From 13e688cb38dcb67c7182211968c794146be54692 Mon Sep 17 00:00:00 2001
From: doug-martin <doug@dougamartin.com>
Date: Mon, 2 Nov 2020 22:11:07 -0600
Subject: [PATCH] fix(formatting,#446): Do not quote fields that do not contain
 a quote

---
 .../format/__tests__/issues/issue446.spec.ts  | 24 +++++++++++++++++++
 .../format/src/formatter/FieldFormatter.ts    |  2 +-
 2 files changed, 25 insertions(+), 1 deletion(-)
 create mode 100644 packages/format/__tests__/issues/issue446.spec.ts

diff --git a/packages/format/__tests__/issues/issue446.spec.ts b/packages/format/__tests__/issues/issue446.spec.ts
new file mode 100644
index 00000000..3ff3c017
--- /dev/null
+++ b/packages/format/__tests__/issues/issue446.spec.ts
@@ -0,0 +1,24 @@
+import * as csv from '../../src';
+import { RecordingStream } from '../__fixtures__';
+
+describe('Issue #446 - https://github.com/C2FO/fast-csv/issues/446', () => {
+    it('should not quote a field that contains a single quote if it is not the quote character', () => {
+        return new Promise((res, rej) => {
+            const rs = new RecordingStream();
+            const data: csv.RowArray[] = [["a quick' brown fox", 'jumped', 'over the lazy brown "dog"']];
+
+            csv.write(data, {
+                headers: ['header1', 'header2', 'header3'],
+            })
+                .pipe(rs)
+                .on('error', rej)
+                .on('finish', () => {
+                    expect(rs.data).toEqual([
+                        'header1,header2,header3',
+                        `\na quick' brown fox,jumped,"over the lazy brown ""dog"""`,
+                    ]);
+                    res();
+                });
+        });
+    });
+});
diff --git a/packages/format/src/formatter/FieldFormatter.ts b/packages/format/src/formatter/FieldFormatter.ts
index f4926235..a31baa7d 100644
--- a/packages/format/src/formatter/FieldFormatter.ts
+++ b/packages/format/src/formatter/FieldFormatter.ts
@@ -19,7 +19,7 @@ export class FieldFormatter<I extends Row, O extends Row> {
             this.headers = formatterOptions.headers;
         }
         this.REPLACE_REGEXP = new RegExp(formatterOptions.quote, 'g');
-        const escapePattern = `[${formatterOptions.delimiter}${escapeRegExp(formatterOptions.rowDelimiter)}|\r|\n']`;
+        const escapePattern = `[${formatterOptions.delimiter}${escapeRegExp(formatterOptions.rowDelimiter)}|\r|\n]`;
         this.ESCAPE_REGEXP = new RegExp(escapePattern);
     }