Drop node 4, update dependencies and status on maintenance

.travis.yml

@@ -1,6 +1,6 @@
 sudo: false
 language: node_js
 node_js:
-  - "4"
   - "6"
-  - "7"
+  - "8"
+  - "10"

README.md

@@ -12,6 +12,14 @@ In production mode, `strong-error-handler` omits details from error responses to
 
 In debug mode, `strong-error-handler` returns full error stack traces and internal details of any error objects to the client in the HTTP responses.
 
+## Supported versions
+
+Current|Long Term Support|Maintenance
+:-:|:-:|:-:
+3.x|2.x|1.x
+
+Learn more about our LTS plan in [docs](http://loopback.io/doc/en/contrib/Long-term-support.html).
+
 ## Installation
 
 ```bash

lib/content-negotiation.js

@@ -64,7 +64,7 @@ function negotiateContentProducer(req, logWarning, options) {
     } else {
       debug('contentType: `%s` is not supported, ' +
         'falling back to contentType: `%s`',
-         options.defaultType, contentType);
+      options.defaultType, contentType);
     }
   }
 

package.json

@@ -4,7 +4,7 @@
   "license": "MIT",
   "version": "2.3.2",
   "engines": {
-    "node": ">=4"
+    "node": ">=6"
   },
   "repository": {
     "type": "git",
@@ -18,19 +18,19 @@
   },
   "dependencies": {
     "accepts": "^1.3.3",
-    "debug": "^2.2.0",
-    "ejs": "^2.5.7",
-    "http-status": "^1.0.0",
+    "debug": "^3.1.0",
+    "ejs": "^2.6.1",
+    "http-status": "^1.1.2",
     "js2xmlparser": "^3.0.0",
-    "strong-globalize": "^3.1.0"
+    "strong-globalize": "^4.1.0"
   },
   "devDependencies": {
-    "chai": "^3.5.0",
-    "eslint": "^3.14.1",
-    "eslint-config-loopback": "^8.0.0",
-    "express": "^4.13.4",
-    "mocha": "^3.2.0",
-    "supertest": "^3.0.0"
+    "chai": "^4.1.2",
+    "eslint": "^4.19.1",
+    "eslint-config-loopback": "^10.0.0",
+    "express": "^4.16.3",
+    "mocha": "^5.2.0",
+    "supertest": "^3.1.0"
   },
   "browser": {
     "strong-error-handler": false

test/handler.test.js

@@ -16,6 +16,7 @@ var util = require('util');
 describe('strong-error-handler', function() {
   before(setupHttpServerAndClient);
   beforeEach(resetRequestHandler);
+  after(stopHttpServerAndClient);
 
   it('sets nosniff header', function(done) {
     givenErrorHandlerForError();
@@ -218,50 +219,50 @@ describe('strong-error-handler', function() {
     });
 
     it('includes code property for 4xx status codes when debug=false',
-    function(done) {
-      var error = new ErrorWithProps({
-        statusCode: 400,
-        message: 'error with code',
-        name: 'ErrorWithCode',
-        code: 'MACHINE_READABLE_CODE',
-      });
-      givenErrorHandlerForError(error, {debug: false});
-
-      requestJson().end(function(err, res) {
-        if (err) return done(err);
-
-        var expectedData = {
+      function(done) {
+        var error = new ErrorWithProps({
           statusCode: 400,
           message: 'error with code',
           name: 'ErrorWithCode',
           code: 'MACHINE_READABLE_CODE',
-        };
-        expect(res.body).to.have.property('error');
-        expect(res.body.error).to.eql(expectedData);
-        done();
+        });
+        givenErrorHandlerForError(error, {debug: false});
+
+        requestJson().end(function(err, res) {
+          if (err) return done(err);
+
+          var expectedData = {
+            statusCode: 400,
+            message: 'error with code',
+            name: 'ErrorWithCode',
+            code: 'MACHINE_READABLE_CODE',
+          };
+          expect(res.body).to.have.property('error');
+          expect(res.body.error).to.eql(expectedData);
+          done();
+        });
       });
-    });
 
     it('excludes code property for 5xx status codes when debug=false',
-    function(done) {
-      var error = new ErrorWithProps({
-        statusCode: 500,
-        code: 'MACHINE_READABLE_CODE',
-      });
-      givenErrorHandlerForError(error, {debug: false});
+      function(done) {
+        var error = new ErrorWithProps({
+          statusCode: 500,
+          code: 'MACHINE_READABLE_CODE',
+        });
+        givenErrorHandlerForError(error, {debug: false});
 
-      requestJson().end(function(err, res) {
-        if (err) return done(err);
+        requestJson().end(function(err, res) {
+          if (err) return done(err);
 
-        var expectedData = {
-          statusCode: 500,
-          message: 'Internal Server Error',
-        };
-        expect(res.body).to.have.property('error');
-        expect(res.body.error).to.eql(expectedData);
-        done();
+          var expectedData = {
+            statusCode: 500,
+            message: 'Internal Server Error',
+          };
+          expect(res.body).to.have.property('error');
+          expect(res.body.error).to.eql(expectedData);
+          done();
+        });
       });
-    });
 
     it('contains non-enumerable Error properties when debug=true',
       function(done) {
@@ -786,7 +787,7 @@ describe('strong-error-handler', function() {
   });
 });
 
-var app, _requestHandler, request;
+var app, _requestHandler, request, server;
 function resetRequestHandler() {
   _requestHandler = null;
 }
@@ -834,16 +835,20 @@ function setupHttpServerAndClient(done) {
     }
   });
 
-  app.listen(0, function() {
+  server = app.listen(0, function() {
     var url = 'http://127.0.0.1:' + this.address().port;
     debug('Test server listening on %s', url);
     request = supertest(app);
     done();
   })
-  .once('error', function(err) {
-    debug('Cannot setup HTTP server: %s', err.stack);
-    done(err);
-  });
+    .once('error', function(err) {
+      debug('Cannot setup HTTP server: %s', err.stack);
+      done(err);
+    });
+}
+
+function stopHttpServerAndClient() {
+  server.close();
 }
 
 function ErrorWithProps(props) {