Bun JavaScript runtime All In One

Bun JavaScript runtime All In One

Bun is a fast all-in-one JavaScript runtime

Bundle, transpile, install and run JavaScript & TypeScript projects — all in Bun.

Bun is a new JavaScript runtime with a native bundler, transpiler, task runner and npm client built-in.

$ curl https://bun.sh/install | bash

https://bun.sh/

https://github.com/oven-sh/bun

Bun V1.0

2023.09.12 update

$ curl -fsSL https://bun.sh/install | bash

const server = Bun.serve({
  port: 3000,
  fetch(request) {
    return new Response("Welcome to Bun!");
  },
});

console.log(`Listening on localhost:${server.port}`);

https://bun.sh/blog/bun-v1.0

https://github.com/oven-sh/bun

$ curl -fsSL https://bun.sh/install | bash
######################################################################## 100.0%
bun was installed successfully to ~/.bun/bin/bun 

Added "~/.bun/bin" to $PATH in "~/.zshrc" 

To get started, run:

  exec /bin/zsh
  bun --help

$ exec /bin/zsh
$ bun --help
	-h, --help                      	Display this help and exit.
	-b, --bun                       	Force a script or package to use Bun's runtime instead of Node.js (via symlinking node)
	    --cwd <STR>                 	Absolute path to resolve files & entry points from. This just changes the process' cwd.
	-c, --config <PATH>?            	Config file to load bun from (e.g. -c bunfig.toml
	    --extension-order <STR>...  	Defaults to: .tsx,.ts,.jsx,.js,.json
	    --jsx-factory <STR>         	Changes the function called when compiling JSX elements using the classic JSX runtime
	    --jsx-fragment <STR>        	Changes the function called when compiling JSX fragments
	    --jsx-import-source <STR>   	Declares the module specifier to be used for importing the jsx and jsxs factory functions. Default: "react"
	    --jsx-runtime <STR>         	"automatic" (default) or "classic"
	-r, --preload <STR>...          	Import a module before other modules are loaded
	    --main-fields <STR>...      	Main fields to lookup in package.json. Defaults to --target dependent
	    --no-summary                	Don't print a summary (when generating .bun)
	-v, --version                   	Print version and exit
	    --revision                  	Print version with revision and exit
	    --tsconfig-override <STR>   	Load tsconfig from path instead of cwd/tsconfig.json
	-d, --define <STR>...           	Substitute K:V while parsing, e.g. --define process.env.NODE_ENV:"development". Values are parsed as JSON.
	-e, --external <STR>...         	Exclude module from transpilation (can use * wildcards). ex: -e react
	-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
	-u, --origin <STR>              	Rewrite import URLs to start with --origin. Default: ""
	-p, --port <STR>                	Port to serve bun's dev server on. Default: "3000"
	    --smol                      	Use less memory, but run garbage collection more often
	    --minify                    	Minify (experimental)
	    --minify-syntax             	Minify syntax and inline data (experimental)
	    --minify-whitespace         	Minify whitespace (experimental)
	    --minify-identifiers        	Minify identifiers
	    --no-macros                 	Disable macros from being executed in the bundler, transpiler and runtime
	    --target <STR>              	The intended execution environment for the bundle. "browser", "bun" or "node"
	    --inspect <STR>?            	Activate Bun's Debugger
	    --inspect-wait <STR>?       	Activate Bun's Debugger, wait for a connection before executing
	    --inspect-brk <STR>?        	Activate Bun's Debugger, set breakpoint on first line of code and wait
	    --hot                       	Enable auto reload in bun's JavaScript runtime
	    --watch                     	Automatically restart bun's JavaScript runtime on file change
	    --no-install                	Disable auto install in bun's JavaScript runtime
	-i                              	Automatically install dependencies and use global cache in bun's runtime, equivalent to --install=fallback
	    --install <STR>             	Install dependencies automatically when no node_modules are present, default: "auto". "force" to ignore node_modules, fallback to install any missing
	    --prefer-offline            	Skip staleness checks for packages in bun's JavaScript runtime and resolve from disk
	    --prefer-latest             	Use the latest matching versions of packages in bun's JavaScript runtime, always checking npm
	    --silent                    	Don't repeat the command for bun run
	    --dump-environment-variables	Dump environment variables from .env and process as JSON and quit. Useful for debugging
	    --dump-limits               	Dump system limits. Useful for debugging

-------

Bun: a fast JavaScript runtime, package manager, bundler and test runner. (1.0.0)

  run       ./my-script.ts       Run JavaScript with Bun, a package.json script, or a bin
  test                           Run unit tests with Bun
  x         prettier             Install and execute a package bin (bunx)
  repl                           Start a REPL session with Bun

  init                           Start an empty Bun project from a blank template
  create    next-app             Create a new project from a template (bun c)

  install                        Install dependencies for a package.json (bun i)
  add       lyra                 Add a dependency to package.json (bun a)
  remove    webpack              Remove a dependency from package.json (bun rm)
  update    @remix-run/dev       Update outdated dependencies & save to package.json
  link                           Link an npm package globally
  unlink                         Globally unlink an npm package
  pm                             More commands for managing packages

  build     ./a.ts ./b.jsx       Bundle TypeScript & JavaScript into a single file

  upgrade                        Get the latest version of Bun
  bun --help                     Show all supported flags and commands

  Learn more about Bun:          https://bun.sh/docs
  Join our Discord community:    https://bun.sh/discord
➜  ~ 

Zig

Zig is a general-purpose programming language and toolchain for maintaining robust, optimal and reusable software.

https://ziglang.org/
https://ziglang.org/zh/

https://github.com/ziglang/zig

https://en.wikipedia.org/wiki/Zig_(programming_language)

refs

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