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wasm shell + destructuring

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agra
2026-03-03 13:21:54 +02:00
parent 6c5672c7df
commit 004aff5f67
18 changed files with 219 additions and 32 deletions
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16
src/target.zig
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@@ -21,6 +21,8 @@ pub const TargetConfig = struct {
sysroot: ?[]const u8 = null,
/// Extra flags passed through to the linker (e.g. Emscripten -s flags).
extra_link_flags: []const []const u8 = &.{},
/// Custom WASM shell template path (overrides the built-in template).
wasm_shell_path: ?[]const u8 = null,
pub const OptLevel = enum {
none,
@@ -192,12 +194,16 @@ pub fn link(allocator: std.mem.Allocator, io: std.Io, output_obj: []const u8, ex
try argv.append(allocator, "-sMEMORY64");
}
// Use the built-in sx HTML shell template (write to temp file for emcc)
// HTML shell template: use custom path if set, otherwise write built-in template to temp file
if (std.mem.endsWith(u8, output_bin, ".html")) {
const shell_html = @embedFile("wasm_shell.html");
const shell_path = try std.fmt.allocPrint(allocator, "{s}.shell.html", .{output_obj});
std.Io.Dir.writeFile(.cwd(), io, .{ .sub_path = shell_path, .data = shell_html }) catch {};
try argv.appendSlice(allocator, &.{ "--shell-file", shell_path });
if (target_config.wasm_shell_path) |custom_shell| {
try argv.appendSlice(allocator, &.{ "--shell-file", custom_shell });
} else {
const shell_html = @embedFile("wasm_shell.html");
const shell_path = try std.fmt.allocPrint(allocator, "{s}.shell.html", .{output_obj});
std.Io.Dir.writeFile(.cwd(), io, .{ .sub_path = shell_path, .data = shell_html }) catch {};
try argv.appendSlice(allocator, &.{ "--shell-file", shell_path });
}
}
// Extra linker flags (e.g. -sUSE_SDL=3, -sUSE_WEBGL2=1, --preload-file assets)