Merge pull request #2 from StevanFreeborn/feat/update-nav-dropdown-on-scroll

Feat: Update Nav Dropdown on Scroll

src/app/components/Main.tsx

@@ -1,7 +1,7 @@
 'use client';
 
 import { Fragment } from 'react';
-import { themes, useThemeContext } from '../theme';
+import { themes, useThemeContext } from '../context/theme';
 import { DocSection } from '../types/types';
 import styles from './Main.module.css';
 import Section from './Section';

src/app/components/NavBar.module.css

@@ -77,28 +77,6 @@
   }
 }
 
-.dropdownSelect {
-  color: #64adac;
-  background-color: inherit;
-  border: none;
-  border-radius: 5px;
-  cursor: pointer;
-  font-size: 1rem;
-  font-weight: bold;
-  padding: 0 1rem;
-}
-
-.dropdownSelect:focus-visible {
-  outline: none;
-}
-
-.selectItem {
-  color: #64adac;
-  cursor: pointer;
-  font-weight: bold;
-  margin: 1rem;
-}
-
 .navbarToggle {
   cursor: pointer;
   display: none;

src/app/components/NavBar.tsx

@@ -1,10 +1,11 @@
 'use client';
 
 import Link from 'next/link';
-import { Fragment, useState } from 'react';
-import { themes, useThemeContext } from '../theme';
-import { Doc, DocsStructure } from '../types/types';
+import { useState } from 'react';
+import { themes, useThemeContext } from '../context/theme';
+import { DocsStructure } from '../types/types';
 import styles from './NavBar.module.css';
+import SectionDropdown from './SectionDropdown';
 
 function VersionsDropdown({
   version,
@@ -94,61 +95,6 @@ function VersionsDropdown({
   );
 }
 
-function SectionDropdownGroup({ doc }: { doc: Doc }) {
-  return (
-    <Fragment>
-      {doc.copy && doc.example && (
-        <option
-          className={styles.selectItem}
-          label={doc.title}
-        >
-          {doc.title}
-        </option>
-      )}
-      {doc.children && doc.children.length > 0 && (
-        <optgroup label={doc.title}>
-          {doc.children.map(child => (
-            <option
-              className={styles.selectItem}
-              label={child.title}
-              key={child.title}
-            >
-              {child.title}
-            </option>
-          ))}
-        </optgroup>
-      )}
-    </Fragment>
-  );
-}
-
-function SectionDropdown({
-  version,
-}: {
-  version: DocsStructure;
-}) {
-  const handleSelectChange = (e: any) => {
-    const selectedOption = e.target.value;
-    location.hash = selectedOption
-      .replaceAll(' ', '-')
-      .toLowerCase();
-  };
-
-  return (
-    <select
-      onChange={handleSelectChange}
-      title="navigation dropdown"
-      className={styles.dropdownSelect}
-    >
-      {version.docs.map(doc => {
-        return (
-          <SectionDropdownGroup doc={doc} key={doc.title} />
-        );
-      })}
-    </select>
-  );
-}
-
 export default function NavBar({
   version,
 }: {

src/app/components/Page.tsx

@@ -1,6 +1,8 @@
 'use client';
 
-import { themes, useThemeContext } from '../theme';
+import { useEffect } from 'react';
+import { useSectionContext } from '../context/section';
+import { themes, useThemeContext } from '../context/theme';
 import { DocSection, DocsStructure } from '../types/types';
 import Main from './Main';
 import NavBar from './NavBar';
@@ -17,6 +19,41 @@ export default function Page({
   const { theme } = useThemeContext();
   const themeStyles = themes[theme];
 
+  const { setSection } = useSectionContext();
+
+  useEffect(() => {
+    const titles =
+      document.querySelectorAll<HTMLHeadingElement>(
+        'article:nth-child(1) > h1'
+      );
+
+    const observer = new IntersectionObserver(
+      entries => {
+        entries.forEach(entry => {
+          if (entry.isIntersecting) {
+            setSection(entry.target.id);
+            history.pushState(
+              null,
+              '',
+              `#${entry.target.id}`
+            );
+          }
+        });
+      },
+      {
+        root: null,
+        rootMargin: '-10% 0% -70% 0%',
+        threshold: 1,
+      }
+    );
+
+    titles.forEach(title => observer.observe(title));
+
+    return () => {
+      titles.forEach(title => observer.unobserve(title));
+    };
+  }, [setSection]);
+
   return (
     <div className={styles.wrapper} style={themeStyles}>
       <SideBar version={version} />

src/app/components/SectionDropdown.module.css

@@ -0,0 +1,21 @@
+.dropdownSelect {
+  color: #64adac;
+  background-color: inherit;
+  border: none;
+  border-radius: 5px;
+  cursor: pointer;
+  font-size: 1rem;
+  font-weight: bold;
+  padding: 0 1rem;
+}
+
+.dropdownSelect:focus-visible {
+  outline: none;
+}
+
+.selectItem {
+  color: #64adac;
+  cursor: pointer;
+  font-weight: bold;
+  margin: 1rem;
+}

src/app/components/SectionDropdown.tsx

@@ -0,0 +1,61 @@
+import { useSectionContext } from '../context/section';
+import { Doc, DocsStructure } from '../types/types';
+import { toKebabCase } from '../utils/stringUtils';
+import styles from './SectionDropdown.module.css';
+
+export default function SectionDropdown({
+  version,
+}: {
+  version: DocsStructure;
+}) {
+  const { section, setSection } = useSectionContext();
+  const handleSelectChange = (e: any) => {
+    setSection(e.target.value);
+    location.hash = e.target.value;
+  };
+
+  const getAllDocs = (docs: Doc[]) => {
+    let result: Doc[] = [];
+
+    docs.forEach(doc => {
+      result.push(doc);
+
+      if (doc.children && doc.children.length > 0) {
+        result = result.concat(getAllDocs(doc.children));
+      }
+    });
+
+    return result;
+  };
+
+  const docs = getAllDocs(version.docs);
+
+  return (
+    <select
+      onChange={handleSelectChange}
+      title="navigation dropdown"
+      className={styles.dropdownSelect}
+      value={section}
+    >
+      {docs.map(doc => {
+        if (
+          doc.copy === undefined ||
+          doc.example === undefined
+        ) {
+          return null;
+        }
+
+        return (
+          <option
+            className={styles.selectItem}
+            label={doc.title}
+            value={toKebabCase(doc.title)}
+            key={doc.title}
+          >
+            {doc.title}
+          </option>
+        );
+      })}
+    </select>
+  );
+}

src/app/components/SideBar.tsx

@@ -2,8 +2,9 @@
 
 import Link from 'next/link.js';
 import { useState } from 'react';
-import { useThemeContext } from '../theme';
-import { Doc, DocsStructure } from '../types/types.js';
+import { useThemeContext } from '../context/theme';
+import { Doc, DocsStructure } from '../types/types';
+import { toKebabCase } from '../utils/stringUtils';
 import styles from './SideBar.module.css';
 
 function TreeNode({ doc }: { doc: Doc }) {
@@ -19,9 +20,7 @@ function TreeNode({ doc }: { doc: Doc }) {
         <div className={styles.expandable}>
           {doc.copy ? (
             <a
-              href={`#${doc.title
-                .replaceAll(' ', '-')
-                .toLowerCase()}`}
+              href={`#${toKebabCase(doc.title)}`}
               className={styles.link}
             >
               {doc.title}
@@ -66,9 +65,7 @@ function TreeNode({ doc }: { doc: Doc }) {
         </div>
       ) : doc.copy ? (
         <a
-          href={`#${doc.title
-            .replaceAll(' ', '-')
-            .toLowerCase()}`}
+          href={`#${toKebabCase(doc.title)}`}
           className={styles.link}
         >
           {doc.title}

src/app/context/section.tsx

@@ -0,0 +1,29 @@
+'use client';
+
+import {
+  ReactNode,
+  createContext,
+  useContext,
+  useState,
+} from 'react';
+
+const SectionContext = createContext({});
+
+export const SectionContextProvider = ({
+  children,
+}: {
+  children: ReactNode;
+}) => {
+  const [section, setSection] = useState('introduction');
+
+  return (
+    <SectionContext.Provider
+      value={{ section, setSection }}
+    >
+      {children}
+    </SectionContext.Provider>
+  );
+};
+
+export const useSectionContext: any = () =>
+  useContext(SectionContext);

src/app/layout.tsx

@@ -1,7 +1,8 @@
 import { Analytics } from '@vercel/analytics/react';
 import { ReactNode } from 'react';
+import { SectionContextProvider } from './context/section';
+import { ThemeContextProvider } from './context/theme';
 import './globals.css';
-import { ThemeContextProvider } from './theme';
 
 export const metadata = {
   title: 'Onspring API Docs',
@@ -30,7 +31,9 @@ export default function RootLayout({
     <html lang="en">
       <body>
         <ThemeContextProvider>
-          {children}
+          <SectionContextProvider>
+            {children}
+          </SectionContextProvider>
         </ThemeContextProvider>
         <Analytics />
       </body>

src/app/utils/stringUtils.ts

@@ -0,0 +1,3 @@
+export function toKebabCase(str: string): string {
+  return str.replaceAll(' ', '-').toLowerCase();
+}

src/docs/version_002/authentication/copy.md

@@ -1,4 +1,4 @@
-# Authentication {% #authentication %}
+# Authentication {% #authentication .section-title %}
 
 The Onpsring API uses API keys to authenticate requests. These keys are specific to a given Onspring instance. You can view and manage your API keys from within your instance.