Insert date while creating a checkbox

package.json

@@ -167,6 +167,11 @@
           "type": "string",
           "default": "[{date}]",
           "markdownDescription": "The date template `{date}` is replaced by the actual date."
+        },
+        "markdown-checkbox.dateWhenCreated": {
+          "type": "boolean",
+          "default": true,
+          "description": "Insert the current date along with the created checkbox."
         }
       }
     }

src/createCheckbox.ts

@@ -18,9 +18,15 @@ const createCheckboxOfLine = (
   const withBulletPoint = helpers.getConfig<boolean>('withBulletPoint');
   const typeOfBulletPoint = helpers.getConfig<string>('typeOfBulletPoint');
   const hasBullet = helpers.lineHasBulletPointAlready(line);
+  const dateWhenCreated = helpers.getConfig<boolean>('dateWhenCreated');
 
+  const dateNow = helpers.getDateString(new Date());
   const checkboxOfLine = helpers.getCheckboxOfLine(line);
-  const checkboxCharacters = '[ ] ';
+  const hasDate = helpers
+    .getPlainLineText(line.text)
+    .match(/^(?:[+*-]\s)?\d{4}-\d{2}-\d{2} /);
+  const checkboxCharacters =
+    dateWhenCreated && !hasDate ? `[ ] ${dateNow} ` : '[ ] ';
 
   return editor.edit((editBuilder: TextEditorEdit) => {
     if (!checkboxOfLine) {

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

@@ -1,7 +1,7 @@
 import * as assert from 'assert';
 import * as vscode from 'vscode';
 import { createCheckbox } from '../../../createCheckbox';
-import { getConfig, getEditor } from '../../../helpers';
+import { getConfig, getDateString, getEditor } from '../../../helpers';
 import { setSettingsToDefault } from '../defaultSettings';
 
 describe('create checkboxes', () => {
@@ -140,4 +140,100 @@ describe('create checkboxes', () => {
 
     assert.strictEqual(content, expectedResult);
   });
+
+  it('should create checkbox with current date added', async () => {
+    // create new document
+    const newDocument = await vscode.workspace.openTextDocument({
+      content: '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 dateNow = getDateString(new Date());
+    const content = editor.document.getText();
+    const typeOfBulletPoint = getConfig<string>('typeOfBulletPoint');
+    const expectedResult = `${typeOfBulletPoint} [ ] ${dateNow} this is a text`;
+
+    assert.strictEqual(content, expectedResult);
+  });
+
+  it('should not insert another creation date', async () => {
+    // create new document
+    const newDocument = await vscode.workspace.openTextDocument({
+      content: '9999-99-99 this is a text',
+      language: 'markdown',
+    });
+    await vscode.window.showTextDocument(newDocument);
+
+    // update config to insert creation date if configured
+    await vscode.workspace
+      .getConfiguration('markdown-checkbox')
+      .update('dateWhenCreated', true);
+
+    // set the cursor to the current line
+    const editor = getEditor();
+    const position = editor.selection.active;
+    const newCursorPosition = position.with(0, 0);
+    const newSelection = new vscode.Selection(
+      newCursorPosition,
+      newCursorPosition
+    );
+    editor.selection = newSelection;
+
+    await createCheckbox(editor);
+
+    const content = editor.document.getText();
+    const typeOfBulletPoint = getConfig<string>('typeOfBulletPoint');
+    const expectedResult = `${typeOfBulletPoint} [ ] 9999-99-99 this is a text`;
+
+    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);
+  });
 });

src/test/spec/defaultSettings.ts

@@ -15,6 +15,7 @@ export const setSettingsToDefault = async () => {
     dateWhenChecked: true,
     showStatusBarItem: true,
     dateFormat: 'YYYY-MM-DD',
+    dateWhenCreated: false,
   };
   await Promise.all(
     Object.entries(defaultSettings).map(async ([key, value]) => {