Support alternative checkboxes

src/get-todos.js

@@ -12,7 +12,7 @@ class TodoParser {
 
   // Returns true if string s is a todo-item
   #isTodo(s) {
-    const r = /\s*- \[ \].*/g;
+    const r = /\s*- \[[^xX-]\].*/g;
     return r.test(s);
   }
 

src/get-todos.test.js

@@ -13,6 +13,42 @@ test("single todo element should return itself", () => {
   expect(result).toStrictEqual(todos);
 });
 
+test("single incomplete element should return itself", () => {
+  // GIVEN
+  const lines = ["- [/] tada"];
+
+  // WHEN
+  const result = getTodos({ lines });
+
+  // THEN
+  const todos = ["- [/] tada"];
+  expect(result).toStrictEqual(todos);
+});
+
+test("single done todo element should not return itself", () => {
+  // GIVEN
+  const lines = ["- [x] tada"];
+
+  // WHEN
+  const result = getTodos({ lines });
+
+  // THEN
+  const todos = [""];
+  expect(result).toStrictEqual(todos);
+});
+
+test("single canceled todo element should not return itself", () => {
+  // GIVEN
+  const lines = ["- [-] tada"];
+
+  // WHEN
+  const result = getTodos({ lines });
+
+  // THEN
+  const todos = [""];
+  expect(result).toStrictEqual(todos);
+});
+
 test("get todos with children", function () {
   // GIVEN
   const lines = [
@@ -65,6 +101,35 @@ test("get todos without children", () => {
   expect(todos).toStrictEqual(result);
 });
 
+test("get todos with correct alternate checkbox children", function () {
+  // GIVEN
+  const lines = [
+    "- [ ] TODO",
+    "    - [ ] Next",
+    "    - [x] Completed task",
+    "    - some stuff",
+    "- [ ] Another one",
+    "    - [ ] Another child",
+    "    - [/] More children",
+    "    - another child",
+    "- this isn't copied",
+  ];
+
+  // WHEN
+  const todos = getTodos({ lines: lines, withChildren: true });
+
+  // THEN
+  const result = [
+    "- [ ] TODO",
+    "    - [ ] Next",
+    "    - some stuff",
+    "- [ ] Another one",
+    "    - [ ] Another child",
+    "    - [/] More children",
+    "    - another child",
+  ];
+  expect(todos).toStrictEqual(result);
+});
 test("get todos with children doesn't fail if child at end of list", () => {
   // GIVEN
   const lines = [

src/ui/RolloverSettingTab.js

@@ -77,7 +77,7 @@ export default class RolloverSettingTab extends PluginSettingTab {
     new Setting(this.containerEl)
       .setName("Roll over children of todos")
       .setDesc(
-        `By default, only the acutal todos are rolled over. If you add nested Markdown-elements beneath your todos, these are not rolled over but stay in place, possibly altering the logic of your previous note. This setting allows for also migrating the nested elements.`
+        `By default, only the actual todos are rolled over. If you add nested Markdown-elements beneath your todos, these are not rolled over but stay in place, possibly altering the logic of your previous note. This setting allows for also migrating the nested elements.`
       )
       .addToggle((toggle) =>
         toggle