Extract data URI image converter to images module

1 files changed, 12 insertions, 2 deletions

diff --git a/lib/images.js b/lib/images.js
index fef0ca3..c7d3ef5 100644
--- a/lib/images.js
+++ b/lib/images.js
@@ -3,7 +3,9 @@ var _ = require("underscore");
 var promises = require("./promises");
 var Html = require("./html");
 
-exports.imgElement = function(func) {
+exports.imgElement = imgElement;
+
+function imgElement(func) {
     return function(element, messages) {
         return promises.when(func(element)).then(function(result) {
             var attributes = _.clone(result);
@@ -13,7 +15,15 @@ exports.imgElement = function(func) {
             return [Html.freshElement("img", attributes)];
         });
     };
-};
+}
 
 // Undocumented, but retained for backwards-compatibility with 0.3.x
 exports.inline = exports.imgElement;
+
+exports.dataUri = imgElement(function(element) {
+    return element.read("base64").then(function(imageBuffer) {
+        return {
+            src: "data:" + element.contentType + ";base64," + imageBuffer
+        };
+    });
+});