Installation

The create-ponder CLI tool is the best way to get started with Ponder. If it runs without error, your system meets the requirements.

System requirements

MacOS, Linux, or Windows
Node.js >=18 (support for Bun is in progress)
pnpm (recommended), yarn, or npm

Windows

As of 0.4.7, Ponder supports Windows via PowerShell, command prompt (cmd.exe), or Windows Subsystem for Linux (WSL). If you encounter a Windows-specific problem, please open an issue.

TypeScript

Ponder uses advanced TypeScript features to offer end-to-end type safety without code generation.

We strongly recommend taking the time to set up a working TypeScript development environment. It will pay dividends in the long run.

Requirements

TypeScript >=5.0.4 and viem >=1.16.0
ABIs must be asserted as const following ABIType guidelines.
The ponder-env.d.ts file must be included in your project.

`ponder-env.d.ts`

This "magical" file is what makes Ponder's zero-codegen type system possible. The file contains a module declaration for "@/generated" that exports types derived from ponder.config.ts and ponder.schema.ts.

Occasionally, Ponder's dev server may make changes to ponder-env.d.ts after upgrading to a new version of @ponder/core. When this happens, please commit the changes into version control.

VSCode

By default, VSCode's TypeScript language features use an internal version of TypeScript. Sometimes, this version does not meet Ponder's requirement of >=5.0.4.

To change VSCode's TypeScript version, run TypeScript: Select TypeScript version..." from the command palette and select Use Workspace Version or update VSCode's version.

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