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33 lines
1.2 KiB
JavaScript
33 lines
1.2 KiB
JavaScript
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/* eslint-env node */
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/* eslint-disable @typescript-eslint/no-var-requires */
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const { defaultTransformerOptions } = require("jest-preset-angular/presets");
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/** @type {import('jest').Config} */
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module.exports = {
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testMatch: ["**/+(*.)+(spec).+(ts)"],
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// Workaround for a memory leak that crashes tests in CI:
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// https://github.com/facebook/jest/issues/9430#issuecomment-1149882002
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// Also anecdotally improves performance when run locally
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maxWorkers: 3,
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transform: {
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"^.+\\.(ts|js|mjs|svg)$": [
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"jest-preset-angular",
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{
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...defaultTransformerOptions,
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// Jest does not use tsconfig.spec.json by default
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tsconfig: "<rootDir>/tsconfig.spec.json",
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// Further workaround for memory leak, recommended here:
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// https://github.com/kulshekhar/ts-jest/issues/1967#issuecomment-697494014
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// Makes tests run faster and reduces size/rate of leak, but loses typechecking on test code
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// See https://bitwarden.atlassian.net/browse/EC-497 for more info
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isolatedModules: true,
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astTransformers: {
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before: ["<rootDir>/../../libs/shared/es2020-transformer.ts"],
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},
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},
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],
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},
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};
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