fix(csv-stringify): preserve field contents when quoting is disabled

packages/csv-stringify/lib/api/index.js

@@ -256,7 +256,7 @@ const stringifier = function (options, state, info) {
             quoted ||
             quotedString ||
             quotedMatch;
-          if (shouldQuote === true && containsEscape === true) {
+          if (shouldQuote === true && containsEscape === true && quote !== "") {
             value = value.replaceAll(escape, () => escape + escape);
           }
           if (containsQuote === true) {

packages/csv-stringify/test/option.quote.ts

@@ -241,4 +241,55 @@ describe("Option `quote`", function () {
       eof: false,
     }).should.eql("|a\\|b|");
   });
+
+  describe("disabled", function () {
+    it("preserves special characters when quoting is disabled", function () {
+      stringifySync([['say "hi", bob'], ['say "hi"\nbob']], {
+        quote: false,
+      }).should.eql('say "hi", bob\nsay "hi"\nbob\n');
+    });
+
+    it("preserves fields selected for quoting when quoting is disabled", function () {
+      for (const options of [
+        { quoted: true },
+        { quoted_string: true },
+        { quoted_match: /hi/ },
+      ]) {
+        stringifySync([['say "hi"']], { quote: false, ...options }).should.eql(
+          'say "hi"\n',
+        );
+      }
+    });
+
+    it("preserves quotes supplied by a cast with quoting disabled", function () {
+      stringifySync([["abc", 1]], {
+        quoted: true,
+        cast: {
+          number: (value) => ({ value: `="${value}"`, quote: false }),
+        },
+      }).should.eql('"abc",="1"\n');
+    });
+
+    it("preserves custom escape characters when quoting is disabled", function () {
+      stringifySync([["C:\\dir,x"]], {
+        quote: false,
+        escape: "\\",
+      }).should.eql("C:\\dir,x\n");
+    });
+
+    it("preserves quotes in fields containing a custom delimiter", function () {
+      stringifySync([['{"a":1}\tx']], {
+        quote: "",
+        delimiter: "\t",
+      }).should.eql('{"a":1}\tx\n');
+    });
+
+    it("preserves selected fields in the callback API with quoting disabled", function (next) {
+      stringify([['say "hi"']], { quote: false, quoted: true }, (err, data) => {
+        if (err) return next(err);
+        data.should.eql('say "hi"\n');
+        next();
+      });
+    });
+  });
 });