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add support for preload configuration via env vars #355
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,18 @@ | ||
/* @flow */ | ||
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// ../config.js accepts options via environment variables | ||
const options = {} | ||
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if (process.env.DOTENV_CONFIG_ENCODING) { | ||
options.encoding = process.env.DOTENV_CONFIG_ENCODING | ||
} | ||
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if (process.env.DOTENV_CONFIG_PATH) { | ||
options.path = process.env.DOTENV_CONFIG_PATH | ||
} | ||
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if (process.env.DOTENV_CONFIG_DEBUG) { | ||
options.debug = process.env.DOTENV_CONFIG_DEBUG | ||
} | ||
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module.exports = options |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,50 @@ | ||
/* @flow */ | ||
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const t = require('tap') | ||
const decache = require('decache') | ||
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// warm cache | ||
require('../lib/env-options') | ||
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// preserve existing env | ||
const e = process.env.DOTENV_CONFIG_ENCODING | ||
const p = process.env.DOTENV_CONFIG_PATH | ||
const d = process.env.DOTENV_CONFIG_DEBUG | ||
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// get fresh object for each test | ||
function options () { | ||
decache('../lib/env-options.js') | ||
return require('../lib/env-options') | ||
} | ||
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function testOption (envVar, tmpVal, expect) { | ||
delete process.env[envVar] | ||
process.env[envVar] = tmpVal | ||
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t.same(options(), expect) | ||
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delete process.env[envVar] | ||
} | ||
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t.plan(4) | ||
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// returns empty object when no options set in process.env | ||
delete process.env.DOTENV_CONFIG_ENCODING | ||
delete process.env.DOTENV_CONFIG_PATH | ||
delete process.env.DOTENV_CONFIG_DEBUG | ||
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t.same(options(), {}) | ||
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// sets encoding option | ||
testOption('DOTENV_CONFIG_ENCODING', 'base64', { encoding: 'base64' }) | ||
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// sets path option | ||
testOption('DOTENV_CONFIG_PATH', '~/.env.test', { path: '~/.env.test' }) | ||
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// sets debug option | ||
testOption('DOTENV_CONFIG_DEBUG', 'true', { debug: 'true' }) | ||
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// restore existing env | ||
process.env.DOTENV_CONFIG_ENCODING = e | ||
process.env.DOTENV_CONFIG_PATH = p | ||
process.env.DOTENV_CONFIG_DEBUG = d |
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v1 is >3 years old so making this more straightforward