Fixes https://github.com/facebookincubator/create-react-app/issues/952 (#953)

packages/eslint-config-react-app/index.js

@@ -44,7 +44,7 @@ module.exports = {
   settings: {
     'import/ignore': [
       'node_modules',
-      '\\.(json|css|jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$',
+      '\\.(json|css|ico|jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$',
     ],
     'import/extensions': ['.js'],
     'import/resolver': {

packages/react-scripts/utils/createJestConfig.js

@@ -21,7 +21,7 @@ module.exports = (resolve, rootDir, isEjecting) => {
     collectCoverageFrom: ['src/**/*.{js,jsx}'],
     moduleFileExtensions: ['jsx', 'js', 'json'],
     moduleNameMapper: {
-      '^.+\\.(jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$': resolve('config/jest/FileStub.js'),
+      '^.+\\.(ico|jpg|jpeg|png|gif|eot|otf|webp|svg|ttf|woff|woff2|mp4|webm|wav|mp3|m4a|aac|oga)$': resolve('config/jest/FileStub.js'),
       '^.+\\.css$': resolve('config/jest/CSSStub.js')
     },
     setupFiles: [resolve('config/polyfills.js')],