Merge pull request #1128 from rscharfe/format-checkboxes

Format checkboxes

Author: dscho

lib/markdown-renderer.ts

@@ -36,6 +36,10 @@ export function md2text(markdown: string, columns = 76): string {
                         .replace(/(^|\n)(\n)(?!$)/g, "$1>$2"); // quote empty
                     }});
             },
+            checkBoxFormatter: (elem, _walk, builder) => {
+                const attribs = elem.attribs as { checked?: string };
+                builder.addInline(attribs.checked === undefined ? "[ ]" : "[x]");
+            },
         },
         selectors: [
             {
@@ -72,6 +76,10 @@ export function md2text(markdown: string, columns = 76): string {
                 },
                 format: "blockFormatter"
             },
+            {
+                selector: "input[type=checkbox]",
+                format: "checkBoxFormatter"
+            },
         ],
     };
 

tests/markdown-renderer.test.ts

@@ -109,3 +109,13 @@ const bq7 = `Over 56 levels still has 20 char (exact):
 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 3 5 7 9 1 3 5 7 9 1
 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> 3 5 7`);
 });
+
+test("task lists are rendered correctly", () => {
+    const taskList = `This is a task list:
+* [x] done item
+* [ ] item still to do`;
+    expect(md2text(taskList)).toEqual(`This is a task list:
+
+ * [x] done item
+ * [ ] item still to do`);
+});