Nested lists working

js/markdown.js

@@ -7,6 +7,8 @@
 //     ---
 //     [link](url){.class}
 //     ``` {.class}
+// TODO: Test broken/incomplete syntax thoroughly
+// TODO: Sanity checks on loops/recursion?
 
 class _MDHAlign {
 	static Left = new _MDHAlign('Left');
@@ -920,7 +922,7 @@ class Markdown {
 	 * @param {String} line
 	 */
 	static #stripIndent(line, count=1) {
-		let regex = new RegExp(`^(: {1,4}|\\t){${count}}`);
+		let regex = new RegExp(`^(?: {1,4}|\\t){${count}}`);
 		return line.replace(regex, '');
 	}
 
@@ -1497,7 +1499,9 @@ class Markdown {
 		var seenBlankLine = false;
 		var needsBlocks = false;
 		var lines = [];
-		while (p < state.lines.length) {
+		var hasNestedList = false;
+		var firstNestedListLine = -1;
+		while (state.hasLines(1, p)) {
 			let line = state.lines[p++];
 			if (p == state.p + 1) {
 				line = line.substring(firstLineStartPos);
@@ -1514,6 +1518,12 @@ class Markdown {
 				if (seenBlankLine) {
 					needsBlocks = true;
 				}
+				if (inList && /^\s*(?:\*|\+|\-|\d+\.)\s+/.exec(line)) {
+					hasNestedList = true;
+					if (firstNestedListLine < 0) {
+						firstNestedListLine = lines.length;
+					}
+				}
 				lines.push(this.#stripIndent(line));
 			} else {
 				if (seenBlankLine) {
@@ -1526,6 +1536,15 @@ class Markdown {
 		while (lines.length > 0 && lines[lines.length - 1].trim().length == 0) {
 			lines.pop();
 		}
+		if (inList && hasNestedList) {
+			let parentLines = lines.slice(0, firstNestedListLine);
+			let parentContent = this.#readInline(state, parentLines.join("\n"));
+			let nestedLines = lines.slice(firstNestedListLine);
+			let substate = state.copy(nestedLines);
+			let nestedContent = this.#readBlocks(substate);
+			state.p = p;
+			return new _MDMultiBlock([parentContent].concat(nestedContent));
+		}
 		if (needsBlocks) {
 			let substate = state.copy(lines);
 			let blocks = this.#readBlocks(substate);