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const bun = @import("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 C = bun.C;
const std = @import("std");
const lex = bun.js_lexer;
const logger = @import("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 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 Command = @import("cli.zig").Command;
const bundler = bun.bundler;
const NodeModuleBundle = @import("node_module_bundle.zig").NodeModuleBundle;
const DotEnv = @import("env_loader.zig");
const which = @import("which.zig").which;
const JSC = @import("bun").JSC;
const AsyncHTTP = @import("bun").HTTP.AsyncHTTP;
const Arena = @import("./mimalloc_arena.zig").Arena;
const OpaqueWrap = JSC.OpaqueWrap;
const VirtualMachine = JSC.VirtualMachine;
var run: Run = undefined;
pub const Run = struct {
file: std.fs.File,
ctx: Command.Context,
vm: *VirtualMachine,
entry_path: string,
arena: Arena = undefined,
any_unhandled: bool = false,
pub fn boot(ctx_: Command.Context, file: std.fs.File, entry_path: string) !void {
var ctx = ctx_;
JSC.markBinding(@src());
bun.JSC.initialize();
js_ast.Expr.Data.Store.create(default_allocator);
js_ast.Stmt.Data.Store.create(default_allocator);
var arena = try Arena.init();
if (!ctx.debug.loaded_bunfig) {
try bun.CLI.Arguments.loadConfigPath(ctx.allocator, true, "bunfig.toml", &ctx, .RunCommand);
}
run = .{
.vm = try VirtualMachine.init(arena.allocator(), ctx.args, null, ctx.log, null),
.file = file,
.arena = arena,
.ctx = ctx,
.entry_path = entry_path,
};
var vm = run.vm;
var b = &vm.bundler;
vm.preload = ctx.preloads;
vm.argv = ctx.passthrough;
vm.arena = &run.arena;
vm.allocator = arena.allocator();
b.options.install = ctx.install;
b.resolver.opts.install = ctx.install;
b.resolver.opts.global_cache = ctx.debug.global_cache;
b.resolver.opts.prefer_offline_install = (ctx.debug.offline_mode_setting orelse .online) == .offline;
b.resolver.opts.prefer_latest_install = (ctx.debug.offline_mode_setting orelse .online) == .latest;
b.options.global_cache = b.resolver.opts.global_cache;
b.options.prefer_offline_install = b.resolver.opts.prefer_offline_install;
b.options.prefer_latest_install = b.resolver.opts.prefer_latest_install;
b.resolver.env_loader = b.env;
if (ctx.debug.macros) |macros| {
b.options.macro_remap = macros;
}
b.configureRouter(false) catch {
if (Output.enable_ansi_colors_stderr) {
vm.log.printForLogLevelWithEnableAnsiColors(Output.errorWriter(), true) catch {};
} else {
vm.log.printForLogLevelWithEnableAnsiColors(Output.errorWriter(), false) catch {};
}
Output.prettyErrorln("\n", .{});
Global.exit(1);
};
b.configureDefines() catch {
if (Output.enable_ansi_colors_stderr) {
vm.log.printForLogLevelWithEnableAnsiColors(Output.errorWriter(), true) catch {};
} else {
vm.log.printForLogLevelWithEnableAnsiColors(Output.errorWriter(), false) catch {};
}
Output.prettyErrorln("\n", .{});
Global.exit(1);
};
AsyncHTTP.loadEnv(vm.allocator, vm.log, b.env);
vm.loadExtraEnv();
vm.is_main_thread = true;
JSC.VirtualMachine.is_main_thread_vm = true;
var callback = OpaqueWrap(Run, Run.start);
vm.global.vm().holdAPILock(&run, callback);
}
fn onUnhandledRejectionBeforeClose(this: *JSC.VirtualMachine, _: *JSC.JSGlobalObject, value: JSC.JSValue) void {
this.runErrorHandler(value, null);
run.any_unhandled = true;
}
pub fn start(this: *Run) void {
var vm = this.vm;
vm.hot_reload = this.ctx.debug.hot_reload;
if (this.ctx.debug.hot_reload != .none) {
JSC.HotReloader.enableHotModuleReloading(vm);
}
if (vm.loadEntryPoint(this.entry_path)) |promise| {
if (promise.status(vm.global.vm()) == .Rejected) {
vm.runErrorHandler(promise.result(vm.global.vm()), null);
if (vm.hot_reload != .none) {
vm.eventLoop().tick();
vm.eventLoop().tickPossiblyForever();
} else {
Global.exit(1);
}
}
_ = promise.result(vm.global.vm());
if (vm.log.msgs.items.len > 0) {
if (Output.enable_ansi_colors) {
vm.log.printForLogLevelWithEnableAnsiColors(Output.errorWriter(), true) catch {};
} else {
vm.log.printForLogLevelWithEnableAnsiColors(Output.errorWriter(), false) catch {};
}
Output.prettyErrorln("\n", .{});
Output.flush();
}
} else |err| {
if (vm.log.msgs.items.len > 0) {
if (Output.enable_ansi_colors) {
vm.log.printForLogLevelWithEnableAnsiColors(Output.errorWriter(), true) catch {};
} else {
vm.log.printForLogLevelWithEnableAnsiColors(Output.errorWriter(), false) catch {};
}
Output.flush();
} else {
Output.prettyErrorln("Error occurred loading entry point: {s}", .{@errorName(err)});
}
if (vm.hot_reload != .none) {
vm.eventLoop().tick();
vm.eventLoop().tickPossiblyForever();
} else {
Global.exit(1);
}
}
// don't run the GC if we don't actually need to
if (vm.eventLoop().tasks.count > 0 or vm.active_tasks > 0 or
vm.uws_event_loop.?.active > 0 or
vm.eventLoop().tickConcurrentWithCount() > 0)
{
vm.global.vm().releaseWeakRefs();
_ = vm.arena.gc(false);
_ = vm.global.vm().runGC(false);
vm.tick();
}
{
if (this.vm.isWatcherEnabled()) {
var prev_promise = this.vm.pending_internal_promise;
if (prev_promise.status(vm.global.vm()) == .Rejected) {
vm.onUnhandledError(this.vm.global, this.vm.pending_internal_promise.result(vm.global.vm()));
}
while (true) {
while (vm.eventLoop().tasks.count > 0 or vm.active_tasks > 0 or vm.uws_event_loop.?.active > 0) {
vm.tick();
// Report exceptions in hot-reloaded modules
if (this.vm.pending_internal_promise.status(vm.global.vm()) == .Rejected and prev_promise != this.vm.pending_internal_promise) {
prev_promise = this.vm.pending_internal_promise;
vm.onUnhandledError(this.vm.global, this.vm.pending_internal_promise.result(vm.global.vm()));
continue;
}
vm.eventLoop().autoTickActive();
}
if (this.vm.pending_internal_promise.status(vm.global.vm()) == .Rejected and prev_promise != this.vm.pending_internal_promise) {
prev_promise = this.vm.pending_internal_promise;
vm.onUnhandledError(this.vm.global, this.vm.pending_internal_promise.result(vm.global.vm()));
}
vm.eventLoop().tickPossiblyForever();
}
if (this.vm.pending_internal_promise.status(vm.global.vm()) == .Rejected and prev_promise != this.vm.pending_internal_promise) {
prev_promise = this.vm.pending_internal_promise;
vm.onUnhandledError(this.vm.global, this.vm.pending_internal_promise.result(vm.global.vm()));
}
} else {
while (vm.eventLoop().tasks.count > 0 or vm.active_tasks > 0 or vm.uws_event_loop.?.active > 0) {
vm.tick();
vm.eventLoop().autoTickActive();
}
}
if (vm.log.msgs.items.len > 0) {
if (Output.enable_ansi_colors) {
vm.log.printForLogLevelWithEnableAnsiColors(Output.errorWriter(), true) catch {};
} else {
vm.log.printForLogLevelWithEnableAnsiColors(Output.errorWriter(), false) catch {};
}
Output.prettyErrorln("\n", .{});
Output.flush();
}
}
vm.onUnhandledRejection = &onUnhandledRejectionBeforeClose;
vm.global.handleRejectedPromises();
vm.onExit();
if (!JSC.is_bindgen) JSC.napi.fixDeadCodeElimination();
Global.exit(@boolToInt(this.any_unhandled));
}
};
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