fix: don't remove wanted whitespace when removing tags (closes #177)

joakimbeng · joakimbeng · commit 8078cd9ca01c · 2016-05-18T09:36:30.000+02:00
diff --git a/src/inject/expected/issue177.html b/src/inject/expected/issue177.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <title>gulp-inject</title>
+  <link rel="import" href="/fixtures/component.html">
+  <link rel="stylesheet" href="/fixtures/styles.css">
+  <link rel="stylesheet" href="/fixtures/morestyles.css">
+  <link rel="stylesheet" href="/fixtures/andevenmore.css">
+</head>
+<body>
+  <img src="/fixtures/image.png">
+
+  <script src="/fixtures/lib.js"></script>
+
+  <script type="text/jsx" src="/fixtures/lib.jsx"></script>
+</body>
+</html>
diff --git a/src/inject/index.js b/src/inject/index.js
@@ -130,6 +130,7 @@ function getNewContent(target, collection, opt) {
       endTag: endTag,
       tagsToInject: tagsToInject,
       removeTags: opt.removeTags,
+      empty: opt.empty,
       willInject: function (filesToInject) {
         injectedFilesCount += filesToInject.length;
       },
@@ -151,6 +152,7 @@ function getNewContent(target, collection, opt) {
       endTag: endTag,
       tagsToInject: [],
       removeTags: opt.removeTags,
+      empty: opt.empty,
       shouldAbort: function (match) {
         return matches.indexOf(match[0]) !== -1;
       }
@@ -207,8 +209,10 @@ function inject(content, opt) {
     var newContents = content.slice(0, startMatch.index);
 
     if (opt.removeTags) {
-      // Take care of content length change:
-      startTag.lastIndex -= startMatch[0].length;
+      if (opt.empty) {
+        // Take care of content length change:
+        startTag.lastIndex -= startMatch[0].length;
+      }
     } else {
       // <startMatch> + <endMatch>
       toInject.unshift(startMatch[0]);
diff --git a/src/inject/inject_test.js b/src/inject/inject_test.js
@@ -471,6 +471,23 @@ describe('gulp-inject', function () {
     streamShouldContain(stream, ['removeTags.html'], done);
   });
 
+  it('should be able to remove tags without removing whitespace (issue #177)', function (done) {
+    var target = src(['template.html'], {read: true});
+    var sources = src([
+      'lib.js',
+      'component.html',
+      'styles.css',
+      'morestyles.css',
+      'andevenmore.css',
+      'image.png',
+      'lib.jsx'
+    ]);
+
+    var stream = target.pipe(inject(sources, {removeTags: true}));
+
+    streamShouldContain(stream, ['issue177.html'], done);
+  });
+
   it('should not produce log output if quiet option is set', function (done) {
     var logOutput = [];
     gutil.log = function () {
