feat(node/net): add SocketAddress (#17154)

Co-authored-by: DonIsaac <22823424+DonIsaac@users.noreply.github.com>

src/string.zig

@@ -1046,7 +1046,7 @@ pub const String = extern struct {
     extern fn JSC__createTypeError(*JSC.JSGlobalObject, str: *const String) JSC.JSValue;
     extern fn JSC__createRangeError(*JSC.JSGlobalObject, str: *const String) JSC.JSValue;
 
-    fn concat(comptime n: usize, allocator: std.mem.Allocator, strings: *const [n]String) !String {
+    fn concat(comptime n: usize, allocator: std.mem.Allocator, strings: *const [n]String) std.mem.Allocator.Error!String {
         var num_16bit: usize = 0;
         inline for (strings) |str| {
             if (!str.is8Bit()) num_16bit += 1;
@@ -1083,7 +1083,7 @@ pub const String = extern struct {
     /// Creates a new String from a given tuple (of comptime-known size) of String.
     ///
     /// Note: the callee owns the resulting string and must call `.deref()` on it once done
-    pub inline fn createFromConcat(allocator: std.mem.Allocator, strings: anytype) !String {
+    pub inline fn createFromConcat(allocator: std.mem.Allocator, strings: anytype) std.mem.Allocator.Error!String {
         return try concat(strings.len, allocator, strings);
     }
 
@@ -1105,6 +1105,15 @@ pub const String = extern struct {
         return JSC.jsNumber(width);
     }
 
+    /// Reports owned allocation size, not the actual size of the string.
+    pub fn estimatedSize(this: *const String) usize {
+        return switch (this.tag) {
+            .Dead, .Empty, .StaticZigString => 0,
+            .ZigString => this.value.ZigString.len,
+            .WTFStringImpl => this.value.WTFStringImpl.byteLength(),
+        };
+    }
+
     // TODO: move ZigString.Slice here
     /// A UTF-8 encoded slice tied to the lifetime of a `bun.String`
     /// Must call `.deinit` to release memory