fix(createIcon): Fix broken API in createIcon.tsx

packages/react-icons/scripts/writeIcons.mjs

@@ -7,9 +7,9 @@ import { pfToRhIcons } from './icons/pfToRhIcons.mjs';
 import * as url from 'url';
 const __dirname = url.fileURLToPath(new URL('.', import.meta.url));
 
-// Import createIcon from compiled dist (build:esm must run first)
+// Import createIconBase from compiled dist (build:esm must run first)
 const createIconModule = await import('../dist/esm/createIcon.js');
-const createIcon = createIconModule.createIcon;
+const createIconBase = createIconModule.createIconBase;
 
 const outDir = join(__dirname, '../dist');
 const staticDir = join(outDir, 'static');
@@ -27,7 +27,7 @@ exports.${jsName}Config = {
   icon: ${JSON.stringify(icon)},
   rhUiIcon: ${rhUiIcon ? JSON.stringify(rhUiIcon) : 'null'},
 };
-exports.${jsName} = require('../createIcon').createIcon(exports.${jsName}Config);
+exports.${jsName} = require('../createIcon').createIconBase(exports.${jsName}Config);
 exports["default"] = exports.${jsName};
     `.trim()
   );
@@ -36,15 +36,15 @@ exports["default"] = exports.${jsName};
 const writeESMExport = (fname, jsName, icon, rhUiIcon = null) => {
   outputFileSync(
     join(outDir, 'esm/icons', `${fname}.js`),
-    `import { createIcon } from '../createIcon.js';
+    `import { createIconBase } from '../createIcon.js';
 
 export const ${jsName}Config = {
   name: '${jsName}',
   icon: ${JSON.stringify(icon)},
   rhUiIcon: ${rhUiIcon ? JSON.stringify(rhUiIcon) : 'null'},
 };
 
-export const ${jsName} = createIcon(${jsName}Config);
+export const ${jsName} = createIconBase(${jsName}Config);
 
 export default ${jsName};
     `.trim()
@@ -68,16 +68,16 @@ export default ${jsName};
 };
 
 /**
- * Generates a static SVG string from icon data using createIcon
+ * Generates a static SVG string from icon data using createIconBase
  * @param {string} iconName The name of the icon
  * @param {object} icon The icon data object
  * @returns {string} Static SVG markup
  */
 function generateStaticSVG(iconName, icon) {
   const jsName = `${toCamel(iconName)}Icon`;
 
-  // Create icon component using createIcon
-  const IconComponent = createIcon({
+  // Create icon component using createIconBase
+  const IconComponent = createIconBase({
     name: jsName,
     icon
   });

packages/react-icons/src/__tests__/createIcon.test.tsx

@@ -1,5 +1,12 @@
 import { render, screen } from '@testing-library/react';
-import { IconDefinition, CreateIconProps, createIcon, SVGPathObject } from '../createIcon';
+import {
+  IconDefinition,
+  CreateIconBaseProps,
+  createIcon,
+  createIconBase,
+  LegacyFlatIconDefinition,
+  SVGPathObject
+} from '../createIcon';
 
 const multiPathIcon: IconDefinition = {
   name: 'IconName',
@@ -28,24 +35,24 @@ const rhStandardIcon: IconDefinition = {
   svgClassName: 'pf-v6-icon-rh-standard'
 };
 
-const iconDef: CreateIconProps = {
+const iconDef: CreateIconBaseProps = {
   name: 'SinglePathIconName',
   icon: singlePathIcon
 };
 
-const iconDefWithArrayPath: CreateIconProps = {
+const iconDefWithArrayPath: CreateIconBaseProps = {
   name: 'MultiPathIconName',
   icon: multiPathIcon
 };
 
-const iconDefWithRhStandard: CreateIconProps = {
+const iconDefWithRhStandard: CreateIconBaseProps = {
   name: 'RhStandardIconName',
   icon: rhStandardIcon
 };
 
-const SVGIcon = createIcon(iconDef);
-const SVGArrayIcon = createIcon(iconDefWithArrayPath);
-const RhStandardIcon = createIcon(iconDefWithRhStandard);
+const SVGIcon = createIconBase(iconDef);
+const SVGArrayIcon = createIconBase(iconDefWithArrayPath);
+const RhStandardIcon = createIconBase(iconDefWithRhStandard);
 
 test('sets correct viewBox', () => {
   render(<SVGIcon />);
@@ -57,7 +64,37 @@ test('sets correct viewBox', () => {
 
 test('sets correct svgPath if string', () => {
   render(<SVGIcon />);
-  expect(screen.getByRole('img', { hidden: true }).querySelector('path')).toHaveAttribute('d', iconDef.svgPath);
+  expect(screen.getByRole('img', { hidden: true }).querySelector('path')).toHaveAttribute(
+    'd',
+    singlePathIcon.svgPathData
+  );
+});
+
+test('accepts legacy flat createIcon({ svgPath }) shape', () => {
+  const legacyDef: LegacyFlatIconDefinition = {
+    name: 'LegacyIcon',
+    width: 10,
+    height: 20,
+    svgPath: 'legacy-path',
+    svgClassName: 'legacy-svg'
+  };
+  const LegacySVGIcon = createIcon(legacyDef);
+  render(<LegacySVGIcon />);
+  expect(screen.getByRole('img', { hidden: true }).querySelector('path')).toHaveAttribute('d', 'legacy-path');
+});
+
+test('createIconBase accepts nested icon with deprecated svgPath field', () => {
+  const nestedLegacyPath: CreateIconBaseProps = {
+    name: 'NestedLegacyPathIcon',
+    icon: {
+      width: 8,
+      height: 8,
+      svgPath: 'nested-legacy-d'
+    }
+  };
+  const NestedIcon = createIconBase(nestedLegacyPath);
+  render(<NestedIcon />);
+  expect(screen.getByRole('img', { hidden: true }).querySelector('path')).toHaveAttribute('d', 'nested-legacy-d');
 });
 
 test('sets correct svgClassName by default', () => {
@@ -75,6 +112,15 @@ test('does not set svgClassName when noDefaultStyle is true', () => {
   expect(screen.getByRole('img', { hidden: true })).not.toHaveClass('pf-v6-icon-rh-standard');
 });
 
+test('throws when createIconBase omits icon', () => {
+  expect(() =>
+    createIconBase({
+      name: 'MissingDefaultIcon',
+      rhUiIcon: null
+    } as any)
+  ).toThrow('@patternfly/react-icons: createIconBase requires an `icon` definition (name: MissingDefaultIcon).');
+});
+
 test('sets correct svgPath if array', () => {
   render(<SVGArrayIcon />);
   const paths = screen.getByRole('img', { hidden: true }).querySelectorAll('path');
@@ -127,3 +173,79 @@ test('additional props should be spread to the root svg element', () => {
   render(<SVGIcon data-testid="icon" />);
   expect(screen.getByTestId('icon')).toBeInTheDocument();
 });
+
+describe('rh-ui mapping: nested SVGs, set prop, and warnings', () => {
+  const defaultPath = 'M0 0-default';
+  const rhUiPath = 'M0 0-rh-ui';
+
+  const defaultIconDef: IconDefinition = {
+    name: 'DefaultVariant',
+    width: 16,
+    height: 16,
+    svgPathData: defaultPath
+  };
+
+  const rhUiIconDef: IconDefinition = {
+    name: 'RhUiVariant',
+    width: 16,
+    height: 16,
+    svgPathData: rhUiPath
+  };
+
+  const dualConfig: CreateIconBaseProps = {
+    name: 'DualMappedIcon',
+    icon: defaultIconDef,
+    rhUiIcon: rhUiIconDef
+  };
+
+  const DualMappedIcon = createIconBase(dualConfig);
+
+  test('renders two nested inner svgs when rhUiIcon is set and `set` is omitted (swap layout)', () => {
+    render(<DualMappedIcon />);
+    const root = screen.getByRole('img', { hidden: true });
+    expect(root).toHaveClass('pf-v6-svg');
+    const innerSvgs = root.querySelectorAll(':scope > svg');
+    expect(innerSvgs).toHaveLength(2);
+    expect(root?.querySelector('.pf-v6-icon-default path')).toHaveAttribute('d', defaultPath);
+    expect(root?.querySelector('.pf-v6-icon-rh-ui path')).toHaveAttribute('d', rhUiPath);
+  });
+
+  test('set="default" renders a single flat svg using the default icon paths', () => {
+    render(<DualMappedIcon set="default" />);
+    const root = screen.getByRole('img', { hidden: true });
+    expect(root.querySelectorAll(':scope > svg')).toHaveLength(0);
+    expect(root).toHaveAttribute('viewBox', '0 0 16 16');
+    expect(root.querySelector('path')).toHaveAttribute('d', defaultPath);
+    expect(root.querySelectorAll('svg')).toHaveLength(0);
+  });
+
+  test('set="rh-ui" renders a single flat svg using the rh-ui icon paths', () => {
+    render(<DualMappedIcon set="rh-ui" />);
+    const root = screen.getByRole('img', { hidden: true });
+    expect(root.querySelectorAll(':scope > svg')).toHaveLength(0);
+    expect(root.querySelector('path')).toHaveAttribute('d', rhUiPath);
+    expect(root.querySelectorAll('svg')).toHaveLength(0);
+  });
+
+  test('set="rh-ui" with no rhUiIcon mapping falls back to default and warns', () => {
+    const warnSpy = jest.spyOn(console, 'warn').mockImplementation(() => {});
+    try {
+      const IconNoRhMapping = createIconBase({
+        name: 'NoRhMappingIcon',
+        icon: defaultIconDef,
+        rhUiIcon: null
+      });
+
+      render(<IconNoRhMapping set="rh-ui" />);
+
+      expect(warnSpy).toHaveBeenCalledWith(
+        'Set "rh-ui" was provided for NoRhMappingIcon, but no rh-ui icon data exists for this icon. The default icon will be rendered.'
+      );
+      const root = screen.getByRole('img', { hidden: true });
+      expect(root.querySelector('path')).toHaveAttribute('d', defaultPath);
+      expect(root.querySelectorAll('svg')).toHaveLength(0);
+    } finally {
+      warnSpy.mockRestore();
+    }
+  });
+});