| // Helper for the Windows process-tree kill test (test/local.test.ts). | |
| // | |
| // Boots a parent → child → grandchild chain and writes the grandchild's pid | |
| // to the path passed as `process.argv[2]`, then idles so the test can kill | |
| // the parent and assert the grandchild is reaped too. | |
| // | |
| // Lives in a real file (rather than an inline `node -e` string) so the path | |
| // travels via argv instead of being embedded in nested template literals — | |
| // inline multi-line `node -e` with backslash paths gets mangled by Node's | |
| // Windows arg-quoting and by JS string escapes (`\f` etc.). | |
| const { spawn } = require('node:child_process'); | |
| const pidPath = process.argv[2]; | |
| if (!pidPath) { | |
| process.exit(2); | |
| } | |
| // Single-line child code: no newlines, no nested template literals, and the | |
| // pid path comes from argv (not a string literal), so it survives Windows | |
| // arg-quoting intact. | |
| const childCode = [ | |
| "const { spawn } = require('node:child_process');", | |
| "const { writeFileSync } = require('node:fs');", | |
| "const g = spawn(process.execPath, ['-e', 'setTimeout(() => {}, 60000)']);", | |
| 'writeFileSync(process.argv[1], String(g.pid));', | |
| 'setInterval(() => {}, 1000);', | |
| ].join(' '); | |
| spawn(process.execPath, ['-e', childCode, pidPath], { stdio: 'inherit' }); | |
| setInterval(() => {}, 1000); | |