From c085114ebf075f3436f4a5eceacf7e96d5b89f40 Mon Sep 17 00:00:00 2001
From: Remy Sharp <remy@remysharp.com>
Date: Sun, 31 Jul 2016 15:18:25 +0100
Subject: [PATCH] fix: ensure svg viewBox is kept

Fixes #102

Use lowerCaseAttributeNames=false when SVG present
---
 lib/index.js                           |  7 ++++-
 lib/svgo-config.js                     | 39 --------------------------
 lib/tasks/svg.js                       | 14 +++++----
 test/fixtures/inline-svg.result.html   |  2 +-
 test/fixtures/svg-compress.result.html |  2 +-
 test/fixtures/svg-viewbox.result.html  |  1 +
 test/fixtures/svg-viewbox.src.html     |  5 ++++
 7 files changed, 22 insertions(+), 48 deletions(-)
 delete mode 100644 lib/svgo-config.js
 create mode 100644 test/fixtures/svg-viewbox.result.html
 create mode 100644 test/fixtures/svg-viewbox.src.html

diff --git a/lib/index.js b/lib/index.js
index ff27167..c5af86a 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -251,10 +251,15 @@ function main() {
 
     // if we spot some SVG elements in the source,
     // then we'll parse as XML to correctly get the SVG
-    if (body.indexOf('<?xml') !== -1 || body.indexOf('<?XML') !== -1) {
+    if (body.indexOf('<?xml') !== -1 ||
+        body.indexOf('<?XML') !== -1) {
       cheerioLoadOptions.xmlMode = true;
     }
 
+    if (body.indexOf('<svg') !== -1) {
+      cheerioLoadOptions.lowerCaseAttributeNames = false;
+    }
+
     var todo = inliner.findAssets(body, cheerioLoadOptions);
     var $ = todo.$;
     delete todo.$;
diff --git a/lib/svgo-config.js b/lib/svgo-config.js
deleted file mode 100644
index 056599b..0000000
--- a/lib/svgo-config.js
+++ /dev/null
@@ -1,39 +0,0 @@
-module.exports = { plugins: [
-  { removeDoctype: true },
-  { removeXMLProcInst: true },
-  { removeComments: true },
-  { removeMetadata: true },
-  { removeEditorsNSData: true },
-  { cleanupAttrs: true },
-  { convertStyleToAttrs: true },
-  { cleanupIDs: true },
-  { removeRasterImages: true },
-  { removeUselessDefs: true },
-  { cleanupNumericValues: true },
-  { cleanupListOfValues: true },
-  { convertColors: true },
-  { removeUnknownsAndDefaults: true },
-  { removeNonInheritableGroupAttrs: true },
-  { removeUselessStrokeAndFill: true },
-  { removeViewBox: true },
-  { cleanupEnableBackground: true },
-  { removeHiddenElems: true },
-  { removeEmptyText: true },
-  { convertShapeToPath: true },
-  { moveElemsAttrsToGroup: true },
-  { moveGroupAttrsToElems: true },
-  { collapseGroups: true },
-  { convertPathData: true },
-  { convertTransform: true },
-  { removeEmptyAttrs: true },
-  { removeEmptyContainers: true },
-  { mergePaths: true },
-  { removeUnusedNS: true },
-  { transformsWithOnePath: true },
-  { sortAttrs: true },
-  { removeTitle: true },
-  { removeDesc: true },
-  { removeDimensions: true },
-  { removeAttrs: true },
-  { addClassesToSVGElement: true },
-], };
\ No newline at end of file
diff --git a/lib/tasks/svg.js b/lib/tasks/svg.js
index 077185a..9f3f4ab 100644
--- a/lib/tasks/svg.js
+++ b/lib/tasks/svg.js
@@ -19,10 +19,10 @@ function resolve(inliner, todo, $) {
       debug('optimising svg');
 
       // reconstruct the SVG element outer tag
-      var top = '<svg ' + Object.keys(svg.attribs).reduce(function (acc, curr) {
-        acc.push(curr + '="' + svg.attribs[curr] + '"');
-        return acc;
-      }, []).join(' ') + '>';
+      // console.log(Object.keys(svg.attribs).map(_ => `${_}="${svg.attribs[_]}"`));
+      var top = '<svg ' + Object.keys(svg.attribs).map(function (key) {
+        return key + '="' + svg.attribs[key] + '"';
+      }).join(' ') + '>';
 
       source = top + source + '</svg>';
 
@@ -31,13 +31,15 @@ function resolve(inliner, todo, $) {
           debug('svg failed', result.error);
           return;
         }
-        debug('optimised again');
+        debug('optimisation complete');
 
         $svg.replaceWith(result.data);
       });
 
+      inliner.jobs.done.svg();
+
       resolve();
     });
 
   });
-}
\ No newline at end of file
+}
diff --git a/test/fixtures/inline-svg.result.html b/test/fixtures/inline-svg.result.html
index 6618b9f..a54bc1b 100644
--- a/test/fixtures/inline-svg.result.html
+++ b/test/fixtures/inline-svg.result.html
@@ -1 +1 @@
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diff --git a/test/fixtures/svg-compress.result.html b/test/fixtures/svg-compress.result.html
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+++ b/test/fixtures/svg-viewbox.result.html
@@ -0,0 +1 @@
+<button data-menu="menu-primary-menu" id="toogle-menu" title="menu"> <svg class="bnw-icon_api-mobile-menu" viewBox="0 0 512 512"><path d="M0 0zm53 431c-4 0-8-4-8-9v-64c0-5 4-9 8-9h406c4 0 8 4 8 9v64c0 5-4 9-8 9zm0-128c-4 0-8-4-8-9v-64c0-5 4-9 8-9h406c4 0 8 4 8 9v64c0 5-4 9-8 9zm0-128c-4 0-8-4-8-9v-64c0-5 4-9 8-9h406c4 0 8 4 8 9v64c0 5-4 9-8 9z"/></svg> </button> 
diff --git a/test/fixtures/svg-viewbox.src.html b/test/fixtures/svg-viewbox.src.html
new file mode 100644
index 0000000..c86aca3
--- /dev/null
+++ b/test/fixtures/svg-viewbox.src.html
@@ -0,0 +1,5 @@
+<button data-menu="menu-primary-menu" id="toogle-menu" title="menu">
+  <svg class="bnw-icon_api-mobile-menu" viewBox="0 0 512 512">
+<path d="m0 0z m53 431c-4 0-8-4-8-9l0-64c0-5 4-9 8-9l406 0c4 0 8 4 8 9l0 64c0 5-4 9-8 9z m0-128c-4 0-8-4-8-9l0-64c0-5 4-9 8-9l406 0c4 0 8 4 8 9l0 64c0 5-4 9-8 9z m0-128c-4 0-8-4-8-9l0-64c0-5 4-9 8-9l406 0c4 0 8 4 8 9l0 64c0 5-4 9-8 9z"></path>
+  </svg>
+</button>