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MIRROR: javascript for 🐜's, a tiny runtime with big ambitions ant.themackabu.dev
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475const { spawnSync } = require('child_process');const fs = require('fs');const os = require('os');const path = require('path');
function assert(condition, message) { if (!condition) throw new Error(message);}
function runCase(bin, dir, file, source) { const scriptPath = path.join(dir, file); fs.writeFileSync(scriptPath, source);
const result = spawnSync(bin, [scriptPath], { env: { ...process.env, ANT_DEBUG: 'dump/errors:trace' }, encoding: 'utf8', });
if (result.error) throw result.error; return { scriptPath, ...result };}
const tmpDir = fs.mkdtempSync(path.join(os.tmpdir(), 'ant-debug-errors-'));const bin = path.resolve(__dirname, '..', 'build', 'ant');
const thrown = runCase( bin, tmpDir, 'throw-project-path.cjs', "throw new Error('Project path is required');\n");assert(thrown.status !== 0, 'throw case should fail');assert( thrown.stderr.includes('[ant-debug:error] throw Error: Project path is required'), `expected throw trace in stderr\n${thrown.stderr}`);assert( thrown.stderr.includes(`site: ${thrown.scriptPath}:1:`), `expected throw site in stderr\n${thrown.stderr}`);
const missing = runCase( bin, tmpDir, 'missing-bailing.cjs', "console.log(bailing);\n");assert(missing.status !== 0, 'missing identifier case should fail');assert( missing.stderr.includes('[ant-debug:error] create ReferenceError'), `expected ReferenceError trace in stderr\n${missing.stderr}`);assert( missing.stderr.includes('bailing'), `expected missing identifier name in stderr\n${missing.stderr}`);
const constAssign = runCase( bin, tmpDir, 'const-assign.cjs', "const value = 1;\nvalue = 2;\n");assert(constAssign.status !== 0, 'const assignment case should fail');assert( constAssign.stderr.includes('[ant-debug:error] create TypeError: Assignment to constant variable'), `expected const assignment trace in stderr\n${constAssign.stderr}`);assert( constAssign.stderr.includes(`site: ${constAssign.scriptPath}:2:`), `expected const assignment site in stderr\n${constAssign.stderr}`);
console.log('debug error trace test passed');