refactor: dedupe shared helpers

scripts/lib/mintlify-accordion.mjs

@@ -0,0 +1,73 @@
+export const MINTLIFY_ACCORDION_INDENT_MESSAGE =
+  "Accordion closing tag is indented deeper than its opening tag; Mintlify can parse following markdown as nested content.";
+
+function visitAccordionIndentation(raw, onMisindentedClose) {
+  const lines = raw.split(/\r?\n/u);
+  const accordionStack = [];
+  let inCodeFence = false;
+
+  for (let index = 0; index < lines.length; index += 1) {
+    const line = lines[index];
+    if (/^\s*(```|~~~)/u.test(line)) {
+      inCodeFence = !inCodeFence;
+      continue;
+    }
+    if (inCodeFence) {
+      continue;
+    }
+
+    const openAccordion = line.match(/^(\s*)<Accordion\b/u);
+    if (openAccordion) {
+      accordionStack.push({
+        indent: openAccordion[1].length,
+        hasOutdentedListItem: false,
+      });
+      continue;
+    }
+
+    const listItem = line.match(/^(\s*)[-*+]\s+/u);
+    if (listItem) {
+      for (const accordion of accordionStack) {
+        if (listItem[1].length < accordion.indent) {
+          accordion.hasOutdentedListItem = true;
+        }
+      }
+    }
+
+    const closeAccordion = line.match(/^(\s*)<\/Accordion>/u);
+    if (!closeAccordion) {
+      continue;
+    }
+
+    const opening = accordionStack.pop();
+    if (opening && opening.hasOutdentedListItem && closeAccordion[1].length > opening.indent) {
+      onMisindentedClose({ closeAccordion, index, line, lines, opening });
+    }
+  }
+
+  return lines;
+}
+
+export function checkMintlifyAccordionIndentation(raw) {
+  const errors = [];
+  visitAccordionIndentation(raw, ({ closeAccordion, index }) => {
+    errors.push({
+      line: index + 1,
+      column: closeAccordion[1].length + 1,
+      message: MINTLIFY_ACCORDION_INDENT_MESSAGE,
+    });
+  });
+  return errors;
+}
+
+export function repairMintlifyAccordionIndentation(raw) {
+  let changed = false;
+  const lines = visitAccordionIndentation(
+    raw,
+    ({ closeAccordion, index, line, lines, opening }) => {
+      lines[index] = `${" ".repeat(opening.indent)}${line.slice(closeAccordion[1].length)}`;
+      changed = true;
+    },
+  );
+  return changed ? lines.join("\n") : raw;
+}