Obsidian templater template that creates markdown front matter using the Denote file name convention

frontmatter.js

<%*
identifier = tp.date.now("YYYYMMDDTHHmmss"); // Generate unique identifier based on current timestamp
date = tp.date.now("YYYY-MM-DDTHH:mm:ssZ"); // ISO format date
title = await tp.system.prompt("Title"); // Prompt user for a title
tags = await tp.system.prompt("Tags"); // Prompt user for comma or space-separated tags
// Convert tags to an array by splitting on commas or spaces, remove extra spaces, and format them
tags_array = tags.split(/[,\s]+/).filter(tag => tag.trim()).map(tag => tag.toLowerCase().trim());
// Format the tags into a slug format for the filename
tags_slug = tags_array.join("_");
// Construct the file name (replace whitespaces in title with hyphens and append processed tags)
file_name = identifier + "--" + title.replace(/\s+/g, "-").toLowerCase() + "__" + tags_slug;
// Rename the file with the constructed file name
await tp.file.rename(file_name);
// Join the tags array into a new format where each tag is on a new line prefixed by "- "
formatted_tags = tags_array.map(tag => `  - ${tag}`).join("\n");
// Format the title with spaces (replace hyphens with spaces)
title_with_spaces = title.replace(/-/g, " ");
_%>
<% "---" %>
title: <% title_with_spaces %>
date: <% date %>
tags:
<% formatted_tags %>
identifier: <% identifier %>
<% "---" %>
<% tp.file.cursor() %>