jest.config.js

 
const jestJupyterLab = require("@jupyterlab/testutils/lib/jest-config");

/** @type {import('ts-jest').JestConfigWithTsJest} **/

const baseConfig = jestJupyterLab(__dirname);

const esModules = [
    "@codemirror",
    "@jupyter/ydoc",
    "@jupyterlab/",
    "@jupyter/",
    "@microsoft/",
    "lib0",
    "exenv-es6",
    "nanoid",
    "vscode-ws-jsonrpc",
    "y-protocols",
    "y-websocket",
    "yjs",
    "@rjsf",
    "@xyflow/",
    "@waldiez/react/",
].join("|");

module.exports = {
    ...baseConfig,
    globals: {
        NODE_ENV: "test",
    },
    testEnvironment: "jsdom",
    testRegex: "src/.*/.*.spec.ts[x]?$",
    preset: "ts-jest",
    automock: false,
    collectCoverageFrom: ["src/**/*.{ts,tsx}", "!src/**/*.d.ts", "!src/**/.ipynb_checkpoints/*"],
    transformIgnorePatterns: [
        `<rootDir>/node_modules/(?!${esModules}).+`,
        `<rootDir>/.venv/`,
        `<rootDir>/jest.setup.ts`,
    ],
    setupFilesAfterEnv: ["<rootDir>/jest.setup.ts"],
    testPathIgnorePatterns: ["dist"],
    modulePaths: ["<rootDir>/src", "<rootDir>/node_modules"],
    roots: ["src"],
    moduleNameMapper: {
        yjs: "<rootDir>/node_modules/yjs",
        "\\.(css|less|scss|sass)$": "identity-obj-proxy",
    },
};