feat: add extractSectionsFromArticleEdges to lux (#117)

* defaultProps public

* stuff

package.json

@@ -71,6 +71,7 @@
     "emotion": "^9.2.12",
     "emotion-server": "^9.2.12",
     "gatsby-plugin-emotion": "^2.0.5",
+    "lodash.uniq": "^4.5.0",
     "plyr": "^3.4.4",
     "react": "16.5.2",
     "react-dom": "16.5.2",

src/index.ts

@@ -5,7 +5,11 @@
 export { default as ArticleGrid } from './components/ArticleGrid'
 export { default as Article } from './components/Article'
 export { default as Byline } from './components/Byline'
-export { default as CoverPhoto } from './components/CoverPhoto'
+export {
+  default as CoverPhoto,
+  XPosition,
+  YPosition,
+} from './components/CoverPhoto'
 export { default as Footer } from './components/Footer'
 export { default as Head } from './components/Head'
 export { default as Headline } from './components/Headline'
@@ -19,3 +23,6 @@ export {
   default as convertEdgesToArticles,
   ArticleCardData,
 } from './utils/convertEdgesToArticles'
+export {
+  default as extractSectionsFromArticleEdges,
+} from './utils/extractSectionsFromArticleEdges'

src/utils/extractSectionsFromArticleEdges/index.ts

@@ -0,0 +1,28 @@
+import * as uniq from 'lodash.uniq'
+
+/**
+ * A function that takes in a string and capitalizes the first letter of each word.
+ * @author Dustin Newman
+ * @export
+ * @param {string} The string.
+ * @returns {string} A capitalized string.
+ */
+function capitalizeSection(section: string): string {
+  if (section.length === 0) {
+    return ''
+  }
+
+  if (section === 'prime') {
+    return 'prime'
+  }
+
+  return section
+    .toLowerCase()
+    .split(' ')
+    .map(word => word.charAt(0).toUpperCase() + word.substring(1))
+    .join(' ')
+}
+
+export default function extractSectionsFromArticleEdges(edges: any): string[] {
+  return uniq(edges.map(edge => capitalizeSection(edge.node.section)))
+}