fix: Switch converted to Object Literal (#940)

* updating a switch into object literal and fixed a couple linter errors

* added a comment about weird formatting

* style: use lodash get

* fix: pass eslint + puglint + jest

server/test/helpers/page.test.js

@@ -0,0 +1,43 @@
+const { injectPageMetadata } = require('../../helpers/page')
+
+describe('injectPageMetadata tests', () => {
+  let page = {
+    title: 'PAGE TITLE',
+    description: 'A PAGE',
+    isPublished: true,
+    updatedAt: new Date(),
+    content: 'TEST CONTENT'
+  }
+  test('injectPageMetadata: default', () => {
+    const expected = 'TEST CONTENT'
+    const result = injectPageMetadata(page)
+    expect(result).toEqual(expected)
+  })
+  test('injectPageMetadata: markdown', () => {
+    page.contentType = 'markdown'
+    const expected = `---
+title: ${page.title}
+description: ${page.description}
+published: ${page.isPublished.toString()}
+date: ${page.updatedAt}
+tags: \n---
+
+TEST CONTENT`
+    const result = injectPageMetadata(page)
+    expect(result).toEqual(expected)
+  })
+
+  test('injectPageMetadata: hmtl', () => {
+    page.contentType = 'html'
+    const expected = `<!--
+title: ${page.title}
+description: ${page.description}
+published: ${page.isPublished.toString()}
+date: ${page.updatedAt}
+tags: \n-->
+
+TEST CONTENT`
+    const result = injectPageMetadata(page)
+    expect(result).toEqual(expected)
+  })
+})