go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/web/rpcexplorer/jest.config.js (about)

     1  // Copyright 2022 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  /** @type {import('ts-jest/dist/types').InitialOptionsTsJest} */
    16  // eslint-disable-next-line no-undef
    17  module.exports = {
    18    /**
    19       * This resolved many issues that may occur while importing 3rd party tools.
    20       */
    21    preset: 'ts-jest/presets/js-with-ts',
    22    /**
    23       * The test env is JSDom as it enables us to use
    24       * `window` and other browser specific variables.
    25       */
    26    testEnvironment: 'jsdom',
    27    /**
    28       * files with `.spec.ts` are reserved for cypress tests.
    29       */
    30    testMatch: [
    31      '**/__tests__/**/*.[jt]s?(x)',
    32      '**/?(*.)+(test).[jt]s?(x)',
    33    ],
    34    /**
    35       * The reason we need to set this is because we are
    36       * importing node_modules which are using
    37       * `es6` modules and that is not compatible with jest,
    38       * so we need to transform them.
    39       */
    40    transformIgnorePatterns: [
    41      '/node_modules/' +
    42      '(?!(node-fetch|data-uri-to-buffer|fetch-blob|formdata-polyfill)/)',
    43    ],
    44    /**
    45     * This allows components to import styling files without
    46     * failing the jest build.
    47     */
    48    moduleNameMapper: {
    49      '\\.(css|less|scss)$': 'identity-obj-proxy',
    50    },
    51  };