@airbnb/config-jest/lib/index.js

Reusable Jest config.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const core_1 = require("@beemo/core");
const nimbus_common_1 = require("@airbnb/nimbus-common");
const exts = nimbus_common_1.EXTS.map((ext) => ext.slice(1));
const extsWithoutJSON = exts.filter((ext) => ext !== 'json');
function fromHere(filePath) {
    return `<rootDir>/${new core_1.Path(process.cwd()).relativeTo(new core_1.Path(__dirname, '..', filePath).resolve())}`;
}
function createCoveragePattern(folder) {
    return `**/${folder}/**/*.{${extsWithoutJSON.join(',')}}`;
}
/**
 * Create a root project config for a project.
 */
function getConfig({ graphql = false, react = false, srcFolder, testFolder, threshold = 75, workspaces = [], }) {
    const roots = [];
    const setupFiles = [fromHere('setup/shims.js'), fromHere('setup/console.js')];
    const setupFilesAfterEnv = [fromHere('bootstrap/consumer.js')];
    if (workspaces.length > 0) {
        workspaces.forEach((wsPath) => {
            roots.push(new core_1.Path('<rootDir>', wsPath.replace('/*', '')).path());
        });
    }
    else {
        roots.push('<rootDir>');
    }
    if (react) {
        setupFiles.push(fromHere('setup/dom.js'));
        setupFilesAfterEnv.unshift(fromHere('bootstrap/react.js'));
    }
    if (graphql) {
        setupFilesAfterEnv.unshift(fromHere('bootstrap/graphql.js'));
    }
    const config = {
        bail: false,
        collectCoverageFrom: [createCoveragePattern(srcFolder), createCoveragePattern(testFolder)],
        coverageDirectory: './coverage',
        coveragePathIgnorePatterns: nimbus_common_1.IGNORE_PATHS.filter((ignore) => !ignore.startsWith('*')),
        coverageReporters: ['lcov', 'json-summary', 'html'],
        coverageThreshold: {
            global: {
                branches: threshold,
                functions: threshold,
                lines: threshold,
                statements: threshold,
            },
        },
        globals: {
            __DEV__: true,
        },
        // Add custom mock extension so libs can export mocks
        moduleFileExtensions: ['mock.js', ...exts, 'node'],
        moduleNameMapper: {
            [`^.+${nimbus_common_1.ASSET_EXT_PATTERN.source}`]: fromHere('mocks/file.js'),
        },
        roots,
        setupFiles,
        setupFilesAfterEnv,
        testEnvironment: react ? 'jsdom' : 'node',
        testURL: 'http://localhost',
        timers: 'fake',
        verbose: false,
    };
    if (graphql) {
        config.transform = {
            [`^.+${nimbus_common_1.GQL_EXT_PATTERN.source}`]: fromHere('transformers/graphql.js'),
            [`^.+${nimbus_common_1.TJSX_EXT_PATTERN.source}`]: 'babel-jest',
        };
    }
    return config;
}
exports.getConfig = getConfig;