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eric
274
wails_bun/private/frontend_dist.bzl
Normal file
274
wails_bun/private/frontend_dist.bzl
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@@ -0,0 +1,274 @@
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"""Bun frontend build helpers for Wails."""
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load("//wails:private/common.bzl", "bash_launcher", "write_manifest")
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def _node_modules_root_from_path(path):
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marker = "/node_modules/"
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marker_index = path.find(marker)
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if marker_index < 0:
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return None
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return path[:marker_index + len("/node_modules")]
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def _dirname(path):
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index = path.rfind("/")
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if index < 0:
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return "."
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return path[:index] or "."
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def _wails_bun_frontend_dist_impl(ctx):
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out_dir = ctx.actions.declare_directory(ctx.label.name)
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manifest_srcs = list(ctx.files.srcs)
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if ctx.file.package_json.path not in [src.path for src in manifest_srcs]:
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manifest_srcs.append(ctx.file.package_json)
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manifest = write_manifest(
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ctx,
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ctx.label.name + ".manifest",
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manifest_srcs,
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ctx.attr.strip_prefix,
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)
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if not ctx.files.node_modules:
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fail("wails_bun_frontend_dist requires a non-empty node_modules tree")
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workspace_marker = ""
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if ctx.attr.workspace_dir:
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workspace_marker = "/%s/node_modules/" % ctx.attr.workspace_dir.strip("/")
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shortest_path = None
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shared_node_modules_root = None
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workspace_node_modules_root = None
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for src in ctx.files.node_modules:
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if shortest_path == None or len(src.path) < len(shortest_path):
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shortest_path = src.path
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if workspace_marker and workspace_marker in src.path and workspace_node_modules_root == None:
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workspace_node_modules_root = _node_modules_root_from_path(src.path)
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if shortest_path:
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shared_node_modules_root = _node_modules_root_from_path(shortest_path)
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node_modules_root = workspace_node_modules_root or shared_node_modules_root
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if node_modules_root == None or shared_node_modules_root == None:
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fail("unable to determine node_modules roots from node_modules inputs")
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package_json_rel = ctx.file.package_json.short_path
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if ctx.attr.strip_prefix and package_json_rel.startswith(ctx.attr.strip_prefix):
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package_json_rel = package_json_rel[len(ctx.attr.strip_prefix):]
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package_dir = _dirname(package_json_rel)
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args = ctx.actions.args()
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args.add("--build-script", ctx.attr.build_script)
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args.add("--manifest", manifest.path)
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args.add("--node-modules-root", node_modules_root)
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args.add("--out", out_dir.path)
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args.add("--package-dir", package_dir)
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args.add("--shared-node-modules-root", shared_node_modules_root)
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args.add("--bun-darwin-aarch64", ctx.file._bun_darwin_aarch64.path)
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args.add("--bun-darwin-x64", ctx.file._bun_darwin_x64.path)
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args.add("--bun-linux-aarch64", ctx.file._bun_linux_aarch64.path)
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args.add("--bun-linux-x64", ctx.file._bun_linux_x64.path)
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args.add("--bun-windows-x64", ctx.file._bun_windows_x64.path)
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if ctx.attr.workspace_dir:
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args.add("--workspace-dir", ctx.attr.workspace_dir)
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ctx.actions.run(
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executable = ctx.executable._tool,
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arguments = [args],
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inputs = depset(
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manifest_srcs +
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ctx.files.node_modules + [
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manifest,
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ctx.file._bun_darwin_aarch64,
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ctx.file._bun_darwin_x64,
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ctx.file._bun_linux_aarch64,
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ctx.file._bun_linux_x64,
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ctx.file._bun_windows_x64,
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],
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),
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outputs = [out_dir],
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tools = [ctx.attr._tool[DefaultInfo].files_to_run],
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mnemonic = "WailsBunFrontendDist",
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progress_message = "Building Bun frontend dist for %s" % ctx.label,
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)
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return [DefaultInfo(files = depset([out_dir]))]
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def _wails_bun_frontend_dev_impl(ctx):
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launcher = ctx.actions.declare_file(ctx.label.name)
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package_dir = _dirname(ctx.file.package_json.short_path)
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resolve_lines = """
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tool="$(resolve_runfile "{tool_short_path}")"
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bun_darwin_aarch64="$(resolve_runfile "{bun_darwin_aarch64_short_path}")"
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bun_darwin_x64="$(resolve_runfile "{bun_darwin_x64_short_path}")"
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bun_linux_aarch64="$(resolve_runfile "{bun_linux_aarch64_short_path}")"
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bun_linux_x64="$(resolve_runfile "{bun_linux_x64_short_path}")"
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bun_windows_x64="$(resolve_runfile "{bun_windows_x64_short_path}")"
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""".format(
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tool_short_path = ctx.executable._tool.short_path,
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bun_darwin_aarch64_short_path = ctx.file._bun_darwin_aarch64.short_path,
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bun_darwin_x64_short_path = ctx.file._bun_darwin_x64.short_path,
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bun_linux_aarch64_short_path = ctx.file._bun_linux_aarch64.short_path,
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bun_linux_x64_short_path = ctx.file._bun_linux_x64.short_path,
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bun_windows_x64_short_path = ctx.file._bun_windows_x64.short_path,
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)
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command_lines = """
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exec "$tool" \
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--bun-darwin-aarch64 "$bun_darwin_aarch64" \
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--bun-darwin-x64 "$bun_darwin_x64" \
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--bun-linux-aarch64 "$bun_linux_aarch64" \
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--bun-linux-x64 "$bun_linux_x64" \
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--bun-windows-x64 "$bun_windows_x64" \
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--package-dir {package_dir} \
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--script {script}
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""".format(
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package_dir = _shell_quote(ctx.attr.workspace_dir or package_dir),
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script = _shell_quote(ctx.attr.script),
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)
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ctx.actions.write(
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output = launcher,
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is_executable = True,
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content = bash_launcher(resolve_lines, command_lines),
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)
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runfiles = ctx.runfiles(
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files = [
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ctx.executable._tool,
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ctx.file._bun_darwin_aarch64,
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ctx.file._bun_darwin_x64,
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ctx.file._bun_linux_aarch64,
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ctx.file._bun_linux_x64,
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ctx.file._bun_windows_x64,
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] + ([ctx.file.package_json] if ctx.file.package_json else []),
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transitive_files = depset(transitive = [
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ctx.attr._tool[DefaultInfo].default_runfiles.files,
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]),
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)
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return [DefaultInfo(executable = launcher, runfiles = runfiles)]
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def _shell_quote(value):
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return "'" + value.replace("'", "'\"'\"'") + "'"
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wails_bun_frontend_dist = rule(
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implementation = _wails_bun_frontend_dist_impl,
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attrs = {
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"build_script": attr.string(default = "build"),
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"node_modules": attr.label(
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mandatory = True,
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allow_files = True,
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),
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"package_json": attr.label(
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mandatory = True,
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allow_single_file = True,
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),
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"srcs": attr.label_list(
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mandatory = True,
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allow_files = True,
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),
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"strip_prefix": attr.string(default = ""),
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"workspace_dir": attr.string(default = ""),
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"_tool": attr.label(
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default = "//wails_bun/tools:frontend_dist_action",
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cfg = "exec",
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executable = True,
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),
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"_bun_darwin_aarch64": attr.label(
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default = "@bun_darwin_aarch64//:bun",
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cfg = "exec",
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allow_single_file = True,
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),
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"_bun_darwin_x64": attr.label(
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default = "@bun_darwin_x64//:bun",
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cfg = "exec",
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allow_single_file = True,
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),
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"_bun_linux_aarch64": attr.label(
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default = "@bun_linux_aarch64//:bun",
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cfg = "exec",
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allow_single_file = True,
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),
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"_bun_linux_x64": attr.label(
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default = "@bun_linux_x64//:bun",
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cfg = "exec",
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allow_single_file = True,
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),
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"_bun_windows_x64": attr.label(
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default = "@bun_windows_x64//:bun",
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cfg = "exec",
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allow_single_file = True,
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),
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},
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)
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_wails_bun_frontend_dev = rule(
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implementation = _wails_bun_frontend_dev_impl,
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attrs = {
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"data": attr.label_list(allow_files = True),
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"node_modules": attr.label(
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mandatory = True,
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allow_files = True,
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),
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"package_json": attr.label(
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mandatory = True,
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allow_single_file = True,
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),
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"script": attr.string(default = "dev"),
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"workspace_dir": attr.string(default = ""),
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"_tool": attr.label(
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default = "//wails_bun/tools:frontend_dev_server",
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cfg = "exec",
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executable = True,
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),
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"_bun_darwin_aarch64": attr.label(
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default = "@bun_darwin_aarch64//:bun",
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cfg = "exec",
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allow_single_file = True,
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),
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"_bun_darwin_x64": attr.label(
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default = "@bun_darwin_x64//:bun",
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cfg = "exec",
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allow_single_file = True,
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),
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"_bun_linux_aarch64": attr.label(
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default = "@bun_linux_aarch64//:bun",
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cfg = "exec",
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allow_single_file = True,
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),
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"_bun_linux_x64": attr.label(
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default = "@bun_linux_x64//:bun",
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cfg = "exec",
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allow_single_file = True,
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),
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"_bun_windows_x64": attr.label(
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default = "@bun_windows_x64//:bun",
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cfg = "exec",
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allow_single_file = True,
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),
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},
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executable = True,
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)
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def wails_bun_frontend_dev(
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name,
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data,
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node_modules,
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package_json,
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script = "dev",
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workspace_dir = "",
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tags = None,
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visibility = None):
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_wails_bun_frontend_dev(
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name = name,
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data = data,
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node_modules = node_modules,
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package_json = package_json,
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script = script,
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tags = tags,
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visibility = visibility,
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workspace_dir = workspace_dir,
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)
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