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phoenix
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0.1.0
Productive. Reliable. Fast. A productive web framework that does not compromise speed or maintainability.
Security advisory:
This version has known vulnerabilities.
View advisories
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Files
lib/phoenix.ex
defmodule Phoenix do
@moduledoc """
This is the documentation for the Phoenix project.
To get started, see our [overview guides](overview.html).
"""
use Application
@doc false
def start(_type, _args) do
# Warm up caches
_ = Phoenix.Template.engines()
_ = Phoenix.Template.format_encoder("index.html")
warn_on_missing_json_library()
# Configure proper system flags from Phoenix only
if stacktrace_depth = Application.get_env(:phoenix, :stacktrace_depth) do
:erlang.system_flag(:backtrace_depth, stacktrace_depth)
end
if filter = Application.get_env(:phoenix, :filter_parameters) do
Application.put_env(:phoenix, :filter_parameters, Phoenix.Logger.compile_filter(filter))
end
if Application.fetch_env!(:phoenix, :logger) do
Phoenix.Logger.install()
end
children = [
# Code reloading must be serial across all Phoenix apps
Phoenix.CodeReloader.Server,
{DynamicSupervisor, name: Phoenix.Transports.LongPoll.Supervisor, strategy: :one_for_one}
]
Supervisor.start_link(children, strategy: :one_for_one, name: Phoenix.Supervisor)
end
@doc """
Returns the configured JSON encoding library for Phoenix.
To customize the JSON library, including the following
in your `config/config.exs`:
config :phoenix, :json_library, AlternativeJsonLibrary
"""
def json_library do
Application.get_env(:phoenix, :json_library, Jason)
end
@doc """
Returns the `:plug_init_mode` that controls when plugs are
initialized.
We recommend to set it to `:runtime` in development for
compilation time improvements. It must be `:compile` in
production (the default).
This option is passed as the `:init_mode` to `Plug.Builder.compile/3`.
"""
def plug_init_mode do
Application.get_env(:phoenix, :plug_init_mode, :compile)
end
defp warn_on_missing_json_library do
configured_lib = Application.get_env(:phoenix, :json_library)
if configured_lib && not Code.ensure_loaded?(configured_lib) do
IO.warn("""
found #{inspect(configured_lib)} in your application configuration
for Phoenix JSON encoding, but module #{inspect(configured_lib)} is not available.
Ensure #{inspect(configured_lib)} is listed as a dependency in mix.exs.
""")
end
end
end