eric/rules_bun
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feat: new bun_build and bun_compile, extend bun_install

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eric
2026-03-15 00:11:55 +01:00
parent c446f23a35
commit a0bc998bd2
58 changed files with 1845 additions and 191 deletions
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56
internal/bun_binary.bzl
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@@ -1,11 +1,9 @@
"""Rule for running JS/TS scripts with Bun."""
load("//internal:bun_command.bzl", "append_shell_flag", "append_shell_flag_files", "append_shell_flag_values", "append_shell_install_mode", "append_shell_raw_flags", "render_shell_array", "shell_quote")
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 _bun_binary_impl(ctx):
toolchain = ctx.toolchains["//bun:toolchain_type"]
bun_bin = toolchain.bun.bun_bin
@@ -13,21 +11,28 @@ def _bun_binary_impl(ctx):
dep_runfiles = [collect_js_runfiles(dep) for dep in ctx.attr.deps]
workspace_info = create_bun_workspace_info(
ctx,
extra_files = ctx.files.data + [bun_bin],
extra_files = ctx.files.data + ctx.files.preload + ctx.files.env_files + [bun_bin],
primary_file = entry_point,
)
launcher_lines = [render_shell_array("bun_args", ["--bun", "run"])]
append_shell_install_mode(launcher_lines, "bun_args", ctx.attr.install_mode)
append_shell_flag_files(launcher_lines, "bun_args", "--preload", ctx.files.preload)
append_shell_flag_files(launcher_lines, "bun_args", "--env-file", ctx.files.env_files)
append_shell_flag(launcher_lines, "bun_args", "--no-env-file", ctx.attr.no_env_file)
append_shell_flag(launcher_lines, "bun_args", "--smol", ctx.attr.smol)
append_shell_flag_values(launcher_lines, "bun_args", "--conditions", ctx.attr.conditions)
append_shell_raw_flags(launcher_lines, "bun_args", ctx.attr.run_flags)
launcher_lines.append('bun_args+=("${primary_source}")')
for arg in ctx.attr.args:
launcher_lines.append("bun_args+=(%s)" % shell_quote(arg))
command = """
trap cleanup_runtime_workspace EXIT
cd "${runtime_exec_dir}"
exec "${bun_bin}" --bun run "${primary_source}" "$@"
"""
if ctx.attr.args:
command = """
trap cleanup_runtime_workspace EXIT
cd "${runtime_exec_dir}"
exec "${bun_bin}" --bun run "${primary_source}" __DEFAULT_ARGS__ "$@"
""".replace("__DEFAULT_ARGS__", " ".join([_shell_quote(arg) for arg in ctx.attr.args]))
__BUN_ARGS__
exec "${bun_bin}" "${bun_args[@]}" "$@"
""".replace("__BUN_ARGS__", "\n".join(launcher_lines))
launcher = ctx.actions.declare_file(ctx.label.name)
ctx.actions.write(
@@ -76,6 +81,33 @@ Use this rule for non-test scripts and CLIs that should run via `bazel run`.
"deps": attr.label_list(
doc = "Library dependencies required by the program.",
),
"preload": attr.label_list(
allow_files = True,
doc = "Modules to preload with `--preload` before running the entry point.",
),
"env_files": attr.label_list(
allow_files = True,
doc = "Additional environment files loaded with `--env-file`.",
),
"no_env_file": attr.bool(
default = False,
doc = "If true, disables Bun's automatic `.env` loading.",
),
"smol": attr.bool(
default = False,
doc = "If true, enables Bun's lower-memory runtime mode.",
),
"conditions": attr.string_list(
doc = "Custom package resolve conditions passed to Bun.",
),
"install_mode": attr.string(
default = "disable",
values = ["disable", "auto", "fallback", "force"],
doc = "Whether Bun may auto-install missing packages at runtime.",
),
"run_flags": attr.string_list(
doc = "Additional raw flags forwarded to `bun run` before the entry point.",
),
"working_dir": attr.string(
default = "workspace",
values = ["workspace", "entry_point"],