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typescript-postmessagehandler


A TypeScript library that wraps the postMessage API to provide structured, type-safe messaging between iframes, windows, and browser tabs. A shared secret is used to scope messages so that unrelated postMessage events are ignored.

The API documentation is available at friedemannsommer.github.io/typescript-postmessagehandler.

The source code for this project can be found on GitHub at friedemannsommer/typescript-postmessagehandler.

Last built 27 June 2026 | Friedemann Sommer