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- .TH "NPM\-INIT" "1" "August 2021" "" ""
- .SH "NAME"
- \fBnpm-init\fR \- create a package\.json file
- .SS Synopsis
- .P
- .RS 2
- .nf
- npm init [\-\-force|\-f|\-\-yes|\-y|\-\-scope]
- npm init <@scope> (same as `npx <@scope>/create`)
- npm init [<@scope>/]<name> (same as `npx [<@scope>/]create\-<name>`)
- .fi
- .RE
- .SS Examples
- .P
- Create a new React\-based project using \fBcreate\-react\-app\fP \fIhttps://npm\.im/create\-react\-app\fR:
- .P
- .RS 2
- .nf
- $ npm init react\-app \./my\-react\-app
- .fi
- .RE
- .P
- Create a new \fBesm\fP\-compatible package using \fBcreate\-esm\fP \fIhttps://npm\.im/create\-esm\fR:
- .P
- .RS 2
- .nf
- $ mkdir my\-esm\-lib && cd my\-esm\-lib
- $ npm init esm \-\-yes
- .fi
- .RE
- .P
- Generate a plain old package\.json using legacy init:
- .P
- .RS 2
- .nf
- $ mkdir my\-npm\-pkg && cd my\-npm\-pkg
- $ git init
- $ npm init
- .fi
- .RE
- .P
- Generate it without having it ask any questions:
- .P
- .RS 2
- .nf
- $ npm init \-y
- .fi
- .RE
- .SS Description
- .P
- \fBnpm init <initializer>\fP can be used to set up a new or existing npm package\.
- .P
- \fBinitializer\fP in this case is an npm package named \fBcreate\-<initializer>\fP, which
- will be installed by \fBnpx\fP \fIhttps://npm\.im/npx\fR, and then have its main bin
- executed \-\- presumably creating or updating \fBpackage\.json\fP and running any other
- initialization\-related operations\.
- .P
- The init command is transformed to a corresponding \fBnpx\fP operation as follows:
- .RS 0
- .IP \(bu 2
- \fBnpm init foo\fP \-> \fBnpx create\-foo\fP
- .IP \(bu 2
- \fBnpm init @usr/foo\fP \-> \fBnpx @usr/create\-foo\fP
- .IP \(bu 2
- \fBnpm init @usr\fP \-> \fBnpx @usr/create\fP
- .RE
- .P
- Any additional options will be passed directly to the command, so \fBnpm init foo
- \-\-hello\fP will map to \fBnpx create\-foo \-\-hello\fP\|\.
- .P
- If the initializer is omitted (by just calling \fBnpm init\fP), init will fall back
- to legacy init behavior\. It will ask you a bunch of questions, and then write a
- package\.json for you\. It will attempt to make reasonable guesses based on
- existing fields, dependencies, and options selected\. It is strictly additive, so
- it will keep any fields and values that were already set\. You can also use
- \fB\-y\fP/\fB\-\-yes\fP to skip the questionnaire altogether\. If you pass \fB\-\-scope\fP, it
- will create a scoped package\.
- .SS See Also
- .RS 0
- .IP \(bu 2
- https://github\.com/isaacs/init\-package\-json
- .IP \(bu 2
- npm help package\.json
- .IP \(bu 2
- npm help version
- .IP \(bu 2
- npm help scope
- .RE
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