Capability-style filesystem roots for Node.js apps that handle untrusted relative paths.

detect possibly catastrophic, exponential-time regular expressions

Evaluates javascript code blocks from markdown files.

json serializable rule engine / boolean expression evaluator

A deep deletion module for node (like `rm -rf`)

Deterministic and safely JSON.stringify to quickly serialize JavaScript objects

Statsig helps you move faster with feature gates (feature flags), and/or dynamic configs. It also allows you to run A/B/n tests to validate your new features and understand their impact on your KPIs. If you're new to Statsig, check out our product and cre

Interprets/evaluates mathematical expressions using interval arithmetic

Evaluate code in a full tscircuit runtime environment, including Sucrase transpilation and execution, so you just need to send the code to be executed with automatic handling of imports from `@tsci/*`

URL and cookie safe UIDs

Budgeted JavaScript interpreter with explicit host capabilities and resumable execution

The grunt command line interface

Source-only senpi extension package for codemode evaluation tools

Add command substitution to dotenv

Like execa but prevents binary planting attacks on Windows

Evaluate and improve AI agents from runs, traces, judges, and feedback. Compare candidates, cluster failures, measure lift, and gate releases.

Safe Json Utils

Statsig helps you move faster with feature gates (feature flags), and/or dynamic configs. It also allows you to run A/B/n tests to validate your new features and understand their impact on your KPIs. If you're new to Statsig, check out our product and cre

Prevent defined property getters from throwing errors

A hack to enable use of libraries that depend on a basic form of eval in Atom