Remove html5shiv (#1482)

* Fix typo

* Lock file changes after running 'npm install --lockfile-version 1' w/ Node 14

* Format file prior to change

* Remove the html5shiv JS package & all references to it

* Remove the copy-webpack-plugin JS package as no longer used

---------

Co-authored-by: Manuel Kaufmann <[email protected]>

.gitignore

@@ -23,8 +23,6 @@ sphinx_rtd_theme/static/fonts/RobotoSlab/
 .node-version
 .tool-versions
 .nvmrc
-sphinx_rtd_theme/static/js/html5shiv.min.js
-sphinx_rtd_theme/static/js/html5shiv-printshiv.min.js
 .direnv/
 .envrc
 # Used for dockerized builds

Dockerfile

@@ -1,4 +1,4 @@
-# This implicitely includes Python 3.10
+# This implicitly includes Python 3.10
 FROM node:14-alpine
 
 # Do not use --update since that will also fetch the

package.json

@@ -17,15 +17,12 @@
     "url": "https://github.com/readthedocs/sphinx_rtd_theme/issues"
   },
   "homepage": "https://github.com/readthedocs/sphinx_rtd_theme",
-  "dependencies": {},
   "devDependencies": {
     "bourbon": "~4.3",
     "bourbon-neat": "~1.9",
-    "copy-webpack-plugin": "^5.1.2",
     "css-loader": "^3.6.0",
     "file-loader": "^3.0.1",
     "font-awesome": "^4.7.0",
-    "html5shiv": "^3.7.3",
     "imports-loader": "^0.8.0",
     "jquery": "^3.6.0",
     "lato-font": "^3.0.0",

sphinx_rtd_theme/layout.html

@@ -58,9 +58,6 @@
 
   {#- JAVASCRIPTS #}
   {%- block scripts %}
-  <!--[if lt IE 9]>
-    <script src="{{ pathto('_static/js/html5shiv.min.js', 1) }}"></script>
-  <![endif]-->
   {%- if not embedded %}
     {%- for scriptfile in script_files %}
       {{ js_tag(scriptfile) }}

webpack.common.js

@@ -1,6 +1,5 @@
 const path = require("path");
 const MiniCssExtractPlugin = require("mini-css-extract-plugin");
-const CopyPlugin = require('copy-webpack-plugin');
 
 module.exports = {
   entry: {
@@ -66,11 +65,5 @@ module.exports = {
       filename: "css/[name].css?[hash]",
       chunkFilename: "css/[name].css?[hash]"
     }),
-    new CopyPlugin([
-      {
-        from: 'node_modules/html5shiv/dist/*.min.js',
-        flatten: true,
-        to: path.resolve(__dirname,'sphinx_rtd_theme/static/js') },
-    ]),
   ]
 };