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// Copyright 2026 Shota FUJI
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at https://mozilla.org/MPL/2.0/.
//
// SPDX-License-Identifier: MPL-2.0

const CustomElements = @This();

const std = @import("std");

compiler: *std.Build.Step.Run,
output_js: std.Build.LazyPath,

pub const InitOptions = struct {
    exe: []const u8,
    entrypoint: std.Build.LazyPath,
};

pub fn init(b: *std.Build, opts: InitOptions) CustomElements {
    const compiler = b.addSystemCommand(&.{opts.exe});

    const output_js = compiler.addPrefixedOutputFileArg("-outfile=", "elements.js");
    _ = compiler.addPrefixedDepFileOutputArg("-depfile=", "elements.d");

    compiler.addPrefixedFileArg("-entrypoint=", opts.entrypoint);

    return .{
        .compiler = compiler,
        .output_js = output_js,
    };
}