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phoenix_live_view
0.12.0
1.2.7
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1.2.5
1.2.4
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1.2.1
1.2.0
1.2.0-rc.3
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1.1.30
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1.1.13
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1.1.8
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1.1.6
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1.0.16
1.0.15
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1.0.13
1.0.12
1.0.11
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1.0.6
retired
1.0.5
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1.0.1
1.0.0
1.0.0-rc.9
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1.0.0-rc.6
1.0.0-rc.5
1.0.0-rc.4
1.0.0-rc.3
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1.0.0-rc.1
1.0.0-rc.0
0.20.17
0.20.16
0.20.15
0.20.14
0.20.13
0.20.12
0.20.11
0.20.10
0.20.9
0.20.8
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0.20.5
0.20.4
0.20.3
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0.20.0
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0.19.1
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0.18.12
0.18.11
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0.18.9
0.18.8
0.18.7
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0.18.5
0.18.4
0.18.3
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0.18.1
0.18.0
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0.17.11
0.17.10
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0.17.8
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0.17.5
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0.17.3
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0.17.1
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0.15.7
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0.15.0
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0.9.0
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0.5.0
0.4.1
0.4.0
0.3.1
0.3.0
0.2.1
0.2.0
0.1.1
0.1.0
Rich, real-time user experiences with server-rendered HTML
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Files
lib/phoenix_live_view/renderer.ex
defmodule Phoenix.LiveView.Renderer do
@moduledoc false
defmacro __before_compile__(env) do
render? = Module.defines?(env.module, {:render, 1})
template = template_path(env)
case {render?, File.regular?(template)} do
{true, true} ->
IO.warn(
"ignoring template #{inspect(template)} because the LiveView " <>
"#{inspect(env.module)} defines a render/1 function",
Macro.Env.stacktrace(env)
)
:ok
{true, false} ->
:ok
{false, true} ->
ast = Phoenix.LiveView.Engine.compile(template, template_filename(env))
quote do
@file unquote(template)
@external_resource unquote(template)
def render(var!(assigns)) do
unquote(ast)
end
end
{false, false} ->
message = ~s'''
render/1 was not implemented for #{inspect(env.module)}.
Make sure to either explicitly define a render/1 clause with a LiveView template:
def render(assigns) do
~L"""
...
"""
end
Or create a file at #{inspect(template)} with the LiveView template.
'''
IO.warn(message, Macro.Env.stacktrace(env))
quote do
def render(_assigns) do
raise unquote(message)
end
end
end
end
defp template_path(env) do
env.file
|> Path.dirname()
|> Path.join(template_filename(env) <> ".leex")
|> Path.relative_to_cwd()
end
def template_filename(env) do
env.module
|> Module.split()
|> List.last()
|> Macro.underscore()
|> Kernel.<>(".html")
end
end