Packages
phoenix_live_view
0.14.1
1.2.7
1.2.6
1.2.5
1.2.4
1.2.3
1.2.2
1.2.1
1.2.0
1.2.0-rc.3
1.2.0-rc.2
1.2.0-rc.1
1.2.0-rc.0
1.1.32
1.1.31
1.1.30
1.1.29
1.1.28
1.1.27
1.1.26
1.1.25
1.1.24
1.1.23
1.1.22
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1.1.19
1.1.18
1.1.17
1.1.16
1.1.15
1.1.14
1.1.13
1.1.12
1.1.11
1.1.10
1.1.9
1.1.8
1.1.7
1.1.6
retired
1.1.5
1.1.4
1.1.3
1.1.2
1.1.1
1.1.0
1.1.0-rc.4
1.1.0-rc.3
1.1.0-rc.2
1.1.0-rc.1
1.1.0-rc.0
1.0.18
1.0.17
1.0.16
1.0.15
1.0.14
1.0.13
1.0.12
1.0.11
1.0.10
1.0.9
1.0.8
retired
1.0.7
1.0.6
retired
1.0.5
1.0.4
1.0.3
1.0.2
1.0.1
1.0.0
1.0.0-rc.9
1.0.0-rc.8
1.0.0-rc.7
1.0.0-rc.6
1.0.0-rc.5
1.0.0-rc.4
1.0.0-rc.3
1.0.0-rc.2
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
0.20.7
0.20.6
0.20.5
0.20.4
0.20.3
0.20.2
0.20.1
0.20.0
0.19.5
0.19.4
0.19.3
0.19.2
0.19.1
0.19.0
0.18.18
0.18.17
0.18.16
0.18.15
0.18.14
0.18.13
0.18.12
0.18.11
0.18.10
0.18.9
0.18.8
0.18.7
0.18.6
0.18.5
0.18.4
0.18.3
0.18.2
0.18.1
0.18.0
0.17.14
0.17.13
0.17.12
0.17.11
0.17.10
0.17.9
0.17.8
0.17.7
0.17.6
0.17.5
0.17.4
0.17.3
0.17.2
0.17.1
0.17.0
0.16.4
0.16.3
0.16.2
0.16.1
0.16.0
0.15.7
0.15.6
0.15.5
0.15.4
0.15.3
0.15.2
0.15.1
0.15.0
0.14.8
0.14.7
0.14.6
0.14.5
0.14.4
0.14.3
0.14.2
0.14.1
0.14.0
0.13.3
0.13.2
0.13.1
0.13.0
0.12.1
0.12.0
0.11.1
0.11.0
0.10.0
0.9.0
0.8.1
0.8.0
0.7.1
0.7.0
0.6.0
0.6.0-dev
0.5.2
0.5.1
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})
root = Path.dirname(env.file)
filename = template_filename(env)
templates = Phoenix.Template.find_all(root, filename)
case {render?, templates} do
{true, [template | _]} ->
IO.warn(
"ignoring template #{inspect(template)} because the LiveView " <>
"#{inspect(env.module)} defines a render/1 function",
Macro.Env.stacktrace(env)
)
:ok
{true, []} ->
:ok
{false, [template]} ->
ext = template |> Path.extname() |> String.trim_leading(".") |> String.to_atom()
engine = Map.fetch!(Phoenix.Template.engines(), ext)
ast = engine.compile(template, filename)
quote do
@file unquote(template)
@external_resource unquote(template)
def render(var!(assigns)) do
unquote(ast)
end
end
{false, [_ | _]} ->
IO.warn(
"multiple templates were found for #{inspect(env.module)}: #{inspect(templates)}",
Macro.Env.stacktrace(env)
)
:ok
{false, []} ->
template = Path.join(root, filename <> ".leex")
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
@external_resource unquote(template)
def render(_assigns) do
raise unquote(message)
end
end
end
end
defp template_filename(env) do
env.module
|> Module.split()
|> List.last()
|> Macro.underscore()
|> Kernel.<>(".html")
end
end