From 89dca8a0387947e8216a30a9bd0060584cfb662c Mon Sep 17 00:00:00 2001
From: Khoi Pham <pckhoi@gmail.com>
Date: Sat, 28 Nov 2020 17:51:24 +0700
Subject: [PATCH] Added option `forceUniformNewline`

---
 papaparse.js        | 4 ++++
 tests/test-cases.js | 9 +++++++++
 2 files changed, 13 insertions(+)

diff --git a/papaparse.js b/papaparse.js
index 785886c..8da341b 100755
--- a/papaparse.js
+++ b/papaparse.js
@@ -1398,6 +1398,7 @@ License: MIT
 		var step = config.step;
 		var preview = config.preview;
 		var fastMode = config.fastMode;
+		var forceUniformNewline = config.forceUniformNewline;
 		var quoteChar;
 		/** Allows for no quoteChar by setting quoteChar to undefined in config */
 		if (config.quoteChar === undefined) {
@@ -1438,6 +1439,9 @@ License: MIT
 			if (typeof input !== 'string')
 				throw new Error('Input must be a string');
 
+			if (forceUniformNewline)
+				input = input.replace(/(\r\n|\r|\n)/g, newline);
+
 			// We don't need to compute some of these every time parse() is called,
 			// but having them in a more local scope seems to perform better
 			var inputLen = input.length,
diff --git a/tests/test-cases.js b/tests/test-cases.js
index 8d15b29..cf61ccf 100644
--- a/tests/test-cases.js
+++ b/tests/test-cases.js
@@ -585,6 +585,15 @@ var CORE_PARSER_TESTS = [
 			data: [['a', 'b', 'c'], ['']],
 			errors: []
 		}
+	},
+	{
+		description: "Force uniform newline",
+		input: 'a,b,c\r\nd,e,f\ng,h,i\rj,k,l\n',
+		config: { forceUniformNewline: true },
+		expected: {
+			data: [['a', 'b', 'c'], ['d', 'e', 'f'], ['g', 'h', 'i'], ['j', 'k', 'l'], ['']],
+			errors: []
+		}
 	}
 ];