chore: refactoring analytics client to lock down public interface (#382)

* chore: refactoring analytics client to lock down public interface

* fix: ts-jest for core and plugins

Author: oscb

jest.config.js

@@ -1,6 +1,20 @@
+const { pathsToModuleNameMapper } = require('ts-jest/utils');
+const { compilerOptions } = require('./tsconfig');
+
 module.exports = {
   preset: 'react-native',
   setupFiles: ['./packages/core/src/__tests__/__helpers__/setup.js'],
   testPathIgnorePatterns: ['./packages/core/src/__tests__/__helpers__/'],
   modulePathIgnorePatterns: ['/lib/'],
+  globals: {
+    'ts-jest': {
+      tsconfig: 'tsconfig.json',
+    },
+  },
+  transform: {
+    '^.+\\.tsx?$': 'ts-jest',
+  },
+  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
+  modulePaths: [compilerOptions.baseUrl],
+  moduleNameMapper: pathsToModuleNameMapper(compilerOptions.paths),
 };

jesttemplate

@@ -0,0 +1,16 @@
+const { pathsToModuleNameMapper } = require('ts-jest/utils');
+const { compilerOptions } = require('./tsconfig');
+
+module.exports = {
+  preset: 'react-native',
+  roots: ['<rootDir>'],
+  setupFiles: ['../../core/src/__tests__/__helpers__/setup.js'],
+  testPathIgnorePatterns: ['.../../core/src/__tests__/__helpers__/'],
+  modulePathIgnorePatterns: ['/lib/'],
+  transform: {
+    '^.+\\.tsx?$': 'ts-jest',
+  },
+  moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json', 'node'],
+  modulePaths: [compilerOptions.baseUrl],
+  moduleNameMapper: pathsToModuleNameMapper(compilerOptions.paths),
+};

package.json

@@ -44,15 +44,16 @@
     "eslint-config-prettier": "^7.0.0",
     "eslint-plugin-prettier": "^3.1.3",
     "husky": "^4.2.5",
-    "jest": "^26.0.1",
+    "jest": "^27.3.1",
     "pod-install": "^0.1.27",
     "prettier": "^2.3.2",
     "react": "17.0.2",
     "react-native": "0.65.1",
     "react-native-builder-bob": "^0.18.1",
     "release-it": "^14.2.2",
     "release-it-yarn-workspaces": "^2.0.1",
-    "typescript": "^4.1.3"
+    "typescript": "^4.1.3",
+    "ts-jest": "^27.0.7"
   },
   "engines": {
     "node": ">=12"

packages/core/src/__tests__/__helpers__/mockPersistor.ts

@@ -0,0 +1,11 @@
+import type { Persistor } from 'redux-persist';
+
+export const mockPersistor: Persistor = {
+  pause: jest.fn(),
+  persist: jest.fn(),
+  flush: jest.fn(),
+  purge: jest.fn(),
+  dispatch: jest.fn(),
+  getState: jest.fn(),
+  subscribe: jest.fn(),
+};