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Elm’s ports give you a safe, typed boundary between Elm and JavaScript. This article explains how ports enforce safety, shows a practical adapter pattern, discusses performance trade‑offs, and provides a checklist for production‑ready apps.
An architecture note describing how to use PureScript’s FFI to call JavaScript safely, covering requirements, minimal design, trust boundaries, checks, failure modes, and when to redesign.
Decide when to use raw PureScript FFI versus purescript-foreign boundary decoding for safer JavaScript interop.
Learn how Elm ports let you safely exchange data with JavaScript libraries like Chart.js without sacrificing Elm’s guarantee of no runtime exceptions.
Create plain JavaScript objects in ClojureScript with #js literals, read nested properties safely using goog.object, and isolate mutation at the interop boundary.
Use ClojureScript :advanced compilation for smaller release bundles while protecting JavaScript APIs with externs and verifying every interop boundary before deploy.
Learn how to expose ClojureScript functions to plain JavaScript using ^:export, see a concrete example, and understand the trade‑offs with dead‑code elimination.
PureScript's foreign import lets you call JavaScript with typed signatures, but the compiler never inspects the JS body. Learn how to treat FFI as an untrusted boundary and validate at the edges.
PureScript’s Foreign Function Interface lets you call JavaScript from pure code. This post walks through declaring imports, writing the JS side, bundling, and testing the boundary—plus the trade‑offs you should know.
purescript
clojurescript