From f165af9a1c641da0be53a75f14f6a759a871c7cd Mon Sep 17 00:00:00 2001
From: Kenneth Sundqvist <kenneth@kesu.se>
Date: Mon, 30 Dec 2019 13:23:07 +0100
Subject: [PATCH] Allow node_modules to be mocked as described in the Jest
documentation
---
.../react-scripts/scripts/utils/createJestConfig.js | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/packages/react-scripts/scripts/utils/createJestConfig.js b/packages/react-scripts/scripts/utils/createJestConfig.js
index 5c17ad69a..7b18f47a6 100644
--- a/packages/react-scripts/scripts/utils/createJestConfig.js
+++ b/packages/react-scripts/scripts/utils/createJestConfig.js
@@ -8,6 +8,7 @@
'use strict';
const fs = require('fs');
+const path = require('path');
const chalk = require('react-dev-utils/chalk');
const paths = require('../../config/paths');
const modules = require('../../config/modules');
@@ -22,8 +23,17 @@ module.exports = (resolve, rootDir, isEjecting) => {
? `<rootDir>/src/setupTests.${setupTestsFileExtension}`
: undefined;
+ const roots = ['<rootDir>/src'];
+
+ const nodeMocksRootPath = path.join(rootDir || paths.appPath, '__mocks__');
+ const nodeMocksRootStats =
+ fs.existsSync(nodeMocksRootPath) && fs.statSync(nodeMocksRootPath);
+ if (nodeMocksRootStats && nodeMocksRootStats.isDirectory()) {
+ roots.push('<rootDir>/__mocks__');
+ }
+
const config = {
- roots: ['<rootDir>/src'],
+ roots,
collectCoverageFrom: ['src/**/*.{js,jsx,ts,tsx}', '!src/**/*.d.ts'],
--
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