[js] Fix console.log(Infinity)

2 files changed, 12 insertions, 1 deletions

diff --git a/src/bun.js/bindings/exports.zig b/src/bun.js/bindings/exports.zig
index 159bc4d0e..8c7b9b68c 100644
--- a/src/bun.js/bindings/exports.zig
+++ b/src/bun.js/bindings/exports.zig
@@ -1648,7 +1648,15 @@ pub const ZigConsoleClient = struct {
                     writer.print(comptime Output.prettyFmt("<r><yellow>{s}n<r>", enable_ansi_colors), .{out_str});
                 },
                 .Double => {
-                    writer.print(comptime Output.prettyFmt("<r><yellow>{d}<r>", enable_ansi_colors), .{value.asNumber()});
+                    if (std.math.isPositiveInf(value.asNumber())) {
+                        writer.print(comptime Output.prettyFmt("<r><yellow>Infinity<r>", enable_ansi_colors), .{});
+                    } else if (std.math.isNegativeInf(value.asNumber())) {
+                        writer.print(comptime Output.prettyFmt("<r><yellow>-Infinity<r>", enable_ansi_colors), .{});
+                    } else if (std.math.isNan(value.asNumber())) {
+                        writer.print(comptime Output.prettyFmt("<r><yellow>NaN<r>", enable_ansi_colors), .{});
+                    } else {
+                        writer.print(comptime Output.prettyFmt("<r><yellow>{d}<r>", enable_ansi_colors), .{value.asNumber()});
+                    }
                 },
                 .Undefined => {
                     writer.print(comptime Output.prettyFmt("<r><d>undefined<r>", enable_ansi_colors), .{});
diff --git a/test/bun.js/inspect.test.js b/test/bun.js/inspect.test.js
index a0662ce9d..f7b364953 100644
--- a/test/bun.js/inspect.test.js
+++ b/test/bun.js/inspect.test.js
@@ -117,6 +117,9 @@ it("inspect", () => {
   );
   expect("hi").toBe("hi");
   expect(Bun.inspect(1)).toBe("1");
+  expect(Bun.inspect(NaN)).toBe("NaN");
+  expect(Bun.inspect(Infinity)).toBe("Infinity");
+  expect(Bun.inspect(-Infinity)).toBe("-Infinity");
   expect(Bun.inspect(1, "hi")).toBe("1 hi");
   expect(Bun.inspect([])).toBe("[]");
   expect(Bun.inspect({})).toBe("{ }");