Add options.loadDotEnv as a way to opt out of .env parsing

af · Feb 16, 2017 · 7500638 · 7500638
1 parent af3f319
commit 7500638
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/index.js b/index.js
@@ -36,11 +36,16 @@ function formatSpecDescription(spec) {
     return `${spec.desc}${egText}${docsText}` || ''
 }
 
+function extendWithDotEnv(inputEnv) {
+    return extend(dotenv.config({ silent: true }), inputEnv)
+}
+
 function cleanEnv(inputEnv, specs = {}, options = {}) {
     let output = {}
     let defaultNodeEnv = ''
     const errors = {}
-    const env = extend(dotenv.config({ silent: true }), inputEnv)
+    const shouldLoadDotEnv = (options.loadDotEnv !== false)
+    const env = shouldLoadDotEnv ? extendWithDotEnv(inputEnv) : inputEnv
     const varKeys = Object.keys(specs)
 
     // If validation for NODE_ENV isn't specified, use the default validation:

diff --git a/tests/test_dotenv.js b/tests/test_dotenv.js
@@ -25,3 +25,8 @@ test('.env test in strict mode', () => {
     }, opts)
     assert.deepEqual(env, { MYNUM: 4 })
 })
+
+test('can opt out of dotenv with loadDotEnv=false', () => {
+    const env = cleanEnv({ FOO: 'bar' }, {}, { loadDotEnv: false })
+    assert.deepEqual(env, { FOO: 'bar' })
+})