add style and focus-trap mocks for jest

Signed-off-by: Maksim Sukharev <antreesy.web@gmail.com>

jest.config.js

@@ -59,6 +59,10 @@ module.exports = {
 		'vue',
 	],
 
+	moduleNameMapper: {
+		'\\.(css|scss)$': '<rootDir>/src/__mocks__/styles.js',
+	},
+
 	transform: {
 		// process `*.js` files with `babel-jest`
 		'.*\\.(js)$': 'babel-jest',

src/__mocks__/styles.js

@@ -0,0 +1 @@
+module.exports = {}

src/__mocks__/tabbable.js

@@ -0,0 +1,12 @@
+// https://github.com/focus-trap/tabbable#testing-in-jsdom
+const lib = jest.requireActual('tabbable')
+
+const tabbable = {
+	...lib,
+	tabbable: (node, options) => lib.tabbable(node, { ...options, displayCheck: 'none' }),
+	focusable: (node, options) => lib.focusable(node, { ...options, displayCheck: 'none' }),
+	isFocusable: (node, options) => lib.isFocusable(node, { ...options, displayCheck: 'none' }),
+	isTabbable: (node, options) => lib.isTabbable(node, { ...options, displayCheck: 'none' }),
+}
+
+module.exports = tabbable