101 lines
4.0 KiB
Python
101 lines
4.0 KiB
Python
"""Compatibility rule for running an executable target as a dev server."""
|
|
|
|
load("//internal:js_library.bzl", "collect_js_runfiles")
|
|
load("//internal:workspace.bzl", "create_bun_workspace_info", "render_workspace_setup", "workspace_runfiles")
|
|
|
|
def _shell_quote(value):
|
|
return "'" + value.replace("'", "'\"'\"'") + "'"
|
|
|
|
def _js_run_devserver_impl(ctx):
|
|
toolchain = ctx.toolchains["//bun:toolchain_type"]
|
|
bun_bin = toolchain.bun.bun_bin
|
|
package_json = ctx.file.package_json
|
|
dep_runfiles = [collect_js_runfiles(dep) for dep in ctx.attr.deps]
|
|
tool_default_info = ctx.attr.tool[DefaultInfo]
|
|
|
|
workspace_info = create_bun_workspace_info(
|
|
ctx,
|
|
primary_file = package_json or tool_default_info.files_to_run.executable,
|
|
package_json = package_json,
|
|
package_dir_hint = ctx.attr.package_dir_hint,
|
|
extra_files = ctx.files.data + [bun_bin, tool_default_info.files_to_run.executable],
|
|
)
|
|
|
|
tool_workspace = ctx.attr.tool.label.workspace_name or "_main"
|
|
tool_path = "{}/{}".format(tool_workspace, tool_default_info.files_to_run.executable.short_path)
|
|
default_args = " ".join([_shell_quote(arg) for arg in ctx.attr.args])
|
|
|
|
launcher = ctx.actions.declare_file(ctx.label.name)
|
|
ctx.actions.write(
|
|
output = launcher,
|
|
is_executable = True,
|
|
content = render_workspace_setup(
|
|
bun_short_path = bun_bin.short_path,
|
|
primary_source_short_path = package_json.short_path if package_json else tool_default_info.files_to_run.executable.short_path,
|
|
package_json_short_path = package_json.short_path if package_json else "",
|
|
package_dir_hint = ctx.attr.package_dir_hint,
|
|
working_dir_mode = ctx.attr.working_dir,
|
|
) + """
|
|
trap cleanup_runtime_workspace EXIT
|
|
cd "${runtime_exec_dir}"
|
|
tool="${runfiles_dir}/__TOOL_SHORT_PATH__"
|
|
exec "${tool}" __DEFAULT_ARGS__ "$@"
|
|
""".replace("__TOOL_SHORT_PATH__", tool_path).replace("__DEFAULT_ARGS__", default_args),
|
|
)
|
|
|
|
return [
|
|
workspace_info,
|
|
DefaultInfo(
|
|
executable = launcher,
|
|
runfiles = workspace_runfiles(
|
|
ctx,
|
|
workspace_info,
|
|
direct_files = [launcher, tool_default_info.files_to_run.executable],
|
|
transitive_files = dep_runfiles,
|
|
).merge(tool_default_info.default_runfiles),
|
|
),
|
|
]
|
|
|
|
js_run_devserver = rule(
|
|
implementation = _js_run_devserver_impl,
|
|
doc = """Runs an executable target from a staged JS workspace.
|
|
|
|
This is a Bun-backed compatibility adapter for `rules_js`-style devserver
|
|
targets. It stages the same runtime workspace as the Bun rules, then executes
|
|
the provided tool with any default arguments.
|
|
""",
|
|
attrs = {
|
|
"tool": attr.label(
|
|
mandatory = True,
|
|
executable = True,
|
|
cfg = "target",
|
|
doc = "Executable target to launch as the dev server.",
|
|
),
|
|
"package_json": attr.label(
|
|
allow_single_file = True,
|
|
doc = "Optional package.json used to resolve the package working directory.",
|
|
),
|
|
"package_dir_hint": attr.string(
|
|
default = ".",
|
|
doc = "Optional package-relative directory hint when package_json is not supplied.",
|
|
),
|
|
"node_modules": attr.label(
|
|
doc = "Optional label providing package files from a node_modules tree, typically produced by bun_install or npm_translate_lock, in runfiles.",
|
|
),
|
|
"deps": attr.label_list(
|
|
doc = "Library dependencies required by the dev server.",
|
|
),
|
|
"data": attr.label_list(
|
|
allow_files = True,
|
|
doc = "Additional runtime files required by the dev server.",
|
|
),
|
|
"working_dir": attr.string(
|
|
default = "workspace",
|
|
values = ["workspace", "package"],
|
|
doc = "Working directory at runtime: Bazel runfiles workspace root or the resolved package directory.",
|
|
),
|
|
},
|
|
executable = True,
|
|
toolchains = ["//bun:toolchain_type"],
|
|
)
|