The bundler adds a backslash after each escape sequence in css strings.

[afranchuk]

What version of Bun is running?

1.1.45+196621f25

What platform is your computer?

Linux 6.12.9_1 x86_64 unknown

What steps can reproduce the bug?

/* repro.css */
.foo {
    content: "\2b";
}

Run bun build --experimental-css repro.css.

What is the expected behavior?

Output should be

/* repro.css */
.foo {
  content: "+";
}

What do you see instead?

Output is

/* repro.css */
.foo {
  content: "+\\";
}

Additional information

No response

[afranchuk]

I'm quite sure this commented-out continue is the issue:

bun/src/css/css_parser.zig

Line 4904 in 5819fe4

// continue;