feat: support core-js >=2.0.0 < 4.0.0 (#246)

__tests__/CoreJS-es6-reflect.test.ts

@@ -0,0 +1,44 @@
+describe('importing ES6 reflect', () => {
+
+  let setMocks = () => {
+    jest.mock('@angular/core/testing', () => ({ getTestBed: () => ({ initTestEnvironment() { } }) }), { virtual: true })
+    jest.mock('@angular/platform-browser-dynamic/testing', () => ({ BrowserDynamicTestingModule: null, platformBrowserDynamicTesting: () => { } }), { virtual: true })
+    jest.mock('zone.js/dist/zone.js', () => true, { virtual: true });
+    jest.mock('zone.js/dist/proxy.js', () => true, { virtual: true });
+    jest.mock('zone.js/dist/sync-test', () => true, { virtual: true });
+    jest.mock('zone.js/dist/async-test', () => true, { virtual: true });
+    jest.mock('zone.js/dist/fake-async-test', () => true, { virtual: true });
+    jest.mock('../zone-patch', () => true, { virtual: true });
+
+    jest.mock('core-js/es7/reflect', () => true, { virtual: true });
+    jest.mock('core-js/proposals/reflect-metadata', () => true, { virtual: true });
+  }
+
+  let coreJs2Error = new Error('core-js@3 es6 reflect failed');
+  let coreJs3Error = new Error('core-js@2 es6 reflect failed');
+
+  beforeEach(() => setMocks());
+  afterEach(() => jest.resetAllMocks());
+
+  it('should throw if core-js es6-reflect is not installed', () => {
+    jest.mock('core-js/es6/reflect', () => { throw coreJs2Error }, { virtual: true });
+    jest.mock('core-js/es/reflect', () => { throw coreJs3Error }, { virtual: true });
+
+    expect(() => require('../setupJest')).toThrow('core-js es6-reflect not found!');
+  });
+
+  it('should import from core-js@2', () => {
+    jest.mock('core-js/es6/reflect', () => true, { virtual: true });
+    jest.mock('core-js/es/reflect', () => { throw coreJs3Error }, { virtual: true });
+
+    expect(() => require('../setupJest')).not.toThrow();
+  });
+
+ it('should import from core-js@3', () => {
+    jest.mock('core-js/es6/reflect', () => { throw coreJs2Error }, { virtual: true });
+    jest.mock('core-js/es/reflect', () => true, { virtual: true });
+
+    expect(() => require('../setupJest')).not.toThrow();
+  });
+
+});

__tests__/CoreJS-es7-reflect.test.ts

@@ -0,0 +1,44 @@
+describe('importing ES7 reflect', () => {
+
+  let setMocks = () => {
+    jest.mock('@angular/core/testing', () => ({ getTestBed: () => ({ initTestEnvironment() { } }) }), { virtual: true })
+    jest.mock('@angular/platform-browser-dynamic/testing', () => ({ BrowserDynamicTestingModule: null, platformBrowserDynamicTesting: () => { } }), { virtual: true })
+    jest.mock('zone.js/dist/zone.js', () => true, { virtual: true });
+    jest.mock('zone.js/dist/proxy.js', () => true, { virtual: true });
+    jest.mock('zone.js/dist/sync-test', () => true, { virtual: true });
+    jest.mock('zone.js/dist/async-test', () => true, { virtual: true });
+    jest.mock('zone.js/dist/fake-async-test', () => true, { virtual: true });
+    jest.mock('../zone-patch', () => true, { virtual: true });
+
+    jest.mock('core-js/es6/reflect', () => true, { virtual: true });
+    jest.mock('core-js/es/reflect', () => true, { virtual: true });
+  }
+
+  let coreJs2Error = new Error('core-js@2 es7 reflect failed');
+  let coreJs3Error = new Error('core-js@3 es7 reflect failed');
+
+  beforeEach(() => setMocks());
+  afterEach(() => jest.resetAllMocks());
+
+  it('should throw if core-js es7-reflect is not installed', () => {
+    jest.mock('core-js/es7/reflect', () => { throw coreJs2Error }, { virtual: true });
+    jest.mock('core-js/proposals/reflect-metadata', () => { throw coreJs3Error }, { virtual: true });
+
+    expect(() => require('../setupJest')).toThrow('core-js es7-reflect not found!');
+  });
+
+  it('should import from core-js@2', () => {
+    jest.mock('core-js/es7/reflect', () => true, { virtual: true });
+    jest.mock('core-js/proposals/reflect-metadata', () => { throw coreJs3Error }, { virtual: true });
+
+    expect(() => require('../setupJest')).not.toThrow();
+  });
+
+  it('should import from core-js@3', () => {
+    jest.mock('core-js/es7/reflect', () => { throw coreJs2Error }, { virtual: true });
+    jest.mock('core-js/proposals/reflect-metadata', () => true, { virtual: true });
+
+    expect(() => require('../setupJest')).not.toThrow();
+  });
+
+});

__tests__/tsconfig.spec.json

@@ -5,6 +5,6 @@
     "target": "es5",
     "baseUrl": "",
     "allowJs": true,
-    "types": ["jest"]
+    "types": ["jest", "node"] 
   }
 }

example/package.json

@@ -24,7 +24,7 @@
     "@angular/platform-browser": "7.2.8",
     "@angular/platform-browser-dynamic": "7.2.8",
     "@angular/router": "7.2.8",
-    "core-js": "^2.5.7",
+    "core-js": "^2.0.0",
     "rxjs": "6.4.0",
     "zone.js": "0.8.29"
   },

example/yarn.lock

@@ -1771,7 +1771,7 @@ copy-webpack-plugin@4.6.0:
     p-limit "^1.0.0"
     serialize-javascript "^1.4.0"
 
-core-js@^2.4.0, core-js@^2.5.7:
+core-js@^2.0.0, core-js@^2.4.0:
   version "2.6.5"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.5.tgz#44bc8d249e7fb2ff5d00e0341a7ffb94fbf67895"
   integrity sha512-klh/kDpwX8hryYL14M9w/xei6vrv6sE8gTHDG7/T/+SEovB/G4ejwcfE/CBzO6Edsu+OETZMZ3wcX/EjUkrl5A==
@@ -3950,7 +3950,7 @@ jest-mock@^24.0.0:
   integrity sha512-sQp0Hu5fcf5NZEh1U9eIW2qD0BwJZjb63Yqd98PQJFvf/zzUTBoUAwv/Dc/HFeNHIw1f3hl/48vNn+j3STaI7A==
 
 "jest-preset-angular@file:..":
-  version "7.0.0"
+  version "7.0.1"
   dependencies:
     jest-environment-jsdom-thirteen "^1.0.0"
     ts-jest "^24.0.0"

package.json

@@ -11,14 +11,15 @@
     "ts-jest": "^24.0.0"
   },
   "devDependencies": {
-    "@types/jest": "^24.0.0",
-    "@types/node": "^11.0.0",
+    "@types/jest": "^24.0.11",
+    "@types/node": "^11.11.5",
     "jest": "^24.0.0",
     "typescript": "^3.2.1"
   },
   "peerDependencies": {
     "@angular/core": ">=2.0.0",
     "@angular/platform-browser-dynamic": ">=2.0.0",
+    "core-js": ">=2.0.0 < 4.0.0",
     "jest": "^24.1.0"
   },
   "jest": {

setupJest.js

@@ -1,19 +1,37 @@
-'use strict';	
+'use strict';
 
-require('core-js/es6/reflect');	
-require('core-js/es7/reflect');	
-require('zone.js/dist/zone.js');	
-require('zone.js/dist/proxy.js');	
-require('zone.js/dist/sync-test');	
-require('zone.js/dist/async-test');	
-require('zone.js/dist/fake-async-test');	
+try {
+  require('core-js/es6/reflect');
+} catch (e) {
+  try {
+    require('core-js/es/reflect');
+  } catch(e) {
+    throw new Error('core-js es6-reflect not found!');
+  }
+}
+
+try {
+  require('core-js/es7/reflect');
+} catch (e) {
+  try {
+    require('core-js/proposals/reflect-metadata');
+  } catch (e) {
+    throw new Error('core-js es7-reflect not found!');
+  }
+}
+
+require('zone.js/dist/zone.js');
+require('zone.js/dist/proxy.js');
+require('zone.js/dist/sync-test');
+require('zone.js/dist/async-test');
+require('zone.js/dist/fake-async-test');
 require('./zone-patch');
 
-const getTestBed = require('@angular/core/testing').getTestBed;	
-const BrowserDynamicTestingModule = require('@angular/platform-browser-dynamic/testing').BrowserDynamicTestingModule;	
-const platformBrowserDynamicTesting = require('@angular/platform-browser-dynamic/testing').platformBrowserDynamicTesting;	
+const getTestBed = require('@angular/core/testing').getTestBed;
+const BrowserDynamicTestingModule = require('@angular/platform-browser-dynamic/testing').BrowserDynamicTestingModule;
+const platformBrowserDynamicTesting = require('@angular/platform-browser-dynamic/testing').platformBrowserDynamicTesting;
 
-getTestBed().initTestEnvironment(	
-  BrowserDynamicTestingModule,	
-  platformBrowserDynamicTesting()	
+getTestBed().initTestEnvironment(
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting()
 );

yarn.lock

@@ -136,17 +136,17 @@
   resolved "https://registry.yarnpkg.com/@types/jest-diff/-/jest-diff-20.0.1.tgz#35cc15b9c4f30a18ef21852e255fdb02f6d59b89"
   integrity sha512-yALhelO3i0hqZwhjtcr6dYyaLoCHbAMshwtj6cGxTvHZAKXHsYGdff6E8EPw3xLKY0ELUTQ69Q1rQiJENnccMA==
 
-"@types/jest@^24.0.0":
-  version "24.0.9"
-  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-24.0.9.tgz#74ce9cf337f25e189aa18f76ab3d65e8669b55f2"
-  integrity sha512-k3OOeevcBYLR5pdsOv5g3OP94h3mrJmLPHFEPWgbbVy2tGv0TZ/TlygiC848ogXhK8NL0I5up7YYtwpCp8xCJA==
+"@types/jest@^24.0.11":
+  version "24.0.11"
+  resolved "https://registry.yarnpkg.com/@types/jest/-/jest-24.0.11.tgz#1f099bea332c228ea6505a88159bfa86a5858340"
+  integrity sha512-2kLuPC5FDnWIDvaJBzsGTBQaBbnDweznicvK7UGYzlIJP4RJR2a4A/ByLUXEyEgag6jz8eHdlWExGDtH3EYUXQ==
   dependencies:
     "@types/jest-diff" "*"
 
-"@types/node@^11.0.0":
-  version "11.10.4"
-  resolved "https://registry.yarnpkg.com/@types/node/-/node-11.10.4.tgz#3f5fc4f0f322805f009e00ab35a2ff3d6b778e42"
-  integrity sha512-wa09itaLE8L705aXd8F80jnFpxz3Y1/KRHfKsYL2bPc0XF+wEWu8sR9n5bmeu8Ba1N9z2GRNzm/YdHcghLkLKg==
+"@types/node@^11.11.5":
+  version "11.11.5"
+  resolved "https://registry.yarnpkg.com/@types/node/-/node-11.11.5.tgz#0c57e12eb44d44e5b6735593925286553ee7cebf"
+  integrity sha512-pz6wNe/XwyesgfVX7P6B0hY3TnTAYXk6KSTLdpQfbuq3be+hnMoCuFzE+yLTskPdBwmNiGRL2TAsnF09aRugvQ==
 
 abab@^2.0.0:
   version "2.0.0"