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bun.sh/src/feature_flags.zig
2022-09-16 00:53:03 -07:00

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const env = @import("env.zig");
pub const strong_etags_for_built_files = true;
pub const keep_alive = false;
// it just doesn't work well.
pub const use_std_path_relative = false;
pub const use_std_path_join = false;
// Debug helpers
pub const print_ast = false;
pub const disable_printing_null = false;
// This was a ~5% performance improvement
pub const store_file_descriptors = !env.isWindows and !env.isBrowser;
pub const css_in_js_import_behavior = CSSInJSImportBehavior.facade;
pub const only_output_esm = true;
pub const jsx_runtime_is_cjs = true;
pub const bundle_node_modules = true;
pub const tracing = true;
pub const verbose_watcher = false;
pub const css_supports_fence = true;
pub const enable_entry_cache = true;
pub const enable_bytecode_caching = false;
pub const dev_only = true;
pub const verbose_fs = false;
pub const watch_directories = true;
pub const tailwind_css_at_keyword = true;
pub const bundle_dynamic_import = true;
// This feature flag exists so when you have defines inside package.json, you can use single quotes in nested strings.
pub const allow_json_single_quotes = true;
pub const react_specific_warnings = true;
pub const log_allocations = false;
pub const CSSInJSImportBehavior = enum {
// When you import a .css file and you reference the import in JavaScript
// Just return whatever the property key they referenced was
facade,
facade_onimportcss,
};
// having issues compiling WebKit with this enabled
pub const remote_inspector = false;
pub const auto_import_buffer = false;
pub const is_macro_enabled = !env.isWasm and !env.isWasi;
// pretend everything is always the macro environment
// useful for debugging the macro's JSX transform
pub const force_macro = false;
pub const include_filename_in_jsx = false;
pub const verbose_analytics = false;
pub const disable_compression_in_http_client = false;
pub const enable_keepalive = true;
// Not sure why...
// But this is slower!
// ~/Build/throw
// hyperfine "bun create react3 app --force --no-install" --prepare="rm -rf app"
// Benchmark #1: bun create react3 app --force --no-install
// Time (mean ± σ): 974.6 ms ± 6.8 ms [User: 170.5 ms, System: 798.3 ms]
// Range (min … max): 960.8 ms … 984.6 ms 10 runs
// mv /usr/local/opt/libgit2/lib/libgit2.dylib /usr/local/opt/libgit2/lib/libgit2.dylib.1
// ~/Build/throw
// hyperfine "bun create react3 app --force --no-install" --prepare="rm -rf app"
// Benchmark #1: bun create react3 app --force --no-install
// Time (mean ± σ): 306.7 ms ± 6.1 ms [User: 31.7 ms, System: 269.8 ms]
// Range (min … max): 299.5 ms … 318.8 ms 10 runs
pub const use_libgit2 = true;
pub const atomic_file_watcher = env.isLinux;
pub const node_streams = false;
pub const simd = true;
// This change didn't seem to make a meaningful difference in microbenchmarks
pub const latin1_is_now_ascii = false;
pub const http_buffer_pooling = true;
pub const disable_lolhtml = false;
/// There is, what I think is, a bug in getaddrinfo()
/// on macOS that specifically impacts localhost and not
/// other ipv4 hosts. This is a workaround for that.
/// "localhost" fails to connect.
pub const hardcode_localhost_to_127_0_0_1 = env.isMac;