move highlight.js to npm/webpack (#10011)

- introduced window.config to help with js-based lazy-loading - adjusted webpack chunk naming to avoid 'vendors~name.js' that webpack defaults to for vendor chunks. - added theme class to html and prefixed all selectors. this is neccesary so that the theme styles win over the lazy-loaded ones. Co-authored-by: zeripath <art27@cantab.net>
2026-10-21 21:23:30 +02:00 · 2020-01-28 23:57:20 +02:00
1 parent d879353632
commit b9690d7c0b
@@ -19,7 +19,6 @@ globals:
  CodeMirror: false
  Dropzone: false
  emojify: false
-  hljs: false
  SimpleMDE: false
  u2fApi: false
  Vue: false
@@ -7341,6 +7341,11 @@
      "integrity": "sha512-l9sfDFsuqtOqKDsQdqrMRk0U85RZc0RtOR9yPI7mRVOa4FsR/BVnZ0shmQRM96Ji99kYZP/7hn1cedc1+ApsTQ==",
      "dev": true
    },
+    "highlight.js": {
+      "version": "9.18.0",
+      "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.18.0.tgz",
+      "integrity": "sha512-A97kI1KAUzKoAiEoaGcf2O9YPS8nbDTCRFokaaeBhnqjQTvbAuAJrQMm21zw8s8xzaMtCQBtgbyGXLGxdxQyqQ=="
+    },
    "hmac-drbg": {
      "version": "1.0.1",
      "resolved": "https://registry.npmjs.org/hmac-drbg/-/hmac-drbg-1.0.1.tgz",
@@ -6,6 +6,7 @@
  },
  "dependencies": {
    "fomantic-ui": "2.8.3",
+    "highlight.js": "9.18.0",
    "jquery": "3.4.1",
    "jquery-migrate": "3.1.0",
    "swagger-ui": "3.24.3",
@@ -26,8 +26,8 @@ Version: 1.1.0
 File(s): /vendor/plugins/dropzone/dropzone.js
 Version: 4.2.0

-File(s): /vendor/plugins/highlight/highlight.pack.js
-Version: 2b46620c9d62e9becf5f25969b5ccc41fa1da470
+File(s): /js/highlight.js
+Version: 9.18.0

 File(s): /vendor/plugins/jquery.datetimepicker/jquery.datetimepicker.js
 Version: 2.4.5
@@ -66,9 +66,9 @@
          <td><a href="https://github.com/enyo/dropzone/archive/v4.2.0.tar.gz">dropzone.js-4.2.0.tar.gz</a></td>
        </tr>
        <tr>
-          <td><a href="./plugins/highlight/highlight.pack.js">highlight.pack.js</a></td>
+          <td><a href="./highlight.js">highlight.js</a></td>
          <td><a href="https://github.com/highlightjs/highlight.js/blob/master/LICENSE">BSD 3-Clause</a></td>
-          <td><a href="https://github.com/highlightjs/highlight.js/archive/2b46620c.tar.gz">highlight.js-2b46620c.tar.gz</a></td>
+          <td><a href="https://github.com/highlightjs/highlight.js/archive/9.18.0.tar.gz">highlight.js.tar.gz</a></td>
        </tr>
        <tr>
          <td><a href="./plugins/jquery.datetimepicker/jquery.datetimepicker.js">jquery.datetimepicker.js</a></td>
@@ -1,25 +0,0 @@
-Copyright (c) 2006, Ivan Sagalaev
-All rights reserved.
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-    * Redistributions of source code must retain the above copyright
-      notice, this list of conditions and the following disclaimer.
-    * Redistributions in binary form must reproduce the above copyright
-      notice, this list of conditions and the following disclaimer in the
-      documentation and/or other materials provided with the distribution.
-    * Neither the name of highlight.js nor the names of its contributors 
-      may be used to endorse or promote products derived from this software 
-      without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
-EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
-DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
@@ -1,99 +0,0 @@
-/*
-
-Original highlight.js style (c) Ivan Sagalaev <maniac@softwaremaniacs.org>
-
-*/
-
-.hljs {
-  display: block;
-  overflow-x: auto;
-  padding: 0.5em;
-  background: #F0F0F0;
-}
-
-
-/* Base color: saturation 0; */
-
-.hljs,
-.hljs-subst {
-  color: #444;
-}
-
-.hljs-comment {
-  color: #888888;
-}
-
-.hljs-keyword,
-.hljs-attribute,
-.hljs-selector-tag,
-.hljs-meta-keyword,
-.hljs-doctag,
-.hljs-name {
-  font-weight: bold;
-}
-
-
-/* User color: hue: 0 */
-
-.hljs-type,
-.hljs-string,
-.hljs-number,
-.hljs-selector-id,
-.hljs-selector-class,
-.hljs-quote,
-.hljs-template-tag,
-.hljs-deletion {
-  color: #880000;
-}
-
-.hljs-title,
-.hljs-section {
-  color: #880000;
-  font-weight: bold;
-}
-
-.hljs-regexp,
-.hljs-symbol,
-.hljs-variable,
-.hljs-template-variable,
-.hljs-link,
-.hljs-selector-attr,
-.hljs-selector-pseudo {
-  color: #BC6060;
-}
-
-
-/* Language color: hue: 90; */
-
-.hljs-literal {
-  color: #78A960;
-}
-
-.hljs-built_in,
-.hljs-bullet,
-.hljs-code,
-.hljs-addition {
-  color: #397300;
-}
-
-
-/* Meta color: hue: 200 */
-
-.hljs-meta {
-  color: #1f7199;
-}
-
-.hljs-meta-string {
-  color: #4d99bf;
-}
-
-
-/* Misc effects */
-
-.hljs-emphasis {
-  font-style: italic;
-}
-
-.hljs-strong {
-  font-weight: bold;
-}
@@ -1,99 +0,0 @@
-/*
-
-github.com style (c) Vasily Polovnyov <vast@whiteants.net>
-
-*/
-
-.hljs {
-  display: block;
-  overflow-x: auto;
-  padding: 0.5em;
-  color: #333;
-  background: #f8f8f8;
-}
-
-.hljs-comment,
-.hljs-quote {
-  color: #998;
-  font-style: italic;
-}
-
-.hljs-keyword,
-.hljs-selector-tag,
-.hljs-subst {
-  color: #333;
-  font-weight: bold;
-}
-
-.hljs-number,
-.hljs-literal,
-.hljs-variable,
-.hljs-template-variable,
-.hljs-tag .hljs-attr {
-  color: #008080;
-}
-
-.hljs-string,
-.hljs-doctag {
-  color: #d14;
-}
-
-.hljs-title,
-.hljs-section,
-.hljs-selector-id {
-  color: #900;
-  font-weight: bold;
-}
-
-.hljs-subst {
-  font-weight: normal;
-}
-
-.hljs-type,
-.hljs-class .hljs-title {
-  color: #458;
-  font-weight: bold;
-}
-
-.hljs-tag,
-.hljs-name,
-.hljs-attribute {
-  color: #000080;
-  font-weight: normal;
-}
-
-.hljs-regexp,
-.hljs-link {
-  color: #009926;
-}
-
-.hljs-symbol,
-.hljs-bullet {
-  color: #990073;
-}
-
-.hljs-built_in,
-.hljs-builtin-name {
-  color: #0086b3;
-}
-
-.hljs-meta {
-  color: #999;
-  font-weight: bold;
-}
-
-.hljs-deletion {
-  background: #fdd;
-}
-
-.hljs-addition {
-  background: #dfd;
-}
-
-.hljs-emphasis {
-  font-style: italic;
-}
-
-.hljs-strong {
-  font-weight: bold;
-}
@@ -1,2 +0,0 @@
-/*! highlight.js v9.15.6 | BSD3 License | git.io/hljslicense */
-!function(e){var t="object"==typeof window&&window||"object"==typeof self&&self;"undefined"!=typeof exports?e(exports):t&&(t.hljs=e({}),"function"==typeof define&&define.amd&&define([],function(){return t.hljs}))}(function(i){var p=[],l=Object.keys,b={},m={},t=/^(no-?highlight|plain|text)$/i,u=/\blang(?:uage)?-([\w-]+)\b/i,r=/((^(<[^>]+>|\t|)+|(?:\n)))/gm,a={case_insensitive:"cI",lexemes:"l",contains:"c",keywords:"k",subLanguage:"sL",className:"cN",begin:"b",beginKeywords:"bK",end:"e",endsWithParent:"eW",illegal:"i",excludeBegin:"eB",excludeEnd:"eE",returnBegin:"rB",returnEnd:"rE",relevance:"r",variants:"v",IDENT_RE:"IR",UNDERSCORE_IDENT_RE:"UIR",NUMBER_RE:"NR",C_NUMBER_RE:"CNR",BINARY_NUMBER_RE:"BNR",RE_STARTERS_RE:"RSR",BACKSLASH_ESCAPE:"BE",APOS_STRING_MODE:"ASM",QUOTE_STRING_MODE:"QSM",PHRASAL_WORDS_MODE:"PWM",C_LINE_COMMENT_MODE:"CLCM",C_BLOCK_COMMENT_MODE:"CBCM",HASH_COMMENT_MODE:"HCM",NUMBER_MODE:"NM",C_NUMBER_MODE:"CNM",BINARY_NUMBER_MODE:"BNM",CSS_NUMBER_MODE:"CSSNM",REGEXP_MODE:"RM",TITLE_MODE:"TM",UNDERSCORE_TITLE_MODE:"UTM",COMMENT:"C",beginRe:"bR",endRe:"eR",illegalRe:"iR",lexemesRe:"lR",terminators:"t",terminator_end:"tE"},T="</span>",C={classPrefix:"hljs-",tabReplace:null,useBR:!1,languages:void 0};function f(e){return e.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;")}function S(e){return e.nodeName.toLowerCase()}function R(e,t){var r=e&&e.exec(t);return r&&0===r.index}function E(e){return t.test(e)}function c(e){var t,r={},a=Array.prototype.slice.call(arguments,1);for(t in e)r[t]=e[t];return a.forEach(function(e){for(t in e)r[t]=e[t]}),r}function g(e){var i=[];return function e(t,r){for(var a=t.firstChild;a;a=a.nextSibling)3===a.nodeType?r+=a.nodeValue.length:1===a.nodeType&&(i.push({event:"start",offset:r,node:a}),r=e(a,r),S(a).match(/br|hr|img|input/)||i.push({event:"stop",offset:r,node:a}));return r}(e,0),i}function o(e){if(a&&!e.langApiRestored){for(var t in e.langApiRestored=!0,a)e[t]&&(e[a[t]]=e[t]);(e.c||[]).concat(e.v||[]).forEach(o)}}function N(n){function _(e){return e&&e.source||e}function s(e,t){return new RegExp(_(e),"m"+(n.cI?"i":"")+(t?"g":""))}!function t(r,e){if(!r.compiled){if(r.compiled=!0,r.k=r.k||r.bK,r.k){var 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a+f(u.substr(t))}(),u=""}function c(e){m+=e.cN?l(e.cN,"",!0):"",p=Object.create(e,{parent:{value:p}})}function a(e,t){if(u+=e,null==t)return _(),0;var r=function(e,t){var r,a,i;for(r=0,a=t.c.length;r<a;r++)if(R(t.c[r].bR,e))return t.c[r].endSameAsBegin&&(t.c[r].eR=(i=t.c[r].bR.exec(e)[0],new RegExp(i.replace(/[-\/\\^$*+?.()|[\]{}]/g,"\\$&"),"m"))),t.c[r]}(t,p);if(r)return r.skip?u+=t:(r.eB&&(u+=t),_(),r.rB||r.eB||(u=t)),c(r),r.rB?0:t.length;var a,i,o=function e(t,r){if(R(t.eR,r)){for(;t.endsParent&&t.parent;)t=t.parent;return t}if(t.eW)return e(t.parent,r)}(p,t);if(o){var n=p;for(n.skip?u+=t:(n.rE||n.eE||(u+=t),_(),n.eE&&(u=t));p.cN&&(m+=T),p.skip||p.sL||(S+=p.r),(p=p.parent)!==o.parent;);return o.starts&&(o.endSameAsBegin&&(o.starts.eR=o.eR),c(o.starts)),n.rE?0:t.length}if(a=t,i=p,!s&&R(i.iR,a))throw new Error('Illegal lexeme "'+t+'" for mode "'+(p.cN||"<unnamed>")+'"');return u+=t,t.lLine truncated
@@ -24,9 +24,6 @@
 {{end}}

 <!-- Third-party libraries -->
-{{if .RequireHighlightJS}}
-	<script src="{{StaticUrlPrefix}}/vendor/plugins/highlight/highlight.pack.js"></script>
-{{end}}
 {{if .RequireMinicolors}}
 	<script src="{{StaticUrlPrefix}}/vendor/plugins/jquery.minicolors/jquery.minicolors.min.js"></script>
 {{end}}
@@ -83,6 +83,17 @@
        for the JavaScript code in this page.
 	*/`}}
 	</script>
+	<script>
+		window.config = {
+			Datetimepicker: {{if .RequireDatetimepicker}}true{{else}}false{{end}},
+			Dropzone: {{if .RequireDropzone}}true{{else}}false{{end}},
+			HighlightJS: {{if .RequireHighlightJS}}true{{else}}false{{end}},
+			Minicolors: {{if .RequireMinicolors}}true{{else}}false{{end}},
+			SimpleMDE: {{if .RequireSimpleMDE}}true{{else}}false{{end}},
+			Tribute: {{if .RequireTribute}}true{{else}}false{{end}},
+			U2F: {{if .RequireU2F}}true{{else}}false{{end}},
+		};
+	</script>
 	<link rel="shortcut icon" href="{{StaticUrlPrefix}}/img/favicon.png">
 	<link rel="apple-touch-icon" href="{{StaticUrlPrefix}}/img/favicon.png">
 	<link rel="mask-icon" href="{{StaticUrlPrefix}}/img/gitea-safari.svg" color="#609926">
@@ -106,10 +117,6 @@
 			.ui.secondary.menu .dropdown.item > .menu { margin-top: 0; }
 		</style>
 	</noscript>
-
-{{if .RequireHighlightJS}}
-	<link rel="stylesheet" href="{{StaticUrlPrefix}}/vendor/plugins/highlight/github.css">
-{{end}}
 {{if .RequireMinicolors}}
 	<link rel="stylesheet" href="{{StaticUrlPrefix}}/vendor/plugins/jquery.minicolors/jquery.minicolors.css">
 {{end}}
@@ -3,6 +3,7 @@ var urlsToCache = [
  // js
  '{{StaticUrlPrefix}}/fomantic/semantic.min.js?v={{MD5 AppVer}}',
  '{{StaticUrlPrefix}}/js/gitgraph.js',
+  '{{StaticUrlPrefix}}/js/highlight.js',
  '{{StaticUrlPrefix}}/js/index.js?v={{MD5 AppVer}}',
  '{{StaticUrlPrefix}}/js/jquery.js?v={{MD5 AppVer}}',
  '{{StaticUrlPrefix}}/js/swagger.js?v={{MD5 AppVer}}',
@@ -11,7 +12,6 @@ var urlsToCache = [
  '{{StaticUrlPrefix}}/vendor/plugins/codemirror/mode/meta.js',
  '{{StaticUrlPrefix}}/vendor/plugins/dropzone/dropzone.js',
  '{{StaticUrlPrefix}}/vendor/plugins/emojify/emojify.custom.js',
-  '{{StaticUrlPrefix}}/vendor/plugins/highlight/highlight.pack.js',
  '{{StaticUrlPrefix}}/vendor/plugins/jquery.areyousure/jquery.are-you-sure.js',
  '{{StaticUrlPrefix}}/vendor/plugins/jquery.datetimepicker/jquery.datetimepicker.js',
  '{{StaticUrlPrefix}}/vendor/plugins/jquery.minicolors/jquery.minicolors.min.js',
@@ -20,13 +20,13 @@ var urlsToCache = [

  // css
  '{{StaticUrlPrefix}}/css/gitgraph.css',
+  '{{StaticUrlPrefix}}/css/highlight.css',
  '{{StaticUrlPrefix}}/css/index.css?v={{MD5 AppVer}}',
  '{{StaticUrlPrefix}}/css/swagger.css?v={{MD5 AppVer}}',
  '{{StaticUrlPrefix}}/fomantic/semantic.min.css?v={{MD5 AppVer}}',
  '{{StaticUrlPrefix}}/vendor/assets/font-awesome/css/font-awesome.min.css',
  '{{StaticUrlPrefix}}/vendor/assets/octicons/octicons.min.css',
  '{{StaticUrlPrefix}}/vendor/plugins/dropzone/dropzone.css',
-  '{{StaticUrlPrefix}}/vendor/plugins/highlight/github.css',
  '{{StaticUrlPrefix}}/vendor/plugins/jquery.datetimepicker/jquery.datetimepicker.css',
  '{{StaticUrlPrefix}}/vendor/plugins/jquery.minicolors/jquery.minicolors.css',
  '{{StaticUrlPrefix}}/vendor/plugins/simplemde/simplemde.min.css',
@@ -0,0 +1,12 @@
+export default async function initHighlight() {
+  if (!window.config || !window.config.HighlightJS) return;
+
+  const hljs = await import(/* webpackChunkName: "highlight" */'highlight.js');
+
+  const nodes = [].slice.call(document.querySelectorAll('pre code') || []);
+  for (let i = 0; i < nodes.length; i++) {
+    hljs.highlightBlock(nodes[i]);
+  }
+
+  return hljs;
+}
@@ -6,7 +6,8 @@ import './publicPath.js';
 import './polyfills.js';
 import './gitGraphLoader.js';
 import './semanticDropdown.js';
-import initContextPopups from './features/contextPopup';
+import initContextPopups from './features/contextPopup.js';
+import initHighlight from './features/highlight.js';

 import ActivityTopAuthors from './components/ActivityTopAuthors.vue';

@@ -20,6 +21,7 @@ let previewFileModes;
 let simpleMDEditor;
 const commentMDEditors = {};
 let codeMirrorEditor;
+let hljs;

 // Disable Dropzone auto-discover because it's manually initialized
 if (typeof (Dropzone) !== 'undefined') {
@@ -2318,7 +2320,7 @@ function initTemplateSearch() {
  changeOwner();
 }

-$(document).ready(() => {
+$(document).ready(async () => {
  csrf = $('meta[name=_csrf]').attr('content');
  suburl = $('meta[name=_suburl]').attr('content');

@@ -2370,14 +2372,6 @@ $(document).ready(() => {
    window.location = $(this).data('href');
  });

-  // Highlight JS
-  if (typeof hljs !== 'undefined') {
-    const nodes = [].slice.call(document.querySelectorAll('pre code') || []);
-    for (let i = 0; i < nodes.length; i++) {
-      hljs.highlightBlock(nodes[i]);
-    }
-  }
-
  // Dropzone
  const $dropzone = $('#dropzone');
  if ($dropzone.length > 0) {
@@ -2591,6 +2585,10 @@ $(document).ready(() => {
      $repoName.val($cloneAddr.val().match(/^(.*\/)?((.+?)(\.git)?)$/)[3]);
    }
  });
+
+  [hljs] = await Promise.all([
+    initHighlight(),
+  ]);
 });

 function changeHash(hash) {
@@ -13,3 +13,4 @@
@import "_admin";
@import "_explore";
@import "_review";
+@import "~highlight.js/styles/github.css";
@@ -65,6 +65,10 @@ module.exports = {
        },
      }),
    ],
+    splitChunks: {
+      chunks: 'async',
+      name: (_, chunks) => chunks.map((item) => item.name).join('-'),
+    }
  },
  module: {
    rules: [
@@ -142,10 +146,8 @@ module.exports = {
    }),
    new SourceMapDevToolPlugin({
      filename: 'js/[name].js.map',
-      exclude: [
-        'js/gitgraph.js',
-        'js/jquery.js',
-        'js/swagger.js',
+      include: [
+        'js/index.js',
      ],
    }),
  ],
@@ -153,7 +155,9 @@ module.exports = {
    maxEntrypointSize: 512000,
    maxAssetSize: 512000,
    assetFilter: (filename) => {
-      return !filename.endsWith('.map') && filename !== 'js/swagger.js';
+      if (filename.endsWith('.map')) return false;
+      if (['js/swagger.js', 'js/highlight.js'].includes(filename)) return false;
+      return true;
    },
  },
  resolve: {