From 5a65349831fd2a72b6ae3668db4fd299041b910b Mon Sep 17 00:00:00 2001
From: Ashley Williams <ashley666ashley@gmail.com>
Date: Mon, 31 Oct 2016 15:53:28 -0400
Subject: [PATCH] separate packagize code into separate dep, pkgize

---
 lib/plugin/packagize.js | 72 -----------------------------------------
 lib/render.js           |  2 +-
 package.json            |  1 +
 3 files changed, 2 insertions(+), 73 deletions(-)
 delete mode 100644 lib/plugin/packagize.js

diff --git a/lib/plugin/packagize.js b/lib/plugin/packagize.js
deleted file mode 100644
index 75f7f51..0000000
--- a/lib/plugin/packagize.js
+++ /dev/null
@@ -1,72 +0,0 @@
-// markdown-it plugin to add some helper classes to existing elements that look
-// like duplicates of package names and descriptions
-//
-var similarity = require('similarity')
-var tokenUtil = require('../token-util')
-
-module.exports = function (md, opts) {
-  if (!opts) return
-  if (!opts.package) return
-  if (!opts.package.name) return
-
-  var packageName = opts.package.name
-  var packageDescription = opts.package.description + '' // invalid description in some cases can cause a crash
-
-  //
-  // process the first <h1> element
-  //
-  var originalHeadingRule = md.renderer.rules.heading_open
-  md.renderer.rules.heading_open = function (tokens, idx, options, env, self) {
-    if (tokens[idx].tag === 'h1' && !env.packagizeHeadingDone) {
-      // extract the text from the heading's 'inline' token
-      var text = tokenUtil.getText(tokens[idx + 1])
-
-      // check to see if the heading text matches the package name
-      if (
-        similarity(packageName, text) > 0.6 ||
-        similarity(packageName.replace(/^@[^\/]+\//, ''), text) > 0.6 || // filter out scope name
-        ~text.toLowerCase().indexOf(packageName.toLowerCase())
-      ) {
-        tokens[idx].attrJoin('class', 'package-name-redundant')
-      }
-
-      // check to see if the heading text matches the package description
-      if (packageDescription && (
-        similarity(packageDescription, text) > 0.6 ||
-        ~text.toLowerCase().indexOf(packageDescription.toLowerCase())
-        )) {
-        tokens[idx].attrJoin('class', 'package-description-redundant')
-      }
-
-      // only inspect the first h1; skip the rest
-      env.packagizeHeadingDone = true
-    }
-    return originalHeadingRule.call(this, tokens, idx, options, env, self)
-  }
-
-  //
-  // process the first paragraph that contains text
-  //
-  var originalParagraphRule = md.renderer.rules.paragraph_open
-  md.renderer.rules.paragraph_open = function (tokens, idx, options, env, self) {
-    if (!env.packagizeParagraphDone) {
-      // extract the text from the paragraph's 'inline' token
-      var text = tokenUtil.getText(tokens[idx + 1])
-
-      // check to see if the paragraph text matches the description
-      if (similarity(packageDescription, text) > 0.6) {
-        tokens[idx].attrJoin('class', 'package-description-redundant')
-      }
-
-      // inspect the first paragraph that contains text; skip the rest
-      if (text) {
-        env.packagizeParagraphDone = true
-      }
-    }
-    if (originalParagraphRule) {
-      return originalParagraphRule.call(this, tokens, idx, options, env, self)
-    } else {
-      return md.renderer.renderToken(tokens, idx, options)
-    }
-  }
-}
diff --git a/lib/render.js b/lib/render.js
index ef09457..5765276 100644
--- a/lib/render.js
+++ b/lib/render.js
@@ -15,7 +15,7 @@ var github = require('./plugin/github')
 var youtube = require('./plugin/youtube')
 var cdnImages = require('./plugin/cdn')
 var badges = require('./plugin/badges')
-var packagize = require('./plugin/packagize')
+var packagize = require('pkgize')
 var relaxedLinkRefs = require('./gfm/relaxed-link-reference')
 var githubHeadings = require('./gfm/indented-headings')
 
diff --git a/package.json b/package.json
index e302663..9908128 100644
--- a/package.json
+++ b/package.json
@@ -55,6 +55,7 @@
     "markdown-it-expand-tabs": "^1.0.7",
     "markdown-it-lazy-headers": "^0.1.3",
     "markdown-it-task-lists": "^1.0.0",
+    "pkgize": "^0.1.1",
     "property-ttl": "^1.0.0",
     "sanitize-html": "^1.6.1",
     "similarity": "^1.0.1"