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3de3765425
This PR adds build-time code exclusion by means of code fencing. For details, please see the README in `./development/build/transforms`. Note that linting of transformed files as a form of validation is added in a follow-up, #12075. Hopefully exhaustive tests are added to ensure that the transform works according to its specification. Since these tests are Node-only, they required their own Jest config. The recommended way to work with multiple Jest configs is using the `projects` field in the Jest config, however [that feature breaks coverage collection](https://github.com/facebook/jest/issues/9628). That being the case, I had to set up two separate Jest configs. In order to get both test suites to run in parallel, Jest is now invoked via a script, `./test/run-jest.sh`. By way of example, this build system feature allows us to add fences like this: ```javascript this.store.updateStructure({ ..., GasFeeController: this.gasFeeController, TokenListController: this.tokenListController, ///: BEGIN:ONLY_INCLUDE_IN(beta) PluginController: this.pluginController, ///: END:ONLY_INCLUDE_IN }); ``` Which at build time are transformed to the following if the build type is not `beta`: ```javascript this.store.updateStructure({ ..., GasFeeController: this.gasFeeController, TokenListController: this.tokenListController, }); ``` Co-authored-by: Mark Stacey <markjstacey@gmail.com>
20 lines
514 B
JavaScript
20 lines
514 B
JavaScript
module.exports = {
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displayName: '/development',
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collectCoverageFrom: ['<rootDir>/**/*.js'],
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coverageDirectory: '../jest-coverage/development/',
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coverageReporters: ['json', 'lcov', 'text', 'clover'],
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coverageThreshold: {
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'./development/build/transforms/**/*.js': {
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branches: 100,
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functions: 100,
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lines: 100,
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statements: 100,
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},
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},
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resetMocks: true,
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restoreMocks: true,
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testEnvironment: 'node',
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testMatch: ['<rootDir>/build/**/*.test.js'],
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testTimeout: 2500,
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};
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