From d5a3abd7a6668039b31122398d2117307b573b59 Mon Sep 17 00:00:00 2001
From: Ika <ikatyang@gmail.com>
Date: Wed, 22 Nov 2017 00:01:59 +0800
Subject: [PATCH] fix(markdown): only indent the first non-list node in
 checkbox list item (#3297)

* fix(markdown): do not indent checkbox

* fix: keep alignment for first non-list node

* fix: force whitespaces
---
 src/printer-markdown.js                       |  7 +++-
 .../__snapshots__/jsfmt.spec.js.snap          | 33 +++++++++++++++++++
 tests/markdown_list/nested-checkbox.md        | 11 +++++++
 3 files changed, 50 insertions(+), 1 deletion(-)
 create mode 100644 tests/markdown_list/nested-checkbox.md

diff --git a/src/printer-markdown.js b/src/printer-markdown.js
index 0af677e0..8ab137d4 100644
--- a/src/printer-markdown.js
+++ b/src/printer-markdown.js
@@ -249,7 +249,12 @@ function genericPrint(path, options, print) {
         node.checked === null ? "" : node.checked ? "[x] " : "[ ] ";
       return concat([
         prefix,
-        align(" ".repeat(prefix.length), printChildren(path, options, print))
+        printChildren(path, options, print, {
+          processor: (childPath, index) =>
+            index === 0 && childPath.getValue().type !== "list"
+              ? align(" ".repeat(prefix.length), childPath.call(print))
+              : childPath.call(print)
+        })
       ]);
     }
     case "thematicBreak": {
diff --git a/tests/markdown_list/__snapshots__/jsfmt.spec.js.snap b/tests/markdown_list/__snapshots__/jsfmt.spec.js.snap
index d2a582b4..5d48d30a 100644
--- a/tests/markdown_list/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/markdown_list/__snapshots__/jsfmt.spec.js.snap
@@ -77,6 +77,39 @@ exports[`nested.md 1`] = `
 
 `;
 
+exports[`nested-checkbox.md 1`] = `
+* parent list item parent list item parent list item parent list item parent list item parent list item
+
+     * child list item child list item child list item child list item child list item child list item
+
+    paragraph paragraph paragraph paragraph paragraph paragraph paragraph paragraph paragraph
+
+* [x] parent task list item parent task list item parent task list item parent task list item
+
+     * [x] child task list item child task list item child task list item child task list item
+
+    paragraph paragraph paragraph paragraph paragraph paragraph paragraph paragraph paragraph
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+* parent list item parent list item parent list item parent list item parent
+  list item parent list item
+
+  * child list item child list item child list item child list item child list
+    item child list item
+
+  paragraph paragraph paragraph paragraph paragraph paragraph paragraph
+  paragraph paragraph
+
+* [x] parent task list item parent task list item parent task list item parent
+      task list item
+
+  * [x] child task list item child task list item child task list item child
+        task list item
+
+  paragraph paragraph paragraph paragraph paragraph paragraph paragraph
+  paragraph paragraph
+
+`;
+
 exports[`ordered.md 1`] = `
 1. 123
 1. 456
diff --git a/tests/markdown_list/nested-checkbox.md b/tests/markdown_list/nested-checkbox.md
new file mode 100644
index 00000000..f98995d1
--- /dev/null
+++ b/tests/markdown_list/nested-checkbox.md
@@ -0,0 +1,11 @@
+* parent list item parent list item parent list item parent list item parent list item parent list item
+
+     * child list item child list item child list item child list item child list item child list item
+
+    paragraph paragraph paragraph paragraph paragraph paragraph paragraph paragraph paragraph
+
+* [x] parent task list item parent task list item parent task list item parent task list item
+
+     * [x] child task list item child task list item child task list item child task list item
+
+    paragraph paragraph paragraph paragraph paragraph paragraph paragraph paragraph paragraph