You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
1.0 KiB
JavaScript
36 lines
1.0 KiB
JavaScript
7 months ago
|
'use strict';
|
||
|
|
|
||
|
|
// This is an example of using tokens to add a custom behaviour.
|
||
|
|
//
|
||
|
|
// Require the use of `=` for long options and values by blocking
|
||
|
|
// the use of space separated values.
|
||
|
|
// So allow `--foo=bar`, and not allow `--foo bar`.
|
||
|
|
//
|
||
|
|
// Note: this is not a common behaviour, most CLIs allow both forms.
|
||
|
|
|
||
|
|
// 1. const { parseArgs } = require('node:util'); // from node
|
||
|
|
// 2. const { parseArgs } = require('@pkgjs/parseargs'); // from package
|
||
|
|
const { parseArgs } = require('..'); // in repo
|
||
|
|
|
||
|
|
const options = {
|
||
|
|
file: { short: 'f', type: 'string' },
|
||
|
|
log: { type: 'string' },
|
||
|
|
};
|
||
|
|
|
||
|
|
const { values, tokens } = parseArgs({ options, tokens: true });
|
||
|
|
|
||
|
|
const badToken = tokens.find((token) => token.kind === 'option' &&
|
||
|
|
token.value != null &&
|
||
|
|
token.rawName.startsWith('--') &&
|
||
|
|
!token.inlineValue
|
||
|
|
);
|
||
|
|
if (badToken) {
|
||
|
|
throw new Error(`Option value for '${badToken.rawName}' must be inline, like '${badToken.rawName}=VALUE'`);
|
||
|
|
}
|
||
|
|
|
||
|
|
console.log(values);
|
||
|
|
|
||
|
|
// Try the following:
|
||
|
|
// node limit-long-syntax.js -f FILE --log=LOG
|
||
|
|
// node limit-long-syntax.js --file FILE
|