Drop node 0.x support, update through2 and lab

only node LTS (4) + latest supported/tested now

Switch to arrow functions

circle.yml

@@ -1,3 +1,7 @@
 machine:
   node:
-    version: v0.10
+    version: v4.4.7
+dependencies:
+  # https://discuss.circleci.com/t/testing-multiple-versions-of-node/542
+  pre:
+    - case $CIRCLE_NODE_INDEX in 0) NODE_VERSION=4 ;; 1) NODE_VERSION=6 ;; esac; nvm install $NODE_VERSION && nvm alias default $NODE_VERSION

index.js

@@ -61,7 +61,7 @@ module.exports = function (config, marked_options) {
     if (util.isArray(input)){
       var data = {};
 
-      input.forEach(function (file) {
+      input.forEach(file => {
         const file_data = JSON.parse(parse(file).contents.toString());
 
         data = extend(file_data, data);

package.json

@@ -16,7 +16,7 @@
     "url": "https://github.com/sparkartgroupinc/gulp-markdown-to-json.git"
   },
   "engines": {
-    "node": ">=0.10.0"
+    "node": ">=4.4.7"
   },
   "scripts": {
     "lint": "semistandard **/*.js",
@@ -42,12 +42,12 @@
     "gulp-util": "^2.2.0",
     "marked": "^0.3.0",
     "sort-object": "^0.0.6",
-    "through2": "^0.4.0",
+    "through2": "^2.0.1",
     "util-extend": "^1.0.1"
   },
   "devDependencies": {
     "expect": "^1.20.2",
-    "lab": "^5.16.0",
+    "lab": "^10.9.0",
     "semistandard": "^8.0.0",
     "vinyl-fs": "~0.3.5"
   }

test/test.js

@@ -22,72 +22,72 @@ const fixtureConfig = [{
   contents: new Buffer('---\ntitle: lipsum ipsum\n---\n# Titulus\n*"tipsum"*')
 }];
 
-lab.experiment('Markdown and YAML parsing', function () {
-  lab.test('should parse Markdown content and return markup wrapped in JSON', function (done) {
+lab.experiment('Markdown and YAML parsing', () => {
+  lab.test('should parse Markdown content and return markup wrapped in JSON', done => {
     const fixture = new gutil.File(fixtureConfig[0]);
 
     markdown()
-      .on('data', function (file) {
+      .on('data', file => {
         expect(JSON.parse(file.contents.toString()));
         done();
       })
       .write(fixture);
   });
 
-  lab.test('should pass on configuration objects to the marked module', function (done) {
+  lab.test('should pass on configuration objects to the marked module', done => {
     const fixture = new gutil.File(fixtureConfig[0]);
 
     markdown({
       smartypants: true
     })
-    .on('data', function (file) {
+    .on('data', file => {
       expect(file.contents.toString().match(/“/));
       done();
     })
     .write(fixture);
   });
 
-  lab.test('should parse YAML front matter and merge keys', function (done) {
+  lab.test('should parse YAML front matter and merge keys', done => {
     const fixture = new gutil.File(fixtureConfig[0]);
 
     markdown()
-      .on('data', function (file) {
+      .on('data', file => {
         const json = JSON.parse(file.contents.toString());
         expect(json.title);
         done();
       })
       .write(fixture);
   });
 
-  lab.test('should extract a title if first line of Markdown is an atx-style h1', function (done) {
+  lab.test('should extract a title if first line of Markdown is an atx-style h1', done => {
     const fixture = new gutil.File(fixtureConfig[1]);
 
     markdown()
-      .on('data', function (file) {
+      .on('data', file => {
         const json = JSON.parse(file.contents.toString());
         expect(json.title && json.title === 'Titulus');
         done();
       })
       .write(fixture);
   });
 
-  lab.test('should extract a title if first line of Markdown is a setext-style h1', function (done) {
+  lab.test('should extract a title if first line of Markdown is a setext-style h1', done => {
     const fixture = new gutil.File(fixtureConfig[2]);
 
     markdown()
-      .on('data', function (file) {
+      .on('data', file => {
         const json = JSON.parse(file.contents.toString());
         expect(json.title && json.title === 'Titulus');
         done();
       })
       .write(fixture);
   });
 
-  lab.test('should prefer YAML front matter titles over a extracted Markdown h1', function (done) {
+  lab.test('should prefer YAML front matter titles over a extracted Markdown h1', done => {
     const fixture = new gutil.File(fixtureConfig[3]);
 
     markdown()
-      .on('data', function (file) {
+      .on('data', file => {
         const json = JSON.parse(file.contents.toString());
         expect(json.title && json.title === 'lipsum ipsum');
         done();
@@ -96,47 +96,47 @@ lab.experiment('Markdown and YAML parsing', function () {
   });
 });
 
-lab.experiment('Output', function () {
-  lab.test('should return JSON for all Markdown in a specified directory structure', function (done) {
+lab.experiment('Output', () => {
+  lab.test('should return JSON for all Markdown in a specified directory structure', done => {
     fs.src(fixturePath)
       .pipe(markdown())
-      .on('data', function (file) {
+      .on('data', file => {
         expect(JSON.parse(file.contents.toString()));
       })
       .on('finish', done);
   });
 
-  lab.test('should consolidate output into a single file if buffered with gulp-util', function (done) {
+  lab.test('should consolidate output into a single file if buffered with gulp-util', done => {
     const stream = fs.src(fixturePath)
       .pipe(gutil.buffer())
       .pipe(markdown());
 
-    stream.on('finish', function () {
+    stream.on('finish', () => {
       expect(stream._readableState.length).toEqual(1);
       expect(stream._readableState.buffer[0].path).toEqual('/content.json');
       done();
     });
   });
 
-  lab.test('should allow the single file to be renamed', function (done) {
+  lab.test('should allow the single file to be renamed', done => {
     const stream = fs.src(fixturePath)
       .pipe(gutil.buffer())
       .pipe(markdown('blog.json', {
         smartypants: true
       }));
 
-    stream.on('finish', function () {
+    stream.on('finish', () => {
       expect(stream._readableState.buffer[0].path).toEqual('/blog.json');
       expect(stream._readableState.buffer[0].contents.toString()).toInclude('“');
       done();
     });
   });
 
-  lab.test('should represent the directory structure as a nested object', function (done) {
+  lab.test('should represent the directory structure as a nested object', done => {
     fs.src(fixturePath)
       .pipe(gutil.buffer())
       .pipe(markdown())
-      .on('data', function (file) {
+      .on('data', file => {
         const json = JSON.parse(file.contents.toString());
         expect(json.blog.posts['oakland-activist']);
       })