@deeplx/cli/lib/cli.js

The cli for [`@deeplx/core`](https://github.com/un-ts/deeplx/blob/master/packages/@deeplx/core), a powerful and easy-to-use yet free DeepL API client for Node.js using [DeepL](https://www.deepl.com) by porting [OwO-Network/DeepLX](https://github.com/OwO-N

#!/usr/bin/env node
import './fetch.js';
import fs from 'node:fs/promises';
import { fileURLToPath, URL } from 'node:url';
import { translate, } from '@deeplx/core';
import { cjsRequire } from '@pkgr/core';
import { program } from 'commander';
const { version, description } = cjsRequire(fileURLToPath(new URL('../package.json', import.meta.url)));
const FALSY_VALUES = new Set(['0', 'false', 'n', 'no', 'off']);
program
    .name('deeplx')
    .version(version)
    .description(description)
    .option('-s, --source <text>', 'Source language of your text')
    .requiredOption('-t, --target <text>', 'Target language of your desired text')
    .option('--text <text>', 'Text to be translated')
    .option('-f, --file <path>', 'File to be translated')
    .option('--formal [boolean]', 'Whether to use formal (true) or informal (false) tone in translation. Default `undefined` respects source text tone.', (formal) => (formal == null ? formal : !FALSY_VALUES.has(formal)))
    .option('--no-formal')
    .action(async function () {
    const { source, target, text, file, formal } = this.opts();
    const isTextNil = text == null || text.trim() === '';
    const isFileNil = file == null || file.trim() === '';
    if (isTextNil && isFileNil) {
        throw new Error('One of `text` or `file` option must be specified');
    }
    if (!isTextNil && !isFileNil) {
        console.warn('Both `text` and `file` options provided, `text` will take precedence');
    }
    const translated = await translate(isTextNil ? await fs.readFile(file, 'utf8') : text, target, source, formal);
    console.log(translated);
})
    .parseAsync(process.argv)
    .catch((err) => {
    process.exitCode = 1;
    console.error(err);
});
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