I have this value in my env file:
REACT_APP_CHAIN_ID=56
and when I try to get the value of this variable in my file test.ts:
console.log("address : " + process.env.REACT_APP_CHAIN_ID);
I have undefined value?
Try with using typescript instead. Rename all your .js files into .ts . And use ts-node./index.ts
instead.
But before that do not forget to install instances: npm install -g typescript ts-node
or if you are using yarn: yarn add -DE typescript
or just yarn add -D typescript
then use npx tsc -init
or simply tsc -init
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