96 lines
2.4 KiB
JavaScript
96 lines
2.4 KiB
JavaScript
import process from 'node:process';
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import { y as yargsParser, t as trimNewlines, r as redent, n as normalizePackageData, c as camelcaseKeys } from './dependencies.js';
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import { buildOptions } from './options.js';
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import { buildParserOptions } from './parser.js';
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import { checkUnknownFlags, validate, checkMissingRequiredFlags } from './validate.js';
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const buildResult = (options, parserOptions) => {
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const {pkg: package_} = options;
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const argv = yargsParser(options.argv, parserOptions);
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let help = '';
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if (options.help) {
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help = trimNewlines((options.help || '').replace(/\t+\n*$/, ''));
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if (help.includes('\n')) {
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help = redent(help, options.helpIndent);
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}
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help = `\n${help}`;
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}
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normalizePackageData(package_);
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let {description} = options;
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if (!description && description !== false) {
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({description} = package_);
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}
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description &&= help ? redent(`\n${description}\n`, options.helpIndent) : `\n${description}`;
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help = `${description || ''}${help}\n`;
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const showHelp = code => {
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console.log(help);
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process.exit(typeof code === 'number' ? code : 2);
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};
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const showVersion = () => {
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console.log(typeof options.version === 'string' ? options.version : package_.version);
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process.exit(0);
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};
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if (argv._.length === 0 && options.argv.length === 1) {
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if (argv.version === true && options.autoVersion) {
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showVersion();
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} else if (argv.help === true && options.autoHelp) {
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showHelp(0);
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}
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}
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const input = argv._;
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delete argv._;
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if (!options.allowUnknownFlags) {
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checkUnknownFlags(input);
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}
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const flags = camelcaseKeys(argv, {exclude: ['--', /^\w$/]});
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const unnormalizedFlags = {...flags};
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validate(flags, options);
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for (const flagValue of Object.values(options.flags)) {
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if (Array.isArray(flagValue.aliases)) {
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for (const alias of flagValue.aliases) {
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delete flags[alias];
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}
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}
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delete flags[flagValue.shortFlag];
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}
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checkMissingRequiredFlags(options.flags, flags, input);
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return {
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input,
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flags,
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unnormalizedFlags,
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pkg: package_,
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help,
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showHelp,
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showVersion,
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};
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};
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const meow = (helpText, options = {}) => {
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const parsedOptions = buildOptions(helpText, options);
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const parserOptions = buildParserOptions(parsedOptions);
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const result = buildResult(parsedOptions, parserOptions);
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process.title = result.pkg.bin ? Object.keys(result.pkg.bin).at(0) : result.pkg.name;
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return result;
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};
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export { meow as default };
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