64 lines
1.7 KiB
JavaScript
64 lines
1.7 KiB
JavaScript
#!/usr/bin/env node
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(function() {
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var fs = require('fs');
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var path = require('path');
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var parse = require('../parser').parse;
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var jsesc = require('jsesc');
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var regexes = process.argv.splice(2);
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var first = regexes[0];
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var data;
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var log = console.log;
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var flags = '';
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var main = function() {
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if (/^(?:-h|--help|undefined)$/.test(first)) {
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log([
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'\nUsage:\n',
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'\tregjsparser [regex ...]',
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'\tregjsparser [-f | --flags] u [regex ...]',
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'\tregjsparser [-v | --version]',
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'\tregjsparser [-h | --help]',
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'\nExamples:\n',
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'\tregjsparser \'^foo.bar$\'',
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'\tregjsparser \'[a-zA-Z0-9]\''
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].join('\n'));
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return process.exit(1);
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}
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if (/^(?:-v|--version)$/.test(first)) {
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log('v%s', require(path.resolve(__dirname, '../package.json')).version);
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return process.exit(1);
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}
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if (/^(?:-f|--flags)$/.test(first)) {
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flags = regexes[1];
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regexes = regexes.slice(2);
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}
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regexes.forEach(function(snippet) {
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try {
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result = parse(snippet, flags);
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log(jsesc(result, {
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'json': true,
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'compact': false,
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'indent': '\t'
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}));
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} catch(error) {
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log(error.message + '\n');
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log('Error: failed to parse. Make sure the regular expression is valid.');
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log('If you think this is a bug in regjsparser, please report it:');
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log('\thttps://github.com/jviereck/regjsparser/issues/new');
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log('\nStack trace:\n');
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log(error.stack);
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return process.exit(1);
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}
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});
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// Return with exit status 0 outside of the `forEach` loop, in case
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// multiple regular expressions were passed in.
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return process.exit(0);
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};
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main();
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}());
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