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.eleventy.config.images.js
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.eleventy.config.images.js
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const path = require('path');
const eleventyImage = require('@11ty/eleventy-img');
module.exports = (eleventyConfig) => {
function relativeToInputPath(inputPath, relativeFilePath) {
let baseDir = path.dirname(inputPath);
// Navigate back to the 'src' directory
while (!baseDir.endsWith('/src') && !baseDir.endsWith('\\src')) {
baseDir = path.resolve(baseDir, '..');
}
return path.resolve(baseDir, 'static', relativeFilePath);
}
// Eleventy Image shortcode
// https://www.11ty.dev/docs/plugins/image/
eleventyConfig.addAsyncShortcode(
'image',
async function imageShortcode(src, alt, widths, sizes) {
// Full list of formats here: https://www.11ty.dev/docs/plugins/image/#output-formats
let formats = ['svg', 'auto'];
let file = relativeToInputPath(this.page.inputPath, src);
let metadata = await eleventyImage(file, {
widths: widths || ['auto'],
formats,
outputDir: path.join(eleventyConfig.dir.output, 'img'), // Advanced usage note: `eleventyConfig.dir` works here because we’re using addPlugin.
});
let imageAttributes = {
alt,
sizes,
loading: 'lazy',
decoding: 'async',
};
return eleventyImage.generateHTML(metadata, imageAttributes);
}
);
};