Obsidian Links Today Keeper

obsidian-links-today-keeper.js

// Self-invoking anonymous function to encapsulate the code and avoid global scope pollution
javascript: (function() {
    // Define the vault and folder names
    var vaultName = "ADD YOUR VAULT NAME";
    var folderName = "ADD YOUR FOLDER NAME";

    // Function to get the description from the meta tag
    function getDescription() {
        var metaDescription = document.querySelector('meta[name="description"]');
        return metaDescription ? metaDescription.getAttribute('content') : '';
    }

    // Function to get the main image either from the og:image meta tag or the first image on the page
    function getMainImage() {
        var metaImage = document.querySelector('meta[property="og:image"]');
        if (metaImage) {
            return metaImage.getAttribute('content');
        } else {
            var firstImage = document.querySelector('img');
            return firstImage ? firstImage.src : '';
        }
    }

    // Get the page title
    var title = document.title;

    // Get the page URL
    var url = document.URL;

    // Get the description
    var description = getDescription();

    // Get the main image
    var mainImage = getMainImage();

    // Create content to append
    var contentToAppend = 
        '## ' + title + '\n' +  // Header with page title
        '- URL: [' + title + '](' + url + ')\n' +  // Markdown link to the page
        '- Description: ' + description + '\n' +  // Description from meta tag
        '- Main Image: ![' + title + '](' + mainImage + ')\n\n' +  // Main image in Markdown image syntax
        '---\n\n';  // Markdown divider followed by two new lines

    // Get today's date in YYYY-MM-DD format
    var today = new Date().toISOString().slice(0, 10);

    // Encode the content to append to ensure it's URL-safe
    var encodedContent = encodeURIComponent(contentToAppend);

    // Construct the URL for appending to today's note in Obsidian
    // This uses Obsidian's URI scheme to append content to a specified note
    document.location.href = "obsidian://advanced-uri?vault=" +
        encodeURIComponent(vaultName) +  // Vault name URL-encoded
        "&filepath=" + encodeURIComponent(folderName + '/' + today + '.md') +  // Path to today's note, URL-encoded
        "&data=" + encodedContent +  // Content to append, URL-encoded
        "&mode=append";  // Mode specifying to append the content
})();