chore: update dependencies, use jest, drop node 4 and 6

.babelrc

@@ -1,9 +1,12 @@
 {
-  "presets": [
-    ["env", {
-        "targets": {
-            "node": "4"
-        }
-    }]
-  ]
-}
+    "presets": [
+        [
+            "@babel/env",
+            {
+                "targets": {
+                    "node": "4"
+                }
+            }
+        ]
+    ]
+}

.ncurc

@@ -0,0 +1,5 @@
+{
+  "reject": [
+    "semver"
+  ]
+}

.npmignore

@@ -3,8 +3,6 @@
 .eslintignore
 .eslintrc.yml
 .npmignore
-.nyc_output
 .travis.yml
-artifacts
 src
 tests

.travis.yml

@@ -1,7 +1,7 @@
 language: node_js
 node_js:
-  - 4
-  - 6
   - 8
   - 9
   - 10
+  - 12
+  - 14

package.json

@@ -1,35 +1,34 @@
 {
-    "author": "Suneil Nyamathi <snyamathi@gmail.com>",
-    "bugs": "https://github.com/snyamathi/semver-intersect/issues",
-    "contributors": [],
-    "dependencies": {
-        "semver": "^5.0.0"
-    },
+    "name": "semver-intersect",
+    "version": "1.4.0",
     "description": "Get the intersection of multiple semver ranges",
-    "devDependencies": {
-        "babel-cli": "^6.26.0",
-        "babel-preset-env": "^1.6.1",
-        "babel-register": "^6.26.0",
-        "chai": "^4.0.0",
-        "eslint": "^5.0.0",
-        "jenkins-mocha": "^6.0.0"
-    },
     "keywords": [
         "semver"
     ],
-    "license": "MIT",
-    "main": "semver-intersect.js",
-    "name": "semver-intersect",
+    "bugs": "https://github.com/snyamathi/semver-intersect/issues",
     "repository": {
         "type": "git",
         "url": "git@github.com:snyamathi/semver-intersect.git"
     },
+    "license": "MIT",
+    "author": "Suneil Nyamathi <snyamathi@gmail.com>",
+    "contributors": [],
+    "main": "semver-intersect.js",
     "scripts": {
         "build": "babel src -d .",
         "lint": "eslint .",
         "prepublish": "npm run build",
         "pretest": "npm run build",
-        "test": "jenkins-mocha tests/unit --recursive --compilers js:babel-register"
+        "test": "jest"
+    },
+    "dependencies": {
+        "semver": "^6.3.0"
     },
-    "version": "1.4.0"
-}
+    "devDependencies": {
+        "@babel/cli": "^7.8.4",
+        "@babel/core": "^7.9.0",
+        "@babel/preset-env": "^7.9.5",
+        "eslint": "^6.8.0",
+        "jest": "^25.4.0"
+    }
+}