buildClientWasm

fn buildClientWasm(ws: *WebServer, arena: Allocator, optimize: std.builtin.OptimizeMode) !Cache.Path

File

Code

fn buildClientWasm(ws: *WebServer, arena: Allocator, optimize: std.builtin.OptimizeMode) !Cache.Path {
    const root_name = "build-web";
    const arch_os_abi = "wasm32-freestanding";
    const cpu_features = "baseline+atomics+bulk_memory+multivalue+mutable_globals+nontrapping_fptoint+reference_types+sign_ext";

    const graph = ws.graph;
    const gpa = graph.cache.gpa;
    const io = graph.io;

    const main_src_path: Cache.Path = .{
        .root_dir = graph.zig_lib_directory,
        .sub_path = "build-web/main.zig",
    };
    const walk_src_path: Cache.Path = .{
        .root_dir = graph.zig_lib_directory,
        .sub_path = "docs/wasm/Walk.zig",
    };
    const html_render_src_path: Cache.Path = .{
        .root_dir = graph.zig_lib_directory,
        .sub_path = "docs/wasm/html_render.zig",
    };

    var argv: std.ArrayList([]const u8) = .empty;

    try argv.appendSlice(arena, &.{
        graph.zig_exe, "build-exe", //
        "-fno-entry", //
        "-O", @tagName(optimize), //
        "-target", arch_os_abi, //
        "-mcpu", cpu_features, //
        "--cache-dir", graph.global_cache_root.path orelse ".", //
        "--global-cache-dir", graph.global_cache_root.path orelse ".", //
        "--zig-lib-dir", graph.zig_lib_directory.path orelse ".", //
        "--name", root_name, //
        "-rdynamic", //
        "-fsingle-threaded", //
        "--dep", "Walk", //
        "--dep", "html_render", //
        try std.fmt.allocPrint(arena, "-Mroot={f}", .{main_src_path}), //
        try std.fmt.allocPrint(arena, "-MWalk={f}", .{walk_src_path}), //
        "--dep", "Walk", //
        try std.fmt.allocPrint(arena, "-Mhtml_render={f}", .{html_render_src_path}), //
        "--listen=-",
    });

    const compile_prog_node = ws.root_prog_node.start("Compile WebAssembly Component", 0);
    defer compile_prog_node.end();

    const result = try std.zig.buildExeSubprocess(gpa, io, .{
        .argv = argv.items,
        .cache_root = graph.global_cache_root,
        .root_name = root_name,
        .arch_os_abi = arch_os_abi,
        .cpu_features = cpu_features,
        .progress_node = compile_prog_node,
    });
    if (!result.cache_hit) log.info("source changes detected; rebuilt wasm component", .{});
    return result.path;
}