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Frameworks & web · #reactnative
Learn how to replace ScrollView with FlatList, tune keyExtractor, getItemLayout, and initialNumToRender, and measure real‑world gains in frame rate and memory usage.
Learn how to move from ScrollView to FlatList in React Native to handle long datasets. We cover virtualization, getItemLayout, and memory management tips.
Diagnostic guide for React Native apps with Hermes enabled that show a blank white screen on cold start in release builds while debug builds work. Covers bundle packaging, bytecode generation and native build config.
Determine whether Metro's cache‑key generation incorporates a distinction between the repository‑wide node_modules folder and the node_modules folders belonging to individual packages in a Yarn workspace monorepo. Metro builds its cache hash from file‑system watch events and the resolved module map; in a workspace, a change inside any package's node_modules