npm flags & options

-g, --global

Install or operate on packages globally instead of locally.

npm install -g typescript

npm ls -g --depth=0

--save-dev, -D

Save as a development dependency in package.json.

npm install --save-dev jest

--production

Install only production dependencies (skip devDependencies).

npm install --production

npm ci --production

--legacy-peer-deps

Bypass peer dependency conflicts during install.

npm install --legacy-peer-deps

-y, --yes

Accept all defaults without prompting during npm init.

npm init -y

--registry

Set the npm registry URL.

npm install --registry=https://registry.npmmirror.com

--dry-run

Show what would happen without actually doing it.

npm publish --dry-run

npm pack --dry-run

--force

Force operations that would otherwise fail.

npm install --force

npm cache clean --force

--workspace, -w

Run a command in the context of a specific workspace (monorepo).

npm install lodash -w packages/utils

npm run build -w packages/app

--include, --omit

Control which dependency types to install.

npm install --omit=dev

npm install --include=optional

--prefix

Set the folder where packages are installed.

npm install --prefix ./deploy express