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Phoenix SVG

Use inline SVGs in Phoenix apps. This module will load the files during compilation so you don't have to worry about performance, handle refreshing the cache when the files change, inline the SVG tags into your templates, and includes support for defining custom attributes with defaults.

Installation

def deps do
  [
    {:phoenix_svg, "~> 1.0"}
  ]
end

The recommended way to install into your Phoenix application is to create a file at lib/myapp_web/svg.ex (replacing myapp with the name of your app):

defmodule MyAppWeb.SVG do
  use PhoenixSVG, otp_app: :myapp
end

This is so the files are only read and cached once. Then you can simply import MyAppWeb.SVG wherever you need to use the component. A good place to do this is in the html_helpers function in lib/myapp_web.ex:

defp html_helpers do
  quote do
    # ...

    import MyAppWeb.SVG

    # ...
  end
end

Getting Started

Now when you start your Phoenix server, all the SVG files located in priv/svgs will be loaded into memory and can be used with the svg component. For example, if you have a file at priv/svgs/checkmark.svg:

<.svg name="checkmark" />

An error will be raised if the file is not found. If your svgs are nested in a subdirectory, specify a list in the path attribute with one item representing each folder. e.g. for priv/svgs/branding/circle/checkmark.svg:

<.svg name="checkmark" path={["branding", "circle"]} />

Any attributes defined will be passed through to the <svg> tag:

<.svg name="checkmark" class="foobar" />

Local Development

If you add, remove, or change svg files while running mix phx.server, they will automatically be replaced in the cache and you don't have to restart for them to take effect. To live reload when an svg file changes, add to the patterns list of the Endpoint config in config/dev.exs:

config :myapp, MyAppWeb.Endpoint,
  live_reload: [
    patterns: [
      # ...
      ~r"priv/svgs/.*(svg)$",
      # ...
    ]
  ]