Liquor Tags - Fetch OpenGraph data and Render the output

Published at

3/26/2024

tags

open

Liquor Tags. Inspired by dev.to embed tags (liquid tags),
takes Open Graph data from URLs and generate output using pseudo EEx templates.
Useful when creating previews of websites using Open Graph data.

Installation

Mix.install([
  {:liquor, "~> 1.0.0"},
  {:req, "~> 0.4.14"}, # Just for demostration
  {:kino, "~> 0.12.3"} # Just for demostration
])

alias Liquor.Tags.Tag

content = """
{% github ElixirCL %}
{% embed https://ninjas.cl %}
"""

tags = [
  Tag.new("github", "Github: <%= og.url %>", "https://github.com"),
  Tag.new("embed", "Website: <%= og.title %>")
]

# Fetch only needs to return the HTML string
fetch = fn url -> Req.get!(url) |> then(& &1.body) end

Liquor.render(content, tags, fetch)
|> Kino.Text.new()

Renders

Github: https://github.com/ElixirCL
Website: Ninja Software Chile (Ninjas.cl)

dev-resources.site

Liquor Tags - Fetch OpenGraph data and Render the output

Installation

Renders