CODEWITHSUNDEEP
node.jsfirebasegoogle-cloud-functionsfirebase-tools
Abhimanyu
Abhimanyu

Reputation: 14827

Firebase cloud function local code changes are not reflected in emulators

I am trying to develop API for my apps using Firebase cloud functions.
Following this site to use the firebase emulator suite for development and testing locally.

Issue: The changes are not reflected in the locally emulated functions.

Steps:

  1. index.js:

    exports.test = functions.https.onRequest(async (request, response) => {
   response.status(200).send("First");
});

  2. Successfully deployed the test method.

    firebase deploy --only functions:test

  3. In Postman made the following GET request.

     https://us-central1-<project-name>.cloudfunctions.net/test

    Result: First
    Status: 200 OK

  4. Started the emulators:

    firebase emulators:start --only functions

  5. In Postman made the following GET request.

     http://localhost:5001/<project-name>/us-central1/indexTest

    Result: First
    Status: 200 OK
    Same as the actual deployed function.

  6. Changed the function code to:

    exports.test = functions.https.onRequest(async (request, response) => {
    response.status(200).send("Second");
});

  7. Getting the same result as before when hitting the emulated function in localhost. The changes are not reflected.

Also, tried stopping the emulator and starting it again. No luck.

Upvotes: 13

Views: 2858

Answers (1)

Abhimanyu
Abhimanyu

Reputation: 14827

I had raised an issue in the firebase-tools repo as suggested by DougStevenson. Got the issue resolved with Sam Stern's support.

Posting the solution here for anyone else who gets stuck in the same issue.

Solution:

  1. After every change to the ts files, run "npm run build" to compile the code again.
  2. Change "build": "tsc" to "build": "tsc -w" in package.json if you want to auto-compile after every change.

Upvotes: 17

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