parcel

zero-configuration web application bundler

TLDR

Start development server

$ parcel [index.html]

Build for production

$ parcel build [index.html]

Specify output directory

$ parcel build [index.html] --dist-dir [dist]

Watch mode without server

$ parcel watch [index.html]

Specify port and open in browser

$ parcel [index.html] --port [3000] --open

Build only a specific target defined in package.json

$ parcel build [index.html] --target [main]

Build without minification or content hashing

$ parcel build [index.html] --no-optimize --no-content-hash

SYNOPSIS

parcel [command] [options] entries...

Parcel is a zero-configuration web application bundler. It supports JavaScript, CSS, HTML, images, and other assets out of the box with automatic transforms.Parcel uses worker processes for parallel builds and has a built-in dev server with Hot Module Replacement (HMR).

PARAMETERS

build

Production build and exit.

watch

Watch for changes and rebuild without starting a dev server.

serve

Start a development server with HMR (default command).

--dist-dir dir

Output directory (default value for distDir in package.json targets).

-p, --port port

Dev server port (also settable via PORT env var).

--host host

Dev server host (default: all interfaces).

--open

Automatically open entry in the default browser.

--lazy

Defer building files until requested in the browser.

--https

Enable HTTPS for the dev server.

--target target

Build only a specific target defined in package.json. May be specified multiple times.

--public-url url

Path prefix for absolute URLs.

--no-cache

Disable reading from the filesystem cache.

--cache-dir dir

Set cache directory (default: .parcel-cache).

--no-source-maps

Disable source maps.

--no-optimize

Disable optimizations such as minification.

--no-content-hash

Disable content hashing of output file names.

--log-level level

Set the log level (none, error, warn, info, verbose).

--config config

Specify Parcel config to use (default: @parcel/config-default).

CAVEATS

Parcel 2 has a different CLI than v1. Cache is stored in .parcel-cache. Build targets are configured in package.json, not via `--target node` as in v1.

HISTORY

Parcel was created by Devon Govett in 2017 as a zero-configuration alternative to webpack.