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{ | ||
"presets": [ | ||
[ | ||
"env", | ||
{ | ||
"modules": false | ||
} | ||
] | ||
], | ||
"plugins": [ | ||
"external-helpers" | ||
] | ||
} | ||
|
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@@ -7,5 +7,5 @@ | |
} | ||
}) | ||
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require('./lib/main').config(options) | ||
require('./lib/index').config(options) | ||
})() |
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'use strict'; | ||
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var fs = require('fs'); | ||
var path = require('path'); | ||
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/* | ||
* Parses a string or buffer into an object | ||
* @param {(string|Buffer)} src - source to be parsed | ||
* @returns {Object} keys and values from src | ||
*/ | ||
function parse(src) { | ||
var obj = {}; | ||
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// convert Buffers before splitting into lines and processing | ||
src.toString().split('\n').forEach(function (line) { | ||
// matching "KEY' and 'VAL' in 'KEY=VAL' | ||
var keyValueArr = line.match(/^\s*([\w\.\-]+)\s*=\s*(.*)?\s*$/); | ||
// matched? | ||
if (keyValueArr != null) { | ||
var key = keyValueArr[1]; | ||
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// default undefined or missing values to empty string | ||
var value = keyValueArr[2] || ''; | ||
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// expand newlines in quoted values | ||
var len = value ? value.length : 0; | ||
if (len > 0 && value.charAt(0) === '"' && value.charAt(len - 1) === '"') { | ||
value = value.replace(/\\n/gm, '\n'); | ||
} | ||
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// remove any surrounding quotes and extra spaces | ||
value = value.replace(/(^['"]|['"]$)/g, '').trim(); | ||
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obj[key] = value; | ||
} | ||
}); | ||
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return obj; | ||
} | ||
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/* | ||
* Main entry point into dotenv. Allows configuration before loading .env | ||
* @param {Object} options - options for parsing .env file | ||
* @param {string} [options.path=.env] - path to .env file | ||
* @param {string} [options.encoding=utf8] - encoding of .env file | ||
* @returns {Object} parsed object or error | ||
*/ | ||
function config(options) { | ||
var dotenvPath = path.resolve(process.cwd(), '.env'); | ||
var encoding = 'utf8'; | ||
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if (options) { | ||
if (options.path) { | ||
dotenvPath = options.path; | ||
} | ||
if (options.encoding) { | ||
encoding = options.encoding; | ||
} | ||
} | ||
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try { | ||
// specifying an encoding returns a string instead of a buffer | ||
var parsed = parse(fs.readFileSync(dotenvPath, { encoding: encoding })); | ||
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Object.keys(parsed).forEach(function (key) { | ||
if (!process.env.hasOwnProperty(key)) { | ||
process.env[key] = parsed[key]; | ||
} | ||
}); | ||
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return { parsed: parsed }; | ||
} catch (e) { | ||
return { error: e }; | ||
} | ||
} | ||
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module.exports.config = config; | ||
module.exports.load = config; | ||
module.exports.parse = parse; |
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