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const debug = Output.scoped(.CLI, .hidden);
pub var start_time: i128 = undefined;
pub var Bun__Node__ProcessTitle: ?string = null;
pub const Cli = struct {
pub const CompileTarget = @import("./compile_target.zig");
pub var log_: logger.Log = undefined;
pub fn startTransform(_: std.mem.Allocator, _: api.TransformOptions, _: *logger.Log) anyerror!void {}
pub fn start(allocator: std.mem.Allocator) void {
is_main_thread = true;
start_time = std.time.nanoTimestamp();
log_ = logger.Log.init(allocator);
var log = &log_;
// var panicker = MainPanicHandler.init(log);
// MainPanicHandler.Singleton = &panicker;
Command.start(allocator, log) catch |err| {
log.print(Output.errorWriter()) catch {};
bun.crash_handler.handleRootError(err, @errorReturnTrace());
};
}
pub var cmd: ?Command.Tag = null;
pub threadlocal var is_main_thread: bool = false;
};
pub const debug_flags = if (Environment.show_crash_trace) struct {
pub var resolve_breakpoints: []const []const u8 = &.{};
pub var print_breakpoints: []const []const u8 = &.{};
pub fn hasResolveBreakpoint(str: []const u8) bool {
for (resolve_breakpoints) |bp| {
if (strings.contains(str, bp)) {
return true;
}
}
return false;
}
pub fn hasPrintBreakpoint(path: fs.Path) bool {
for (print_breakpoints) |bp| {
if (strings.contains(path.pretty, bp)) {
return true;
}
if (strings.contains(path.text, bp)) {
return true;
}
}
return false;
}
} else @compileError("Do not access this namespace in a release build");
pub const LoaderColonList = ColonListType(api.Loader, Arguments.loader_resolver);
pub const DefineColonList = ColonListType(string, Arguments.noop_resolver);
pub fn invalidTarget(diag: *clap.Diagnostic, _target: []const u8) noreturn {
@branchHint(.cold);
diag.name.long = "target";
diag.arg = _target;
diag.report(Output.errorWriter(), error.InvalidTarget) catch {};
std.process.exit(1);
}
pub const BuildCommand = @import("./cli/build_command.zig").BuildCommand;
pub const AddCommand = @import("./cli/add_command.zig").AddCommand;
pub const CreateCommand = @import("./cli/create_command.zig").CreateCommand;
pub const CreateCommandExample = @import("./cli/create_command.zig").Example;
pub const CreateListExamplesCommand = @import("./cli/create_command.zig").CreateListExamplesCommand;
pub const DiscordCommand = @import("./cli/discord_command.zig").DiscordCommand;
pub const InstallCommand = @import("./cli/install_command.zig").InstallCommand;
pub const LinkCommand = @import("./cli/link_command.zig").LinkCommand;
pub const UnlinkCommand = @import("./cli/unlink_command.zig").UnlinkCommand;
pub const InstallCompletionsCommand = @import("./cli/install_completions_command.zig").InstallCompletionsCommand;
pub const PackageManagerCommand = @import("./cli/package_manager_command.zig").PackageManagerCommand;
pub const RemoveCommand = @import("./cli/remove_command.zig").RemoveCommand;
pub const RunCommand = @import("./cli/run_command.zig").RunCommand;
pub const ShellCompletions = @import("./cli/shell_completions.zig");
pub const UpdateCommand = @import("./cli/update_command.zig").UpdateCommand;
pub const UpgradeCommand = @import("./cli/upgrade_command.zig").UpgradeCommand;
pub const BunxCommand = @import("./cli/bunx_command.zig").BunxCommand;
pub const ExecCommand = @import("./cli/exec_command.zig").ExecCommand;
pub const PatchCommand = @import("./cli/patch_command.zig").PatchCommand;
pub const PatchCommitCommand = @import("./cli/patch_commit_command.zig").PatchCommitCommand;
pub const OutdatedCommand = @import("./cli/outdated_command.zig").OutdatedCommand;
pub const UpdateInteractiveCommand = @import("./cli/update_interactive_command.zig").UpdateInteractiveCommand;
pub const PublishCommand = @import("./cli/publish_command.zig").PublishCommand;
pub const PackCommand = @import("./cli/pack_command.zig").PackCommand;
pub const AuditCommand = @import("./cli/audit_command.zig").AuditCommand;
pub const InitCommand = @import("./cli/init_command.zig").InitCommand;
pub const WhyCommand = @import("./cli/why_command.zig").WhyCommand;
pub const FuzzilliCommand = @import("./cli/fuzzilli_command.zig").FuzzilliCommand;
pub const ReplCommand = @import("./cli/repl_command.zig").ReplCommand;
pub const Arguments = @import("./cli/Arguments.zig");
const AutoCommand = struct {
pub fn exec(allocator: std.mem.Allocator) !void {
try HelpCommand.execWithReason(allocator, .invalid_command);
}
};
pub const HelpCommand = struct {
pub fn exec(allocator: std.mem.Allocator) !void {
@branchHint(.cold);
execWithReason(allocator, .explicit);
}
pub const Reason = enum {
explicit,
invalid_command,
};
// someone will get mad at me for this
pub const packages_to_remove_filler = [_]string{
"moment",
"underscore",
"jquery",
"backbone",
"redux",
"browserify",
"webpack",
"left-pad",
"is-array",
"babel-core",
"@parcel/core",
};
pub const packages_to_add_filler = [_]string{
"elysia",
"@shumai/shumai",
"hono",
"react",
"lyra",
"@remix-run/dev",
"@evan/duckdb",
"@zarfjs/zarf",
"zod",
"tailwindcss",
};
pub const packages_to_x_filler = [_]string{
"bun-repl",
"next",
"vite",
"prisma",
"nuxi",
"prettier",
"eslint",
};
pub const packages_to_create_filler = [_]string{
"next-app",
"vite",
"astro",
"svelte",
"elysia",
};
// the spacing between commands here is intentional
pub const cli_helptext_fmt =
\\<b>Usage:<r> <b>bun \<command\> <cyan>[...flags]<r> <b>[...args]<r>
\\
\\<b>Commands:<r>
\\ <b><magenta>run<r> <d>./my-script.ts<r> Execute a file with Bun
\\ <d>lint<r> Run a package.json script
\\ <b><magenta>test<r> Run unit tests with Bun
\\ <b><magenta>x<r> <d>{s:<16}<r> Execute a package binary (CLI), installing if needed <d>(bunx)<r>
\\ <b><magenta>repl<r> Start a REPL session with Bun
\\ <b><magenta>exec<r> Run a shell script directly with Bun
\\
\\ <b><blue>install<r> Install dependencies for a package.json <d>(bun i)<r>
\\ <b><blue>add<r> <d>{s:<16}<r> Add a dependency to package.json <d>(bun a)<r>
\\ <b><blue>remove<r> <d>{s:<16}<r> Remove a dependency from package.json <d>(bun rm)<r>
\\ <b><blue>update<r> <d>{s:<16}<r> Update outdated dependencies
\\ <b><blue>audit<r> Check installed packages for vulnerabilities
\\ <b><blue>outdated<r> Display latest versions of outdated dependencies
\\ <b><blue>link<r> <d>[\<package\>]<r> Register or link a local npm package
\\ <b><blue>unlink<r> Unregister a local npm package
\\ <b><blue>publish<r> Publish a package to the npm registry
\\ <b><blue>patch <d>\<pkg\><r> Prepare a package for patching
\\ <b><blue>pm <d>\<subcommand\><r> Additional package management utilities
\\ <b><blue>info<r> <d>{s:<16}<r> Display package metadata from the registry
\\ <b><blue>why<r> <d>{s:<16}<r> Explain why a package is installed
\\
\\ <b><yellow>build<r> <d>./a.ts ./b.jsx<r> Bundle TypeScript & JavaScript into a single file
\\
\\ <b><cyan>init<r> Start an empty Bun project from a built-in template
\\ <b><cyan>create<r> <d>{s:<16}<r> Create a new project from a template <d>(bun c)<r>
\\ <b><cyan>upgrade<r> Upgrade to latest version of Bun.
\\ <b><cyan>feedback<r> <d>./file1 ./file2<r> Provide feedback to the Bun team.
\\
\\ <d>\<command\><r> <b><cyan>--help<r> Print help text for command.
\\
;
const cli_helptext_footer =
\\
\\Learn more about Bun: <magenta>https://bun.com/docs<r>
\\Join our Discord community: <blue>https://bun.com/discord<r>
\\
;
pub fn printWithReason(comptime reason: Reason, show_all_flags: bool) void {
var rand_state = std.Random.DefaultPrng.init(@as(u64, @intCast(@max(std.time.milliTimestamp(), 0))));
const rand = rand_state.random();
const package_x_i = rand.uintAtMost(usize, packages_to_x_filler.len - 1);
const package_add_i = rand.uintAtMost(usize, packages_to_add_filler.len - 1);
const package_remove_i = rand.uintAtMost(usize, packages_to_remove_filler.len - 1);
const package_create_i = rand.uintAtMost(usize, packages_to_create_filler.len - 1);
const args = .{
packages_to_x_filler[package_x_i],
packages_to_add_filler[package_add_i],
packages_to_remove_filler[package_remove_i],
packages_to_add_filler[(package_add_i + 1) % packages_to_add_filler.len],
packages_to_add_filler[(package_add_i + 2) % packages_to_add_filler.len],
packages_to_add_filler[(package_add_i + 3) % packages_to_add_filler.len],
packages_to_create_filler[package_create_i],
};
switch (reason) {
.explicit => {
if (comptime Environment.isDebug) {
if (bun.argv.len == 1) {
if (bun.Output.isAIAgent()) {
if (bun.env_var.npm_lifecycle_event.get()) |event| {
if (bun.strings.hasPrefixComptime(event, "bd")) {
// claude gets very confused by the help menu
// let's give claude some self confidence.
Output.println("BUN COMPILED SUCCESSFULLY! 🎉", .{});
Global.exit(0);
}
}
}
}
}
Output.pretty(
"<r><b><magenta>Bun<r> is a fast JavaScript runtime, package manager, bundler, and test runner. <d>(" ++
Global.package_json_version_with_revision ++
")<r>\n\n" ++
cli_helptext_fmt,
args,
);
if (show_all_flags) {
Output.pretty("\n<b>Flags:<r>", .{});
const flags = Arguments.runtime_params_ ++ Arguments.auto_only_params ++ Arguments.base_params_;
clap.simpleHelpBunTopLevel(comptime &flags);
Output.pretty("\n\n(more flags in <b>bun install --help<r>, <b>bun test --help<r>, and <b>bun build --help<r>)\n", .{});
}
Output.pretty(cli_helptext_footer, .{});
},
.invalid_command => Output.prettyError(
"<r><red>Uh-oh<r> not sure what to do with that command.\n\n" ++ cli_helptext_fmt,
args,
),
}
Output.flush();
}
pub fn execWithReason(_: std.mem.Allocator, comptime reason: Reason) void {
@branchHint(.cold);
printWithReason(reason, false);
if (reason == .invalid_command) {
Global.exit(1);
}
Global.exit(0);
}
};
pub const ReservedCommand = struct {
pub fn exec(_: std.mem.Allocator) !void {
@branchHint(.cold);
const command_name = for (bun.argv[1..]) |arg| {
if (arg.len > 1 and arg[0] == '-') continue;
break arg;
} else bun.argv[1];
Output.prettyError(
\\<r><red>Uh-oh<r>. <b><yellow>bun {s}<r> is a subcommand reserved for future use by Bun.
\\
\\If you were trying to run a package.json script called {s}, use <b><magenta>bun run {s}<r>.
\\
, .{ command_name, command_name, command_name });
Output.flush();
std.process.exit(1);
}
};
/// This is set `true` during `Command.which()` if argv0 is "node", in which the CLI is going
/// to pretend to be node.js by always choosing RunCommand with a relative filepath.
///
/// Examples of how this differs from bun alone:
/// - `node build` -> `bun run ./build`
/// - `node scripts/postinstall` -> `bun run ./scripts/postinstall`
pub var pretend_to_be_node = false;
/// This is set `true` during `Command.which()` if argv0 is "bunx"
pub var is_bunx_exe = false;
pub const Command = struct {
pub fn get() Context {
return global_cli_ctx;
}
pub const DebugOptions = struct {
dump_environment_variables: bool = false,
dump_limits: bool = false,
fallback_only: bool = false,
silent: bool = false,
hot_reload: HotReload = HotReload.none,
global_cache: options.GlobalCache = .auto,
offline_mode_setting: ?Bunfig.OfflineMode = null,
run_in_bun: bool = false,
loaded_bunfig: bool = false,
/// Disables using bun.shell.Interpreter for `bun run`, instead spawning cmd.exe
use_system_shell: bool = !bun.Environment.isWindows,
// technical debt
macros: MacroOptions = MacroOptions.unspecified,
editor: string = "",
package_bundle_map: bun.StringArrayHashMapUnmanaged(options.BundlePackage) = bun.StringArrayHashMapUnmanaged(options.BundlePackage){},
test_directory: []const u8 = "",
output_file: []const u8 = "",
};
pub const MacroOptions = union(enum) { unspecified: void, disable: void, map: MacroMap };
pub const HotReload = enum {
none,
hot,
watch,
};
pub const TestOptions = struct {
default_timeout_ms: u32 = 5 * std.time.ms_per_s,
update_snapshots: bool = false,
repeat_count: u32 = 0,
retry: u32 = 0,
run_todo: bool = false,
only: bool = false,
pass_with_no_tests: bool = false,
concurrent: bool = false,
randomize: bool = false,
seed: ?u32 = null,
concurrent_test_glob: ?[]const []const u8 = null,
bail: u32 = 0,
coverage: TestCommand.CodeCoverageOptions = .{},
path_ignore_patterns: []const []const u8 = &.{},
path_ignore_patterns_from_cli: bool = false,
test_filter_pattern: ?[]const u8 = null,
test_filter_regex: ?*RegularExpression = null,
max_concurrency: u32 = 20,
reporters: struct {
dots: bool = false,
only_failures: bool = false,
junit: bool = false,
} = .{},
reporter_outfile: ?[]const u8 = null,
};
pub const Debugger = union(enum) {
unspecified: void,
enable: struct {
path_or_port: []const u8 = "",
wait_for_connection: bool = false,
set_breakpoint_on_first_line: bool = false,
},
};
pub const RuntimeOptions = struct {
smol: bool = false,
debugger: Debugger = .{ .unspecified = {} },
if_present: bool = false,
redis_preconnect: bool = false,
sql_preconnect: bool = false,
eval: struct {
script: []const u8 = "",
eval_and_print: bool = false,
} = .{},
preconnect: []const []const u8 = &[_][]const u8{},
dns_result_order: []const u8 = "verbatim",
/// `--expose-gc` makes `globalThis.gc()` available. Added for Node
/// compatibility.
expose_gc: bool = false,
preserve_symlinks_main: bool = false,
console_depth: ?u16 = null,
cron_title: []const u8 = "",
cron_period: []const u8 = "",
cpu_prof: struct {
enabled: bool = false,
name: []const u8 = "",
dir: []const u8 = "",
interval: u32 = 1000,
md_format: bool = false,
json_format: bool = false,
} = .{},
heap_prof: struct {
enabled: bool = false,
text_format: bool = false,
name: []const u8 = "",
dir: []const u8 = "",
} = .{},
};
var global_cli_ctx: Context = undefined;
var context_data: ContextData = undefined;
pub const init = ContextData.create;
pub const ContextData = struct {
start_time: i128,
args: api.TransformOptions,
log: *logger.Log,
allocator: std.mem.Allocator,
positionals: []const string = &.{},
passthrough: []const string = &.{},
install: ?*api.BunInstall = null,
debug: DebugOptions = .{},
test_options: TestOptions = .{},
bundler_options: BundlerOptions = .{},
runtime_options: RuntimeOptions = .{},
filters: []const []const u8 = &.{},
workspaces: bool = false,
if_present: bool = false,
parallel: bool = false,
sequential: bool = false,
no_exit_on_error: bool = false,
preloads: []const string = &.{},
has_loaded_global_config: bool = false,
pub const BundlerOptions = struct {
outdir: []const u8 = "",
outfile: []const u8 = "",
metafile: [:0]const u8 = "",
metafile_md: [:0]const u8 = "",
root_dir: []const u8 = "",
public_path: []const u8 = "",
entry_naming: []const u8 = "[dir]/[name].[ext]",
chunk_naming: []const u8 = "./[name]-[hash].[ext]",
asset_naming: []const u8 = "./[name]-[hash].[ext]",
server_components: bool = false,
react_fast_refresh: bool = false,
code_splitting: bool = false,
transform_only: bool = false,
inline_entrypoint_import_meta_main: bool = false,
minify_syntax: bool = false,
minify_whitespace: bool = false,
minify_identifiers: bool = false,
keep_names: bool = false,
ignore_dce_annotations: bool = false,
emit_dce_annotations: bool = true,
output_format: options.Format = .esm,
bytecode: bool = false,
banner: []const u8 = "",
footer: []const u8 = "",
css_chunking: bool = false,
bake: bool = false,
bake_debug_dump_server: bool = false,
bake_debug_disable_minify: bool = false,
production: bool = false,
env_behavior: api.DotEnvBehavior = .disable,
env_prefix: []const u8 = "",
elide_lines: ?usize = null,
// Compile options
compile: bool = false,
compile_target: Cli.CompileTarget = .{},
compile_exec_argv: ?[]const u8 = null,
compile_autoload_dotenv: bool = true,
compile_autoload_bunfig: bool = true,
compile_autoload_tsconfig: bool = false,
compile_autoload_package_json: bool = false,
compile_executable_path: ?[]const u8 = null,
windows: options.WindowsOptions = .{},
allow_unresolved: ?[]const []const u8 = null,
};
pub fn create(allocator: std.mem.Allocator, log: *logger.Log, comptime command: Command.Tag) anyerror!Context {
Cli.cmd = command;
context_data = .{
.args = std.mem.zeroes(api.TransformOptions),
.log = log,
.start_time = start_time,
.allocator = allocator,
};
global_cli_ctx = &context_data;
if (comptime Command.Tag.uses_global_options.get(command)) {
global_cli_ctx.args = try Arguments.parse(allocator, global_cli_ctx, command);
}
if (comptime Environment.isWindows) {
if (global_cli_ctx.debug.hot_reload == .watch) {
if (!bun.windows.isWatcherChild()) {
// this is noreturn
bun.windows.becomeWatcherManager(allocator);
} else {
bun.auto_reload_on_crash = true;
}
}
}
return global_cli_ctx;
}
};
pub const Context = *ContextData;
// std.process.args allocates!
const ArgsIterator = struct {
buf: [][:0]const u8,
i: u32 = 0,
pub fn next(this: *ArgsIterator) ?[]const u8 {
if (this.buf.len <= this.i) {
return null;
}
const i = this.i;
this.i += 1;
return this.buf[i];
}
pub fn skip(this: *ArgsIterator) bool {
return this.next() != null;
}
};
pub fn isBunX(argv0: []const u8) bool {
if (Environment.isWindows) {
return strings.endsWithComptime(argv0, "bunx.exe") or strings.endsWithComptime(argv0, "bunx");
}
return strings.endsWithComptime(argv0, "bunx");
}
pub fn isNode(argv0: []const u8) bool {
if (Environment.isWindows) {
return strings.endsWithComptime(argv0, "node.exe") or strings.endsWithComptime(argv0, "node");
}
return strings.endsWithComptime(argv0, "node");
}
pub fn which() Tag {
var args_iter = ArgsIterator{ .buf = bun.argv };
const argv0 = args_iter.next() orelse return .HelpCommand;
if (isBunX(argv0)) {
// if we are bunx, but NOT a symlink to bun. when we run `<self> install`, we dont
// want to recursively run bunx. so this check lets us peek back into bun install.
if (args_iter.next()) |next| {
if (bun.strings.eqlComptime(next, "add") and bun.feature_flag.BUN_INTERNAL_BUNX_INSTALL.get()) {
return .AddCommand;
} else if (bun.strings.eqlComptime(next, "exec") and bun.feature_flag.BUN_INTERNAL_BUNX_INSTALL.get()) {
return .ExecCommand;
}
}
is_bunx_exe = true;
return .BunxCommand;
}
if (isNode(argv0)) {
@import("./deps/zig-clap/clap/streaming.zig").warn_on_unrecognized_flag = false;
pretend_to_be_node = true;
return .RunAsNodeCommand;
}
var next_arg = ((args_iter.next()) orelse return .AutoCommand);
while (next_arg.len > 0 and next_arg[0] == '-' and !(next_arg.len > 1 and next_arg[1] == 'e')) {
next_arg = ((args_iter.next()) orelse return .AutoCommand);
}
const first_arg_name = next_arg;
const RootCommandMatcher = strings.ExactSizeMatcher(12);
return switch (RootCommandMatcher.match(first_arg_name)) {
RootCommandMatcher.case("init") => .InitCommand,
RootCommandMatcher.case("build"), RootCommandMatcher.case("bun") => .BuildCommand,
RootCommandMatcher.case("discord") => .DiscordCommand,
RootCommandMatcher.case("upgrade") => .UpgradeCommand,
RootCommandMatcher.case("completions") => .InstallCompletionsCommand,
RootCommandMatcher.case("getcompletes") => .GetCompletionsCommand,
RootCommandMatcher.case("link") => .LinkCommand,
RootCommandMatcher.case("unlink") => .UnlinkCommand,
RootCommandMatcher.case("x") => .BunxCommand,
RootCommandMatcher.case("repl") => .ReplCommand,
RootCommandMatcher.case("i"),
RootCommandMatcher.case("install"),
=> brk: {
for (args_iter.buf) |arg| {
if (arg.len > 0 and (strings.eqlComptime(arg, "-g") or strings.eqlComptime(arg, "--global"))) {
break :brk .AddCommand;
}
}
break :brk .InstallCommand;
},
RootCommandMatcher.case("ci") => .InstallCommand,
RootCommandMatcher.case("c"), RootCommandMatcher.case("create") => .CreateCommand,
RootCommandMatcher.case("test") => .TestCommand,
RootCommandMatcher.case("pm") => .PackageManagerCommand,
RootCommandMatcher.case("add"), RootCommandMatcher.case("a") => .AddCommand,
RootCommandMatcher.case("update") => .UpdateCommand,
RootCommandMatcher.case("patch") => .PatchCommand,
RootCommandMatcher.case("patch-commit") => .PatchCommitCommand,
RootCommandMatcher.case("r"),
RootCommandMatcher.case("remove"),
RootCommandMatcher.case("rm"),
RootCommandMatcher.case("uninstall"),
=> .RemoveCommand,
RootCommandMatcher.case("run") => .RunCommand,
RootCommandMatcher.case("help") => .HelpCommand,
RootCommandMatcher.case("exec") => .ExecCommand,
RootCommandMatcher.case("outdated") => .OutdatedCommand,
RootCommandMatcher.case("publish") => .PublishCommand,
RootCommandMatcher.case("audit") => .AuditCommand,
RootCommandMatcher.case("info") => .InfoCommand,
// These are reserved for future use by Bun, so that someone
// doing `bun deploy` to run a script doesn't accidentally break
// when we add our actual command
RootCommandMatcher.case("deploy") => .ReservedCommand,
RootCommandMatcher.case("cloud") => .ReservedCommand,
RootCommandMatcher.case("config") => .ReservedCommand,
RootCommandMatcher.case("use") => .ReservedCommand,
RootCommandMatcher.case("auth") => .ReservedCommand,
RootCommandMatcher.case("login") => .ReservedCommand,
RootCommandMatcher.case("logout") => .ReservedCommand,
RootCommandMatcher.case("whoami") => .PackageManagerCommand,
RootCommandMatcher.case("prune") => .ReservedCommand,
RootCommandMatcher.case("list") => .PackageManagerCommand,
RootCommandMatcher.case("why") => .WhyCommand,
RootCommandMatcher.case("fuzzilli") => if (bun.Environment.enable_fuzzilli)
.FuzzilliCommand
else
.AutoCommand,
RootCommandMatcher.case("-e") => .AutoCommand,
else => .AutoCommand,
};
}
const default_completions_list = [_]string{
"build",
"install",
"add",
"run",
"update",
"link",
"unlink",
"remove",
"create",
"bun",
"upgrade",
"discord",
"test",
"pm",
"x",
"repl",
"info",
};
const reject_list = default_completions_list ++ [_]string{
"build",
"completions",
"help",
};
/// Keep the stack space usage of this function small. This function is
/// kept alive for the entire duration of the process
///
/// So do not add any path buffers or anything that is large in this
/// function or that stack space is used up forever.
pub fn start(allocator: std.mem.Allocator, log: *logger.Log) !void {
if (comptime Environment.allow_assert) {
if (!bun.env_var.MI_VERBOSE.get()) {
bun.mimalloc.mi_option_set_enabled(.verbose, false);
}
}
// WebView host subprocess entry. Must be before StandaloneModuleGraph,
// before JSC init, before anything that touches a JS engine. The child
// runs CFRunLoopRun() as its real main loop — no Bun runtime past this.
if (comptime Environment.isMac) {
if (bun.env_var.BUN_INTERNAL_WEBVIEW_HOST.get()) |fd_str| {
const fd = std.fmt.parseInt(u31, fd_str, 10) catch {
Output.panic("Invalid BUN_INTERNAL_WEBVIEW_HOST fd: {s}", .{fd_str});
};
const hostMain = @extern(
*const fn (i32) callconv(.c) noreturn,
.{ .name = "Bun__WebView__hostMain" },
);
hostMain(fd);
}
}
// bun build --compile entry point
if (!bun.feature_flag.BUN_BE_BUN.get()) {
if (try bun.StandaloneModuleGraph.fromExecutable(bun.default_allocator)) |graph| {
var offset_for_passthrough: usize = 0;
const ctx: *ContextData = brk: {
if (graph.compile_exec_argv.len > 0 or bun.bun_options_argc > 0) {
const original_argv_len = bun.argv.len;
var argv_list = std.array_list.Managed([:0]const u8).fromOwnedSlice(bun.default_allocator, bun.argv);
if (graph.compile_exec_argv.len > 0) {
try bun.appendOptionsEnv(graph.compile_exec_argv, [:0]const u8, &argv_list);
}
// Store the full argv including user arguments
const full_argv = argv_list.items;
const num_exec_argv_options = full_argv.len -| original_argv_len;
// Calculate offset: skip executable name + all exec argv options + BUN_OPTIONS args
const num_parsed_options = num_exec_argv_options + bun.bun_options_argc;
offset_for_passthrough = if (full_argv.len > 1) 1 + num_parsed_options else 0;
// Temporarily set bun.argv to only include executable name + exec_argv options + BUN_OPTIONS args.
// This prevents user arguments like --version/--help from being intercepted
// by Bun's argument parser (they should be passed through to user code).
bun.argv = full_argv[0..@min(1 + num_parsed_options, full_argv.len)];
// Handle actual options to parse.
const result = try Command.init(allocator, log, .AutoCommand);
// Restore full argv so passthrough calculation works correctly
bun.argv = full_argv;
break :brk result;
}
context_data = .{
.args = std.mem.zeroes(api.TransformOptions),
.log = log,
.start_time = start_time,
.allocator = bun.default_allocator,
};
global_cli_ctx = &context_data;
// If no compile_exec_argv, skip executable name if present
offset_for_passthrough = @min(1, bun.argv.len);
break :brk global_cli_ctx;
};
ctx.args.target = .bun;
if (ctx.debug.global_cache == .auto)
ctx.debug.global_cache = .disable;
ctx.passthrough = bun.argv[offset_for_passthrough..];
try bun_js.Run.bootStandalone(
ctx,
graph.entryPoint().name,
graph,
);
return;
}
}
debug("argv: [{f}]", .{bun.fmt.fmtSlice(bun.argv, ", ")});
const tag = which();
switch (tag) {
.DiscordCommand => return try DiscordCommand.exec(allocator),
.HelpCommand => return try HelpCommand.exec(allocator),
.ReservedCommand => return try ReservedCommand.exec(allocator),
.InitCommand => return try InitCommand.exec(allocator, bun.argv[@min(2, bun.argv.len)..]),
.InfoCommand => {
try @"bun info"(allocator, log);
return;
},
.BuildCommand => {
const ctx = try Command.init(allocator, log, .BuildCommand);
try BuildCommand.exec(ctx, null);
},
.InstallCompletionsCommand => {
try InstallCompletionsCommand.exec(allocator);
return;
},
.InstallCommand => {
const ctx = try Command.init(allocator, log, .InstallCommand);
try InstallCommand.exec(ctx);
return;
},
.AddCommand => {
const ctx = try Command.init(allocator, log, .AddCommand);
try AddCommand.exec(ctx);
return;
},
.UpdateCommand => {
const ctx = try Command.init(allocator, log, .UpdateCommand);
try UpdateCommand.exec(ctx);
return;
},
.PatchCommand => {
const ctx = try Command.init(allocator, log, .PatchCommand);
try PatchCommand.exec(ctx);
return;
},
.PatchCommitCommand => {
const ctx = try Command.init(allocator, log, .PatchCommitCommand);
try PatchCommitCommand.exec(ctx);
return;
},
.OutdatedCommand => {
const ctx = try Command.init(allocator, log, .OutdatedCommand);
try OutdatedCommand.exec(ctx);
return;
},
.UpdateInteractiveCommand => {
const ctx = try Command.init(allocator, log, .UpdateInteractiveCommand);
try UpdateInteractiveCommand.exec(ctx);
return;
},
.PublishCommand => {
const ctx = try Command.init(allocator, log, .PublishCommand);
try PublishCommand.exec(ctx);
return;
},
.AuditCommand => {
const ctx = try Command.init(allocator, log, .AuditCommand);
try AuditCommand.exec(ctx);
},
.WhyCommand => {
const ctx = try Command.init(allocator, log, .WhyCommand);
try WhyCommand.exec(ctx);
return;
},
.BunxCommand => {
const ctx = try Command.init(allocator, log, .BunxCommand);
try BunxCommand.exec(ctx, bun.argv[if (is_bunx_exe) 0 else 1..]);
return;
},
.ReplCommand => {
const ctx = try Command.init(allocator, log, .RunCommand);
try ReplCommand.exec(ctx);
return;
},
.RemoveCommand => {
const ctx = try Command.init(allocator, log, .RemoveCommand);
try RemoveCommand.exec(ctx);
return;
},
.LinkCommand => {
const ctx = try Command.init(allocator, log, .LinkCommand);
try LinkCommand.exec(ctx);
return;
},
.UnlinkCommand => {
const ctx = try Command.init(allocator, log, .UnlinkCommand);
try UnlinkCommand.exec(ctx);
return;
},
.PackageManagerCommand => {
const ctx = try Command.init(allocator, log, .PackageManagerCommand);
try PackageManagerCommand.exec(ctx);
return;
},
.TestCommand => {
const ctx = try Command.init(allocator, log, .TestCommand);
try TestCommand.exec(ctx);
return;
},
.GetCompletionsCommand => {
try @"bun getcompletes"(allocator, log);
return;
},
.CreateCommand => {
try @"bun create"(allocator, log);
return;
},
.RunCommand => {
const ctx = try Command.init(allocator, log, .RunCommand);
ctx.args.target = .bun;
if (ctx.parallel or ctx.sequential) {
MultiRun.run(ctx) catch |err| {
Output.prettyErrorln("<r><red>error<r>: {s}", .{@errorName(err)});
Global.exit(1);
};
}
if (ctx.filters.len > 0 or ctx.workspaces) {
FilterRun.runScriptsWithFilter(ctx) catch |err| {
Output.prettyErrorln("<r><red>error<r>: {s}", .{@errorName(err)});
Global.exit(1);
};
}
if (ctx.positionals.len > 0) {
if (try RunCommand.exec(ctx, .{ .bin_dirs_only = false, .log_errors = true, .allow_fast_run_for_extensions = false })) {
return;
}
Global.exit(1);
}
},
.RunAsNodeCommand => {
const ctx = try Command.init(allocator, log, .RunAsNodeCommand);
bun.assert(pretend_to_be_node);
try RunCommand.execAsIfNode(ctx);
},
.UpgradeCommand => {
const ctx = try Command.init(allocator, log, .UpgradeCommand);
try UpgradeCommand.exec(ctx);
return;
},
.AutoCommand => {
const ctx = Command.init(allocator, log, .AutoCommand) catch |e| {
switch (e) {
error.MissingEntryPoint => {
HelpCommand.execWithReason(allocator, .explicit);
return;
},
else => {
return e;
},
}
};
ctx.args.target = .bun;
if (ctx.parallel or ctx.sequential) {
MultiRun.run(ctx) catch |err| {
Output.prettyErrorln("<r><red>error<r>: {s}", .{@errorName(err)});
Global.exit(1);
};
}
if (ctx.filters.len > 0 or ctx.workspaces) {
FilterRun.runScriptsWithFilter(ctx) catch |err| {
Output.prettyErrorln("<r><red>error<r>: {s}", .{@errorName(err)});
Global.exit(1);
};
}
if (ctx.runtime_options.eval.script.len > 0) {
return try @"bun --eval --print"(ctx);
}
const extension: []const u8 = if (ctx.args.entry_points.len > 0)
std.fs.path.extension(ctx.args.entry_points[0])
else
@as([]const u8, "");
// KEYWORDS: open file argv argv0
if (ctx.args.entry_points.len == 1) {
if (strings.eqlComptime(extension, ".lockb")) {
return try @"bun ./bun.lockb"(ctx);
}
}
if (ctx.positionals.len > 0) {
if (ctx.filters.len > 0) {
Output.prettyln("<r><yellow>warn<r>: Filters are ignored for auto command", .{});
}
if (try RunCommand.exec(ctx, .{ .bin_dirs_only = true, .log_errors = !ctx.runtime_options.if_present, .allow_fast_run_for_extensions = true })) {
return;
}
return;
}
Output.flush();
try HelpCommand.exec(allocator);
},