Remove holder.js.

build/vnu-jar.js

@@ -25,9 +25,6 @@ childProcess.exec('java -version', (error, stdout, stderr) => {
     // Firefox's non-standard autocomplete behavior - see https://bugzilla.mozilla.org/show_bug.cgi?id=654072
     'Attribute “autocomplete” is only allowed when the input type is.*',
     'Attribute “autocomplete” not allowed on element “button” at this point.',
-    // We use holder.js with `data-src` and no `src` to avoid 404 errors;
-    // we could work around this, but I'm not sure it's worth it.
-    'Element “img” is missing required attribute “src”.',
     // Markup used in Components → Forms → Layout → Form grid → Horizontal form is currently invalid,
     // but used this way due to lack of support for flexbox layout on <fieldset> element in most browsers
     'Element “legend” not allowed as child of element “div” in this context.*',

js/tests/visual/toast.html

@@ -28,7 +28,7 @@
     <div class="notifications">
       <div id="toastAutoHide" class="toast" role="alert" aria-live="assertive" aria-atomic="true" data-delay="2000">
         <div class="toast-header">
-          <img class="rounded mr-2" data-src="holder.js/20x20?size=1&text=.&bg=#007aff" alt="">
+          <span class="d-block bg-primary rounded mr-2" style="width: 20px; height: 20px;"></span>
           <strong class="mr-auto">Bootstrap</strong>
           <small>11 mins ago</small>
         </div>
@@ -39,7 +39,7 @@
 
       <div class="toast" data-autohide="false" role="alert" aria-live="assertive" aria-atomic="true">
         <div class="toast-header">
-          <img class="rounded mr-2" data-src="holder.js/20x20?size=1&text=.&bg=#007aff" alt="">
+          <span class="d-block bg-primary rounded mr-2" style="width: 20px; height: 20px;"></span>
           <strong class="mr-auto">Bootstrap</strong>
           <small class="text-muted">2 seconds ago</small>
           <button type="button" class="ml-2 mb-1 close" data-dismiss="toast" aria-label="Close">

package.json

@@ -56,7 +56,7 @@
     "js-minify-main": "npm-run-all js-minify-standalone js-minify-bundle",
     "js-minify-standalone": "uglifyjs --compress typeofs=false --mangle --comments \"/^!/\" --source-map \"content=dist/js/bootstrap.js.map,includeSources,url=bootstrap.min.js.map\" --output dist/js/bootstrap.min.js dist/js/bootstrap.js",
     "js-minify-bundle": "uglifyjs --compress typeofs=false --mangle --comments \"/^!/\" --source-map \"content=dist/js/bootstrap.bundle.js.map,includeSources,url=bootstrap.bundle.min.js.map\" --output dist/js/bootstrap.bundle.min.js dist/js/bootstrap.bundle.js",
-    "js-minify-docs": "cross-env-shell uglifyjs --mangle --comments \\\"/^!/\\\" --output site/docs/$npm_package_version_short/assets/js/docs.min.js site/docs/$npm_package_version_short/assets/js/vendor/clipboard.min.js site/docs/$npm_package_version_short/assets/js/vendor/holder.min.js site/docs/$npm_package_version_short/assets/js/vendor/bs-custom-file-input.min.js \"site/docs/$npm_package_version_short/assets/js/src/*.js\"",
+    "js-minify-docs": "cross-env-shell uglifyjs --mangle --comments \\\"/^!/\\\" --output site/docs/$npm_package_version_short/assets/js/docs.min.js site/docs/$npm_package_version_short/assets/js/vendor/clipboard.min.js site/docs/$npm_package_version_short/assets/js/vendor/bs-custom-file-input.min.js \"site/docs/$npm_package_version_short/assets/js/src/*.js\"",
     "js-test": "npm-run-all js-test-karma*",
     "js-test-karma": "karma start js/tests/karma.conf.js",
     "js-test-karma-old": "cross-env USE_OLD_JQUERY=true npm run js-test-karma",

site/_includes/scripts.html

@@ -15,7 +15,6 @@
   <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/assets/js/docs.min.js"></script>
 {%- else -%}
   <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/assets/js/vendor/clipboard.min.js"></script>
-  <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/assets/js/vendor/holder.min.js"></script>
   <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/assets/js/vendor/bs-custom-file-input.min.js"></script>
   <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/assets/js/src/application.js"></script>
   <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/assets/js/src/search.js"></script>

site/_layouts/examples.html

@@ -41,10 +41,6 @@
         <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/dist/js/bootstrap.bundle.js"></script>
       {%- endif -%}
 
-      {%- if page.include_holder == true -%}
-        <script src="{{ site.baseurl }}/docs/{{ site.docs_version }}/assets/js/vendor/holder.min.js"></script>
-      {%- endif -%}
-
       {%- for js in page.extra_js %}
         <script src="{{ js }}"></script>
       {%- endfor %}

site/docs/4.1/assets/js/src/application.js

@@ -10,7 +10,7 @@
  * details, see https://creativecommons.org/licenses/by/3.0/.
  */
 
-/* global ClipboardJS: false, Holder: false, bsCustomFileInput: false */
+/* global ClipboardJS: false, bsCustomFileInput: false */
 
 (function ($) {
   'use strict'
@@ -103,14 +103,6 @@
 
     $('.bd-content > h2, .bd-content > h3, .bd-content > h4, .bd-content > h5').wrapInner('<div></div>')
 
-    // Holder
-    Holder.addTheme('gray', {
-      bg: '#777',
-      fg: 'rgba(255,255,255,.75)',
-      font: 'Helvetica',
-      fontweight: 'normal'
-    })
-
     bsCustomFileInput.init()
   })
 }(jQuery))