feat: update dependencies + add TypeScript types

.gitignore

@@ -1,3 +1,4 @@
 node_modules
 npm-debug.*
 test/coverage
+.nyc_output

.npmrc

@@ -0,0 +1 @@
+strict-peer-dependencies=false

.travis.yml

@@ -1,5 +1,5 @@
 language: node_js
 node_js:
-  - "4"
-  - "6"
+  - "12"
+  - "16"
 script: "npm run test-travis"

index.d.ts

@@ -0,0 +1,2 @@
+declare function isLinkWorking(link: string): Promise<boolean>
+export = isLinkWorking

index.js

@@ -16,7 +16,7 @@ function isOnlineAsPromise() {
     isOnlineCache = new Promise((resolve, reject) => {
         isOnline((err, online) => {
             if (err) {
-                delete isOnlineCache.promise;  // Do not cache errors
+                delete isOnlineCache.promise; // Do not cache errors
                 /* istanbul ignore next */
                 reject(err);
             } else {
@@ -32,14 +32,14 @@ function isOnlineAsPromise() {
 
 function checkConnectivity(requestErr) {
     return isOnlineAsPromise()
-    .catch(() => { throw requestErr; })
-    .then((online) => {
-        if (!online) {
-            throw requestErr;
-        }
+        .catch(() => { throw requestErr; })
+        .then((online) => {
+            if (!online) {
+                throw requestErr;
+            }
 
-        return false;
-    });
+            return false;
+        });
 }
 
 class DevNull extends WritableStream {
@@ -50,7 +50,7 @@ class DevNull extends WritableStream {
 
 function tryHead(link, gotOptions) {
     return got.head(link, gotOptions)
-    .then(() => true);
+        .then(() => true);
 }
 
 function tryGet(link, options, gotOptions) {
@@ -65,29 +65,29 @@ function tryGet(link, options, gotOptions) {
         }
 
         stream
-        .on('request', (req_) => { req = req_; })
-        .on('response', (res) => {
-            res.on('error', () => {});  // Swallow any response errors, because we are going to abort the request
-            setImmediate(() => req.abort());
-            resolve(true);
-        })
-        .on('error', (err, body, res) => {
-            res && res.on('error', () => {});  // Swallow any response errors, because we are going to abort the request
-            setImmediate(() => req.abort());
-
-            if (err instanceof got.MaxRedirectsError || err instanceof got.HTTPError || err instanceof got.UnsupportedProtocolError) {
-                return resolve(false);
-            }
+            .on('request', (req_) => { req = req_; })
+            .on('response', (res) => {
+                res.on('error', () => {}); // Swallow any response errors, because we are going to abort the request
+                setImmediate(() => req.abort());
+                resolve(true);
+            })
+            .on('error', (err, body, res) => {
+                res && res.on('error', () => {}); // Swallow any response errors, because we are going to abort the request
+                setImmediate(() => req.abort());
+
+                if (err instanceof got.MaxRedirectsError || err instanceof got.HTTPError || err instanceof got.UnsupportedProtocolError) {
+                    return resolve(false);
+                }
+
+                /* istanbul ignore else */
+                if (err instanceof got.RequestError) {
+                    return resolve(options.checkConnectivity ? checkConnectivity(err) : false);
+                }
 
-            /* istanbul ignore else */
-            if (err instanceof got.RequestError) {
-                return resolve(options.checkConnectivity ? checkConnectivity(err) : false);
-            }
-
-            /* istanbul ignore next */
-            reject(err);
-        })
-        .pipe(new DevNull());
+                /* istanbul ignore next */
+                reject(err);
+            })
+            .pipe(new DevNull());
     });
 }
 
@@ -113,7 +113,7 @@ function isLinkWorking(link, options) {
     };
 
     return tryHead(link, gotOptions)
-    .catch(() => tryGet(link, options, gotOptions));
+        .catch(() => tryGet(link, options, gotOptions));
 }
 
 module.exports = isLinkWorking;

package.json

@@ -4,11 +4,12 @@
   "description": "Checks if a given link is working or broken",
   "main": "index.js",
   "scripts": {
-    "lint": "eslint '{*.js,test/**/*.js}' --ignore-pattern=test/coverage",
-    "test": "mocha --bail",
-    "test-cov": "istanbul cover --dir test/coverage _mocha -- --bail && echo Coverage lies in test/coverage/lcov-report/index.html",
-    "test-travis": "istanbul cover _mocha --report lcovonly -- --bail && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js"
+    "lint": "eslint *.js test/**/*.js --ignore-pattern=test/coverage",
+    "test": "mocha --timeout 10000 --bail",
+    "test-cov": "nyc --dir test/coverage _mocha -- --timeout 10000 --bail && echo Coverage lies in test/coverage/lcov-report/index.html",
+    "test-travis": "nyc _mocha --report lcovonly -- --timeout 10000 --bail && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js"
   },
+  "types": "./index.d.ts",
   "bugs": {
     "url": "https://github.com/IndigoUnited/node-is-link-working/issues/"
   },
@@ -29,18 +30,18 @@
   "author": "IndigoUnited <[email protected]> (http://indigounited.com)",
   "license": "MIT",
   "dependencies": {
-    "got": "^7.0.0",
-    "is-online": "^7.0.0"
+    "got": "^11.8.5",
+    "is-online": "^9.0.1"
   },
   "devDependencies": {
-    "@satazor/eslint-config": "^3.0.0",
-    "chai": "^4.0.0",
-    "coveralls": "^2.11.6",
-    "eslint": "^3.0.0",
-    "istanbul": "^0.4.1",
-    "mocha": "^3.0.2",
-    "mock-require": "^2.0.0",
-    "nock": "^9.0.0",
+    "@satazor/eslint-config": "^3.2.0",
+    "chai": "^4.3.6",
+    "coveralls": "^3.1.1",
+    "eslint": "^8.21.0",
+    "mocha": "^10.0.0",
+    "mock-require": "^3.0.3",
+    "nock": "^13.2.9",
+    "nyc": "^15.1.0",
     "promise-delay": "^2.1.0"
   },
   "engines": {