Update dependencies

Author: Rui Marinho

.babelrc

@@ -2,15 +2,16 @@
   "env": {
     "test": {
       "plugins": [
-        "add-module-exports",
-          ["transform-async-to-module-method", {
-            "module": "bluebird",
-            "method": "coroutine"
-          }],
-          "istanbul"
-        ]
+        "@babel/transform-async-to-generator",
+        "istanbul"
+      ]
     }
   },
-  "plugins": ["add-module-exports"],
-  "presets": ["es2015-node4"]
+  "presets": [
+    ["@babel/preset-env", {
+      "targets": {
+        "node": "current"
+      }
+    }]
+  ]
 }

package.json

@@ -44,21 +44,21 @@
     "standard-error": "^1.1.0"
   },
   "devDependencies": {
-    "babel-cli": "^6.4.0",
-    "babel-eslint": "^8.0.1",
-    "babel-plugin-add-module-exports": "^0.2.1",
-    "babel-plugin-istanbul": "^2.0.0",
-    "babel-plugin-transform-async-to-module-method": "^6.5.2",
-    "babel-preset-es2015-node4": "^2.0.2",
-    "babel-register": "^6.3.13",
-    "eslint": "^4.4.1",
+    "@babel/cli": "^7.0.0-beta.32",
+    "@babel/core": "^7.0.0-beta.32",
+    "@babel/plugin-transform-async-to-generator": "^7.0.0-beta.32",
+    "@babel/polyfill": "^7.0.0-beta.32",
+    "@babel/preset-env": "^7.0.0-beta.32",
+    "@babel/register": "^7.0.0-beta.32",
+    "babel-eslint": "^8.0.0",
+    "babel-plugin-istanbul": "^4.1.5",
+    "eslint": "4.11.0",
     "eslint-config-uphold": "0.0.1",
-    "isparta": "^4.0.0",
-    "mocha": "^3.0.2",
-    "nock": "^8.0.0",
-    "nyc": "^8.1.0",
+    "mocha": "^4.0.1",
+    "nock": "^9.1.0",
+    "nyc": "^11.3.0",
     "pre-commit": "^1.1.2",
-    "should": "^11.1.0"
+    "should": "^13.1.3"
   },
   "engines": {
     "node": ">=4"
@@ -72,7 +72,7 @@
     "sourceMap": false
   },
   "options": {
-    "mocha": "--compilers js:babel-register --timeout 20000 --recursive --require should"
+    "mocha": "--require @babel/register --require @babel/polyfill --timeout 20000 --recursive --require should"
   },
   "pre-commit": [
     "lint"

src/index.js

@@ -261,7 +261,13 @@ _.forOwn(methods, (range, method) => {
 });
 
 /**
- * Export Client class.
+ * Export Client class (ESM).
  */
 
 export default Client;
+
+/**
+ * Export Client class (CJS) for compatibility with require('bitcoin-core').
+ */
+
+module.exports = Client;