Extract description from page's front matter

Fixes #1079 and #795

1 files changed, 13 insertions, 0 deletions

diff --git a/lib/page/html.js b/lib/page/html.js
index bd9ec91..bce6cd2 100644
--- a/lib/page/html.js
+++ b/lib/page/html.js
@@ -14,6 +14,9 @@ function HTMLPipeline(htmlString, opts) {
     _.bindAll(this);
 
     this.opts = _.defaults(opts || {}, {
+        // Called once the description has been found
+        onDescription: function(description) { },
+
         // Calcul new href for a relative link
         onRelativeLink: _.identity,
 
@@ -178,11 +181,21 @@ HTMLPipeline.prototype.applyAnnotations = function() {
     });
 };
 
+// Extract page description from html
+// This can totally be improved
+HTMLPipeline.prototype.extractDescription = function() {
+    var $p = this.$('p').first();
+    var description = $p.text().trim().slice(0, 155);
+
+    this.opts.onDescription(description);
+};
+
 // Write content to the pipeline
 HTMLPipeline.prototype.output = function() {
     var that = this;
 
     return Promise()
+    .then(this.extractDescription)
     .then(this.transformImages)
     .then(this.transformHeadings)
     .then(this.transformCodeBlocks)