Fix some files that were importing @webalt/react

package.json

@@ -69,6 +69,7 @@
     "eslint": "^6.0.1",
     "eslint-plugin-jest": "^22.11.1",
     "eslint-plugin-react": "^7.14.2",
+    "glob": "^7.1.4",
     "html-loader": "^0.5.5",
     "html-webpack-harddisk-plugin": "^1.0.1",
     "html-webpack-plugin": "^3.0.7",

src/Button/Button.styles.js

 import Color from 'color';
-import multiplyUnit from '@webalt/react/utils/multiplyUnit';
+import multiplyUnit from '../utils/multiplyUnit';
 
 export default theme => ({
   root: {

src/IconButton/IconButton.styles.js

-import multiplyUnit from '@webalt/react/utils/multiplyUnit';
+import multiplyUnit from '../utils/multiplyUnit';
 
 export default theme => ({
   root: {

src/index.test.js

+import fs from 'fs';
+import glob from 'glob';
+import path from 'path';
+
+describe('@webalt/react', () => {
+  it('must not use "@webalt/react" in imports', () => {
+    const files = glob.sync(path.join(__dirname, './**/*.js'), {
+      ignore: ['**/demos/*.js', '**/*.test.js']
+    });
+
+    const regex = /^.+from\s*['"]@webalt\/react.+$/m;
+
+    files.forEach(file => {
+      const fileContent = fs.readFileSync(file).toString();
+
+      try {
+        expect(fileContent).not.toMatch(regex);
+      } catch (e) {
+        const errors = fileContent.split('\n').reduce((result, line, index) => {
+          const r = regex.exec(line);
+
+          if (r !== null) {
+            return [
+              ...result,
+              `Line ${String(index + 1).padStart(2)} : ${r[0].trim()}`
+            ];
+          }
+
+          return result;
+        }, []);
+
+        throw new Error(
+          `File "${file}" must not import "@webalt/react"\n\n` +
+            errors.join('\n'),
+          e
+        );
+      }
+    });
+  });
+});

yarn.lock

@@ -3262,7 +3262,7 @@ glob@^7.0.0, glob@^7.0.3, glob@^7.1.3:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.1.1, glob@^7.1.2:
+glob@^7.1.1, glob@^7.1.2, glob@^7.1.4:
   version "7.1.4"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
   integrity sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==