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QoL fixes #36

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QoL fixes #36

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22 changes: 4 additions & 18 deletions lib/envar.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,6 @@ defmodule Envar do

"""

require Logger

@doc """
`get/2` gets an environment variable by name
with an _optional_ second argument `default_value`
Expand All @@ -26,13 +24,7 @@ defmodule Envar do
"""
@spec get(binary, binary | nil) :: binary | nil
def get(varname, default \\ nil) do
val = System.get_env(varname, default)

if is_nil(val) do
Logger.error("ERROR: #{varname} Environment Variable is not set")
end

val
System.get_env(varname, default)
end

@doc """
Expand All @@ -54,7 +46,6 @@ defmodule Envar do
def is_set?(varname) do
case System.get_env(varname) do
nil ->
Logger.debug("#{varname} Environment Variable is not set")
false

_ ->
Expand Down Expand Up @@ -165,7 +156,6 @@ defmodule Envar do
if File.exists?(path) do
load(filename)
else
Logger.error("Required .env file does not exist at path: #{path}")
:error
end
end
Expand Down Expand Up @@ -196,22 +186,18 @@ defmodule Envar do

"""
@spec read(binary) :: map
def read(filename) do
path = Path.join(File.cwd!(), filename)

Logger.debug(".env file path: #{path}")

def read(path) do
data = File.read!(path)

data
|> String.trim()
|> String.split("\n")
|> Enum.reject(& &1 == "")
|> Enum.reduce(%{}, fn line, acc ->
line = String.trim(line)

with line <- String.replace(line, ["export ", "'"], ""),
[key | rest] <- String.split(line, "="),
value <- Enum.join(rest, "=") do
[key, value] <- :binary.split(line, "=") do
if String.length(value) > 0 do
Map.put(acc, key, value)
else
Expand Down