refactor: zigify imports and correct minor mistakes

src/render.zig

@@ -1,18 +1,14 @@
-const std = @import("std");
-const terminal = @import("terminal.zig");
-
-const Cell = @import("cell.zig");
-const Point = @import("point.zig").Point;
+//! Renderer for `zterm`.
 
 /// Double-buffered intermediate rendering pipeline
 pub const Buffered = struct {
-    allocator: std.mem.Allocator,
+    allocator: Allocator,
     created: bool,
     size: Point,
     screen: []Cell,
     virtual_screen: []Cell,
 
-    pub fn init(allocator: std.mem.Allocator) @This() {
+    pub fn init(allocator: Allocator) @This() {
         return .{
             .allocator = allocator,
             .created = false,
@@ -29,9 +25,9 @@ pub const Buffered = struct {
         }
     }
 
-    pub fn resize(this: *@This()) !void {
+    pub fn resize(this: *@This()) !Point {
         const size = terminal.getTerminalSize();
-        if (std.meta.eql(this.size, size)) return;
+        if (meta.eql(this.size, size)) return this.size;
 
         this.size = size;
         const n = @as(usize, this.size.x) * @as(usize, this.size.y);
@@ -52,6 +48,7 @@ pub const Buffered = struct {
             @memset(this.virtual_screen, .{});
         }
         try this.clear();
+        return size;
     }
 
     /// Clear the entire screen and reset the screen buffer, to force a re-draw with the next `flush` call.
@@ -118,3 +115,10 @@ pub const Buffered = struct {
         }
     }
 };
+
+const std = @import("std");
+const meta = std.meta;
+const Allocator = std.mem.Allocator;
+const terminal = @import("terminal.zig");
+const Cell = @import("cell.zig");
+const Point = @import("point.zig").Point;