Merge pull request #614 from motdotla/empty-single-quotes

Patch empty values when single or double quoted

CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file. See [standa
 
 ## [Unreleased](https://github.com/motdotla/dotenv/compare/v15.0.0...master)
 
+## [15.0.1](https://github.com/motdotla/dotenv/compare/v15.0.0...v15.0.1) (2022-02-02)
+
+### Changed
+
+- Properly parse empty single or double quoted values 🐞 ([#614](https://github.com/motdotla/dotenv/pull/614))
+
 ## [15.0.0](https://github.com/motdotla/dotenv/compare/v14.3.2...v15.0.0) (2022-01-31)
 
 `v15.0.0` is a major new release with some important breaking changes.

lib/main.js

@@ -28,7 +28,7 @@ function parse (src) {
     const maybeQuote = value[0]
 
     // Remove surrounding quotes
-    value = value.replace(/^(['"])([\s\S]+)\1$/mg, '$2')
+    value = value.replace(/^(['"])([\s\S]*)\1$/mg, '$2')
 
     // Expand newlines if double quoted
     if (maybeQuote === '"') {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dotenv",
-  "version": "15.0.0",
+  "version": "15.0.1",
   "description": "Loads environment variables from .env file",
   "main": "lib/main.js",
   "types": "lib/main.d.ts",

tests/.env

@@ -3,6 +3,8 @@ BASIC=basic
 # previous line intentionally left blank
 AFTER_LINE=after_line
 EMPTY=
+EMPTY_SINGLE_QUOTES=''
+EMPTY_DOUBLE_QUOTES=""
 SINGLE_QUOTES='single_quotes'
 SINGLE_QUOTES_SPACED='    single quotes    '
 DOUBLE_QUOTES="double_quotes"

tests/test-parse.js

@@ -13,6 +13,10 @@ t.equal(parsed.AFTER_LINE, 'after_line', 'reads after a skipped line')
 
 t.equal(parsed.EMPTY, '', 'defaults empty values to empty string')
 
+t.equal(parsed.EMPTY_SINGLE_QUOTES, '', 'defaults empty values to empty string')
+
+t.equal(parsed.EMPTY_DOUBLE_QUOTES, '', 'defaults empty values to empty string')
+
 t.equal(parsed.SINGLE_QUOTES, 'single_quotes', 'escapes single quoted values')
 
 t.equal(parsed.SINGLE_QUOTES_SPACED, '    single quotes    ', 'respects surrounding spaces in single quotes')