Don't delete existing boards. (#22)

If there's an existing board don't delete it, just overwrite the
contents.

This prevents open tabs (including pins) from closing when the
board is updated.

src/VaultHelper.ts

@@ -1,7 +1,7 @@
 import { Notice, TFile } from 'obsidian';
 import { Task } from './Task';
 
-export class VaultHelper { 
+export class VaultHelper {
 
  private static BOARD_TEMPLATE_START: string = "---\n\nkanban-plugin: basic\n\n---\n\n";
  private static BOARD_TEMPLATE_END: string = "\n%% kanban:settings\n\`\`\`\n{\"kanban-plugin\":\"basic\"}\n\`\`\`%%\"";
@@ -78,7 +78,7 @@ export class VaultHelper {
  public static createTaskNotes(path: string, tasks: Array<Task>, template: string): Promise<TFile>[] {
 
  let promisesToCreateNotes: Promise<TFile>[] = [];
- tasks.forEach(task => { 
+ tasks.forEach(task => {
  if (this.getFileByTaskId(path, task.id) == undefined) {
  promisesToCreateNotes.push(this.createTaskNote(path, task, template));
  }
@@ -95,17 +95,12 @@ export class VaultHelper {
  * @param prefix - The prefix to add to the kanban board name
  * @public
  */
- public static createKanbanBoard(path: string, tasks: Array<Task>, columns: Array<string>, prefix: string, teamLeaderMode: boolean): Promise<TFile> {
+ public static createKanbanBoard(path: string, tasks: Array<Task>, columns: Array<string>, prefix: string, teamLeaderMode: boolean): Promise<void> {
  const filename = `${prefix}-Board`;
  const filepath = path + `/${filename}.md`;
- const existingBoard = app.vault.getAbstractFileByPath(filepath);
-
- if (existingBoard != null) {
- app.vault.delete(existingBoard, true);
- }
 
  let boardMD = this.BOARD_TEMPLATE_START;
- 
+
  // Create Kanban board with specified columns matching the state of each task
  columns.forEach((column: string) => {
  boardMD += "## ";
@@ -122,7 +117,7 @@ export class VaultHelper {
  } else {
  boardMD += `- [ ] [[${file.basename}]] \n ${task.title}\n`
  }
- 
+
  }
  }
  });
@@ -132,7 +127,7 @@ export class VaultHelper {
 
  boardMD += this.BOARD_TEMPLATE_END;
 
- return app.vault.create(filepath, boardMD);
+ return app.vault.adapter.write(filepath, boardMD);
  }
 
  private static async createTaskNote(path: string, task: Task, template:string): Promise<TFile> {
@@ -155,4 +150,4 @@ export class VaultHelper {
 
  return app.vault.create(filepath, content);
  }
-}
+}