mirror of
https://github.com/oven-sh/bun
synced 2026-02-10 02:48:50 +00:00
2d7df726fd
* work on bundler * a * YAAAAYYAYAYAYYAYA * get some more bundler tests working * Update src/bundler/bundle_v2.zig * rev * ok * i converted the cmakelists into LF * personal review * we didnt win * okey they pass * revert :( * a --------- Co-authored-by: Jarred Sumner <jarred@jarredsumner.com>
566 lines
25 KiB
Zig
566 lines
25 KiB
Zig
const std = @import("std");
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const Command = @import("../cli.zig").Command;
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const bun = @import("root").bun;
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const string = bun.string;
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const Output = bun.Output;
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const Global = bun.Global;
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const Environment = bun.Environment;
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const strings = bun.strings;
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const MutableString = bun.MutableString;
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const stringZ = bun.stringZ;
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const default_allocator = bun.default_allocator;
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const C = bun.C;
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const lex = bun.js_lexer;
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const logger = @import("root").bun.logger;
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const options = @import("../options.zig");
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const js_parser = bun.js_parser;
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const json_parser = bun.JSON;
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const js_printer = bun.js_printer;
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const js_ast = bun.JSAst;
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const linker = @import("../linker.zig");
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const sync = @import("../sync.zig");
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const Api = @import("../api/schema.zig").Api;
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const resolve_path = @import("../resolver/resolve_path.zig");
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const configureTransformOptionsForBun = @import("../bun.js/config.zig").configureTransformOptionsForBun;
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const bundler = bun.bundler;
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const DotEnv = @import("../env_loader.zig");
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const fs = @import("../fs.zig");
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const Router = @import("../router.zig");
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const BundleV2 = @import("../bundler/bundle_v2.zig").BundleV2;
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var estimated_input_lines_of_code_: usize = undefined;
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pub const BuildCommand = struct {
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pub fn exec(
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ctx_: Command.Context,
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) !void {
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Global.configureAllocator(.{ .long_running = true });
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var ctx = ctx_;
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const allocator = ctx.allocator;
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var log = ctx.log;
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estimated_input_lines_of_code_ = 0;
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if (ctx.bundler_options.compile) {
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// set this early so that externals are set up correctly and define is right
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ctx.args.target = .bun;
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}
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var this_bundler = try bundler.Bundler.init(allocator, log, ctx.args, null);
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this_bundler.options.source_map = options.SourceMapOption.fromApi(ctx.args.source_map);
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this_bundler.resolver.opts.source_map = options.SourceMapOption.fromApi(ctx.args.source_map);
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this_bundler.options.compile = ctx.bundler_options.compile;
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this_bundler.resolver.opts.compile = ctx.bundler_options.compile;
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if (this_bundler.options.source_map == .external and ctx.bundler_options.outdir.len == 0 and !ctx.bundler_options.compile) {
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Output.prettyErrorln("<r><red>error<r><d>:<r> cannot use an external source map without --outdir", .{});
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Global.exit(1);
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return;
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}
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var outfile = ctx.bundler_options.outfile;
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this_bundler.options.public_path = ctx_.bundler_options.public_path;
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this_bundler.resolver.opts.public_path = ctx_.bundler_options.public_path;
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this_bundler.options.entry_naming = ctx.bundler_options.entry_naming;
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this_bundler.options.chunk_naming = ctx.bundler_options.chunk_naming;
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this_bundler.options.asset_naming = ctx.bundler_options.asset_naming;
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this_bundler.resolver.opts.entry_naming = ctx.bundler_options.entry_naming;
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this_bundler.resolver.opts.chunk_naming = ctx.bundler_options.chunk_naming;
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this_bundler.resolver.opts.asset_naming = ctx.bundler_options.asset_naming;
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this_bundler.options.react_server_components = ctx.bundler_options.react_server_components;
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this_bundler.resolver.opts.react_server_components = ctx.bundler_options.react_server_components;
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this_bundler.options.code_splitting = ctx.bundler_options.code_splitting;
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this_bundler.resolver.opts.code_splitting = ctx.bundler_options.code_splitting;
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this_bundler.options.minify_syntax = ctx.bundler_options.minify_syntax;
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this_bundler.resolver.opts.minify_syntax = ctx.bundler_options.minify_syntax;
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this_bundler.options.minify_whitespace = ctx.bundler_options.minify_whitespace;
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this_bundler.resolver.opts.minify_whitespace = ctx.bundler_options.minify_whitespace;
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this_bundler.options.minify_identifiers = ctx.bundler_options.minify_identifiers;
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this_bundler.resolver.opts.minify_identifiers = ctx.bundler_options.minify_identifiers;
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if (ctx.bundler_options.compile) {
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if (ctx.bundler_options.code_splitting) {
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Output.prettyErrorln("<r><red>error<r><d>:<r> cannot use --compile with --splitting", .{});
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Global.exit(1);
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return;
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}
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if (this_bundler.options.entry_points.len > 1) {
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Output.prettyErrorln("<r><red>error<r><d>:<r> multiple entry points are not supported with --compile", .{});
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Global.exit(1);
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return;
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}
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if (ctx.bundler_options.outdir.len > 0) {
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Output.prettyErrorln("<r><red>error<r><d>:<r> cannot use --compile with --outdir", .{});
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Global.exit(1);
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return;
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}
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this_bundler.options.public_path = bun.StandaloneModuleGraph.base_public_path ++ "root/";
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this_bundler.resolver.opts.public_path = bun.StandaloneModuleGraph.base_public_path ++ "root/";
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if (outfile.len == 0) {
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outfile = std.fs.path.basename(this_bundler.options.entry_points[0]);
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const ext = std.fs.path.extension(outfile);
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if (ext.len > 0) {
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outfile = outfile[0 .. outfile.len - ext.len];
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}
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if (strings.eqlComptime(outfile, "index")) {
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outfile = std.fs.path.basename(std.fs.path.dirname(this_bundler.options.entry_points[0]) orelse "index");
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}
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if (strings.eqlComptime(outfile, "bun")) {
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outfile = std.fs.path.basename(std.fs.path.dirname(this_bundler.options.entry_points[0]) orelse "bun");
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}
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}
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// If argv[0] is "bun" or "bunx", we don't check if the binary is standalone
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if (strings.eqlComptime(outfile, "bun") or strings.eqlComptime(outfile, "bunx")) {
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Output.prettyErrorln("<r><red>error<r><d>:<r> cannot use --compile with an output file named 'bun' because bun won't realize it's a standalone executable. Please choose a different name for --outfile", .{});
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Global.exit(1);
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return;
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}
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if (ctx.bundler_options.transform_only) {
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Output.prettyErrorln("<r><red>error<r><d>:<r> --compile does not support --no-bundle", .{});
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Global.exit(1);
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return;
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}
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}
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if (ctx.bundler_options.outdir.len == 0) {
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if (this_bundler.options.entry_points.len > 1) {
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Output.prettyErrorln("<r><red>error<r><d>:<r> Must use <b>--outdir<r> when specifying more than one entry point.", .{});
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Global.exit(1);
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return;
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}
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if (this_bundler.options.code_splitting) {
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Output.prettyErrorln("<r><red>error<r><d>:<r> Must use <b>--outdir<r> when code splitting is enabled", .{});
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Global.exit(1);
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return;
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}
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}
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this_bundler.options.output_dir = ctx.bundler_options.outdir;
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this_bundler.resolver.opts.output_dir = ctx.bundler_options.outdir;
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var src_root_dir_buf: [bun.MAX_PATH_BYTES]u8 = undefined;
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const src_root_dir: string = brk1: {
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const path = brk2: {
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if (ctx.bundler_options.root_dir.len > 0) {
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break :brk2 ctx.bundler_options.root_dir;
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}
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if (this_bundler.options.entry_points.len == 1) {
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break :brk2 std.fs.path.dirname(this_bundler.options.entry_points[0]) orelse ".";
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}
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break :brk2 resolve_path.getIfExistsLongestCommonPath(this_bundler.options.entry_points) orelse ".";
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};
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var dir = bun.openDirForPath(&(try std.os.toPosixPath(path))) catch |err| {
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Output.prettyErrorln("<r><red>{s}<r> opening root directory {}", .{ @errorName(err), bun.fmt.quote(path) });
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Global.exit(1);
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};
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defer dir.close();
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break :brk1 bun.getFdPath(bun.toFD(dir.fd), &src_root_dir_buf) catch |err| {
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Output.prettyErrorln("<r><red>{s}<r> resolving root directory {}", .{ @errorName(err), bun.fmt.quote(path) });
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Global.exit(1);
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};
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};
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this_bundler.options.root_dir = src_root_dir;
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this_bundler.resolver.opts.root_dir = src_root_dir;
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this_bundler.options.react_server_components = ctx.bundler_options.react_server_components;
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this_bundler.resolver.opts.react_server_components = ctx.bundler_options.react_server_components;
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this_bundler.options.code_splitting = ctx.bundler_options.code_splitting;
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this_bundler.resolver.opts.code_splitting = ctx.bundler_options.code_splitting;
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this_bundler.options.transform_only = ctx.bundler_options.transform_only;
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if (this_bundler.options.transform_only) {
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this_bundler.options.resolve_mode = .disable;
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}
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this_bundler.configureLinker();
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// This step is optional
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// If it fails for any reason, ignore it and continue bundling
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// This is partially a workaround for the 'error.MissingRoutesDir' error
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this_bundler.configureRouter(true) catch {
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this_bundler.options.routes.routes_enabled = false;
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this_bundler.options.framework = null;
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if (this_bundler.router) |*router| {
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router.config.routes_enabled = false;
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router.config.single_page_app_routing = false;
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router.config.static_dir_enabled = false;
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this_bundler.router = null;
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}
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};
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this_bundler.options.jsx.development = !this_bundler.options.production;
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this_bundler.resolver.opts.jsx.development = this_bundler.options.jsx.development;
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switch (ctx.debug.macros) {
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.disable => {
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this_bundler.options.no_macros = true;
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},
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.map => |macros| {
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this_bundler.options.macro_remap = macros;
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},
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.unspecified => {},
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}
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// var env_loader = this_bundler.env;
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if (ctx.debug.dump_environment_variables) {
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this_bundler.dumpEnvironmentVariables();
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return;
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}
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var reachable_file_count: usize = 0;
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var minify_duration: u64 = 0;
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var input_code_length: u64 = 0;
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const output_files: []options.OutputFile = brk: {
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if (ctx.bundler_options.transform_only) {
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this_bundler.options.import_path_format = .relative;
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this_bundler.options.allow_runtime = false;
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this_bundler.resolver.opts.allow_runtime = false;
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// TODO: refactor this .transform function
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const result = try this_bundler.transform(
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ctx.allocator,
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ctx.log,
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ctx.args,
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);
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if (log.hasErrors()) {
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try log.printForLogLevel(Output.errorWriter());
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if (result.errors.len > 0 or result.output_files.len == 0) {
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Output.flush();
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exitOrWatch(1, ctx.debug.hot_reload == .watch);
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unreachable;
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}
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}
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break :brk result.output_files;
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}
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break :brk (BundleV2.generateFromCLI(
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&this_bundler,
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allocator,
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bun.JSC.AnyEventLoop.init(ctx.allocator),
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std.crypto.random.int(u64),
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ctx.debug.hot_reload == .watch,
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&reachable_file_count,
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&minify_duration,
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&input_code_length,
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) catch |err| {
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if (log.msgs.items.len > 0) {
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try log.printForLogLevel(Output.errorWriter());
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} else {
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try Output.errorWriter().print("error: {s}", .{@errorName(err)});
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}
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Output.flush();
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exitOrWatch(1, ctx.debug.hot_reload == .watch);
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unreachable;
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}).items;
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};
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const bundled_end = std.time.nanoTimestamp();
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{
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var write_summary = false;
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{
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dump: {
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defer Output.flush();
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var writer = Output.writer();
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var output_dir = this_bundler.options.output_dir;
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if (outfile.len > 0 and output_files.len == 1 and output_files[0].value == .buffer) {
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output_dir = std.fs.path.dirname(outfile) orelse ".";
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output_files[0].dest_path = std.fs.path.basename(outfile);
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}
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if (!ctx.bundler_options.compile) {
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if (outfile.len == 0 and output_files.len == 1 and ctx.bundler_options.outdir.len == 0) {
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// if --no-bundle is passed, it won't have an output dir
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if (output_files[0].value == .buffer)
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try writer.writeAll(output_files[0].value.buffer.bytes);
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break :dump;
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}
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}
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var root_path = output_dir;
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if (root_path.len == 0 and ctx.args.entry_points.len == 1)
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root_path = std.fs.path.dirname(ctx.args.entry_points[0]) orelse ".";
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const root_dir = if (root_path.len == 0 or strings.eqlComptime(root_path, "."))
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std.fs.cwd()
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else
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std.fs.cwd().makeOpenPath(root_path, .{}) catch |err| {
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Output.prettyErrorln("<r><red>{s}<r> while attemping to open output directory {}", .{ @errorName(err), bun.fmt.quote(root_path) });
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exitOrWatch(1, ctx.debug.hot_reload == .watch);
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unreachable;
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};
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const all_paths = try ctx.allocator.alloc([]const u8, output_files.len);
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var max_path_len: usize = 0;
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for (all_paths, output_files) |*dest, src| {
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dest.* = src.dest_path;
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}
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const from_path = resolve_path.longestCommonPath(all_paths);
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for (output_files) |f| {
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max_path_len = @max(
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@max(from_path.len, f.dest_path.len) + 2 - from_path.len,
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max_path_len,
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);
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}
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if (ctx.bundler_options.compile) {
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printSummary(
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bundled_end,
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minify_duration,
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this_bundler.options.minify_identifiers or this_bundler.options.minify_whitespace or this_bundler.options.minify_syntax,
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input_code_length,
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reachable_file_count,
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output_files,
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);
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Output.flush();
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try bun.StandaloneModuleGraph.toExecutable(
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allocator,
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output_files,
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root_dir,
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this_bundler.options.public_path,
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outfile,
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);
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const compiled_elapsed = @divTrunc(@as(i64, @truncate(std.time.nanoTimestamp() - bundled_end)), @as(i64, std.time.ns_per_ms));
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const compiled_elapsed_digit_count: isize = switch (compiled_elapsed) {
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0...9 => 3,
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10...99 => 2,
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100...999 => 1,
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1000...9999 => 0,
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else => 0,
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};
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const padding_buf = [_]u8{' '} ** 16;
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Output.pretty("{s}", .{padding_buf[0..@as(usize, @intCast(compiled_elapsed_digit_count))]});
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Output.printElapsedStdoutTrim(@as(f64, @floatFromInt(compiled_elapsed)));
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Output.prettyln(" <green>compile<r> <b><blue>{s}{s}<r>", .{
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outfile,
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if (Environment.isWindows and !strings.hasSuffixComptime(outfile, ".exe")) ".exe" else "",
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});
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break :dump;
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}
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// On posix, file handles automatically close on process exit by the OS
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// Closing files shows up in profiling.
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// So don't do that unless we actually need to.
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// const do_we_need_to_close = !FeatureFlags.store_file_descriptors or (@intCast(usize, root_dir.fd) + open_file_limit) < output_files.len;
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var filepath_buf: [bun.MAX_PATH_BYTES]u8 = undefined;
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filepath_buf[0] = '.';
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filepath_buf[1] = '/';
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|
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for (output_files) |f| {
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var rel_path: []const u8 = undefined;
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switch (f.value) {
|
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// Nothing to do in this case
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.saved => {
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rel_path = f.dest_path;
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if (f.dest_path.len > from_path.len) {
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rel_path = resolve_path.relative(from_path, f.dest_path);
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}
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},
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|
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// easy mode: write the buffer
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.buffer => |value| {
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rel_path = f.dest_path;
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if (f.dest_path.len > from_path.len) {
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rel_path = resolve_path.relative(from_path, f.dest_path);
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if (std.fs.path.dirname(rel_path)) |parent| {
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if (parent.len > root_path.len) {
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try root_dir.makePath(parent);
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}
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}
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}
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const JSC = bun.JSC;
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var path_buf: [bun.MAX_PATH_BYTES]u8 = undefined;
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switch (JSC.Node.NodeFS.writeFileWithPathBuffer(
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&path_buf,
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JSC.Node.Arguments.WriteFile{
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.data = JSC.Node.StringOrBuffer{
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.buffer = JSC.Buffer{
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.buffer = .{
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.ptr = @constCast(value.bytes.ptr),
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// TODO: handle > 4 GB files
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.len = @as(u32, @truncate(value.bytes.len)),
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.byte_len = @as(u32, @truncate(value.bytes.len)),
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},
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},
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},
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.encoding = .buffer,
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.mode = if (f.is_executable) 0o755 else 0o644,
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.dirfd = bun.toFD(root_dir.fd),
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.file = .{
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.path = JSC.Node.PathLike{
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.string = JSC.PathString.init(rel_path),
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},
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},
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},
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)) {
|
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.err => |err| {
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Output.prettyErrorln("<r><red>error<r><d>:<r> failed to write file <b>{}<r>\n{}", .{ bun.fmt.quote(rel_path), err });
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},
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|
.result => {},
|
|
}
|
|
},
|
|
.move => |value| {
|
|
const primary = f.dest_path[from_path.len..];
|
|
bun.copy(u8, filepath_buf[2..], primary);
|
|
rel_path = filepath_buf[0 .. primary.len + 2];
|
|
rel_path = value.pathname;
|
|
|
|
try f.moveTo(root_path, @constCast(rel_path), bun.toFD(root_dir.fd));
|
|
},
|
|
.copy => |value| {
|
|
rel_path = value.pathname;
|
|
|
|
try f.copyTo(root_path, @constCast(rel_path), bun.toFD(root_dir.fd));
|
|
},
|
|
.noop => {},
|
|
.pending => unreachable,
|
|
}
|
|
|
|
// Print summary
|
|
_ = try writer.write("\n");
|
|
const padding_count = 2 + (@max(rel_path.len, max_path_len) - rel_path.len);
|
|
try writer.writeByteNTimes(' ', 2);
|
|
try writer.writeAll(rel_path);
|
|
try writer.writeByteNTimes(' ', padding_count);
|
|
const size = @as(f64, @floatFromInt(f.size)) / 1000.0;
|
|
try std.fmt.formatFloatDecimal(size, .{ .precision = 2 }, writer);
|
|
try writer.writeAll(" KB\n");
|
|
}
|
|
|
|
write_summary = true;
|
|
}
|
|
if (write_summary and log.errors == 0) {
|
|
Output.prettyln("\n", .{});
|
|
Output.printElapsedStdoutTrim(
|
|
@as(f64, @floatFromInt((@divTrunc(@as(i64, @truncate(std.time.nanoTimestamp() - bun.CLI.start_time)), @as(i64, std.time.ns_per_ms))))),
|
|
);
|
|
if (this_bundler.options.transform_only) {
|
|
Output.prettyln(" <green>transpile<r>", .{});
|
|
} else {
|
|
Output.prettyln(" <green>bundle<r> {d} modules", .{
|
|
reachable_file_count,
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
try log.printForLogLevel(Output.errorWriter());
|
|
exitOrWatch(0, ctx.debug.hot_reload == .watch);
|
|
}
|
|
}
|
|
};
|
|
|
|
fn exitOrWatch(code: u8, watch: bool) void {
|
|
if (watch) {
|
|
// the watcher thread will exit the process
|
|
std.time.sleep(std.math.maxInt(u64) - 1);
|
|
}
|
|
Global.exit(code);
|
|
}
|
|
|
|
fn printSummary(bundled_end: i128, minify_duration: u64, minified: bool, input_code_length: usize, reachable_file_count: usize, output_files: []const options.OutputFile) void {
|
|
const padding_buf = [_]u8{' '} ** 16;
|
|
|
|
const bundle_until_now = @divTrunc(@as(i64, @truncate(bundled_end - bun.CLI.start_time)), @as(i64, std.time.ns_per_ms));
|
|
|
|
const bundle_elapsed = if (minified)
|
|
bundle_until_now - @as(i64, @intCast(@as(u63, @truncate(minify_duration))))
|
|
else
|
|
bundle_until_now;
|
|
|
|
const minified_digit_count: usize = switch (minify_duration) {
|
|
0...9 => 3,
|
|
10...99 => 2,
|
|
100...999 => 1,
|
|
1000...9999 => 0,
|
|
else => 0,
|
|
};
|
|
if (minified) {
|
|
Output.pretty("{s}", .{padding_buf[0..@as(usize, @intCast(minified_digit_count))]});
|
|
Output.printElapsedStdoutTrim(@as(f64, @floatFromInt(minify_duration)));
|
|
const output_size = brk: {
|
|
var total_size: u64 = 0;
|
|
for (output_files) |f| {
|
|
if (f.loader == .js) {
|
|
total_size += f.size_without_sourcemap;
|
|
}
|
|
}
|
|
|
|
break :brk total_size;
|
|
};
|
|
// this isn't an exact size
|
|
// we may inject sourcemaps or comments or import paths
|
|
const delta: i64 = @as(i64, @truncate(@as(i65, @intCast(input_code_length)) - @as(i65, @intCast(output_size))));
|
|
if (delta > 1024) {
|
|
Output.prettyln(
|
|
" <green>minify<r> -{} <d>(estimate)<r>",
|
|
.{
|
|
bun.fmt.size(@as(usize, @intCast(delta))),
|
|
},
|
|
);
|
|
} else if (-delta > 1024) {
|
|
Output.prettyln(
|
|
" <b>minify<r> +{} <d>(estimate)<r>",
|
|
.{
|
|
bun.fmt.size(@as(usize, @intCast(-delta))),
|
|
},
|
|
);
|
|
} else {
|
|
Output.prettyln(" <b>minify<r>", .{});
|
|
}
|
|
}
|
|
|
|
const bundle_elapsed_digit_count: usize = switch (bundle_elapsed) {
|
|
0...9 => 3,
|
|
10...99 => 2,
|
|
100...999 => 1,
|
|
1000...9999 => 0,
|
|
else => 0,
|
|
};
|
|
|
|
Output.pretty("{s}", .{padding_buf[0..@as(usize, @intCast(bundle_elapsed_digit_count))]});
|
|
Output.printElapsedStdoutTrim(@as(f64, @floatFromInt(bundle_elapsed)));
|
|
Output.prettyln(
|
|
" <green>bundle<r> {d} modules",
|
|
.{
|
|
reachable_file_count,
|
|
},
|
|
);
|
|
}
|