modernize build test and lint

.babelrc.js

@@ -0,0 +1 @@
+module.exports = { presets: ['@babel/env'] };

.eslintrc

@@ -10,6 +10,10 @@
   globals:
     Promise: true
 
+  parserOptions:
+    sourceType: module
+    ecmaVersion: 2016
+
   rules:
     array-bracket-spacing: [2, "never"]
     brace-style: [2, "1tbs"]

.travis.yml

@@ -1,8 +1,10 @@
-branches:
-  only:
-    - master
 language: node_js
 node_js:
-  - "node"
-  - "6"
+  - "10"
+  - "12"
+  - "14"
 sudo: false
+script:
+  - npm run build
+  - npm run test
+  - npm run lint

bin/json-refs

@@ -29,7 +29,7 @@
 // Set here so that commander does the right thing
 process.stdout.columns = 120;
 
-var JsonRefs = require('..');
+var JsonRefs = require('../dist/json-refs.cjs');
 var program = require('commander');
 var pkg = require('../package.json');
 var YAML = require('js-yaml');

dist/json-refs.cjs.js

@@ -0,0 +1,16 @@
+"use strict";
+// this file might look strange and you might be wondering what it's for
+// it's lets you import your source files by importing this entrypoint
+// as you would import it if it was built with preconstruct build
+// this file is slightly different to some others though
+// it has a require hook which compiles your code with Babel
+// this means that you don't have to set up @babel/register or anything like that
+// but you can still require this module and it'll be compiled
+
+// this bit of code imports the require hook and registers it
+let unregister = require("../node_modules/@preconstruct/hook").___internalHook(typeof __dirname === 'undefined' ? undefined : __dirname, "..", "..");
+
+// this re-exports the source file
+module.exports = require("../src/index.js");
+
+unregister();

dist/json-refs.esm.js

@@ -0,0 +1 @@
+/Users/chris/oss/json-refs/src/index.js