@stdlib/repl-help

Return help text associated with a provided alias.

Usage no npm install needed!

<script type="module">
  import stdlibReplHelp from 'https://cdn.skypack.dev/@stdlib/repl-help';
</script>

README

Help

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Return help text associated with a provided alias.

Installation

npm install @stdlib/repl-help

Usage

var help = require( '@stdlib/repl-help' );

help( alias )

Returns help text for a provided alias.

var txt = help( 'base.sin' );
// returns <string>

If provided an unrecognized alias, the function returns null.

var txt = help( 'unrecognized_alias_beep_boop_bop_bip' );
// returns null

Examples

var discreteUniform = require( '@stdlib/random-base-discrete-uniform' );
var aliases = require( '@stdlib/namespace-aliases' );
var help = require( '@stdlib/repl-help' );

var list;
var len;
var idx;
var i;

list = aliases();
len = list.length;

for ( i = 0; i < 100; i++ ) {
    idx = discreteUniform( 0, len-1 );
    console.log( help( list[ idx ] ) );
}

CLI

Installation

To use the module as a general utility, install the module globally

npm install -g @stdlib/repl-help

Usage

Usage: stdlib-alias-help [options] <alias>

Options:

  -h,    --help                Print this message.
  -V,    --version             Print the package version.

Examples

$ stdlib-alias-help 'base.sin'

License

The data files (databases) are licensed under an Open Data Commons Public Domain Dedication & License 1.0 and their contents are licensed under Creative Commons Zero v1.0 Universal. The software is licensed under Apache License, Version 2.0.

Notice

This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.

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Copyright

Copyright © 2016-2022. The Stdlib Authors.