, { lng, ns: namespace })
 
       this.options.request(this.options, url, payload, (data, res) => {
         // TODO: if res.status === 4xx do log

lib/request.js

@@ -122,6 +122,8 @@ const request = (options, url, payload, callback) => {
     // use xml http request
     return requestWithXmlHttpRequest(options, url, payload, callback)
   }
+
+  callback(new Error('No fetch and no xhr implementation found!'))
 }
 
 export default request

package.json

@@ -23,24 +23,24 @@
   },
   "types": "./index.d.ts",
   "devDependencies": {
-    "@babel/cli": "7.16.8",
-    "@babel/core": "7.16.10",
-    "@babel/preset-env": "7.16.11",
+    "@babel/cli": "7.18.10",
+    "@babel/core": "7.19.1",
+    "@babel/preset-env": "7.19.1",
     "babel-plugin-add-module-exports": "1.0.4",
     "browserify": "17.0.0",
-    "eslint": "7.32.0",
-    "eslint-config-standard": "16.0.3",
-    "eslint-plugin-import": "2.25.4",
-    "eslint-plugin-node": "11.1.0",
-    "eslint-plugin-promise": "5.2.0",
+    "eslint": "8.23.1",
+    "eslint-config-standard": "17.0.0",
+    "eslint-plugin-import": "2.26.0",
+    "eslint-plugin-n": "15.2.5",
+    "eslint-plugin-promise": "6.0.1",
     "eslint-plugin-require-path-exists": "1.1.9",
     "eslint-plugin-standard": "5.0.0",
     "expect.js": "0.3.1",
-    "i18next": "21.6.6",
+    "i18next": "21.9.2",
     "json-server": "0.17.0",
-    "json5": "2.2.0",
-    "mocha": "9.1.4",
-    "uglify-js": "3.14.5",
+    "json5": "2.2.1",
+    "mocha": "10.0.0",
+    "uglify-js": "3.17.0",
     "xmlhttprequest": "1.8.0"
   },
   "description": "i18next-http-backend is a backend layer for i18next using in Node.js, in the browser and for Deno.",
@@ -60,8 +60,8 @@
   "license": "MIT",
   "scripts": {
     "lint": "eslint .",
-    "compile:esm": "rm -rf esm && mkdir esm && BABEL_ENV=esm babel lib -d esm && cp lib/getFetch.cjs esm/getFetch.cjs && rm -f esm/getFetch.js && node -e \"fs.writeFileSync('esm/getFetch.cjs', fs.readFileSync('esm/getFetch.cjs').toString().replace('/* eslint-disable no-var */\\n', ''))\"",
-    "compile:cjs": "rm -rf cjs && mkdir cjs && BABEL_ENV=cjs babel lib -d cjs && echo '{\"type\":\"commonjs\"}' > cjs/package.json && cp lib/getFetch.cjs cjs/getFetch.js && node -e \"fs.writeFileSync('cjs/getFetch.js', fs.readFileSync('cjs/getFetch.js').toString().replace('/* eslint-disable no-var */\\n', ''))\" && node -e \"fs.writeFileSync('cjs/request.js', fs.readFileSync('cjs/request.js').toString().replace('getFetch.cjs', 'getFetch.js'))\"",
+    "compile:esm": "rm -rf esm && mkdir esm && BABEL_ENV=esm babel lib -d esm && cp lib/getFetch.cjs esm/getFetch.cjs && rm -f esm/getFetch.js && node -e \"fs.writeFileSync('esm/getFetch.cjs', fs.readFileSync('esm/getFetch.cjs').toString().replace('/* eslint-disable no-var, no-undef */\\n', ''))\"",
+    "compile:cjs": "rm -rf cjs && mkdir cjs && BABEL_ENV=cjs babel lib -d cjs && echo '{\"type\":\"commonjs\"}' > cjs/package.json && cp lib/getFetch.cjs cjs/getFetch.js && node -e \"fs.writeFileSync('cjs/getFetch.js', fs.readFileSync('cjs/getFetch.js').toString().replace('/* eslint-disable no-var, no-undef */\\n', ''))\" && node -e \"fs.writeFileSync('cjs/request.js', fs.readFileSync('cjs/request.js').toString().replace('getFetch.cjs', 'getFetch.js'))\"",
     "compile": "npm run compile:esm && npm run compile:cjs",
     "browser": "browserify --ignore cross-fetch --standalone i18nextHttpBackend cjs/index.js -o i18nextHttpBackend.js && uglifyjs i18nextHttpBackend.js --compress --mangle -o i18nextHttpBackend.min.js",
     "build": "npm run compile && npm run browser",