State library that implements the Observer pattern, built with reactivity and composition in mind.

Build react forms with reactive validations between forms and a composable API.

Angular2 interceptor service implementation

- Light client first: built on top of the [new JSON-RPC spec](https://paritytech.github.io/json-rpc-interface-spec/) to fully leverage the potential of light-clients (i.e: [smoldot](https://www.npmjs.com/package/smoldot)). - Delightful TypeScript support 

A lightweight yet powerful TypeScript library to **compare runtime metadata between upgrades** of PolkadotSDK-based blockchains. Easily detect **breaking changes, additions, and compatibility levels** across all runtime components.

This package generates chain-specific documentation, based on metadata.

This package reads Ink! metadata files to extract its information, and generates types and SCALE codecs for the types defined in the metadata.

This package exports the interface of `polkadot-api` with the chain.

This package exports `getSyncProvider`, a function to create `JsonRpcProvider`s that will act as if the connection happen synchronously.

Ledger libraries require `Buffer` global to exist in scope. If you are on a NodeJS (or Bun) environment you are good to go. If you are on a browser environment, make sure your bundler exposes it or polyfill it yourself with [`buffer` package](https://www.

This package exports a `JsonRpcProvider` enhancer to record logs of messages sent & received, and a provider that reads from these logs to replay existing sessions.

This TS package provides utils for the merkleization of [`frame_metadata`](https://docs.rs/frame-metadata/latest/frame_metadata/) as described in [RFC78](https://polkadot-fellows.github.io/RFCs/approved/0078-merkleized-metadata.html).

This package has multiple functions that read a metadata object, denormalizes it, and builds other structures needed for different processes

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Socket fights vulnerabilities and provides visibility, defense-in-depth, and proactive supply chain protection for JavaScript, Python, and Go dependencies.

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