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Gathering detailed insights and metrics for argparse

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Gathering detailed insights and metrics for argparse

argparse - 2.0.1 | npmpackage.info

argparse

CLI arguments parser for node.js. JS port of python's argparse module.

2.0.1

500

NOASSERTION

JavaScript

12.96 kB

15,430,145,153 4.2

Installations

npm install argparse

Developer Guide

BETA

Typescript

No

Module System

CommonJS

Node Version

12.18.3

NPM Version

6.14.6 Score

99.6

Supply Chain

95.3

Quality

75.8

Maintenance

100

Vulnerability

99.6

License

Pull Requests

Open

1

Total

81

Closed

36

Merged

44

Issues

Open

7

Total

102

Closed

95

Releases

Unable to fetch releases

Languages

JavaScript

JavaScript (100%)

Developer

nodeca

Download Statistics

Total Downloads

15,430,145,153

Last Day

6,696,178

Last Week

110,666,564

Last Month

475,289,514

Last Year

4,781,292,961

GitHub Statistics

NOASSERTION License

500 Stars

267 Commits

74 Forks

20 Watchers

2 Branches

21 Contributors

Updated on Jun 27, 2025

Bundle Size

44.15 kB

Minified

12.96 kB

Minified + Gzipped

Bundlephobia

Maintainers

View All 21 Contributors

Package Meta Information

Latest Version

2.0.1

Package Id

argparse@2.0.1

Size

38.81 kB

NPM Version

6.14.6

Node Version

12.18.3

Published on

Aug 28, 2020

Total Downloads

Cumulative downloads

Total Downloads

15,430,145,153

Last Day

-5.7%

6,696,178

Compared to previous day

Last Week

-7.5%

110,666,564

Compared to previous week

Last Month

3.2%

475,289,514

Compared to previous month

Last Year

24.4%

4,781,292,961

Compared to previous year

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dev Dependencies

@babel/eslint-parser @babel/plugin-syntax-class-properties eslint mocha nyc

argparse

CLI arguments parser for node.js, with sub-commands support. Port of python's argparse (version 3.9.0).

Difference with original.

JS has no keyword arguments support.
- Pass options instead: new ArgumentParser({ description: 'example', add_help: true }).
JS has no python's types int, float, ...
- Use string-typed names: .add_argument('-b', { type: 'int', help: 'help' }).
%r format specifier uses require('util').inspect().

More details in doc.

Example

test.js file:

1#!/usr/bin/env node
2'use strict';
3
4const { ArgumentParser } = require('argparse');
5const { version } = require('./package.json');
6
7const parser = new ArgumentParser({
8  description: 'Argparse example'
9});
10
11parser.add_argument('-v', '--version', { action: 'version', version });
12parser.add_argument('-f', '--foo', { help: 'foo bar' });
13parser.add_argument('-b', '--bar', { help: 'bar foo' });
14parser.add_argument('--baz', { help: 'baz bar' });
15
16console.dir(parser.parse_args());

Display help:

$ ./test.js -h
usage: test.js [-h] [-v] [-f FOO] [-b BAR] [--baz BAZ]

Argparse example

optional arguments:
  -h, --help         show this help message and exit
  -v, --version      show program's version number and exit
  -f FOO, --foo FOO  foo bar
  -b BAR, --bar BAR  bar foo
  --baz BAZ          baz bar

Parse arguments:

$ ./test.js -f=3 --bar=4 --baz 5
{ foo: '3', bar: '4', baz: '5' }

API docs

Since this is a port with minimal divergence, there's no separate documentation. Use original one instead, with notes about difference.

argparse for enterprise

Available as part of the Tidelift Subscription

The maintainers of argparse and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. Learn more.

No vulnerabilities found.

10

Dangerous-Workflow

Determines if the project's GitHub Action workflows avoid dangerous patterns.

10

Binary-Artifacts

Determines if the project has generated executable (binary) artifacts in the source repository.

10

Vulnerabilities

Determines if the project has open, known unfixed vulnerabilities.

10

Security-Policy

Determines if the project has published a security policy.

9

License

Determines if the project has defined a license.

2

Code-Review

Determines if the project requires human code review before pull requests (aka merge requests) are merged.

0

Token-Permissions

Determines if the project's workflows follow the principle of least privilege.

0

Maintained

Determines if the project is "actively maintained".

0

Pinned-Dependencies

Determines if the project has declared and pinned the dependencies of its build process.

0

CII-Best-Practices

Determines if the project has an OpenSSF (formerly CII) Best Practices Badge.

0

Fuzzing

Determines if the project uses fuzzing.

0

Branch-Protection

Determines if the default and release branches are protected with GitHub's branch protection settings.

0

SAST

Determines if the project uses static code analysis.

Score

4.2

/10

Last Scanned on 2025-06-23

The Open Source Security Foundation is a cross-industry collaboration to improve the security of open source software (OSS). The Scorecard provides security health metrics for open source projects.

Learn More