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cli.zig
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const bun = @import("root").bun;
const string = bun.string;
const Output = bun.Output;
const Global = bun.Global;
const Environment = bun.Environment;
const strings = bun.strings;
const MutableString = bun.MutableString;
const stringZ = bun.stringZ;
const default_allocator = bun.default_allocator;
const FeatureFlags = bun.FeatureFlags;
const C = bun.C;
const root = @import("root");
const std = @import("std");
const lex = bun.js_lexer;
const logger = @import("root").bun.logger;
const options = @import("options.zig");
const js_parser = bun.js_parser;
const json_parser = bun.JSON;
const js_printer = bun.js_printer;
const js_ast = bun.JSAst;
const linker = @import("linker.zig");
const RegularExpression = bun.RegularExpression;
const sync = @import("./sync.zig");
const Api = @import("api/schema.zig").Api;
const resolve_path = @import("./resolver/resolve_path.zig");
const configureTransformOptionsForBun = @import("./bun.js/config.zig").configureTransformOptionsForBun;
const clap = @import("root").bun.clap;
const BunJS = @import("./bun_js.zig");
const Install = @import("./install/install.zig");
const bundler = bun.bundler;
const DotEnv = @import("./env_loader.zig");
const RunCommand_ = @import("./cli/run_command.zig").RunCommand;
const CreateCommand_ = @import("./cli/create_command.zig").CreateCommand;
const fs = @import("fs.zig");
const Router = @import("./router.zig");
const MacroMap = @import("./resolver/package_json.zig").MacroMap;
const TestCommand = @import("./cli/test_command.zig").TestCommand;
const Reporter = @import("./report.zig");
pub var start_time: i128 = undefined;
const Bunfig = @import("./bunfig.zig").Bunfig;
pub const Cli = struct {
var wait_group: sync.WaitGroup = undefined;
var log_: logger.Log = undefined;
pub fn startTransform(_: std.mem.Allocator, _: Api.TransformOptions, _: *logger.Log) anyerror!void {}
pub fn start(allocator: std.mem.Allocator, _: anytype, _: anytype, comptime MainPanicHandler: type) void {
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| {
switch (err) {
else => {
if (Output.enable_ansi_colors_stderr) {
log.printForLogLevelWithEnableAnsiColors(Output.errorWriter(), true) catch {};
} else {
log.printForLogLevelWithEnableAnsiColors(Output.errorWriter(), false) catch {};
}
Reporter.globalError(err, @errorReturnTrace());
},
}
};
}
pub var cmd: ?Command.Tag = null;
};
const LoaderMatcher = strings.ExactSizeMatcher(4);
const ColonListType = @import("./cli/colon_list_type.zig").ColonListType;
pub const LoaderColonList = ColonListType(Api.Loader, Arguments.loader_resolver);
pub const DefineColonList = ColonListType(string, Arguments.noop_resolver);
fn invalidTarget(diag: *clap.Diagnostic, _target: []const u8) noreturn {
@setCold(true);
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 Arguments = struct {
pub fn loader_resolver(in: string) !Api.Loader {
const option_loader = options.Loader.fromString(in) orelse return error.InvalidLoader;
return option_loader.toAPI();
}
pub fn noop_resolver(in: string) !string {
return in;
}
pub fn fileReadError(err: anyerror, stderr: anytype, filename: string, kind: string) noreturn {
stderr.writer().print("Error reading file \"{s}\" for {s}: {s}", .{ filename, kind, @errorName(err) }) catch {};
std.process.exit(1);
}
pub fn readFile(
allocator: std.mem.Allocator,
cwd: string,
filename: string,
) ![]u8 {
var paths = [_]string{ cwd, filename };
const outpath = try std.fs.path.resolve(allocator, &paths);
defer allocator.free(outpath);
var file = try bun.openFileZ(&try std.os.toPosixPath(outpath), std.fs.File.OpenFlags{ .mode = .read_only });
defer file.close();
const size = try file.getEndPos();
return try file.readToEndAlloc(allocator, size);
}
pub fn resolve_jsx_runtime(str: string) !Api.JsxRuntime {
if (strings.eqlComptime(str, "automatic")) {
return Api.JsxRuntime.automatic;
} else if (strings.eqlComptime(str, "fallback") or strings.eqlComptime(str, "classic")) {
return Api.JsxRuntime.classic;
} else if (strings.eqlComptime(str, "solid")) {
return Api.JsxRuntime.solid;
} else {
return error.InvalidJSXRuntime;
}
}
pub const ParamType = clap.Param(clap.Help);
const base_params_ = [_]ParamType{
clap.parseParam("--env-file <STR>... Load environment variables from the specified file(s)") catch unreachable,
clap.parseParam("--cwd <STR> Absolute path to resolve files & entry points from. This just changes the process' cwd.") catch unreachable,
clap.parseParam("-c, --config <PATH>? Specify path to Bun config file. Default <d>$cwd<r>/bunfig.toml") catch unreachable,
clap.parseParam("-h, --help Display this menu and exit") catch unreachable,
clap.parseParam("<POS>...") catch unreachable,
};
const transpiler_params_ = [_]ParamType{
clap.parseParam("--main-fields <STR>... Main fields to lookup in package.json. Defaults to --target dependent") catch unreachable,
clap.parseParam("--extension-order <STR>... Defaults to: .tsx,.ts,.jsx,.js,.json ") catch unreachable,
clap.parseParam("--tsconfig-override <STR> Specify custom tsconfig.json. Default <d>$cwd<r>/tsconfig.json") catch unreachable,
clap.parseParam("-d, --define <STR>... Substitute K:V while parsing, e.g. --define process.env.NODE_ENV:\"development\". Values are parsed as JSON.") catch unreachable,
clap.parseParam("-l, --loader <STR>... Parse files with .ext:loader, e.g. --loader .js:jsx. Valid loaders: js, jsx, ts, tsx, json, toml, text, file, wasm, napi") catch unreachable,
clap.parseParam("--no-macros Disable macros from being executed in the bundler, transpiler and runtime") catch unreachable,
clap.parseParam("--jsx-factory <STR> Changes the function called when compiling JSX elements using the classic JSX runtime") catch unreachable,
clap.parseParam("--jsx-fragment <STR> Changes the function called when compiling JSX fragments") catch unreachable,
clap.parseParam("--jsx-import-source <STR> Declares the module specifier to be used for importing the jsx and jsxs factory functions. Default: \"react\"") catch unreachable,
clap.parseParam("--jsx-runtime <STR> \"automatic\" (default) or \"classic\"") catch unreachable,
};
const runtime_params_ = [_]ParamType{
clap.parseParam("--watch Automatically restart the process on file change") catch unreachable,
clap.parseParam("--hot Enable auto reload in the Bun runtime, test runner, or bundler") catch unreachable,
clap.parseParam("--smol Use less memory, but run garbage collection more often") catch unreachable,
clap.parseParam("-r, --preload <STR>... Import a module before other modules are loaded") catch unreachable,
clap.parseParam("--inspect <STR>? Activate Bun's debugger") catch unreachable,
clap.parseParam("--inspect-wait <STR>? Activate Bun's debugger, wait for a connection before executing") catch unreachable,
clap.parseParam("--inspect-brk <STR>? Activate Bun's debugger, set breakpoint on first line of code and wait") catch unreachable,
clap.parseParam("--if-present Exit without an error if the entrypoint does not exist") catch unreachable,
clap.parseParam("--no-install Disable auto install in the Bun runtime") catch unreachable,
clap.parseParam("--install <STR> Configure auto-install behavior. One of \"auto\" (default, auto-installs when no node_modules), \"fallback\" (missing packages only), \"force\" (always).") catch unreachable,
clap.parseParam("-i Auto-install dependencies during execution. Equivalent to --install=fallback.") catch unreachable,
clap.parseParam("-e, --eval <STR> Evaluate argument as a script") catch unreachable,
clap.parseParam("--prefer-offline Skip staleness checks for packages in the Bun runtime and resolve from disk") catch unreachable,
clap.parseParam("--prefer-latest Use the latest matching versions of packages in the Bun runtime, always checking npm") catch unreachable,
clap.parseParam("-p, --port <STR> Set the default port for Bun.serve") catch unreachable,
clap.parseParam("-u, --origin <STR>") catch unreachable,
};
const auto_only_params = [_]ParamType{
// clap.parseParam("--all") catch unreachable,
clap.parseParam("-b, --bun Force a script or package to use Bun's runtime instead of Node.js (via symlinking node)") catch unreachable,
clap.parseParam("--silent Don't print the script command") catch unreachable,
clap.parseParam("-v, --version Print version and exit") catch unreachable,
clap.parseParam("--revision Print version with revision and exit") catch unreachable,
};
const auto_params = auto_only_params ++ runtime_params_ ++ transpiler_params_ ++ base_params_;
const run_only_params = [_]ParamType{
clap.parseParam("--silent Don't print the script command") catch unreachable,
clap.parseParam("-b, --bun Force a script or package to use Bun's runtime instead of Node.js (via symlinking node)") catch unreachable,
};
pub const run_params = run_only_params ++ runtime_params_ ++ transpiler_params_ ++ base_params_;
const bunx_commands = [_]ParamType{
clap.parseParam("--silent Don't print the script command") catch unreachable,
clap.parseParam("-b, --bun Force a script or package to use Bun's runtime instead of Node.js (via symlinking node)") catch unreachable,
};
const build_only_params = [_]ParamType{
clap.parseParam("--compile Generate a standalone Bun executable containing your bundled code") catch unreachable,
clap.parseParam("--watch Automatically restart the process on file change") catch unreachable,
clap.parseParam("--target <STR> The intended execution environment for the bundle. \"browser\", \"bun\" or \"node\"") catch unreachable,
clap.parseParam("--outdir <STR> Default to \"dist\" if multiple files") catch unreachable,
clap.parseParam("--outfile <STR> Write to a file") catch unreachable,
clap.parseParam("--sourcemap <STR>? Build with sourcemaps - 'inline', 'external', or 'none'") catch unreachable,
clap.parseParam("--format <STR> Specifies the module format to build to. Only \"esm\" is supported.") catch unreachable,
clap.parseParam("--root <STR> Root directory used for multiple entry points") catch unreachable,
clap.parseParam("--splitting Enable code splitting") catch unreachable,
clap.parseParam("--public-path <STR> A prefix to be appended to any import paths in bundled code") catch unreachable,
clap.parseParam("-e, --external <STR>... Exclude module from transpilation (can use * wildcards). ex: -e react") catch unreachable,
clap.parseParam("--entry-naming <STR> Customize entry point filenames. Defaults to \"[dir]/[name].[ext]\"") catch unreachable,
clap.parseParam("--chunk-naming <STR> Customize chunk filenames. Defaults to \"[name]-[hash].[ext]\"") catch unreachable,
clap.parseParam("--asset-naming <STR> Customize asset filenames. Defaults to \"[name]-[hash].[ext]\"") catch unreachable,
clap.parseParam("--server-components Enable React Server Components (experimental)") catch unreachable,
clap.parseParam("--no-bundle Transpile file only, do not bundle") catch unreachable,
clap.parseParam("--minify Enable all minification flags") catch unreachable,
clap.parseParam("--minify-syntax Minify syntax and inline data") catch unreachable,
clap.parseParam("--minify-whitespace Minify whitespace") catch unreachable,
clap.parseParam("--minify-identifiers Minify identifiers") catch unreachable,
clap.parseParam("--dump-environment-variables") catch unreachable,
};
pub const build_params = build_only_params ++ transpiler_params_ ++ base_params_;
// TODO: update test completions
const test_only_params = [_]ParamType{
clap.parseParam("--timeout <NUMBER> Set the per-test timeout in milliseconds, default is 5000.") catch unreachable,
clap.parseParam("--update-snapshots Update snapshot files") catch unreachable,
clap.parseParam("--rerun-each <NUMBER> Re-run each test file <NUMBER> times, helps catch certain bugs") catch unreachable,
clap.parseParam("--only Only run tests that are marked with \"test.only()\"") catch unreachable,
clap.parseParam("--todo Include tests that are marked with \"test.todo()\"") catch unreachable,
clap.parseParam("--coverage Generate a coverage profile") catch unreachable,
clap.parseParam("--bail <NUMBER>? Exit the test suite after <NUMBER> failures. If you do not specify a number, it defaults to 1.") catch unreachable,
clap.parseParam("-t, --test-name-pattern <STR> Run only tests with a name that matches the given regex.") catch unreachable,
};
pub const test_params = test_only_params ++ runtime_params_ ++ transpiler_params_ ++ base_params_;
fn printVersionAndExit() noreturn {
@setCold(true);
Output.writer().writeAll(Global.package_json_version ++ "\n") catch {};
Global.exit(0);
}
fn printRevisionAndExit() noreturn {
@setCold(true);
Output.writer().writeAll(Global.package_json_version_with_revision ++ "\n") catch {};
Global.exit(0);
}
pub fn loadConfigPath(allocator: std.mem.Allocator, auto_loaded: bool, config_path: [:0]const u8, ctx: *Command.Context, comptime cmd: Command.Tag) !void {
var config_file = switch (bun.sys.openA(config_path, std.os.O.RDONLY, 0)) {
.result => |fd| std.fs.File{ .handle = bun.fdcast(fd) },
.err => |err| {
if (auto_loaded) return;
Output.prettyErrorln("{}\nwhile opening config \"{s}\"", .{
err,
config_path,
});
Global.exit(1);
},
};
defer config_file.close();
const contents = config_file.readToEndAlloc(allocator, std.math.maxInt(usize)) catch |err| {
if (auto_loaded) return;
Output.prettyErrorln("<r><red>error<r>: {s} reading config \"{s}\"", .{
@errorName(err),
config_path,
});
Global.exit(1);
};
js_ast.Stmt.Data.Store.create(allocator);
js_ast.Expr.Data.Store.create(allocator);
defer {
js_ast.Stmt.Data.Store.reset();
js_ast.Expr.Data.Store.reset();
}
const original_level = ctx.log.level;
defer {
ctx.log.level = original_level;
}
ctx.log.level = logger.Log.Level.warn;
try Bunfig.parse(allocator, logger.Source.initPathString(bun.asByteSlice(config_path), contents), ctx, cmd);
}
fn getHomeConfigPath(buf: *[bun.MAX_PATH_BYTES]u8) ?[:0]const u8 {
if (bun.getenvZ("XDG_CONFIG_HOME") orelse bun.getenvZ(bun.DotEnv.home_env)) |data_dir| {
var paths = [_]string{".bunfig.toml"};
return resolve_path.joinAbsStringBufZ(data_dir, buf, &paths, .auto);
}
return null;
}
pub fn loadConfig(allocator: std.mem.Allocator, user_config_path_: ?string, ctx: *Command.Context, comptime cmd: Command.Tag) !void {
var config_buf: [bun.MAX_PATH_BYTES]u8 = undefined;
if (comptime cmd.readGlobalConfig()) {
if (!ctx.has_loaded_global_config) {
ctx.has_loaded_global_config = true;
if (getHomeConfigPath(&config_buf)) |path| {
try loadConfigPath(allocator, true, path, ctx, comptime cmd);
}
}
}
var config_path_: []const u8 = user_config_path_ orelse "";
var auto_loaded: bool = false;
if (config_path_.len == 0 and (user_config_path_ != null or
Command.Tag.always_loads_config.get(cmd) or
(cmd == .AutoCommand and
// "bun"
(ctx.positionals.len == 0 or
// "bun file.js"
ctx.positionals.len > 0 and options.defaultLoaders.has(std.fs.path.extension(ctx.positionals[0]))))))
{
config_path_ = "bunfig.toml";
auto_loaded = true;
}
if (config_path_.len == 0) {
return;
}
defer ctx.debug.loaded_bunfig = true;
var config_path: [:0]u8 = undefined;
if (config_path_[0] == '/') {
@memcpy(config_buf[0..config_path_.len], config_path_);
config_buf[config_path_.len] = 0;
config_path = config_buf[0..config_path_.len :0];
} else {
if (ctx.args.absolute_working_dir == null) {
var secondbuf: [bun.MAX_PATH_BYTES]u8 = undefined;
const cwd = bun.getcwd(&secondbuf) catch return;
ctx.args.absolute_working_dir = try allocator.dupe(u8, cwd);
}
var parts = [_]string{ ctx.args.absolute_working_dir.?, config_path_ };
config_path_ = resolve_path.joinAbsStringBuf(
ctx.args.absolute_working_dir.?,
&config_buf,
&parts,
.auto,
);
config_buf[config_path_.len] = 0;
config_path = config_buf[0..config_path_.len :0];
}
try loadConfigPath(allocator, auto_loaded, config_path, ctx, comptime cmd);
}
pub fn loadConfigWithCmdArgs(
comptime cmd: Command.Tag,
allocator: std.mem.Allocator,
args: clap.Args(clap.Help, cmd.params()),
ctx: *Command.Context,
) !void {
return try loadConfig(allocator, args.option("--config"), ctx, comptime cmd);
}
pub fn parse(allocator: std.mem.Allocator, ctx: *Command.Context, comptime cmd: Command.Tag) !Api.TransformOptions {
var diag = clap.Diagnostic{};
const params_to_parse = comptime cmd.params();
var args = clap.parse(clap.Help, params_to_parse, .{
.diagnostic = &diag,
.allocator = allocator,
.stop_after_positional_at = switch (cmd) {
.RunCommand => 2,
.AutoCommand, .RunAsNodeCommand => 1,
else => 0,
},
}) catch |err| {
// Report useful error and exit
diag.report(Output.errorWriter(), err) catch {};
cmd.printHelp(false);
Global.exit(1);
};
const print_help = args.flag("--help");
if (print_help) {
cmd.printHelp(true);
Output.flush();
Global.exit(0);
}
if (cmd == .AutoCommand) {
if (args.flag("--version")) {
printVersionAndExit();
}
if (args.flag("--revision")) {
printRevisionAndExit();
}
}
var cwd: []u8 = undefined;
if (args.option("--cwd")) |cwd_| {
cwd = brk: {
var outbuf: [bun.MAX_PATH_BYTES]u8 = undefined;
const out = std.os.realpath(cwd_, &outbuf) catch |err| {
Output.prettyErrorln("error resolving --cwd: {s}", .{@errorName(err)});
Global.exit(1);
};
break :brk try allocator.dupe(u8, out);
};
} else {
cwd = try bun.getcwdAlloc(allocator);
}
if (cmd == .TestCommand) {
if (args.option("--timeout")) |timeout_ms| {
if (timeout_ms.len > 0) {
ctx.test_options.default_timeout_ms = std.fmt.parseInt(u32, timeout_ms, 10) catch {
Output.prettyErrorln("<r><red>error<r>: Invalid timeout: \"{s}\"", .{timeout_ms});
Global.exit(1);
};
}
}
if (!ctx.test_options.coverage.enabled) {
ctx.test_options.coverage.enabled = args.flag("--coverage");
}
if (args.option("--bail")) |bail| {
if (bail.len > 0) {
ctx.test_options.bail = std.fmt.parseInt(u32, bail, 10) catch |e| {
Output.prettyErrorln("<r><red>error<r>: --bail expects a number: {s}", .{@errorName(e)});
Global.exit(1);
};
if (ctx.test_options.bail == 0) {
Output.prettyErrorln("<r><red>error<r>: --bail expects a number greater than 0", .{});
Global.exit(1);
}
} else {
ctx.test_options.bail = 1;
}
}
if (args.option("--rerun-each")) |repeat_count| {
if (repeat_count.len > 0) {
ctx.test_options.repeat_count = std.fmt.parseInt(u32, repeat_count, 10) catch |e| {
Output.prettyErrorln("<r><red>error<r>: --rerun-each expects a number: {s}", .{@errorName(e)});
Global.exit(1);
};
}
}
if (args.option("--test-name-pattern")) |namePattern| {
const regex = RegularExpression.init(bun.String.fromBytes(namePattern), RegularExpression.Flags.none) catch {
Output.prettyErrorln(
"<r><red>error<r>: --test-name-pattern expects a valid regular expression but received {}",
.{
bun.fmt.QuotedFormatter{
.text = namePattern,
},
},
);
Global.exit(1);
};
ctx.test_options.test_filter_regex = regex;
}
ctx.test_options.update_snapshots = args.flag("--update-snapshots");
ctx.test_options.run_todo = args.flag("--todo");
ctx.test_options.only = args.flag("--only");
}
ctx.args.absolute_working_dir = cwd;
ctx.positionals = args.positionals();
if (comptime Command.Tag.loads_config.get(cmd)) {
try loadConfigWithCmdArgs(cmd, allocator, args, ctx);
}
var opts: Api.TransformOptions = ctx.args;
const defines_tuple = try DefineColonList.resolve(allocator, args.options("--define"));
if (defines_tuple.keys.len > 0) {
opts.define = .{
.keys = defines_tuple.keys,
.values = defines_tuple.values,
};
}
const loader_tuple = try LoaderColonList.resolve(allocator, args.options("--loader"));
if (loader_tuple.keys.len > 0) {
opts.loaders = .{
.extensions = loader_tuple.keys,
.loaders = loader_tuple.values,
};
}
opts.tsconfig_override = if (args.option("--tsconfig-override")) |ts|
(Arguments.readFile(allocator, cwd, ts) catch |err| fileReadError(err, Output.errorStream(), ts, "tsconfig.json"))
else
null;
opts.serve = false; // TODO
opts.main_fields = args.options("--main-fields");
// we never actually supported inject.
// opts.inject = args.options("--inject");
opts.env_files = args.options("--env-file");
opts.extension_order = args.options("--extension-order");
ctx.passthrough = args.remaining();
// runtime commands
if (cmd == .AutoCommand or cmd == .RunCommand or cmd == .TestCommand or cmd == .RunAsNodeCommand) {
const preloads = args.options("--preload");
if (args.flag("--hot")) {
ctx.debug.hot_reload = .hot;
} else if (args.flag("--watch")) {
ctx.debug.hot_reload = .watch;
bun.auto_reload_on_crash = true;
}
if (args.option("--origin")) |origin| {
opts.origin = origin;
}
if (args.option("--port")) |port_str| {
opts.port = std.fmt.parseInt(u16, port_str, 10) catch return error.InvalidPort;
}
ctx.debug.offline_mode_setting = if (args.flag("--prefer-offline"))
Bunfig.OfflineMode.offline
else if (args.flag("--prefer-latest"))
Bunfig.OfflineMode.latest
else
Bunfig.OfflineMode.online;
if (args.flag("--no-install")) {
ctx.debug.global_cache = .disable;
} else if (args.flag("-i")) {
ctx.debug.global_cache = .fallback;
} else if (args.option("--install")) |enum_value| {
// -i=auto --install=force, --install=disable
if (options.GlobalCache.Map.get(enum_value)) |result| {
ctx.debug.global_cache = result;
// -i, --install
} else if (enum_value.len == 0) {
ctx.debug.global_cache = options.GlobalCache.force;
} else {
Output.prettyErrorln("Invalid value for --install: \"{s}\". Must be either \"auto\", \"fallback\", \"force\", or \"disable\"\n", .{enum_value});
Global.exit(1);
}
}
if (ctx.preloads.len > 0 and preloads.len > 0) {
var all = std.ArrayList(string).initCapacity(ctx.allocator, ctx.preloads.len + preloads.len) catch unreachable;
all.appendSliceAssumeCapacity(ctx.preloads);
all.appendSliceAssumeCapacity(preloads);
ctx.preloads = all.items;
} else if (preloads.len > 0) {
ctx.preloads = preloads;
}
ctx.runtime_options.eval_script = args.option("--eval") orelse "";
ctx.runtime_options.if_present = args.flag("--if-present");
ctx.runtime_options.smol = args.flag("--smol");
if (args.option("--inspect")) |inspect_flag| {
ctx.runtime_options.debugger = if (inspect_flag.len == 0)
Command.Debugger{ .enable = .{} }
else
Command.Debugger{ .enable = .{
.path_or_port = inspect_flag,
} };
bun.JSC.RuntimeTranspilerCache.is_disabled = true;
} else if (args.option("--inspect-wait")) |inspect_flag| {
ctx.runtime_options.debugger = if (inspect_flag.len == 0)
Command.Debugger{ .enable = .{
.wait_for_connection = true,
} }
else
Command.Debugger{ .enable = .{
.path_or_port = inspect_flag,
.wait_for_connection = true,
} };
bun.JSC.RuntimeTranspilerCache.is_disabled = true;
} else if (args.option("--inspect-brk")) |inspect_flag| {
ctx.runtime_options.debugger = if (inspect_flag.len == 0)
Command.Debugger{ .enable = .{
.wait_for_connection = true,
.set_breakpoint_on_first_line = true,
} }
else
Command.Debugger{ .enable = .{
.path_or_port = inspect_flag,
.wait_for_connection = true,
.set_breakpoint_on_first_line = true,
} };
bun.JSC.RuntimeTranspilerCache.is_disabled = true;
}
}
if (opts.port != null and opts.origin == null) {
opts.origin = try std.fmt.allocPrint(allocator, "http://localhost:{d}/", .{opts.port.?});
}
const output_dir: ?string = null;
const output_file: ?string = null;
if (cmd == .BuildCommand) {
ctx.bundler_options.transform_only = args.flag("--no-bundle");
if (args.option("--public-path")) |public_path| {
ctx.bundler_options.public_path = public_path;
}
const minify_flag = args.flag("--minify");
ctx.bundler_options.minify_syntax = minify_flag or args.flag("--minify-syntax");
ctx.bundler_options.minify_whitespace = minify_flag or args.flag("--minify-whitespace");
ctx.bundler_options.minify_identifiers = minify_flag or args.flag("--minify-identifiers");
if (args.options("--external").len > 0) {
var externals = try allocator.alloc([]u8, args.options("--external").len);
for (args.options("--external"), 0..) |external, i| {
externals[i] = @constCast(external);
}
opts.external = externals;
}
const TargetMatcher = strings.ExactSizeMatcher(8);
if (args.option("--target")) |_target| {
opts.target = opts.target orelse switch (TargetMatcher.match(_target)) {
TargetMatcher.case("browser") => Api.Target.browser,
TargetMatcher.case("node") => Api.Target.node,
TargetMatcher.case("macro") => if (cmd == .BuildCommand) Api.Target.bun_macro else Api.Target.bun,
TargetMatcher.case("bun") => Api.Target.bun,
else => invalidTarget(&diag, _target),
};
ctx.debug.run_in_bun = opts.target.? == .bun;
}
if (args.flag("--watch")) {
ctx.debug.hot_reload = .watch;
bun.auto_reload_on_crash = true;
}
if (args.flag("--compile")) {
ctx.bundler_options.compile = true;
}
if (args.option("--outdir")) |outdir| {
if (outdir.len > 0) {
ctx.bundler_options.outdir = outdir;
}
} else if (args.option("--outfile")) |outfile| {
if (outfile.len > 0) {
ctx.bundler_options.outfile = outfile;
}
}
if (args.option("--root")) |root_dir| {
if (root_dir.len > 0) {
ctx.bundler_options.root_dir = root_dir;
}
}
if (args.option("--format")) |format_str| {
const format = options.Format.fromString(format_str) orelse {
Output.prettyErrorln("<r><red>error<r>: Invalid format - must be esm, cjs, or iife", .{});
Global.crash();
};
switch (format) {
.esm => {},
else => {
Output.prettyErrorln("<r><red>error<r>: Formats besides 'esm' are not implemented", .{});
Global.crash();
},
}
}
if (args.flag("--splitting")) {
ctx.bundler_options.code_splitting = true;
}
if (args.option("--entry-naming")) |entry_naming| {
ctx.bundler_options.entry_naming = try strings.concat(allocator, &.{ "./", entry_naming });
}
if (args.option("--chunk-naming")) |chunk_naming| {
ctx.bundler_options.chunk_naming = try strings.concat(allocator, &.{ "./", chunk_naming });
}
if (args.option("--asset-naming")) |asset_naming| {
ctx.bundler_options.asset_naming = try strings.concat(allocator, &.{ "./", asset_naming });
}
if (comptime FeatureFlags.react_server_components) {
if (args.flag("--server-components")) {
ctx.bundler_options.react_server_components = true;
}
}
if (args.option("--sourcemap")) |setting| {
if (setting.len == 0 or strings.eqlComptime(setting, "inline")) {
opts.source_map = Api.SourceMapMode.inline_into_file;
} else if (strings.eqlComptime(setting, "none")) {
opts.source_map = Api.SourceMapMode._none;
} else if (strings.eqlComptime(setting, "external")) {
opts.source_map = Api.SourceMapMode.external;
} else {
Output.prettyErrorln("<r><red>error<r>: Invalid sourcemap setting: \"{s}\"", .{setting});
Global.crash();
}
}
}
if (opts.entry_points.len == 0) {
var entry_points = ctx.positionals;
switch (comptime cmd) {
.BuildCommand => {
if (entry_points.len > 0 and (strings.eqlComptime(
entry_points[0],
"build",
) or strings.eqlComptime(entry_points[0], "bun"))) {
var out_entry = entry_points[1..];
for (entry_points, 0..) |entry, i| {
if (entry.len > 0) {
out_entry = out_entry[i..];
break;
}
}
entry_points = out_entry;
}
},
.RunCommand => {
if (entry_points.len > 0 and (strings.eqlComptime(
entry_points[0],
"run",
) or strings.eqlComptime(
entry_points[0],
"r",
))) {
entry_points = entry_points[1..];
}
},
else => {},
}
opts.entry_points = entry_points;
}
const jsx_factory = args.option("--jsx-factory");
const jsx_fragment = args.option("--jsx-fragment");
const jsx_import_source = args.option("--jsx-import-source");
const jsx_runtime = args.option("--jsx-runtime");
const react_fast_refresh = true;
if (cmd == .AutoCommand or cmd == .RunCommand) {
ctx.debug.silent = args.flag("--silent");
ctx.debug.run_in_bun = args.flag("--bun") or ctx.debug.run_in_bun;
if (opts.define) |define| {
if (define.keys.len > 0)
bun.JSC.RuntimeTranspilerCache.is_disabled = true;
}
}
opts.resolve = Api.ResolveMode.lazy;
if (jsx_factory != null or
jsx_fragment != null or
jsx_import_source != null or
jsx_runtime != null or
!react_fast_refresh)
{
var default_factory = "".*;
var default_fragment = "".*;
var default_import_source = "".*;
if (opts.jsx == null) {
opts.jsx = Api.Jsx{
.factory = (jsx_factory orelse &default_factory),
.fragment = (jsx_fragment orelse &default_fragment),
.import_source = (jsx_import_source orelse &default_import_source),
.runtime = if (jsx_runtime) |runtime| try resolve_jsx_runtime(runtime) else Api.JsxRuntime.automatic,
.development = false,
.react_fast_refresh = react_fast_refresh,
};
} else {
opts.jsx = Api.Jsx{
.factory = (jsx_factory orelse opts.jsx.?.factory),
.fragment = (jsx_fragment orelse opts.jsx.?.fragment),
.import_source = (jsx_import_source orelse opts.jsx.?.import_source),
.runtime = if (jsx_runtime) |runtime| try resolve_jsx_runtime(runtime) else opts.jsx.?.runtime,
.development = false,
.react_fast_refresh = react_fast_refresh,
};
}
}
if (cmd == .BuildCommand) {
if (opts.entry_points.len == 0 and opts.framework == null) {
Output.prettyErrorln("<r><b>bun build <r><d>v" ++ Global.package_json_version_with_sha ++ "<r>", .{});
Output.prettyError("<r><red>error: Missing entrypoints. What would you like to bundle?<r>\n\n", .{});
Output.flush();
Output.pretty("Usage:\n <d>$<r> <b><green>bun build<r> \\<entrypoint\\> [...\\<entrypoints\\>] <cyan>[...flags]<r> \n", .{});
Output.pretty("\nTo see full documentation:\n <d>$<r> <b><green>bun build<r> --help\n", .{});
Output.flush();
Global.exit(1);
}
}
if (opts.log_level) |log_level| {
logger.Log.default_log_level = switch (log_level) {
.debug => logger.Log.Level.debug,
.err => logger.Log.Level.err,
.warn => logger.Log.Level.warn,
else => logger.Log.Level.err,
};
ctx.log.level = logger.Log.default_log_level;
}
if (args.flag("--no-macros")) {
ctx.debug.macros = .{ .disable = {} };
}
opts.output_dir = output_dir;
if (output_file != null)
ctx.debug.output_file = output_file.?;
return opts;
}
};
const AutoCommand = struct {
pub fn exec(allocator: std.mem.Allocator) !void {
try HelpCommand.execWithReason(allocator, .invalid_command);
}
};
const InitCommand = @import("./cli/init_command.zig").InitCommand;
pub const HelpCommand = struct {
pub fn exec(allocator: std.mem.Allocator) !void {
@setCold(true);
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><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>link<r> <d>[\<package\>]<r> Register or link a local npm package
\\ <b><blue>unlink<r> Unregister a local npm package
\\ <b><blue>pm <d>\<subcommand\><r> Additional package management utilities
\\
\\ <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 blank 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.
\\ <d>\<command\><r> <b><cyan>--help<r> Print help text for command.
\\
;
const cli_helptext_footer =
\\
\\Learn more about Bun: <magenta>https://bun.sh/docs<r>
\\Join our Discord community: <blue>https://bun.sh/discord<r>
\\
;
pub fn printWithReason(comptime reason: Reason, show_all_flags: bool) void {
var rand_state = std.rand.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_create_filler[package_create_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],
};
switch (reason) {
.explicit => {
Output.pretty(
"<r><b><magenta>Bun<r> is a fast JavaScript runtime, package manager, bundler, and test runner. <d>(" ++
Global.package_json_version_with_sha ++
")<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 {
@setCold(true);
printWithReason(reason, false);
if (reason == .invalid_command) {
std.process.exit(1);
}
}
};
pub const ReservedCommand = struct {
pub fn exec(_: std.mem.Allocator) !void {
@setCold(true);
const command_name = 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>.