1 files changed, 17 insertions, 11 deletions
diff --git a/lib/output/modifiers/svgToImg.js b/lib/output/modifiers/svgToImg.js
index d088e3e..f31b06d 100644
--- a/lib/output/modifiers/svgToImg.js
+++ b/lib/output/modifiers/svgToImg.js
@@ -1,8 +1,10 @@
 var path = require('path');
+var crc = require('crc');
 var domSerializer = require('dom-serializer');
 
 var editHTMLElement = require('./editHTMLElement');
 var fs = require('../../utils/fs');
+var LocationUtils = require('../../utils/location');
 
 /**
     Render a cheerio DOM as html
@@ -26,23 +28,27 @@ function renderDOM($, dom, options) {
     @param {String} baseFolder
     @param {HTMLDom} $
 */
-function svgToImg(baseFolder, $) {
+function svgToImg(baseFolder, currentFile, $) {
+    var currentDirectory = path.dirname(currentFile);
+
     return editHTMLElement($, 'svg', function($svg) {
         var content = '<?xml version="1.0" encoding="UTF-8"?>' +
             renderDOM($, $svg);
 
-        // Generate a filename
-        return fs.uniqueFilename(baseFolder, 'image.svg')
-        .then(function(fileName) {
-            var filePath = path.join(baseFolder, fileName);
+        // We avoid generating twice the same PNG
+        var hash = crc.crc32(content).toString(16);
+        var fileName = hash + '.svg';
+        var filePath = path.join(baseFolder, fileName);
 
-            // Write the svg to the file
-            return fs.writeFile(filePath, content, 'utf8')
+        // Write the svg to the file
+        return fs.assertFile(filePath, function() {
+            return fs.writeFile(filePath, content, 'utf8');
+        })
 
-            // Return as image
-            .then(function() {
-                $svg.replaceWith('<img src="/' + fileName + '" />');
-            });
+        // Return as image
+        .then(function() {
+            var src = LocationUtils.relative(currentDirectory, fileName);
+            $svg.replaceWith('<img src="' + src + '" />');
         });
     });
 }