Improve productivity with TypeScript and lifecycle hooks for Cloud Functions
Blog post from Firebase
Firebase CLI version 3.16.0 introduced first-class TypeScript support for Cloud Functions, allowing developers to select TypeScript during project initialization and receive a preconfigured project structure, compiler settings, and automatic transpilation to JavaScript during deployment. TypeScript’s optional static typing and modern JavaScript features can improve code completion, linting, syntax checking, and early bug detection. New TypeScript Cloud Functions projects also recommend TSLint with selected safe default rules, including checks for common issues such as failing to return a promise; warnings appear during deployment, while errors can prevent deployment, though rules may be disabled locally or globally when necessary. The release also adds Firebase CLI lifecycle hooks, including predeploy and postdeploy commands that can automate tasks across Firebase services, such as compiling code or documentation, checking repository status, tagging production releases, and sending deployment notifications.
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