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feat: Add suport for custom tag types#364

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feat: Add suport for custom tag types#364
Tikolu wants to merge 1 commit intobgub:mainfrom
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@Tikolu Tikolu commented Feb 27, 2026 •
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Added very basic support for custom tag types.

Example - a "comment" tag <%# ... %> which does nothing, and a localisation tag <%* ... %> which looks up strings in a dictionary.

const translations = {
	en: {greeting: "Hello!"},
	pl: {greeting: "Cześć!"}
}

const eta = new Eta({
	customTags: {
		"#": () => "",
		"*": (key, data) => translations[data.lang][key],
	},
	views: "views"
})

console.log(eta.render("index.html", {
	lang: "en"
}))

And then used in HTML:

<html>
	<%# this is a comment %>
	<p><%* greeting %></p>
</html>

Outputs:

<html>
	<p>Hello!</p>
</html>

@Tikolu Tikolu changed the title Add suport for custom tag types feat: Add suport for custom tag types Feb 27, 2026
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@Tikolu