@callstack/reassure-measure/lib/commonjs/testing-library.js

Performance measurement library for React and React Native

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getTestingLibrary = getTestingLibrary;
exports.resolveTestingLibrary = resolveTestingLibrary;
var logger = _interopRequireWildcard(require("@callstack/reassure-logger"));
var _config = require("./config");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
let RNTL;
try {
  // eslint-disable-next-line import/no-extraneous-dependencies
  RNTL = require('@testing-library/react-native');
} catch {
  // Do nothing
}
let RTL;
try {
  // eslint-disable-next-line import/no-extraneous-dependencies
  RTL = require('@testing-library/react');
} catch {
  // Do nothing
}
function resolveTestingLibrary() {
  // Explicit testing library option
  if (_config.config.testingLibrary) {
    if (_config.config.testingLibrary === 'react-native') {
      if (!RNTL) {
        throw new Error(`Unable to import '@testing-library/react-native' dependency`);
      }
      logger.verbose(`Using '@testing-library/react-native' to render components`);
      return RNTL;
    }
    if (_config.config.testingLibrary === 'react') {
      if (!RTL) {
        throw new Error(`Unable to import '@testing-library/react' dependency`);
      }
      logger.verbose(`Using '@testing-library/react' to render components`);
      return RTL;
    }
    if (typeof _config.config.testingLibrary === 'object' && typeof _config.config.testingLibrary.render === 'function' && typeof _config.config.testingLibrary.cleanup === 'function') {
      logger.verbose(`Using custom 'render' and 'cleanup' functions to render components`);
      return _config.config.testingLibrary;
    }
    throw new Error(`Unsupported 'testingLibrary' value. Please set 'testingLibrary' to one of following values: 'react-native', 'react' or { render, cleanup }.`);
  }

  // Testing library auto-detection
  if (RNTL != null && RTL != null) {
    logger.warn("Both '@testing-library/react-native' and '@testing-library/react' are installed. Using '@testing-library/react-native' by default.\n\nYou can resolve this warning by explicitly calling 'configure({ testingLibrary: 'react-native' })' or 'configure({ testingLibrary: 'react' })' in your test setup file.");
    return RNTL;
  }
  if (RNTL != null) {
    logger.verbose(`Using '@testing-library/react-native' to render components`);
    return RNTL;
  }
  if (RTL != null) {
    logger.verbose(`Using '@testing-library/react' to render components`);
    return RTL;
  }
  throw new Error(`Unable to import neither '@testing-library/react-native' nor '@testing-library/react'.` + `\nAdd either of these testing libraries to your 'package.json'`);
}
function getTestingLibrary() {
  if (typeof _config.config.testingLibrary === 'string') {
    return _config.config.testingLibrary;
  }
  if (RNTL != null) {
    return 'react-native';
  }
  if (RTL != null) {
    return 'react';
  }
  return null;
}
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