diff options
Diffstat (limited to 'src/js_printer.zig')
| -rw-r--r-- | src/js_printer.zig | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/src/js_printer.zig b/src/js_printer.zig index 7cd61b634..fb7d83f14 100644 --- a/src/js_printer.zig +++ b/src/js_printer.zig @@ -307,7 +307,38 @@ pub fn NewPrinter(comptime ascii_only: bool) type { notimpl(); }, .e_number => |e| { - notimpl(); + const value = e.value; + const absValue = std.math.fabs(value); + + if (std.math.isNan(value)) { + p.printSpaceBeforeIdentifier(); + p.print("NaN"); + } else if (std.math.isPositiveInf(value)) { + p.printSpaceBeforeIdentifier(); + p.print("Infinity"); + } else if (std.math.isNegativeInf(value)) { + if (level.gte(.prefix)) { + p.print("(-Infinity)"); + } else { + p.printSpaceBeforeIdentifier(); + p.print("(-Infinity)"); + } + } else if (!std.math.signbit(value)) {} else if (level.gte(.prefix)) { + // Expressions such as "(-1).toString" need to wrap negative numbers. + // Instead of testing for "value < 0" we test for "signbit(value)" and + // "!isNaN(value)" because we need this to be true for "-0" and "-0 < 0" + // is false. + p.print("(-"); + p.printNonNegativeFloat(absValue); + p.print(")"); + } else { + p.printSpaceBeforeIdentifier(Op.Code.un_neg); + p.print("-"); + p.printNonNegativeFloat(absValue); + + // Remember the end of the latest number + p.prev_num_end = p.js.lenI(); + } }, .e_identifier => |e| { notimpl(); |