diff --git a/packages/react/__tests__/__snapshots__/PublicAPI-test.js.snap b/packages/react/__tests__/__snapshots__/PublicAPI-test.js.snap
index d051a2ee425f..10e306cb97ef 100644
--- a/packages/react/__tests__/__snapshots__/PublicAPI-test.js.snap
+++ b/packages/react/__tests__/__snapshots__/PublicAPI-test.js.snap
@@ -875,6 +875,24 @@ Map {
},
},
"ContentSwitcher" => Object {
+ "contextType": Object {
+ "$$typeof": Symbol(react.context),
+ "Consumer": Object {
+ "$$typeof": Symbol(react.context),
+ "_calculateChangedBits": null,
+ "_context": [Circular],
+ },
+ "Provider": Object {
+ "$$typeof": Symbol(react.provider),
+ "_context": [Circular],
+ },
+ "_calculateChangedBits": null,
+ "_currentRenderer": null,
+ "_currentRenderer2": null,
+ "_currentValue": "bx",
+ "_currentValue2": "bx",
+ "_threadCount": 0,
+ },
"defaultProps": Object {
"onChange": [Function],
"selectedIndex": 0,
diff --git a/packages/react/src/components/Accordion/Accordion.Skeleton.js b/packages/react/src/components/Accordion/Accordion.Skeleton.js
index 4767ddba9092..bf775e43e449 100644
--- a/packages/react/src/components/Accordion/Accordion.Skeleton.js
+++ b/packages/react/src/components/Accordion/Accordion.Skeleton.js
@@ -9,13 +9,12 @@ import PropTypes from 'prop-types';
import React from 'react';
import cx from 'classnames';
import { ChevronRight16 } from '@carbon/icons-react';
-import { settings } from 'carbon-components';
import SkeletonText from '../SkeletonText';
import deprecate from '../../prop-types/deprecate';
-
-const { prefix } = settings;
+import { usePrefix } from '../../internal/usePrefix';
function AccordionSkeleton({ align, open, count, className, ...rest }) {
+ const prefix = usePrefix();
const classes = cx(`${prefix}--accordion`, `${prefix}--skeleton`, className, {
[`${prefix}--accordion--${align}`]: align,
});
@@ -77,6 +76,7 @@ AccordionSkeleton.defaultProps = {
};
function AccordionSkeletonItem() {
+ const prefix = usePrefix();
return (
diff --git a/packages/react/src/components/Accordion/Accordion.js b/packages/react/src/components/Accordion/Accordion.js
index 5189ce87e207..18c173e71ffa 100644
--- a/packages/react/src/components/Accordion/Accordion.js
+++ b/packages/react/src/components/Accordion/Accordion.js
@@ -5,13 +5,11 @@
* LICENSE file in the root directory of this source tree.
*/
-import { settings } from 'carbon-components';
import cx from 'classnames';
+import { usePrefix } from '../../internal/usePrefix';
import PropTypes from 'prop-types';
import React from 'react';
-const { prefix } = settings;
-
function Accordion({
align,
children,
@@ -20,6 +18,7 @@ function Accordion({
size,
...rest
}) {
+ const prefix = usePrefix();
const className = cx(`${prefix}--accordion`, customClassName, {
[`${prefix}--accordion--${align}`]: align,
[`${prefix}--accordion--${size}`]: size,
diff --git a/packages/react/src/components/ContentSwitcher/ContentSwitcher-test.js b/packages/react/src/components/ContentSwitcher/ContentSwitcher-test.js
index f4e9c053d6cf..ce1b5ab25176 100644
--- a/packages/react/src/components/ContentSwitcher/ContentSwitcher-test.js
+++ b/packages/react/src/components/ContentSwitcher/ContentSwitcher-test.js
@@ -9,9 +9,6 @@ import React from 'react';
import ContentSwitcher from '../ContentSwitcher';
import Switch from '../Switch';
import { mount, shallow } from 'enzyme';
-import { settings } from 'carbon-components';
-
-const { prefix } = settings;
describe('ContentSwitcher', () => {
describe('component initial rendering', () => {
@@ -24,10 +21,6 @@ describe('ContentSwitcher', () => {
const children = wrapper.find(Switch);
- it('should have the correct class', () => {
- expect(wrapper.hasClass(`${prefix}--content-switcher`)).toEqual(true);
- });
-
it('should render children as expected', () => {
expect(children.length).toEqual(2);
});
diff --git a/packages/react/src/components/ContentSwitcher/ContentSwitcher.js b/packages/react/src/components/ContentSwitcher/ContentSwitcher.js
index 4e667238da34..cd044d232ea2 100644
--- a/packages/react/src/components/ContentSwitcher/ContentSwitcher.js
+++ b/packages/react/src/components/ContentSwitcher/ContentSwitcher.js
@@ -8,12 +8,10 @@
import PropTypes from 'prop-types';
import React from 'react';
import classNames from 'classnames';
-import { settings } from 'carbon-components';
import { composeEventHandlers } from '../../tools/events';
import { getNextIndex, matches, keys } from '../../internal/keyboard';
import deprecate from '../../prop-types/deprecate';
-
-const { prefix } = settings;
+import { PrefixContext } from '../../internal/usePrefix';
export default class ContentSwitcher extends React.Component {
/**
@@ -68,6 +66,8 @@ export default class ContentSwitcher extends React.Component {
size: PropTypes.oneOf(['sm', 'md', 'lg', 'xl']),
};
+ static contextType = PrefixContext;
+
static defaultProps = {
selectedIndex: 0,
selectionMode: 'automatic',
@@ -130,6 +130,7 @@ export default class ContentSwitcher extends React.Component {
};
render() {
+ const prefix = this.context;
const {
children,
className,
diff --git a/packages/react/src/internal/__tests__/usePrefix-test.js b/packages/react/src/internal/__tests__/usePrefix-test.js
new file mode 100644
index 000000000000..ec1782d15b52
--- /dev/null
+++ b/packages/react/src/internal/__tests__/usePrefix-test.js
@@ -0,0 +1,40 @@
+/**
+ * Copyright IBM Corp. 2020
+ *
+ * This source code is licensed under the Apache-2.0 license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import { cleanup, render } from '@testing-library/react';
+import React from 'react';
+import { usePrefix, PrefixContext } from '../usePrefix';
+
+describe('usePrefix', () => {
+ afterEach(cleanup);
+
+ it('should emit the default prefix without context', () => {
+ let value = null;
+
+ function TestComponent() {
+ value = usePrefix();
+ return null;
+ }
+
+ render();
+ expect(value).toBe('bx');
+ });
+
+ it('should emit the prefix in context', () => {
+ function TestComponent() {
+ return test;
+ }
+
+ const { getByTestId } = render(
+
+
+
+ );
+
+ expect(getByTestId('test')).toHaveTextContent('test');
+ });
+});
diff --git a/packages/react/src/internal/usePrefix.js b/packages/react/src/internal/usePrefix.js
new file mode 100644
index 000000000000..ce58521d49e9
--- /dev/null
+++ b/packages/react/src/internal/usePrefix.js
@@ -0,0 +1,15 @@
+/**
+ * Copyright IBM Corp. 2016, 2018
+ *
+ * This source code is licensed under the Apache-2.0 license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import { settings } from 'carbon-components';
+import React from 'react';
+
+export const PrefixContext = React.createContext(settings.prefix);
+
+export function usePrefix() {
+ return React.useContext(PrefixContext);
+}