From 920038de1945298e5a693cc11fd97a73e48b9bc8 Mon Sep 17 00:00:00 2001
From: Akshay Nair <phenax5@gmail.com>
Date: Fri, 14 Jan 2022 20:32:32 +0530
Subject: feat: removes + for number literal (causes issues with js regex
 syntax)

---
 src/parser/index.ts  | 5 ++---
 tests/parser.spec.ts | 4 ++--
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/src/parser/index.ts b/src/parser/index.ts
index d1da542..a2276bb 100644
--- a/src/parser/index.ts
+++ b/src/parser/index.ts
@@ -81,12 +81,11 @@ const unsignedNum: Parser<number> = mapTo(
 )
 
 const numberLiteral: Parser<Literal> = mapTo(
-  pair(optional(oneOf(['+', '-'])), unsignedNum),
+  pair(optional(matchChar('-')), unsignedNum),
   ([signO, n]) =>
     pipe(
       signO,
-      Option.getOrElse(() => '+'),
-      sign => (sign === '-' ? -1 : 1) * n,
+      negative => (Option.isSome(negative) ? -1 : 1) * n,
       Literal.Number,
     ),
 )
diff --git a/tests/parser.spec.ts b/tests/parser.spec.ts
index 8a53faf..0abb1a0 100644
--- a/tests/parser.spec.ts
+++ b/tests/parser.spec.ts
@@ -117,13 +117,13 @@ describe('Parser', () => {
     )
 
     // signed numbers
-    expect(parser(/ +23.025 /.source)).toEqual(
+    expect(parser(/ 23.025 /.source)).toEqual(
       wrap(Expr.Literal(Literal.Number(23.025))),
     )
     expect(parser(/ -23.025 /.source)).toEqual(
       wrap(Expr.Literal(Literal.Number(-23.025))),
     )
-    expect(parser(/ +23 /.source)).toEqual(
+    expect(parser(/ 23 /.source)).toEqual(
       wrap(Expr.Literal(Literal.Number(23))),
     )
     expect(parser(/ -23 /.source)).toEqual(
-- 
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