tools: parse documentation metadata

This commit introduces the Documentation YAML metadata concept to the
documentation.

- Parses added or Added for HTML
- Parses all data for JSON

Ref: https://github.com/nodejs/node/pull/3867
Ref: https://github.com/nodejs/node/issues/3713
Ref: https://github.com/nodejs/node/issues/6470
PR-URL: https://github.com/nodejs/node/pull/6495
Reviewed-By: Robert Jefe Lindstaedt <robert.lindstaedt@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/tools/doc/generate.js b/tools/doc/generate.js
index ff14cbd5e8..9048b484ce 100644
--- a/tools/doc/generate.js
+++ b/tools/doc/generate.js
@@ -1,15 +1,15 @@
 'use strict';
 
-var processIncludes = require('./preprocess.js');
-var fs = require('fs');
+const processIncludes = require('./preprocess.js');
+const fs = require('fs');
 
 // parse the args.
 // Don't use nopt or whatever for this.  It's simple enough.
 
-var args = process.argv.slice(2);
-var format = 'json';
-var template = null;
-var inputFile = null;
+const args = process.argv.slice(2);
+let format = 'json';
+let template = null;
+let inputFile = null;
 
 args.forEach(function(arg) {
   if (!arg.match(/^\-\-/)) {