Avoid sync filesystem calls in request paths

#Metadata

Rule ID

ts.performance.no-sync-fs-in-request-path

Severity

high

Confidence

0.8

Languages

javascript, typescript

Presets

recommended, strict

Stability

stable

Applies to

block

Tags

performance, rules-catalog

#Why it matters

Synchronous filesystem calls on request paths block the event loop and degrade latency.

#Remediation

Refactor this path to avoid repeated work in hot execution paths.

#Repository path

The generated metadata points to critiq-rules/libs/rules/catalog/rules/typescript/ts.performance.no-sync-fs-in-request-path.rule.yaml.