Adding rule for open source for linting

Author: RichardLitt

markdownlint-custom-rules.js

@@ -0,0 +1,26 @@
+"use strict";
+
+module.exports = {
+  names: ["no-hyphenated-open-source"],
+  description: "Ensure 'open source' is not written as 'open-source'.",
+  tags: ["wording", "consistency"],
+  function: function noHyphenatedOpenSource(params, onError) {
+    params.lines.forEach((line, index) => {
+      const lineNumber = index + 1;
+      const match = line.match(/\b open-source \b/); // Find "open-source"
+
+      if (match) {
+        onError({
+          lineNumber: lineNumber,
+          detail: "Use 'open source' instead of 'open-source'.",
+          context: line.trim(), // Provide surrounding text
+          fixInfo: {
+            editColumn: match.index + 1, // Position in the line
+            deleteCount: match[0].length,
+            insertText: " open source ",
+          },
+        });
+      }
+    });
+  },
+};

package-lock.json

@@ -6,7 +6,7 @@
   "scripts": {
     "build": "jupyter-book build --all .",
     "publish": "./build.sh",
-    "lint": "markdownlint . -i _build/ -i node_modules",
+    "lint": "markdownlint . -i _build/ -i node_modules --rules markdownlint-custom-rules.js",
     "lint-fix": "markdownlint --fix . -i _build/ -i node_modules",
     "links": "markdown-link-check ./*.md -c mdlinkcheckconfig.json && markdown-link-check ./**/*.md -c mdlinkcheckconfig.json",
     "links-ci": "markdown-link-check -q ./*.md -c mdlinkcheckconfig.json && markdown-link-check ./**/*.md -q -c mdlinkcheckconfig.json",