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14 lines
932 B
JavaScript
14 lines
932 B
JavaScript
// Compile advisory shapes, but only match bounded 16-character inputs. No load/DoS test.
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const path=require('node:path'),assert=require('node:assert/strict');
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const base=path.resolve(process.argv[2]||'node_modules/picomatch');
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const picomatch=require(base), version=require(path.join(base,'package.json')).version;
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const rows=['[[:constructor:]]','+(a|aa)','+(+(a))'].map(pattern=>{
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const regex=picomatch.makeRe(pattern);const start=performance.now();const result=regex.test('a'.repeat(16)+'b');
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return {pattern,regex:regex.source,result,ms:performance.now()-start};
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});
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console.log(JSON.stringify({base,version,node:process.version,rows}));
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assert(!rows[0].regex.includes('function Object'),'inherited constructor entered regex');
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assert(!rows[1].regex.includes('(?:a|aa)+'),'overlapping repeated alternative entered regex');
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assert(picomatch('crates/*')('crates/example'));
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assert(!picomatch('crates/*')('unrelated/example'));
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