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Showing content from https://github.com/simonepri/env-dot-prop below:

simonepri/env-dot-prop: ♻️ Get, set, or delete nested properties of process.env using a dot path

♻️ Get, set, or delete nested properties of process.env using a dot path
_{Coded with ❤️ by Simone Primarosa.}

This package aim to let you access to your environment variables as if they were JavaScript object. See this guide to understand how to use this package to create a 12 Factor compliant configuration system for you app.

$ npm install --save env-dot-prop

const envDotProp = require('env-dot-prop');

// Let's assume process.env contains the following keys
process.env = {
  FOO_BAR: 'unicorn',
  'FOO_DOT.DOT': 'pony',
  'FOO_UND\\_UND': 'whale'
};

console.log(process.env);
// => { FOO_BAR: 'unicorn', 'FOO_DOT.DOT': 'pony', 'FOO_UND\_UND': 'whale' }
envDotProp.get('');
// => { foo: { bar: 'unicorn', 'dot.dot': 'pony', und_und: 'whale' } }

// getter
envDotProp.get('foo.bar');
// => 'unicorn'

envDotProp.get('foo.notDefined.deep');
// => undefined

envDotProp.get('foo.notDefined.deep', 'default value');
// => 'default value'

envDotProp.get('foo.dot\\.dot');
// => 'pony'

// setter
envDotProp.set('foo.bar', 'b');
envDotProp.get('foo.bar');
// => 'b'

envDotProp.get('');
// => { foo: { bar: 'b', 'dot.dot': 'pony', und_und: 'whale' } }

envDotProp.set('foo.baz.e', 'x');
envDotProp.get('foo.baz.e');
// => 'x'
envDotProp.get('foo.baz');
// => { e: 'x' }

envDotProp.get('');
// => { foo: { bar: 'b', baz: { e: 'x' }, 'dot.dot': 'pony', und_und: 'whale' } }

// has
envDotProp.has('foo.bar');
// => true

// deleter
envDotProp.delete('foo.bar');
envDotProp.get('foo');
// => { baz: { e: 'x' }, 'dot.dot': 'pony', und_und: 'whale' }

envDotProp.delete('foo.baz.e');
envDotProp.get('foo.baz');
// => undefined

envDotProp.set('n1', 42, {stringify: false});
envDotProp.get('n1', {parse: false});
// => 42
envDotProp.get('n1', {parse: true});
// => 42

envDotProp.set('n2', 42, {stringify: true});
envDotProp.get('n2', {parse: false});
// => '42'
envDotProp.get('n2', {parse: true});
// => 42

envDotProp.set('n3', 42);
envDotProp.get('n3');
// => 42

envDotProp.set('n4', '42');
envDotProp.get('n4');
// => '42'

envDotProp.get('');
// => { n1: '42', n1: 42, n3: 42, n4: '42', foo: { 'dot.dot': 'pony', und_und: 'whale' } }
console.log(process.env);
// => { 'FOO_DOT.DOT': 'pony', 'FOO_UND\_UND': 'whale', N1: '42', N2: 42, N3: 42, N4: '42' }

get(path, [defaultValue], [opts]) ⇒ any

Gets the values of environment variables at the path specified.

Kind: global function
Returns: any - The values of environment variables associated with the path specified.
Access: public

Param Type Default Description path string Dot separated path. [defaultValue] any Default value to return if there is not any environment variable that matches the path provided. [opts] Object Additional options. [opts.parse] boolean false If true the value retrieved is converted to the proper type. [opts.caseSensitive] boolean false If true no case conversion will be performed from the dot path provided to the env key search. Eg: 'tesT.kEy' will look for tesT_kEy environment variable instead of TEST_KEY.

Sets an env key at the path specified. If nested keys are present they will be deleted.

Kind: global function
Access: public

Param Type Default Description path string Dot separated path. value string Value to set. [opts] object Additional options. [opts.stringify] boolean false If true the value provided is converted to string. [opts.caseSensitive] boolean false If true no case conversion is performed from the dot path provided to the env key search. Eg: 'tesT.kEy' will look for tesT_kEy environment variable instead of TEST_KEY.

Deletes an env key at the path specified. If nested keys are present they will be deleted too.

Kind: global function
Access: public

Param Type Default Description path string A dot separated path. [opts] object Additional options. [opts.caseSensitive] boolean false If true no case conversion is performed from the dot path provided to the env key search. Eg: 'tesT.kEy' will look for tesT_kEy environment variable instead of TEST_KEY. has(path, [opts]) ⇒ boolean

Returns whether an env key exists at the path specified.

Kind: global function
Returns: boolean - true if exists at least one environment variables with that path prefix.
Access: public

Param Type Default Description path string Dot separated path. [opts] object Additional options. [opts.caseSensitive] boolean false If true no case conversion is performed from the dot path provided to the env key search. Eg: 'tesT.kEy' will look for tesT_kEy environment variable instead of TEST_KEY.

Simone Primarosa - Github (@simonepri) • Twitter (@simoneprimarosa)

See also the list of contributors who participated in this project.

This project is licensed under the MIT License - see the license file for details.

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