Fix: existing bullet point causes duplicates (PKief#17)

src/createCheckbox.ts

@@ -24,7 +24,7 @@ const createCheckboxOfLine = (
   const checkboxOfLine = helpers.getCheckboxOfLine(line);
   const hasDate = helpers
     .getPlainLineText(line.text)
-    .match(/^\d{4}-\d{2}-\d{2} /);
+    .match(/^(?:[+*-]\s)?\d{4}-\d{2}-\d{2} /);
   const checkboxCharacters =
     dateWhenCreated && !hasDate ? `[ ] ${dateNow} ` : '[ ] ';
 

src/test/spec/checkbox/createCheckbox.spec.ts

@@ -174,7 +174,7 @@ describe('create checkboxes', () => {
     assert.strictEqual(content, expectedResult);
   });
 
-  it('should not insert creation date twice if exists', async () => {
+  it('should not insert another creation date', async () => {
     // create new document
     const newDocument = await vscode.workspace.openTextDocument({
       content: '9999-99-99 this is a text',
@@ -205,4 +205,35 @@ describe('create checkboxes', () => {
 
     assert.strictEqual(content, expectedResult);
   });
+
+  it('should not insert another creation date with existing bullet', async () => {
+    // create new document
+    const newDocument = await vscode.workspace.openTextDocument({
+      content: '- 9999-99-99 this is a text',
+      language: 'markdown',
+    });
+    await vscode.window.showTextDocument(newDocument);
+
+    // update config to insert creation date if configured
+    await vscode.workspace
+      .getConfiguration('markdown-checkbox')
+      .update('dateWhenCreated', true);
+
+    // set the cursor to the current line
+    const editor = getEditor();
+    const position = editor.selection.active;
+    const newCursorPosition = position.with(0, 0);
+    const newSelection = new vscode.Selection(
+      newCursorPosition,
+      newCursorPosition
+    );
+    editor.selection = newSelection;
+
+    await createCheckbox(editor);
+
+    const content = editor.document.getText();
+    const expectedResult = `- [ ] 9999-99-99 this is a text`;
+
+    assert.strictEqual(content, expectedResult);
+  });
 });