This article explains how the open‑source Tango low‑code engine uses a CodeSandbox‑based sandbox architecture—including dependency initialization, transpilation, and cross‑origin communication—to enable real‑time source‑code execution and visual drag‑and‑drop building within a secure iframe environment.
This article examines the landscape of browser‑based development environments, compares popular online IDEs such as CodeSandbox, StackBlitz, CodePen, and VueSFCREPL, outlines their architectural components, highlights their strengths and limitations, and provides concrete code examples of their underlying mechanisms.
This article details the background, architecture, and step‑by‑step performance optimizations—including Packager caching, request reduction, Service‑Worker caching, and Webpack‑style externals—that reduced a CodeSandbox sandbox build from around two minutes to roughly one second.
This article explains the background, challenges, and step‑by‑step process of privately deploying and extending CodeSandbox—including building a custom online IDE, configuring a private npm registry, modifying the packager service, adding screenshot and style‑injection features, and integrating with Bit for component sharing.
