Function togglePreviewTask

plugins/_editor/webui/editor-store.js:495–509

(taskIndex, checked)

  },

  togglePreviewTask(taskIndex, checked) {
    if (!this.session || !this.isMarkdown() || !this.isPreviewMode() || this.previewEditing) return false;
    const page = this.currentPage();
    const lines = String(page.markdown || "").split("\n");
    const indexes = taskLineIndexes(page.markdown || "");
    const lineIndex = indexes[Number(taskIndex)];
    if (lineIndex == null || !lines[lineIndex]) return false;
    const nextLine = lines[lineIndex].replace(
      /^(\s*(?:[-*+]|\d+[.)])\s+\[)[ xX](\](?:\s+|$))/,
      `$1${checked ? "x" : " "}$2`,
    );
    if (nextLine === lines[lineIndex]) return false;
    lines[lineIndex] = nextLine;
    return this.replacePageMarkdown(page, lines.join("\n"));
  },

  clampActivePage() {
    const pages = this.pages();