Getting `eslint' - parsing error, while compiling firebase cloud function

Question

Recently I've started working on a project based on firebase cloud functions and firestore database. I'm writing a cloud function trigger function which will query a "Collection group", on a new document being created.

Below is the cloud function code file:

exports.findDealsOnBuy = functions.firestore
    .document('businessmen/{businessmenId}/buy/{buyId}')
    .onCreate((snapshot, context) => {
        const businessmenId = context.params.businessmenId;
        const buyId = context.params.buyId;
        const buy = snapshot.data();
        functions.logger.info('businessmenId : ', businessmenId, ' buyId : ', buyId, ' buy : ', buy );
        const sellGrpRef = admin.firestore().collectionGroup('sell');
        const querySnapshot = await sellGrpRef.whereEqualTo('goodsName', '==', buy.getGoodsName())
            .whereEqualTo('goodsLocation', '==', buy.getGoodsLocation())
            .whereEqualTo('status', '==', 1)
            .whereEqualTo('status', '==', 5)
            .whereLessThanOrEqualTo('bestPrice', '<=', buy.getBestPrice())
            .orderBy('bestPrice', 'desc')
            .get();
            
            if (querySnapshot.empty) {
                console.log('No matching documents.');
                return;
            } 
            
            querySnapshot.forEach((doc) => {
                console.log(doc.id, ' => ', doc.data());
            });
    });

But while compiling i am being thrown the below error

> C:\Users\Suman\Kamakshi\Ganesh\Burrabazar\Cloudfunctions\functions\index.js
> 31:31  error  Parsing error: Unexpected token sellGrpRef

I tried a lot but I am unable to find a clue how to resolve this. Requesting help to resolve.

You can only use await inside async functions.

Barmar
– Barmar

2021-11-22 17:19:05 +00:00
Commented Nov 22, 2021 at 17:19 — Barmar
– Barmar, Commented Nov 22, 2021 at 17:19

Jose German Perez Sanchez · Accepted Answer · 2021-11-24 21:38:13Z

1

I am sharing now that I found the await documentation in MDN Web Doc.

To wait for a Promise, use the await operator. Within standard JavaScript code, it can only be used inside an async function.

You can use await within a function if you use the async keyword before the function definition. When you wait for a promise to settle, the function is stopped in a non-blocking manner. You get the value back if the promise is kept. The rejected value is thrown if the promise fails.

answered Nov 24, 2021 at 21:38

Jose German Perez Sanchez

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