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@types/command-line-args

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@types/command-line-args

TypeScript definitions for command-line-args


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What is @types/command-line-args?

@types/command-line-args provides TypeScript type definitions for the command-line-args package, which is used to parse command-line arguments in Node.js applications.

What are @types/command-line-args's main functionalities?

Define Command Line Options

This feature allows you to define the command-line options your application will accept. In this example, 'file' is a string option and 'verbose' is a boolean option.

const commandLineArgs = require('command-line-args');
const optionDefinitions = [
  { name: 'file', type: String },
  { name: 'verbose', type: Boolean }
];
const options = commandLineArgs(optionDefinitions);
console.log(options);

Default Option Values

You can set default values for options. In this example, if 'file' or 'verbose' are not provided, they will default to 'default.txt' and 'false' respectively.

const commandLineArgs = require('command-line-args');
const optionDefinitions = [
  { name: 'file', type: String, defaultValue: 'default.txt' },
  { name: 'verbose', type: Boolean, defaultValue: false }
];
const options = commandLineArgs(optionDefinitions);
console.log(options);

Multiple Option Values

This feature allows you to accept multiple values for a single option. In this example, 'files' can accept multiple string values.

const commandLineArgs = require('command-line-args');
const optionDefinitions = [
  { name: 'files', type: String, multiple: true }
];
const options = commandLineArgs(optionDefinitions);
console.log(options);

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Package last updated on 07 Nov 2023

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