Files
notification-elements-demo/node_modules/@pkgjs/parseargs/examples/negate.js
Giuliano Silvestro 5d0c9ec7eb Initial commit: notification-elements-demo app
Interactive Angular 19 demo for @sda/notification-elements-ui with
6 sections: Bell & Feed, Notification Center, Inbox, Comments &
Threads, Mention Input, and Full-Featured layout. Includes mock
data, dark mode toggle, and real-time event log.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-13 21:49:19 +10:00

44 lines
1.3 KiB
JavaScript

'use strict';
// This example is used in the documentation.
// How might I add my own support for --no-foo?
// 1. const { parseArgs } = require('node:util'); // from node
// 2. const { parseArgs } = require('@pkgjs/parseargs'); // from package
const { parseArgs } = require('..'); // in repo
const options = {
'color': { type: 'boolean' },
'no-color': { type: 'boolean' },
'logfile': { type: 'string' },
'no-logfile': { type: 'boolean' },
};
const { values, tokens } = parseArgs({ options, tokens: true });
// Reprocess the option tokens and overwrite the returned values.
tokens
.filter((token) => token.kind === 'option')
.forEach((token) => {
if (token.name.startsWith('no-')) {
// Store foo:false for --no-foo
const positiveName = token.name.slice(3);
values[positiveName] = false;
delete values[token.name];
} else {
// Resave value so last one wins if both --foo and --no-foo.
values[token.name] = token.value ?? true;
}
});
const color = values.color;
const logfile = values.logfile ?? 'default.log';
console.log({ logfile, color });
// Try the following:
// node negate.js
// node negate.js --no-logfile --no-color
// negate.js --logfile=test.log --color
// node negate.js --no-logfile --logfile=test.log --color --no-color