mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-21 05:50:55 +08:00
Chris Tate
13291c68d3
- Preserve live class identity through interface receivers and object methods. - Extend synchronous text reads and regular expression replacement callbacks. - Keep unsupported generic dispatch boundaries explicit.
17 lines
1.0 KiB
JavaScript
17 lines
1.0 KiB
JavaScript
"use strict";
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console.log('ab'.replace(/a/), 'ab'.replaceAll(/a/g));
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let calls = [];
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console.log('ab ac'.replace(/a(b)?/g, function(...args) { calls.push([this===undefined,args.length,args[1]===undefined,args[2]]); return args[1]===undefined?undefined:42; }));
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console.log(JSON.stringify(calls));
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console.log('b'.replace(/(?<x>a)|b/, (...args)=> { const groups = args.at(-1); console.log(Object.getPrototypeOf(groups)===null,groups.x===undefined); return {toString(){return 'object';}}; }));
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console.log('ab'.replace(/(?:(?<x>a)|(?<x>b))/g, (...args) => args.at(-1).x));
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let nested=[];
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console.log('aa'.replace(/a/g, ()=>{ nested.push('b'.replace(/b/,(m)=>m.toUpperCase())); return 'outer'; }));
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console.log(nested.join(','));
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const pattern=/a/g;
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console.log('aa'.replace(pattern, () => { pattern.exec('z'); return 'x'; }));
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let coercions=[];
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try { console.log('aa'.replace(/a/g, () => ({toString(){coercions.push('coerce');throw new Error('conversion');}}))); }
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catch(error){console.log(error.message,coercions.join(','));}
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