Convert markdownlint library to an ECMAScript module, replace markdownlint-micromark with micromark, stop publishing (large) markdownlint-browser.js, see https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c for guidance.

lib/md005.mjs

@@ -0,0 +1,69 @@
+// @ts-check
+
+import { addError, addErrorDetailIf } from "../helpers/helpers.cjs";
+import { filterByTypesCached } from "./cache.mjs";
+
+/** @type {import("./markdownlint.mjs").Rule} */
+export default {
+  "names": [ "MD005", "list-indent" ],
+  "description": "Inconsistent indentation for list items at the same level",
+  "tags": [ "bullet", "ul", "indentation" ],
+  "parser": "micromark",
+  "function": function MD005(params, onError) {
+    for (const list of filterByTypesCached([ "listOrdered", "listUnordered" ])) {
+      const expectedIndent = list.startColumn - 1;
+      let expectedEnd = 0;
+      let endMatching = false;
+      const listItemPrefixes =
+        list.children.filter((token) => (token.type === "listItemPrefix"));
+      for (const listItemPrefix of listItemPrefixes) {
+        const lineNumber = listItemPrefix.startLine;
+        const actualIndent = listItemPrefix.startColumn - 1;
+        const range = [ 1, listItemPrefix.endColumn - 1 ];
+        if (list.type === "listUnordered") {
+          addErrorDetailIf(
+            onError,
+            lineNumber,
+            expectedIndent,
+            actualIndent,
+            undefined,
+            undefined,
+            range
+            // No fixInfo; MD007 handles this scenario better
+          );
+        } else {
+          const markerLength = listItemPrefix.text.trim().length;
+          const actualEnd = listItemPrefix.startColumn + markerLength - 1;
+          expectedEnd = expectedEnd || actualEnd;
+          if ((expectedIndent !== actualIndent) || endMatching) {
+            if (expectedEnd === actualEnd) {
+              endMatching = true;
+            } else {
+              const detail = endMatching ?
+                `Expected: (${expectedEnd}); Actual: (${actualEnd})` :
+                `Expected: ${expectedIndent}; Actual: ${actualIndent}`;
+              const expected = endMatching ?
+                expectedEnd - markerLength :
+                expectedIndent;
+              const actual = endMatching ?
+                actualEnd - markerLength :
+                actualIndent;
+              addError(
+                onError,
+                lineNumber,
+                detail,
+                undefined,
+                range,
+                {
+                  "editColumn": Math.min(actual, expected) + 1,
+                  "deleteCount": Math.max(actual - expected, 0),
+                  "insertText": "".padEnd(Math.max(expected - actual, 0))
+                }
+              );
+            }
+          }
+        }
+      }
+    }
+  }
+};