Support inline comments

CHANGELOG.md

@@ -4,7 +4,8 @@ All notable changes to this project will be documented in this file. See [standa
 
 ## [Unreleased](https://github.com/motdotla/dotenv/compare/v13.0.1...master)
 
-TBD
+- Remove flow ([#584](https://github.com/motdotla/dotenv/pull/584))
+- Support inline comments
 
 ## [13.0.1](https://github.com/motdotla/dotenv/compare/v13.0.0...v13.0.1) (2022-01-16)
 

lib/main.js

@@ -7,7 +7,7 @@ function log (message) {
 }
 
 const NEWLINE = '\n'
-const RE_INI_KEY_VAL = /^\s*([\w.-]+)\s*=\s*(.*)?\s*$/
+const RE_INI_KEY_VAL = /^\s*([\w.-]+)\s*=\s*("[^"]*"|'[^']*'|[^#]*)?(\s*|\s*#.*)?$/
 const RE_NEWLINES = /\\n/g
 const NEWLINES_MATCH = /\r\n|\n|\r/
 

tests/.env

@@ -7,10 +7,15 @@ SINGLE_QUOTES='single_quotes'
 SINGLE_QUOTES_SPACED='    single quotes    '
 DOUBLE_QUOTES="double_quotes"
 DOUBLE_QUOTES_SPACED="    double quotes    "
+DOUBLE_QUOTES_INSIDE_SINGLE='double "quotes" work inside single quotes'
+SINGLE_QUOTES_INSIDE_DOUBLE="single 'quotes' work inside double quotes"
 EXPAND_NEWLINES="expand\nnew\nlines"
 DONT_EXPAND_UNQUOTED=dontexpand\nnewlines
 DONT_EXPAND_SQUOTED='dontexpand\nnewlines'
 # COMMENTS=work
+INLINE_COMMENTS=inline comments # work #very #well
+INLINE_COMMENTS_SINGLE_QUOTES='inline comments outside of #singlequotes' # work
+INLINE_COMMENTS_DOUBLE_QUOTES="inline comments outside of #doublequotes" # work
 EQUAL_SIGNS=equals==
 RETAIN_INNER_QUOTES={"foo": "bar"}
 RETAIN_LEADING_DQUOTE="retained

tests/test-parse.js

@@ -7,7 +7,7 @@ const dotenv = require('../lib/main')
 
 const parsed = dotenv.parse(fs.readFileSync('tests/.env', { encoding: 'utf8' }))
 
-t.plan(29)
+t.plan(34)
 
 t.type(parsed, Object, 'should return an object')
 
@@ -25,6 +25,10 @@ t.equal(parsed.DOUBLE_QUOTES, 'double_quotes', 'escapes double quoted values')
 
 t.equal(parsed.DOUBLE_QUOTES_SPACED, '    double quotes    ', 'respects surrounding spaces in double quotes')
 
+t.equal(parsed.DOUBLE_QUOTES_INSIDE_SINGLE, 'double "quotes" work inside single quotes', 'respects double quotes inside single quotes')
+
+t.equal(parsed.SINGLE_QUOTES_INSIDE_DOUBLE, "single 'quotes' work inside double quotes", 'respects single quotes inside double quotes')
+
 t.equal(parsed.EXPAND_NEWLINES, 'expand\nnew\nlines', 'expands newlines but only if double quoted')
 
 t.equal(parsed.DONT_EXPAND_UNQUOTED, 'dontexpand\\nnewlines', 'expands newlines but only if double quoted')
@@ -33,6 +37,12 @@ t.equal(parsed.DONT_EXPAND_SQUOTED, 'dontexpand\\nnewlines', 'expands newlines b
 
 t.notOk(parsed.COMMENTS, 'ignores commented lines')
 
+t.equal(parsed.INLINE_COMMENTS, 'inline comments', 'ignores inline comments')
+
+t.equal(parsed.INLINE_COMMENTS_SINGLE_QUOTES, 'inline comments outside of #singlequotes', 'ignores inline comments, but respects # character inside of single quotes')
+
+t.equal(parsed.INLINE_COMMENTS_DOUBLE_QUOTES, 'inline comments outside of #doublequotes', 'ignores inline comments, but respects # character inside of double quotes')
+
 t.equal(parsed.EQUAL_SIGNS, 'equals==', 'respects equals signs in values')
 
 t.equal(parsed.RETAIN_INNER_QUOTES, '{"foo": "bar"}', 'retains inner quotes')