eleventy.config.drafts.js

function eleventyComputedPermalink() {
    // When using `addGlobalData` and you *want* to return a function, you must nest functions like this.
    // `addGlobalData` acts like a global data file and runs the top level function it receives.
    return (data) => {
        // Always skip during non-watch/serve builds
        if (data.draft && !process.env.BUILD_DRAFTS) {
            return false;
        }

        return data.permalink;
    }
}

function eleventyComputedExcludeFromCollections() {
    // When using `addGlobalData` and you *want* to return a function, you must nest functions like this.
    // `addGlobalData` acts like a global data file and runs the top level function it receives.
    return (data) => {
        // Always exclude from non-watch/serve builds
        if (data.draft && !process.env.BUILD_DRAFTS) {
            return true;
        }

        return data.eleventyExcludeFromCollections;
    }
}

module.exports.eleventyComputedPermalink = eleventyComputedPermalink;
module.exports.eleventyComputedExcludeFromCollections = eleventyComputedExcludeFromCollections;

module.exports = eleventyConfig => {
    eleventyConfig.addGlobalData("eleventyComputed.permalink", eleventyComputedPermalink);
    eleventyConfig.addGlobalData("eleventyComputed.eleventyExcludeFromCollections", eleventyComputedExcludeFromCollections);

    let logged = false;
    eleventyConfig.on("eleventy.before", ({runMode}) => {
        let text = "Excluding";
        // Only show drafts in serve/watch modes
        if (runMode === "serve" || runMode === "watch") {
            process.env.BUILD_DRAFTS = true;
            text = "Including";
        }

        // Only log once.
        if (!logged) {
            console.log(`[11ty/eleventy-base-blog] ${text} drafts.`);
        }

        logged = true;
    });
}