--- /dev/null
+'use strict';
+
+var repeat = require('repeat-string');
+
+module.exports = thematic;
+
+/* Stringify a `thematic-break`.
+ * The character used is configurable through `rule`: (`'_'`)
+ *
+ * ___
+ *
+ * The number of repititions is defined through
+ * `ruleRepetition`: (`6`)
+ *
+ * ******
+ *
+ * Whether spaces delimit each character, is configured
+ * through `ruleSpaces`: (`true`)
+ *
+ * * * *
+ */
+function thematic() {
+ var options = this.options;
+ var rule = repeat(options.rule, options.ruleRepetition);
+ return options.ruleSpaces ? rule.split('').join(' ') : rule;
+}