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Streamline your TypeScript development of Cloud Functions code

Blog post from Firebase

Post Details
Company
Date Published
Author
Doug Stevenson
Word Count
546
Company Posts That Month
4
Language
English
Hacker News Points
-
Post removed?
No
Summary

Firebase Cloud Functions can be tested locally with the Firebase CLI emulator, which simulates HTTPS and other function triggers and automatically reloads changed JavaScript files without requiring redeployment or emulator restarts. TypeScript introduces an additional compilation step before functions can run, but this can be streamlined by using the TypeScript compiler’s watch mode with `tsc --watch`, which detects file changes and incrementally recompiles code automatically. Running the compiler alongside the emulator restores a rapid edit-and-test workflow, and VSCode can launch the watch process through its build tasks interface while displaying compilation results and errors. Because TypeScript watch mode does not run TSLint, developers are encouraged to configure linting separately in their editor to identify potential production issues.

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