Commit 7dacf77745

@@ -33,6 +33,9 @@ pub const StringifyOptions = struct {
 
     /// Should unicode characters be escaped in strings?
     escape_unicode: bool = false,
+
+    /// When true, renders numbers outside the range `±1<<53` (the precise integer range of f64) as JSON strings in base 10.
+    emit_big_numbers_quoted: bool = false,
 };
 
 /// Writes the given value to the `std.io.Writer` stream.
@@ -161,7 +164,7 @@ pub fn writeStreamArbitraryDepth(
 ///  * Zig `bool` -> JSON `true` or `false`.
 ///  * Zig `?T` -> `null` or the rendering of `T`.
 ///  * Zig `i32`, `u64`, etc. -> JSON number or string.
-///      * If the value is outside the range `±1<<53` (the precise integer rage of f64), it is rendered as a JSON string in base 10. Otherwise, it is rendered as JSON number.
+///      * If the value is outside the range `±1<<53` (the precise integer range of f64), it is rendered as a JSON string in base 10. Otherwise, it is rendered as JSON number.
 ///  * Zig floats -> JSON number or string.
 ///      * If the value cannot be precisely represented by an f64, it is rendered as a JSON string. Otherwise, it is rendered as JSON number.
 ///      * TODO: Float rendering will likely change in the future, e.g. to remove the unnecessary "e+00".
@@ -400,20 +403,16 @@ pub fn WriteStream(
             const T = @TypeOf(value);
             switch (@typeInfo(T)) {
                 .Int => |info| {
-                    if (info.bits < 53) {
-                        try self.valueStart();
-                        try self.stream.print("{}", .{value});
-                        self.valueDone();
-                        return;
-                    }
-                    if (value < 4503599627370496 and (info.signedness == .unsigned or value > -4503599627370496)) {
-                        try self.valueStart();
+                    const emit_unquoted =
+                        if (!self.options.emit_big_numbers_quoted) true
+                        else if (info.bits < 53) true
+                        else (value < 4503599627370496 and (info.signedness == .unsigned or value > -4503599627370496));
+                    try self.valueStart();
+                    if (emit_unquoted) {
                         try self.stream.print("{}", .{value});
-                        self.valueDone();
-                        return;
+                    } else {
+                        try self.stream.print("\"{}\"", .{value});
                     }
-                    try self.valueStart();
-                    try self.stream.print("\"{}\"", .{value});
                     self.valueDone();
                     return;
                 },

@@ -126,6 +126,7 @@ test "stringify basic types" {
     try testStringify("4.2e+01", 42.0, .{});
     try testStringify("42", @as(u8, 42), .{});
     try testStringify("42", @as(u128, 42), .{});
+    try testStringify("9999999999999999", 9999999999999999, .{});
     try testStringify("4.2e+01", @as(f32, 42), .{});
     try testStringify("4.2e+01", @as(f64, 42), .{});
     try testStringify("\"ItBroke\"", @as(anyerror, error.ItBroke), .{});
@@ -432,3 +433,8 @@ test "print" {
     ;
     try std.testing.expectEqualStrings(expected, result);
 }
+
+test "big integers" {
+    try testStringify("9999999999999999", 9999999999999999, .{});
+    try testStringify("\"9999999999999999\"", 9999999999999999, .{ .emit_big_numbers_quoted = true });
+}