deno

(★ 108,275)

A modern runtime for JavaScript and TypeScript.

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- config.toml
- local-build.toml
- devcontainer.json
- Dockerfile
- - bug_report.md
  - config.yml
  - feature_request.md
- - action.js
  - action.yml
- - cargo_publish.generated.yml
  - cargo_publish.ts
  - ci.generated.yml
  - ci.ts
  - create_prerelease_tag.generated.yml
  - create_prerelease_tag.ts
  - ecosystem_compat_test.generated.yml
  - ecosystem_compat_test.ts
  - node_compat_test.generated.yml
  - node_compat_test.ts
  - npm_publish.generated.yml
  - npm_publish.ts
  - post_publish.generated.yml
  - post_publish.ts
  - pr.generated.yml
  - pr.ts
  - promote_to_release.generated.yml
  - promote_to_release.ts
  - start_release.generated.yml
  - start_release.ts
  - version_bump.generated.yml
  - version_bump.ts
- CODE_OF_CONDUCT.md
- CONTRIBUTING.md
- copilot-instructions.md
- PULL_REQUEST_TEMPLATE.md
- SECURITY.md
- - flags.rs
  - flags_net.rs
  - mod.rs
- - flags.rs
- - cache_db.rs
  - caches.rs
  - check.rs
  - code_cache.rs
  - fast_check.rs
  - incremental.rs
  - mod.rs
  - module_info.rs
  - node.rs
- - startup_bench.rs
- - 40_bench.js
  - 40_jupyter.js
  - 40_lint.js
  - 40_lint_selector.js
  - 40_lint_types.d.ts
  - 40_test.js
  - 40_test_common.js
  - 40_test_snapshot.js
  - jupyter_kernel.js
- - args.rs
  - build.rs
  - Cargo.toml
  - clippy.toml
  - lib.rs
  - loader.rs
  - README.md
  - shared.rs
  - sys.rs
  - version.rs
  - version.txt
  - worker.rs
- - analysis.rs
  - cache.rs
  - capabilities.rs
  - client.rs
  - code_lens.rs
  - compiler_options.rs
  - completions.rs
  - config.rs
  - diagnostics.rs
  - documents.rs
  - jsr.rs
  - language_server.rs
  - lint.rs
  - logging.rs
  - lsp_custom.rs
  - mod.rs
  - npm.rs
  - parent_process_checker.rs
  - path_to_regex.rs
  - performance.rs
  - README.md
  - refactor.rs
  - registries.rs
  - resolver.rs
  - search.rs
  - semantic_tokens.rs
  - test_code_actions.rs
  - text.rs
  - trace.rs
  - ts_server.rs
  - tsc.rs
  - urls.rs
- - bench.rs
  - deploy.rs
  - jupyter.rs
  - lint.rs
  - mod.rs
  - testing.rs
- - binary.rs
  - build.rs
  - Cargo.toml
  - code_cache.rs
  - desktop.rs
  - file_system.rs
  - hmr.rs
  - integration_tests_runner.rs
  - lib.rs
  - main.rs
  - node.rs
  - run.rs
- - build.rs
  - Cargo.toml
  - lib.rs
- - config-file.v1.json
  - kv-metadata-exchange-response.v1.json
  - lint-rules.v1.json
  - lint-tags.v1.json
  - module-graph.json
  - permission-audit.v1.json
  - permission-broker-request.v1.json
  - permission-broker-response.v1.json
  - registry-completions.v1.json
  - registry-completions.v2.json
- - build.rs
  - Cargo.toml
  - lib.rs
  - README.md
  - shared.rs
- - binary.rs
  - mod.rs
  - native_addons.rs
  - virtual_fs.rs
- - bump_version.rs
  - check.rs
  - clean.rs
  - compile.rs
  - deploy.rs
  - desktop.rs
  - desktop_devtools.rs
  - doc.rs
  - fmt.rs
  - fmt_editorconfig.rs
  - framework.rs
  - info.rs
  - mod.rs
  - serve.rs
  - task.rs
  - task_cache.rs
  - transpile.rs
  - unfurl_utils.rs
  - upgrade.rs
  - x.rs
- - 00_typescript.js
  - 97_ts_host.js
  - 98_lsp.js
  - 99_main_compiler.js
  - _analyze_types_node.ts
  - compiler.d.ts
  - diagnostics.rs
  - js.rs
  - mod.rs
  - native.rs
  - README.md
  - tsconfig_gen.rs
- - archive.rs
  - console.rs
  - display.rs
  - draw_thread.rs
  - env.rs
  - extract.rs
  - file_watcher.rs
  - fs.rs
  - git.rs
  - mod.rs
  - path.rs
  - pnpm_workspace.rs
  - retry.rs
  - temp.rs
  - text_encoding.rs
  - unix.rs
  - v8.rs
  - windows.rs
- build.rs
- Cargo.toml
- cdp.rs
- clippy.toml
- deno.ico
- entitlements.plist
- factory.rs
- file_fetcher.rs
- graph_container.rs
- graph_util.rs
- http_util.rs
- integration_tests_runner.rs
- jsr.rs
- laufey_sums.lock
- lib.rs
- main.rs
- module_loader.rs
- node.rs
- node_compat_shim.rs
- npm.rs
- README.md
- registry.rs
- resolver.rs
- task_runner.rs
- type_checker.rs
- worker.rs
- architecture.md
- ci.md
- codebase-map.md
- desktop-architecture.md
- package-management.md
- README.md
- testing.md
- - Cargo.toml
  - clippy.toml
  - lib.rs
  - README.md
- - bundle.ts
  - Cargo.toml
  - clippy.toml
- - 01_cache.js
  - Cargo.toml
  - clippy.toml
  - lib.rs
  - lsc_shard.rs
  - lscache.rs
  - README.md
  - sqlite.rs
- - 01_canvas.js
  - 02_surface.js
  - bitmaprenderer.rs
  - byow.rs
  - canvas.rs
  - Cargo.toml
  - clippy.toml
  - lib.rs
  - README.md
- - Cargo.toml
  - clippy.toml
  - lib.rs
  - README.md
- - 01_cron.ts
  - Cargo.toml
  - clippy.toml
  - cron.rs
  - handler_impl.rs
  - interface.rs
  - lib.rs
  - local.rs
  - README.md
  - socket.rs
- - 00_crypto.js
  - algorithm.rs
  - Cargo.toml
  - clippy.toml
  - crypto.rs
  - crypto_key.rs
  - decrypt.rs
  - digest.rs
  - ed25519.rs
  - encrypt.rs
  - export_key.rs
  - generate_key.rs
  - import_key.rs
  - key.rs
  - key_store.rs
  - lib.rs
  - make_key.rs
  - mldsa.rs
  - mlkem.rs
  - node_interop.rs
  - README.md
  - shared.rs
  - slhdsa.rs
  - subtle_crypto.rs
  - subtle_decrypt.rs
  - subtle_derive_bits.rs
  - subtle_derive_key.rs
  - subtle_encapsulate.rs
  - subtle_encapsulate_key.rs
  - subtle_encrypt.rs
  - subtle_export_key.rs
  - subtle_generate_key.rs
  - subtle_get_public_key.rs
  - subtle_import_key.rs
  - subtle_key.rs
  - subtle_sign.rs
  - subtle_verify.rs
  - subtle_wrap_key.rs
  - x25519.rs
  - x448.rs
- - 20_headers.js
  - 21_formdata.js
  - 22_body.js
  - 22_http_client.js
  - 23_request.js
  - 23_response.js
  - 26_fetch.js
  - 27_eventsource.js
  - Cargo.toml
  - clippy.toml
  - dns.rs
  - fs_fetch_handler.rs
  - internal.d.ts
  - lib.rs
  - proxy.rs
  - README.md
  - tests.rs
- - 00_ffi.js
  - call.rs
  - callback.rs
  - Cargo.toml
  - clippy.toml
  - dlfcn.rs
  - ir.rs
  - lib.rs
  - README.md
  - repr.rs
  - static.rs
  - symbol.rs
  - turbocall.rs
- - 30_fs.js
  - Cargo.toml
  - clippy.toml
  - interface.rs
  - lib.rs
  - ops.rs
  - README.md
  - std_fs.rs
- - 00_serve.ts
  - 01_http.js
  - 02_websocket.ts
  - Cargo.toml
  - clippy.toml
  - compressible.rs
  - fly_accept_encoding.rs
  - http_next.rs
  - lib.rs
  - network_buffered_stream.rs
  - reader_stream.rs
  - README.md
  - request_body.rs
  - request_properties.rs
  - response_body.rs
  - service.rs
  - v8_util.rs
- - 01_image.js
  - bitmap.rs
  - Cargo.toml
  - clippy.toml
  - image_ops.rs
  - lib.rs
  - README.md
- - 12_io.js
  - bi_pipe.rs
  - Cargo.toml
  - clippy.toml
  - fd_table.rs
  - fs.rs
  - lib.rs
  - pipe.rs
  - README.md
  - winpipe.rs
- - 01_db.ts
  - Cargo.toml
  - clippy.toml
  - config.rs
  - dynamic.rs
  - interface.rs
  - lib.rs
  - README.md
  - remote.rs
  - sqlite.rs
- - build.rs
  - Cargo.toml
  - clippy.toml
  - function.rs
  - generated_symbol_exports_list_linux.def
  - generated_symbol_exports_list_macos.def
  - generated_symbol_exports_list_windows.def
  - js_native_api.rs
  - lib.rs
  - node_api.rs
  - pe.rs
  - README.md
  - util.rs
  - uv.rs
  - value.rs
- - 01_net.js
  - 02_tls.js
  - 03_quic.js
  - Cargo.toml
  - clippy.toml
  - happy_eyeballs.rs
  - io.rs
  - lib.rs
  - ops.rs
  - ops_tls.rs
  - ops_unix.rs
  - quic.rs
  - raw.rs
  - README.md
  - resolve_addr.rs
  - tcp.rs
  - tunnel.rs
  - win_pipe.rs
- - build.rs
  - Cargo.toml
  - clippy.toml
  - lib.rs
  - README.md
  - update_node_stream.ts
- - Cargo.toml
  - cipher.rs
  - clippy.toml
  - dh.rs
  - digest.rs
  - keys.rs
  - lib.rs
  - md5_sha1.rs
  - pkcs3.rs
  - primes.rs
  - sign.rs
  - x509.rs
- - backup.rs
  - Cargo.toml
  - clippy.toml
  - database.rs
  - lib.rs
  - lru_cache.rs
  - session.rs
  - sql_tag_store.rs
  - statement.rs
  - validators.rs
- - 30_os.js
  - 40_signals.js
  - Cargo.toml
  - clippy.toml
  - lib.rs
  - README.md
  - sys_info.rs
- - 40_process.js
  - Cargo.toml
  - clippy.toml
  - ipc.rs
  - lib.rs
  - README.md
- - Cargo.toml
  - clippy.toml
  - lib.rs
  - README.md
- - Cargo.toml
  - clippy.toml
  - dict.rs
  - lib.rs
  - README.md
- - Cargo.toml
  - clippy.toml
  - console_exporter.rs
  - grpc_exporter.rs
  - lib.rs
  - README.md
  - telemetry.ts
  - util.ts
- - Cargo.toml
  - clippy.toml
  - keylog.rs
  - lib.rs
  - README.md
  - tls_key.rs
- - Cargo.toml
  - clippy.toml
  - lib.rs
  - README.md
- - 00_infra.js
  - 00_url.js
  - 01_broadcast_channel.js
  - 01_console.js
  - 01_dom_exception.js
  - 01_mimesniff.js
  - 01_urlpattern.js
  - 02_event.js
  - 02_structured_clone.js
  - 02_timers.js
  - 03_abort_signal.js
  - 04_global_interfaces.js
  - 05_base64.js
  - 06_streams.js
  - 06_streams_types.d.ts
  - 08_text_encoding.js
  - 09_file.js
  - 10_filereader.js
  - 12_location.js
  - 13_message_port.js
  - 14_compression.js
  - 15_performance.js
  - 16_image_data.js
  - 17_geometry.js
  - 18_css_stylesheet.js
  - blob.rs
  - broadcast_channel.rs
  - Cargo.toml
  - clippy.toml
  - compression.rs
  - css_stylesheet.rs
  - css_value.rs
  - f64.rs
  - geometry.rs
  - image_data.rs
  - internal.d.ts
  - lib.rs
  - locks.js
  - locks.rs
  - message_port.rs
  - README.md
  - stream_resource.rs
  - timers.rs
  - url.rs
  - urlpattern.rs
  - webtransport.js
- - 00_init.js
  - 01_webgpu.js
  - adapter.rs
  - bind_group.rs
  - bind_group_layout.rs
  - buffer.rs
  - canvas.rs
  - Cargo.toml
  - clippy.toml
  - command_buffer.rs
  - command_encoder.rs
  - compute_pass.rs
  - compute_pipeline.rs
  - device.rs
  - error.rs
  - lib.rs
  - LICENSE.md
  - pipeline_layout.rs
  - query_set.rs
  - queue.rs
  - README.md
  - render_bundle.rs
  - render_pass.rs
  - render_pipeline.rs
  - sampler.rs
  - shader.rs
  - texture.rs
  - webidl.rs
- - 00_webidl.js
  - Cargo.toml
  - clippy.toml
  - internal.d.ts
  - lib.rs
  - README.md
- - 01_websocket.js
  - 02_websocketstream.js
  - Cargo.toml
  - clippy.toml
  - lib.rs
  - README.md
  - stream.rs
- - 01_webstorage.js
  - Cargo.toml
  - clippy.toml
  - lib.rs
  - README.md
- - cache.rs
  - Cargo.toml
  - clippy.toml
  - common.rs
  - deno_dir.rs
  - lib.rs
  - local.rs
  - memory.rs
  - npm.rs
- - Cargo.toml
  - clippy.toml
- - Cargo.toml
  - clippy.toml
  - import_map.rs
  - lib.rs
  - README.md
  - util.rs
- - 00_infra.js
  - 00_primordials.js
  - 01_core.js
  - 02_timers.js
  - async_cancel.rs
  - async_cell.rs
  - Cargo.toml
  - clippy.toml
  - convert.rs
  - core.d.ts
  - cppgc.rs
  - error.rs
  - event_loop.rs
  - extension_set.rs
  - extensions.rs
  - external.rs
  - fast_string.rs
  - flags.rs
  - gotham_state.rs
  - inspector.rs
  - lib.rs
  - mod.js
  - module_specifier.rs
  - ops.rs
  - ops_builtin.rs
  - ops_builtin_types.rs
  - ops_builtin_v8.rs
  - ops_metrics.rs
  - reactor.rs
  - reactor_tokio.rs
  - README.md
  - rebuild_async_stubs.js
  - source_map.rs
  - tasks.rs
  - uv_compat.rs
  - web_timeout.rs
  - webidl.rs
- - Cargo.toml
  - checkin.d.ts
  - lib.rs
  - ops.d.ts
  - README.md
  - tsconfig.json
- - Cargo.toml
  - clippy.toml
  - ffi.rs
  - lib.rs
  - README.md
  - spki.rs
  - x448.rs
- - build.rs
  - Cargo.toml
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- - Cargo.toml
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- - Cargo.toml
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  - error.rs
  - lib.rs
  - README.md
  - v1.rs
  - v2.rs
- - Cargo.toml
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  - conn.rs
  - lib.rs
  - parse.rs
  - protocol.rs
  - read_buf.rs
  - write.rs
- - Cargo.toml
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  - lib.rs
- - Cargo.toml
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  - error.rs
  - graphs.rs
  - lib.rs
  - printer.rs
  - README.md
  - transforms.rs
- - Cargo.toml
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  - README.md
- - Cargo.toml
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- - analyze.rs
  - builtin_modules.rs
  - cache.rs
  - Cargo.toml
  - clippy.toml
  - errors.rs
  - lib.rs
  - npm.rs
  - package_json.rs
  - path.rs
  - README.md
  - resolution.rs
- - Cargo.toml
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  - lib.rs
  - main.rs
  - resolve.js
- - .gitignore
  - build.rs
  - Cargo.toml
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  - fast_registry_json.rs
  - lib.rs
  - README.md
  - registry.rs
- - Cargo.toml
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  - fs_util.rs
  - lib.rs
  - README.md
  - registry_info.rs
  - remote.rs
  - rt.rs
  - tarball.rs
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- - bin_entries.rs
  - Cargo.toml
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  - extra_info.rs
  - factory.rs
  - flag.rs
  - fs.rs
  - global.rs
  - graph.rs
  - hoisted.rs
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  - lifecycle_scripts.rs
  - local.rs
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  - process_state.rs
  - README.md
  - resolution.rs
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- - Cargo.toml
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- - Cargo.toml
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- - Cargo.toml
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  - lib.rs
- - bun_lockfile_import.rs
  - Cargo.toml
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  - collections.rs
  - deno_json.rs
  - display.rs
  - emit.rs
  - factory.rs
  - file_fetcher.rs
  - graph.rs
  - import_map.rs
  - lib.rs
  - lockfile.rs
  - npm_lockfile_import.rs
  - npmrc.rs
  - pnpm_lockfile_import.rs
  - README.md
  - rt.rs
  - workspace.rs
  - yarn_lockfile_import.rs
- - Cargo.toml
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  - de.rs
  - error.rs
  - keys.rs
  - lib.rs
  - payload.rs
  - README.md
  - ser.rs
- - cpuprof.rs
  - flamegraph.js
  - flamegraph.rs
  - mod.rs
- - build.rs
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  - data.rs
  - gen.js
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  - structs.rs
- - 01_errors.js
  - 01_version.ts
  - 06_util.js
  - 10_permissions.js
  - 11_workers.js
  - 40_fs_events.js
  - 40_tty.js
  - 41_prompt.js
  - 90_deno_ns.js
  - 97_navigator_user_agent_data.js
  - 98_global_scope_shared.js
  - 98_global_scope_window.js
  - 98_global_scope_worker.js
  - 99_main.js
  - README.md
- - bootstrap.rs
  - desktop.rs
  - fs_events.rs
  - http.rs
  - mod.rs
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  - runtime.rs
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- - broker.rs
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  - lib.rs
  - prompter.rs
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  - runtime_descriptor_parser.rs
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- - Cargo.toml
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- Cargo.toml
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- code_cache.rs
- coverage.rs
- fmt_errors.rs
- js.rs
- lib.rs
- permissions.rs
- README.md
- shared.rs
- snapshot.rs
- snapshot_info.rs
- tokio_util.rs
- transpile.rs
- web_worker.rs
- worker.rs
- worker_bootstrap.rs
- - cache_api.js
  - Cargo.toml
  - command.js
  - console.js
  - deno_common.js
  - encode_into.js
  - getrandom.js
  - lsp.rs
  - lsp_bench_standalone.rs
  - main.rs
  - op_now.js
  - README.md
  - secure_curves.js
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  - streams.js
  - tcp.js
  - tty.js
  - url_parse.js
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  - write_file.js
- - Cargo.toml
  - js_runtime.rs
  - lib.rs
  - profiling.rs
  - README.md
- - deno.json
- - Cargo.toml
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- - bench_tests.rs
  - bump_version_tests.rs
  - cache_tests.rs
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  - eval_tests.rs
  - ffi_tests.rs
  - flags_tests.rs
  - fmt_tests.rs
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  - install_tests.rs
  - jsr_tests.rs
  - jupyter_client.rs
  - jupyter_tests.rs
  - lsp_tests.rs
  - mod.rs
  - napi_tests.rs
  - npm_tests.rs
  - pm_tests.rs
  - publish_tests.rs
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  - run_tests.rs
  - serve_tests.rs
  - shared_library_tests.rs
  - sqlite_extension_tests.rs
  - task_tests.rs
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  - upgrade_tests.rs
  - watcher_tests.rs
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  - numbers_test.js
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  - reference_test.js
  - strings_test.js
  - symbol_test.js
  - tsfn_finalizer_test.js
  - typedarray_test.js
  - uv_test.js
  - worker_termination_test.js
  - worker_termination_worker.js
  - wrap_leak.js
  - wrap_leak_test.js
- - .gitignore
  - add_day_summary_to_month_summary.ts
  - Cargo.toml
  - config.jsonc
  - deno.json
  - mod.rs
  - README.md
  - report.rs
  - schema.json
  - slack.ts
- README.md
.dprint.json
.editorconfig
.gitattributes
.gitignore
.gitmodules
.rustfmt.toml
Cargo.lock
Cargo.toml
CLAUDE.md
flake.lock
flake.nix
import_map.json
LICENSE.md
README.md
Releases.md
rust-toolchain.toml

# Installation Guide

1. Get the code

git clone https://github.com/denoland/deno

Downloads the entire project code from GitHub to your computer.

cd deno

Moves into the project folder you just downloaded.

2. Official Install Script

Easy Recommended

Prerequisites

Homebrew A package manager for macOS/Linux.
Chocolatey A package manager for Windows.

curl -fsSL https://deno.land/install.sh | sh

Downloads and runs the official install script in one line — this handles the full setup automatically.

irm https://deno.land/install.ps1 | iex

Downloads and runs the official install script via PowerShell — this handles the full setup automatically.

brew install deno

Installs the pre-built package via Homebrew — no source build required.

choco install deno

Installs directly via Chocolatey (Windows).

✅ After installing, open a new terminal and run the program's version command (e.g. --version) to confirm it worked.

Pulled directly from this repo's README.

3. Rust

Medium

Prerequisites

Git Needed to download the project code from GitHub.
Rust (rustup) Installing via rustup also installs cargo.

cargo build --release

Compiles the Rust project.

cargo run

Builds and then immediately runs the program.

✅ If cargo build finishes without errors, it worked. The executable is created under target/.

deno

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# Installation Guide

2. Official Install Script

3. Rust

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deno

File Explorer

# Installation Guide

2. Official Install Script

3. Rust

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