mandatory_env
A deno module for handling mandatory environment variables
Permissions needed: --allow-read --allow-env
Usage:
Common usage
import { load } from "https://deno.land/x/mandatory_env@1.1";
/*
#Example .env
PORT=3000
SECRET=abcde
*/
load(['PORT', 'SECRET']);
Deno.env.get('PORT') // Returns 3000
Deno.env.get('SECRET') // Returns 'abcde'
// Using options (these are the default values)
load(['PORT', 'SECRET'], {
pathToEnv: './.env', // The relative path to the .env file
loadToEnv: true, // Load variables to Deno.env
unstable: false // Allow spaces in variable names
});
Example .env
DECIMAL_EXAMPLE=150
NUMBER_EXAMPLE=1e10
FLOAT_EXAMPLE=20.5
NEGATIVE_EXAMPLE=-100
NO_EVAL_EXAMPLE=10*10
NO_VALUE_EXAMPLE=
NO_QUOTE_EXAMPLE=hello!
DOUBLE_QUOTE_EXAMPLE="hello!"
SINGLE_QUOTE_EXAMPLE='hello!'
BACKTICK_EXAMPLE=`hello!`
ESCAPE_EXAMPLE=hello\nhow\nare\nyou
EQUALS_EXAMPLE==
TRUE_EXAMPLE=true
FALSE_EXAMPLE=false
NULL_EXAMPLE=null
#COMMENT_ONE_EXAMPLE=1
# COMMENT_TWO_EXAMPLE=1
# COMMENT_ON_COMMENT_EXAMPLE=1 #ANOTHER_COMMENT #YETANOTHERONE
# Below are not considered valid and will result in a regular string
JSON_EXAMPLE="{a:1,b:2}"
# will result in JSON_EXAMPLE = '{a:1,b:2}'
JSON_EXAMPLE_2={a:1,b:2}
# will result in JSON_EXAMPLE_2 = '{a:1,b:2}'
UNDEFINED_EXAMPLE=undefined
# will result in UNDEFINED_EXAMPLE = 'undefined'