Deterministic path-to-URL normalization helpers and urix-compatible API.

Dependency-free TypeScript HAR 1.2 validation helpers and har-validator migration wrappers.

Typed stable sorting helpers with migration-friendly aliases for the deprecated stable package.

Modern recursive copy utility with promise and ncp-compatible callback APIs.

Fetch-backed request migration client with callback and promise APIs.

Sequential URL resolution using the standard URL API with resolve-url migration helpers.

Dependency-free terminal progress gauge renderer and gauge migration helper.

Explicit polyfill import planning helpers for migrating from babel-polyfill.

Small structured terminal logger with npmlog-style level helpers.

Modern high-resolution timing helpers and w3c-hr-time compatibility exports.

Typed weighted progress state primitives and are-we-there-yet migration helpers.

Promise-first request-promise migration helper backed by fetch.

Typed single-flight async coalescing with cleanup, cancellation, and inflight-compatible callbacks.

Migration helpers for replacing babel-eslint with @babel/eslint-parser.

Native DOMException migration helpers and domexception-compatible default export.

Native Promise migration helpers for Q-era APIs.

Migration helpers for replacing rollup-plugin-terser with @rollup/plugin-terser.

Migration helpers for replacing eslint-loader with eslint-webpack-plugin.

Typed Base64, Base64URL, byte helpers, and abab-compatible atob/btoa exports.

Modern source map URL discovery, parsing, and source resolution helpers.