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TypeError while initializing in Node 19

See original GitHub issue

FakeTimers version : 9.1.2
Environment : node:19.0-alpine@sha256:48e43334c84762aa05c18dac37ec5ca396e9d55c5cb053f15cd4edbfe89a0914 (not reproducible in node:18.11-alpine)
Example URL : N/A
Other libraries you are using: @jest/fake-timers

What did you expect to happen? The code below to execute without throwing an exception.

What actually happens An exception is thrown:

TypeError: Cannot assign to read only property 'performance' of object '[object global]

at hijackMethod (node_modules/@sinonjs/fake-timers/src/fake-timers-src.js:946:32)
at Object.install (node_modules/@sinonjs/fake-timers/src/fake-timers-src.js:1733:17)

How to reproduce Run the following:

var FakeTimers = require("@sinonjs/fake-timers");

var clock = FakeTimers.install();

Issue Analytics

State:
Created a year ago
Comments:5 (3 by maintainers)

Top GitHub Comments

1reaction

SimenBcommented, Oct 22, 2022

I was unable to reproduce it here in @sinonjs/fake-timers, so I ended up hacking around it in Jest: https://github.com/facebook/jest/pull/13467/files#diff-7e6b39bebf54c704e027085672211430b8241b080e103d997757bcea915d2041R95-R96

Would love for it to be a fix here though, so I can revert that PR and bump the dep 🙂

0reactions

jonathanschoellercommented, Nov 13, 2022

@SimenB I can’t seem to reproduce the issue now either. I must have had some other environment details I didn’t record. Happy to close this off. Thanks for having a look.

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