Skip image processing with eleventy-img - raw image?

[alvarotrigo]

I have some images on the blog posts that are on the .md file on the layout front matter as images to use for sharing in social media and as a thumbnail.

Those images still need to be moved to the _site folder and I would like to move them only once and only if they change.
That's why I considered using eleventy-img for them instead of just using fs.copyFile.

I want to make use of the eleventy-img cache for this but i don't want eleventy-img to process them at all.
They are in png and for some reason eleventy-img ends up creating a bigger file.

Source file 5.9Kb and output file is 7.7Kb.
Both png.

Is there a way to tell eleventy-img we want to skip any kind of image processing?

I tried using sharOptions to pass the raw option, but it doesn't seem to do the trick:

                await Image(src, {
			formats: ["png"],
			outputDir: outputDir,
			useCache: false,
			sharOptions: {
				raw: true
			},

			// Define custom filenames for generated images
			filenameFormat: function (id, src, width, format, options) {
				const name = path.basename(src, format);

				return `${name}${format}`;
			}
		})

[zeroby0]

https://www.11ty.dev/docs/plugins/image/#output-widths

widths: [null] (default, keep original width)

That should skip processing the images.

Another option is to write your own shortcode with fs.copyFile, but don't copy if eleventy-img.getHash() returns the same hash.

There's also eleventy passthrough copy, but I don't recall if it copies on every build.

---

Also, maybe we can check internally if the output file size is larger, and print a warning or not transform the file if the dimensions don't change.

Assuming this isn't a known bug, I encourage you to report it on the sharp repo.

[zachleat]

Hmm, I think this would request be better invested in incremental build support, which already works with passthroughCopy

https://www.11ty.dev/docs/usage/incremental/#passthrough-copy

Note the pretty hefty limitation right now that incremental builds require a full build on cold start https://www.11ty.dev/docs/usage/incremental/#cold-start 11ty/eleventy#984

Given that information, I will still put this on the enhancement queue for upvotes but (imo) the muscle would be better spent on improving incremental build support.

[zachleat]

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View the enhancement backlog here. Don’t forget to upvote the top comment with 👍!

[zachleat]

Related to #212