Find (or generate) a 'Today' file in Drafts.app

TodayToday.js

let now = new Date();

// Format date in Pacific Time
let options = {
  timeZone: "America/Los_Angeles",
  weekday: "long",
  year: "numeric",
  month: "2-digit",
  day: "2-digit"
};

let formatter = new Intl.DateTimeFormat("en-US", options);
let parts = formatter.formatToParts(now);

let weekday = parts.find(p => p.type === "weekday").value;
let month = parts.find(p => p.type === "month").value;
let day = parts.find(p => p.type === "day").value;
let year = parts.find(p => p.type === "year").value;

let iso = `${year}-${month}-${day}`;
let title = `Today ${weekday} ${iso}`;
let marker = `<!-- GENERATED TODAY NOTE -->`;

let body = `- foo
- 
- bar
- baz
- bat
- 
`;

let existing = Draft.query("", "all", []).filter(d =>
  d.title === title && d.content.includes(marker)
);

let targetDraft;

if (existing.length > 0) {
  targetDraft = existing[0];
} else {
  targetDraft = Draft.create();
  targetDraft.content = `${title}\n\n${marker}\n\n${body}`;
  targetDraft.update();
}

// Open the draft
editor.load(targetDraft);
editor.activate();

// Set cursor after the second "- "
let content = targetDraft.content;
let cursorPosition = content.indexOf("- \n") + 2;
if (cursorPosition > 1) editor.setSelectedRange(cursorPosition, 0);