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Check if the code is running in Jest

Written byPhuoc Nguyen
Category
Misc
Created
18 Jun, 2022
JavaScript version
isRunningInJest.js
const isRunningInJest = typeof process !== 'undefined' && process.env.JEST_WORKER_ID !== undefined;
TypeScript version
isRunningInJest.ts
const isRunningInJest: boolean = typeof process !== 'undefined' && process.env.JEST_WORKER_ID !== undefined;

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Phước Nguyễn