{build,wasmserve}: use wasmserve, drop apple_pie

tools/html-generator/main.zig

@@ -0,0 +1,29 @@
+const std = @import("std");
+
+const source = @embedFile("template.html");
+const app_name_needle = "{ app_name }";
+
+pub fn main() !void {
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    const allocator = gpa.allocator();
+    defer _ = gpa.deinit();
+
+    const args = try std.process.argsAlloc(allocator);
+    defer std.process.argsFree(allocator, args);
+
+    if (args.len < 3) {
+        std.debug.print("Usage: html-generator <output-name> <app-name>\n", .{});
+        return;
+    }
+
+    const output_name = args[1];
+    const app_name = args[2];
+
+    const file = try std.fs.cwd().createFile(output_name, .{});
+    defer file.close();
+    var buf = try allocator.alloc(u8, std.mem.replacementSize(u8, source, app_name_needle, app_name));
+    defer allocator.free(buf);
+
+    _ = std.mem.replace(u8, source, app_name_needle, app_name, buf);
+    _ = try file.write(buf);
+}