diff options
Diffstat (limited to 'src/js_printer.zig')
| -rw-r--r-- | src/js_printer.zig | 50 |
1 files changed, 39 insertions, 11 deletions
diff --git a/src/js_printer.zig b/src/js_printer.zig index 343911baf..08064c6e3 100644 --- a/src/js_printer.zig +++ b/src/js_printer.zig @@ -2085,17 +2085,7 @@ pub fn NewPrinter( p.print("`"); }, .e_reg_exp => |e| { - const n = p.writer.written; - - // Avoid forming a single-line comment - if (n > 0 and p.writer.prevChar() == '/') { - p.print(" "); - } - - p.print(e.value); - - // Need a space before the next identifier to avoid it turning into flags - p.prev_reg_exp_end = p.writer.written; + p.printRegExpLiteral(e); }, .e_big_int => |e| { p.printSpaceBeforeIdentifier(); @@ -2492,6 +2482,44 @@ pub fn NewPrinter( } } + pub fn printRegExpLiteral(p: *Printer, e: *const E.RegExp) void { + const n = p.writer.written; + + // Avoid forming a single-line comment + if (n > 0 and p.writer.prevChar() == '/') { + p.print(" "); + } + + if (comptime is_bun_platform) { + if (e.value.len > 2 and e.usesLookBehindAssertion()) { + p.print("(new globalThis.Bun.OnigurumaRegExp("); + const pattern = e.pattern(); + const flags = e.flags(); + std.debug.assert(pattern.len > 0); + var buf = bun.default_allocator.alloc(u16, strings.elementLengthUTF8IntoUTF16([]const u8, pattern)) catch unreachable; + defer bun.default_allocator.free(buf); + const buf_len = std.unicode.utf8ToUtf16Le(buf, pattern) catch unreachable; + std.debug.assert(buf_len == buf.len); + const q = p.bestQuoteCharForString(buf, true); + p.print(q); + p.printQuotedUTF16(buf, q); + p.print(q); + if (flags.len > 0) { + p.print(", "); + p.printQuotedUTF8(flags, true); + } + p.print("))"); + } else { + p.print(e.value); + } + } else { + p.print(e.value); + } + + // Need a space before the next identifier to avoid it turning into flags + p.prev_reg_exp_end = p.writer.written; + } + pub fn printProperty(p: *Printer, item: G.Property) void { if (comptime !is_json) { if (item.kind == .spread) { |