Fix list-item-indent for non-incremented lists

Closes GH-40.

Author: wooorm

lib/rules/list-item-indent.js

@@ -93,19 +93,17 @@ function listItemIndent(ast, file, preferred, done) {
 
     visit(ast, 'list', function (node) {
         var items = node.children;
-        var isOrdered = node.ordered;
-        var offset = node.start || 1;
 
         if (position.generated(node)) {
             return;
         }
 
-        items.forEach(function (item, index) {
+        items.forEach(function (item) {
             var head = item.children[0];
-            var bulletSize = isOrdered ? String(offset + index).length + 1 : 1;
-            var tab = Math.ceil(bulletSize / 4) * 4;
             var initial = start(item).offset;
             var final = start(head).offset;
+            var bulletSize;
+            var tab;
             var marker;
             var shouldBe;
             var diff;
@@ -119,6 +117,9 @@ function listItemIndent(ast, file, preferred, done) {
 
             marker = marker.replace(/\[[x ]?\]\s*$/i, '');
 
+            bulletSize = marker.trimRight().length;
+            tab = Math.ceil(bulletSize / 4) * 4;
+
             if (preferred === 'tab-size') {
                 shouldBe = tab;
             } else if (preferred === 'space') {

test/fixtures/list-item-indent-space.md

@@ -48,3 +48,16 @@ And an extra test for numbers:
 
 11. baz
     3
+
+And many items:
+
+1. One
+1. Two
+1. Three
+1. Four
+1. Five
+1. Six
+1. Seven
+1. Eight
+1. Nine
+1. Ten

test/index.js

@@ -1297,7 +1297,17 @@ describe('Rules', function () {
                 'list-item-indent-space.md:29:4: Incorrect list-item indent: add 1 space',
                 'list-item-indent-space.md:32:4: Incorrect list-item indent: add 1 space',
                 'list-item-indent-space.md:37:4: Incorrect list-item indent: add 1 space',
-                'list-item-indent-space.md:43:4: Incorrect list-item indent: add 1 space'
+                'list-item-indent-space.md:43:4: Incorrect list-item indent: add 1 space',
+                'list-item-indent-space.md:54:4: Incorrect list-item indent: add 1 space',
+                'list-item-indent-space.md:55:4: Incorrect list-item indent: add 1 space',
+                'list-item-indent-space.md:56:4: Incorrect list-item indent: add 1 space',
+                'list-item-indent-space.md:57:4: Incorrect list-item indent: add 1 space',
+                'list-item-indent-space.md:58:4: Incorrect list-item indent: add 1 space',
+                'list-item-indent-space.md:59:4: Incorrect list-item indent: add 1 space',
+                'list-item-indent-space.md:60:4: Incorrect list-item indent: add 1 space',
+                'list-item-indent-space.md:61:4: Incorrect list-item indent: add 1 space',
+                'list-item-indent-space.md:62:4: Incorrect list-item indent: add 1 space',
+                'list-item-indent-space.md:63:4: Incorrect list-item indent: add 1 space'
             ]);
 
             assertFile('list-item-indent-mixed.md', [