From bb185e38493c0ea073fa1559f47a1565f824777b Mon Sep 17 00:00:00 2001
From: Fred Kleuver <fred@avurad.nl>
Date: Sat, 28 Apr 2018 23:42:34 +0200
Subject: [PATCH] refactor(parser): improve decimal parsing

---
 src/parser.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/parser.js b/src/parser.js
index b01f79a8..76867c28 100644
--- a/src/parser.js
+++ b/src/parser.js
@@ -530,16 +530,22 @@ export class ParserImplementation {
       this.nextChar();
     }
 
-    const nonDigitStart = this.index;
     if (this.currentChar === $PERIOD) {
-      isFloat = true;
       this.nextChar();
 
+      let decimalValue = 0;
+      let decimalPlaces = 0;
+
       while (isDigit(this.currentChar)) {
+        decimalValue = decimalValue * 10 + (this.currentChar - $0);
+        decimalPlaces++;
         this.nextChar();
       }
+
+      value += (decimalValue / Math.pow(10, decimalPlaces));
     }
 
+    const nonDigitStart = this.index;
     if (this.currentChar === $e || this.currentChar === $E) {
       isFloat = true;
       const exponentStart = this.index; // for error reporting in case the exponent is invalid