up n_m

node_modules/mdast-util-to-markdown/lib/util/check-rule-repetition.js

@@ -0,0 +1,22 @@
+/**
+ * @typedef {import('../types.js').Options} Options
+ * @typedef {import('../types.js').State} State
+ */
+
+/**
+ * @param {State} state
+ * @returns {Exclude<Options['ruleRepetition'], null | undefined>}
+ */
+export function checkRuleRepetition(state) {
+  const repetition = state.options.ruleRepetition || 3
+
+  if (repetition < 3) {
+    throw new Error(
+      'Cannot serialize rules with repetition `' +
+        repetition +
+        '` for `options.ruleRepetition`, expected `3` or more'
+    )
+  }
+
+  return repetition
+}