feat(client/code-note): add support for batch files

libraries/codemirror/batch.js

@@ -0,0 +1,51 @@
+// Source: https://github.com/deathau/cm-editor-syntax-highlight-obsidian/issues/27#issuecomment-1340586596
+(() => {
+    var varsAndArgsRegex = /(%[0-9]|%~\S+|%\S+%)/;
+
+    CodeMirror.defineSimpleMode("batch", {
+        start: [
+          {	//comment
+            regex: /(rem|::)(?:\s.*|$)/i,
+            token: "comment",
+            sol: true
+          },
+          {	//echo
+            regex: /(@echo|echo)/i,
+            token: "builtin",
+            sol: true,
+            next: "echo"
+          },
+          {	//commands
+            regex: /(?:\s|^)(assoc|aux|break|call|cd|chcp|chdir|choice|cls|cmdextversion|color|com1|com2|com3|com4|com|con|copy|country|ctty|date|defined|del|dir|do|dpath|else|endlocal|erase|errorlevel|exist|exit|for|ftype|goto|if|in|loadfix|loadhigh|lpt|lpt1|lpt2|lpt3|lpt4|md|mkdir|move|not|nul|path|pause|popd|prn|prompt|pushd|rd|rename|ren|rmdir|setlocal|set|shift|start|time|title|type|verify|ver|vol)(?:\s|$)/i,
+            token: "builtin"
+          },
+          {	//variables and arguments
+            regex: varsAndArgsRegex,
+            token: "variable-2"
+          },
+          {	//label
+            regex: /\s*:.*/,
+            token: "string",
+            sol: true
+          }
+        ],
+        echo: [
+          {	//highlight variables and arguments in echo command
+            regex: varsAndArgsRegex,
+            token: "variable-2"
+          },
+          {	//go back to start state at end of line
+            regex: /.$/,
+            next: "start"
+          }
+        ]
+    });
+
+    CodeMirror.defineMIME("application/x-bat", "batch");
+    CodeMirror.modeInfo.push({
+        ext: [ "bat", "cmd" ],
+        mime: "application/x-bat",
+        mode: "batch",
+        name: "Batch file"
+    });
+})();

src/public/app/services/library_loader.ts

@@ -12,21 +12,32 @@ const CKEDITOR: Library = {
 };
 
 const CODE_MIRROR: Library = {
-    js: [
-        "node_modules/codemirror/lib/codemirror.js",
-        "node_modules/codemirror/addon/display/placeholder.js",
-        "node_modules/codemirror/addon/edit/matchbrackets.js",
-        "node_modules/codemirror/addon/edit/matchtags.js",
-        "node_modules/codemirror/addon/fold/xml-fold.js",
-        "node_modules/codemirror/addon/lint/lint.js",
-        "node_modules/codemirror/addon/mode/loadmode.js",
-        "node_modules/codemirror/addon/mode/multiplex.js",
-        "node_modules/codemirror/addon/mode/overlay.js",
-        "node_modules/codemirror/addon/mode/simple.js",
-        "node_modules/codemirror/addon/search/match-highlighter.js",
-        "node_modules/codemirror/mode/meta.js",
-        "node_modules/codemirror/keymap/vim.js"
-    ],
+    js: () => {
+        const scriptsToLoad = [
+            "node_modules/codemirror/lib/codemirror.js",
+            "node_modules/codemirror/addon/display/placeholder.js",
+            "node_modules/codemirror/addon/edit/matchbrackets.js",
+            "node_modules/codemirror/addon/edit/matchtags.js",
+            "node_modules/codemirror/addon/fold/xml-fold.js",
+            "node_modules/codemirror/addon/lint/lint.js",
+            "node_modules/codemirror/addon/mode/loadmode.js",
+            "node_modules/codemirror/addon/mode/multiplex.js",
+            "node_modules/codemirror/addon/mode/overlay.js",
+            "node_modules/codemirror/addon/mode/simple.js",
+            "node_modules/codemirror/addon/search/match-highlighter.js",
+            "node_modules/codemirror/mode/meta.js",
+            "node_modules/codemirror/keymap/vim.js"
+        ];
+
+        const mimeTypes = mimeTypesService.getMimeTypes();
+        for (const mimeType of mimeTypes) {
+            if (mimeType.codeMirrorSource) {
+                scriptsToLoad.push(mimeType.codeMirrorSource);
+            }
+        }
+
+        return scriptsToLoad;
+    },
     css: [
         "node_modules/codemirror/lib/codemirror.css",
         "node_modules/codemirror/addon/lint/lint.css"
@@ -74,7 +85,7 @@ const FORCE_GRAPH: Library = {
 
 const MERMAID: Library = {
     js: [
-        "node_modules/mermaid/dist/mermaid.min.js"        
+        "node_modules/mermaid/dist/mermaid.min.js"
     ]
 }
 
@@ -134,7 +145,7 @@ const HIGHLIGHT_JS: Library = {
                 scriptsToLoad.add(`node_modules/@highlightjs/cdn-assets/languages/${id}.min.js`);
             }
         }
-        
+
         const currentTheme = String(optionsService.get("codeBlockTheme"));
         loadHighlightingTheme(currentTheme);
 
@@ -195,7 +206,7 @@ async function requireCss(url: string, prependAssetPath = true) {
 
 let highlightingThemeEl: JQuery<HTMLElement> | null = null;
 function loadHighlightingTheme(theme: string) {
-    if (!theme) {        
+    if (!theme) {
         return;
     }
 
@@ -207,12 +218,12 @@ function loadHighlightingTheme(theme: string) {
         }
         return;
     }
-    
+
     if (!highlightingThemeEl) {
         highlightingThemeEl = $(`<link rel="stylesheet" type="text/css" />`);
         $("head").append(highlightingThemeEl);
     }
-    
+
     const url = getStylesheetUrl(theme);
     if (url) {
         highlightingThemeEl.attr("href", url);

src/public/app/services/mime_types.ts

@@ -17,6 +17,8 @@ interface MimeTypeDefinition {
     highlightJs?: string;
     /** If specified, will load the corresponding highlight.js file from the `libraries/highlightjs/${id}.js` instead of `node_modules/@highlightjs/cdn-assets/languages/${id}.min.js`. */
     highlightJsSource?: "libraries";
+    /** If specified, will load the corresponding highlight file from the given path instead of `node_modules`. */
+    codeMirrorSource?: string;
 }
 
 interface MimeType extends MimeTypeDefinition {
@@ -29,6 +31,7 @@ const MIME_TYPES_DICT: MimeTypeDefinition[] = [
     { title: "ASN.1", mime: "text/x-ttcn-asn" },
     { title: "ASP.NET", mime: "application/x-aspx" },
     { title: "Asterisk", mime: "text/x-asterisk" },
+    { title: "Batch file (DOS)", mime: "application/x-bat", codeMirrorSource: "libraries/codemirror/batch.js" },
     { title: "Brainfuck", mime: "text/x-brainfuck", highlightJs: "brainfuck" },
     { default: true, title: "C", mime: "text/x-csrc", highlightJs: "c" },
     { default: true, title: "C#", mime: "text/x-csharp", highlightJs: "csharp" },
@@ -209,13 +212,13 @@ let mimeToHighlightJsMapping: Record<string, string> | null = null;
 
 /**
  * Obtains the corresponding language tag for highlight.js for a given MIME type.
- * 
+ *
  * The mapping is built the first time this method is built and then the results are cached for better performance.
- * 
+ *
  * @param mimeType The MIME type of the code block, in the CKEditor-normalized format (e.g. `text-c-src` instead of `text/c-src`).
  * @returns the corresponding highlight.js tag, for example `c` for `text-c-src`.
  */
-function getHighlightJsNameForMime(mimeType: string) {    
+function getHighlightJsNameForMime(mimeType: string) {
     if (!mimeToHighlightJsMapping) {
         const mimeTypes = getMimeTypes();
         mimeToHighlightJsMapping = {};
@@ -234,7 +237,7 @@ function getHighlightJsNameForMime(mimeType: string) {
 /**
  * Given a MIME type in the usual format (e.g. `text/csrc`), it returns a MIME type that can be passed down to the CKEditor
  * code plugin.
- * 
+ *
  * @param mimeType The MIME type to normalize, in the usual format (e.g. `text/c-src`).
  * @returns the normalized MIME type (e.g. `text-c-src`).
  */