Minetest-WorldEditAdditions/.docs/.eleventy.js
Starbeamrainbowlabs 5362c8956e
Add ContentDB image
2021-06-19 18:14:23 +01:00

91 lines
2.9 KiB
JavaScript

const fs = require("fs");
const path = require("path");
const htmlentities = require("html-entities");
const Image = require("@11ty/eleventy-img");
var nextid = 0;
const image_filename_format = (_id, src, width, format, _options) => {
const extension = path.extname(src);
const name = path.basename(src, extension);
return `${name}-${width}w.${format}`;
};
function image_metadata_log(metadata, source) {
for(let format in metadata) {
for(let img of metadata[format]) {
console.log(`${source.padEnd(10)} ${format.padEnd(5)} ${`${img.width}x${img.height}`.padEnd(10)} ${img.outputPath}`);
}
}
}
async function shortcode_image(src, alt, classes = "") {
let metadata = await Image(src, {
widths: [300, null],
formats: ["avif", "jpeg"],
outputDir: `./_site/img/`,
filenameFormat: image_filename_format
});
image_metadata_log(metadata, `IMAGE`);
let imageAttributes = {
class: classes,
alt: htmlentities.encode(alt),
sizes: Object.values(metadata)[0].map((el) => `${el.width}w`).join(" "),
loading: "lazy",
decoding: "async",
};
// You bet we throw an error on missing alt in `imageAttributes` (alt="" works okay)
return Image.generateHTML(metadata, imageAttributes);
}
async function shortcode_image_url(src) {
let metadata = await Image(src, {
widths: [ null ],
formats: [ "jpeg" ],
outputDir: `./_site/img/`,
filenameFormat: image_filename_format
});
image_metadata_log(metadata, `IMAGE_URL`);
let data = metadata.jpeg[metadata.jpeg.length - 1];
return data.url;
}
async function shortcode_image_urlpass(src) {
let target_dir = `./_site/img`;
if(!fs.existsSync(target_dir))
await fs.promises.mkdir(target_dir, { recursive: true });
let filename = path.basename(src);
// Generally speaking we optimise PNGs *very* well with oxipng/Zopfli,
// and the Image plugin doesn't respect this
await fs.promises.copyFile(src, path.join(target_dir, filename));
return `/img/${filename}`;
}
async function shortcode_gallerybox(content, src, idthis, idprev, idnext) {
return `<figure class="gallerybox-item" id="${idthis}">
<!-- ${await shortcode_image(src, "", "gallerybox-thumb", "300w")} -->
${await shortcode_image(src, "", "", "1920w")}
<figcaption>${content}</figcaption>
<a class="gallerybox-prev" href="#${idprev}">❰</a>
<a class="gallerybox-next" href="#${idnext}">❱</a>
</figure>`;
}
module.exports = function(eleventyConfig) {
// eleventyConfig.addPassthroughCopy("images");
// eleventyConfig.addPassthroughCopy("css");
eleventyConfig.addShortcode("image", shortcode_image);
eleventyConfig.addJavaScriptFunction("image", shortcode_image);
// eleventyConfig.addNunjucksAsyncShortcode("image_url", shortcode_image_url);
eleventyConfig.addAsyncShortcode("image_url", shortcode_image_url);
eleventyConfig.addAsyncShortcode("image_urlpass", shortcode_image_urlpass);
eleventyConfig.addNunjucksAsyncShortcode("image_urlpass", shortcode_image_urlpass);
eleventyConfig.addPairedShortcode("gallerybox", shortcode_gallerybox);
}