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check:mjs-parses parses with node even when the gates run under bun

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Under bun, process.execPath is bun, and bun --check runs the script instead of
parsing it; a cloud build hung inside check-link-rot-sample.mjs. The gate now
uses node under bun and fails plainly if node is missing.
This commit is contained in:
Doxa Maps 2026-09-27 22:00:29 +00:00
parent b8f77630c6
commit ec47023575
1 changed files with 12 additions and 1 deletions
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13
internal/check-mjs-parses.mjs
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@ -57,13 +57,24 @@ if (!files.length) {
process.exit(1)
}
// Under bun, process.execPath is bun, and `bun --check` RUNS the script instead of parsing it (a cloud
// build hung 18+ min inside check-link-rot-sample.mjs). Parse with a real node, or refuse to guess.
let NODE = process.execPath
if (process.versions.bun) {
NODE = 'node'
try { execFileSync(NODE, ['--version'], { stdio: 'pipe' }) } catch {
console.error('MJS-PARSE: FAIL — running under bun and no `node` on PATH; this gate needs node --check (bun --check executes).')
process.exit(1)
}
}
const broken = []
for (const f of files) {
const p = join(DIR, f)
try {
// `node --check` is the same parser the build uses, so a pass here means the build will at
// least get past parsing. It does not execute the module.
execFileSync(process.execPath, ['--check', p], { stdio: 'pipe' })
execFileSync(NODE, ['--check', p], { stdio: 'pipe' })
} catch (e) {
const out = String(e.stderr || e.stdout || e.message)
// node --check prints: <path>\n<offending source line>\n<caret>\n\nSyntaxError: <msg>