replaceEmojisWithImages
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Accepts an HTML string (body.html) and returns an emoji-escaped replacement. The purpose of this is due to official PDF spec's lack of support for emojis. This can be seen in the Anvil PDF Generation service as well - emojis are not rendered.
node-emojigithub here - replaces all emojis with spans- emoji images for replacement are hosted at netlify (sourced from private repo)