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bitwarden-browser/libs/shared/jest.config.base.js
Thomas Rittson 05ebca2c4c
[EC-497] Fix memory leaks in tests (#3421)
* Add isolatedModules:true

* Add manual typechecking in CI for libs/ tests
2022-09-08 08:05:30 +10:00

25 lines
887 B
JavaScript

/* eslint-env node */
module.exports = {
testMatch: ["**/+(*.)+(spec).+(ts)"],
collectCoverage: true,
coverageReporters: ["html", "lcov"],
coverageDirectory: "coverage",
// Workaround for a memory leak that crashes tests in CI:
// https://github.com/facebook/jest/issues/9430#issuecomment-1149882002
// Also anecdotally improves performance when run locally
maxWorkers: 3,
globals: {
"ts-jest": {
// Jest does not use tsconfig.spec.json by default
tsconfig: "<rootDir>/tsconfig.spec.json",
// Further workaround for memory leak, recommended here:
// https://github.com/kulshekhar/ts-jest/issues/1967#issuecomment-697494014
// Makes tests run faster and reduces size/rate of leak, but loses typechecking on test code
// See https://bitwarden.atlassian.net/browse/EC-497 for more info
isolatedModules: true,
},
},
};