From 528dad066a1639c652efbc149f10f3673124e061 Mon Sep 17 00:00:00 2001
From: Adi Roiban <adi.roiban@chevah.com>
Date: Sat, 9 Jun 2018 08:42:25 +0100
Subject: [PATCH] Strip spaces from quoted values.

---
 papaparse.js        |  9 +++++++++
 tests/test-cases.js | 22 +++++++++++++++++++---
 2 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/papaparse.js b/papaparse.js
index 8106e8d..e414810 100755
--- a/papaparse.js
+++ b/papaparse.js
@@ -1393,10 +1393,19 @@
 			var nextNewline = input.indexOf(newline, cursor);
 			var quoteCharRegex = new RegExp(escapeChar.replace(/[-[\]/{}()*+?.\\^$|]/g, '\\$&') + quoteChar, 'g');
 			var quoteSearch;
+			var trailingSpacesRegex = new RegExp('^[ ]+(".*)');
+			var trailingSpacesSearch;
 
 			// Parser loop
 			for (;;)
 			{
+				trailingSpacesSearch = input.substring(cursor).match(trailingSpacesRegex);
+				if (trailingSpacesSearch) {
+					// We have a quoted value with trailing space(s), so we
+					// ignore the spaces.
+					cursor += 1;
+					continue;
+				}
 				// Field has opening quote
 				if (input[cursor] === quoteChar)
 				{
diff --git a/tests/test-cases.js b/tests/test-cases.js
index b7f55ef..2969cd7 100644
--- a/tests/test-cases.js
+++ b/tests/test-cases.js
@@ -167,10 +167,26 @@ var CORE_PARSER_TESTS = [
 	},
 	{
 		description: "Quoted field with whitespace around quotes",
-		input: 'A, "B" ,C',
-		notes: "The quotes must be immediately adjacent to the delimiter to indicate a quoted field",
+		input: 'A,  "B"  ,"C"  ,  "D",E "F',
+		notes: "The quotes must be immediately adjacent to the delimiter to indicate a quoted field, but there are leading or trailing spaces they are ignored",
 		expected: {
-			data: [['A', ' "B" ', 'C']],
+			data: [['A', 'B', 'C', 'D', 'E "F']],
+			errors: []
+		}
+	},
+	{
+		description: "Quoted fields with comma",
+		input: '"A","b,C"\nD"E,f',
+		expected: {
+			data: [['A', 'b,C'],['D"E', 'f']],
+			errors: []
+		}
+	},
+	{
+		description: "Quoted fields with comma and whitespace before and after quotes",
+		input: '"A" ,   "b , C"   \n  D"E ,  f ',
+		expected: {
+			data: [['A', 'b , C'],['  D"E ', '  f ']],
 			errors: []
 		}
 	},