@side/jest-runtime
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NOTE This package was intentionally left as JS instead of being converted to TS because it is only a slight modification of existing Jest code based on this PR
Install SWC if you haven't already @swc/core @swc/jest
Make sure to configure SWC if you haven't already:
{
"jsc": {
"parser": {
"syntax": "typescript",
"decorators": true
},
"transform": {
"legacyDecorator": true,
"decoratorMetadata": true
}
}
}
Install custom runtime: yarn add @side/jest-runtime
Use within jest.config.js:
module.exports = {
transform: {
'^.+\\.ts$': '@swc/jest',
},
runtime: '@side/jest-runtime',
};
We were seeing memory leaks using ts-jest with node >16.10. When investigating solutions this PR fixing the issue was noticed. Since it hasn't been merged, and we still wanted to share this logic, we created this lib.
FAQs
Custom runtime for Jest which addresses memory leak issue
We found that @side/jest-runtime demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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