Allow user-configurable links in header & sidebar

example/typedoc.json

@@ -10,5 +10,12 @@
     },
     "searchGroupBoosts": {
         "Classes": 1.5
+    },
+    "navigationLinks": {
+        "Docs": "https://typedoc.org/guides/overview",
+        "GitHub": "https://github.com/TypeStrong/typedoc"
+    },
+    "sidebarLinks": {
+        "API": "https://typedoc.org/api"
     }
 }

src/lib/output/themes/default/DefaultThemeRenderContext.ts

@@ -31,6 +31,7 @@ import {
     primaryNavigation,
     secondaryNavigation,
     settings,
+    sidebarLinks,
 } from "./partials/navigation";
 import { parameter } from "./partials/parameter";
 import { toolbar } from "./partials/toolbar";
@@ -105,6 +106,7 @@ export class DefaultThemeRenderContext {
     members = bind(members, this);
     membersGroup = bind(membersGroup, this);
     navigation = bind(navigation, this);
+    sidebarLinks = bind(sidebarLinks, this);
     settings = bind(settings, this);
     primaryNavigation = bind(primaryNavigation, this);
     secondaryNavigation = bind(secondaryNavigation, this);

src/lib/output/themes/default/partials/navigation.tsx

@@ -7,6 +7,7 @@ import type { DefaultThemeRenderContext } from "../DefaultThemeRenderContext";
 export function navigation(context: DefaultThemeRenderContext, props: PageEvent<Reflection>) {
     return (
         <>
+            {context.sidebarLinks()}
             {context.settings()}
             {context.primaryNavigation(props)}
             {context.secondaryNavigation(props)}
@@ -26,6 +27,20 @@ function buildFilterItem(context: DefaultThemeRenderContext, name: string, displ
     );
 }
 
+export function sidebarLinks(context: DefaultThemeRenderContext) {
+    const links = Object.entries(context.options.getValue("sidebarLinks"));
+    if (!links.length) return null;
+    return (
+        <nav id="tsd-sidebar-links" class="tsd-navigation">
+            {links.map(([label, url]) => (
+                <a href={url} target="_blank">
+                    {label}
+                </a>
+            ))}
+        </nav>
+    );
+}
+
 export function settings(context: DefaultThemeRenderContext) {
     const defaultFilters = context.options.getValue("visibilityFilters") as Record<string, boolean>;
 

src/lib/output/themes/default/partials/toolbar.tsx

@@ -8,24 +8,32 @@ export const toolbar = (context: DefaultThemeRenderContext, props: PageEvent<Ref
         <div class="tsd-toolbar-contents container">
             <div class="table-cell" id="tsd-search" data-base={context.relativeURL("./")}>
                 <div class="field">
-                    <label for="tsd-search-field" class="tsd-widget search no-caption">
+                    <label for="tsd-search-field" class="tsd-widget tsd-toolbar-icon search no-caption">
                         {context.icons.search()}
                     </label>
                     <input type="text" id="tsd-search-field" aria-label="Search" />
                 </div>
 
+                <div class="field">
+                    <div id="tsd-toolbar-links">
+                        {Object.entries(context.options.getValue("navigationLinks")).map(([label, url]) => (
+                            <a href={url}>{label}</a>
+                        ))}
+                    </div>
+                </div>
+
                 <ul class="results">
                     <li class="state loading">Preparing search index...</li>
                     <li class="state failure">The search index is not available</li>
                 </ul>
 
-                <a href={context.relativeURL("index.html")} class="title">
+                <a href={context.options.getValue("titleLink") ?? context.relativeURL("index.html")} class="title">
                     {props.project.name}
                 </a>
             </div>
 
             <div class="table-cell" id="tsd-widgets">
-                <a href="#" class="tsd-widget menu no-caption" data-toggle="menu" aria-label="Menu">
+                <a href="#" class="tsd-widget tsd-toolbar-icon menu no-caption" data-toggle="menu" aria-label="Menu">
                     {context.icons.menu()}
                 </a>
             </div>

src/lib/utils/options/declaration.ts

@@ -119,6 +119,9 @@ export interface TypeDocOptionMap {
     hideGenerator: boolean;
     searchInComments: boolean;
     cleanOutputDir: boolean;
+    titleLink: string;
+    navigationLinks: ManuallyValidatedOption<Record<string, string>>;
+    sidebarLinks: ManuallyValidatedOption<Record<string, string>>;
 
     commentStyle: typeof CommentStyle;
     blockTags: `@${string}`[];

src/lib/utils/options/sources/typedoc.ts

@@ -307,6 +307,49 @@ export function addTypeDocOptions(options: Pick<Options, "addDeclaration">) {
         type: ParameterType.Boolean,
         defaultValue: true,
     });
+    options.addDeclaration({
+        name: "titleLink",
+        help: "Set the link the title in the header points to. Defaults to the documentation homepage.",
+        type: ParameterType.String,
+    });
+    options.addDeclaration({
+        name: "navigationLinks",
+        help: "Defines links to be included in the header.",
+        type: ParameterType.Mixed,
+        defaultValue: {},
+        validate(value) {
+            if (!isObject(value)) {
+                throw new Error(
+                    `navigationLinks must be an object with string labels as keys and URL values.`
+                );
+            }
+
+            if (Object.values(value).some((x) => typeof x !== "string")) {
+                throw new Error(
+                    `All values of navigationLinks must be string URLs.`
+                );
+            }
+        },
+    });
+    options.addDeclaration({
+        name: "sidebarLinks",
+        help: "Defines links to be included in the sidebar.",
+        type: ParameterType.Mixed,
+        defaultValue: {},
+        validate(value) {
+            if (!isObject(value)) {
+                throw new Error(
+                    `sidebarLinks must be an object with string labels as keys and URL values.`
+                );
+            }
+
+            if (Object.values(value).some((x) => typeof x !== "string")) {
+                throw new Error(
+                    `All values of sidebarLinks must be string URLs.`
+                );
+            }
+        },
+    });
 
     ///////////////////////////
     ///// Comment Options /////

src/test/utils/options/default-options.test.ts

@@ -108,4 +108,32 @@ describe("Default Options", () => {
             doesNotThrow(() => opts.setValue("searchGroupBoosts", { Enum: 5 }));
         });
     });
+
+    describe("headerLinks", () => {
+        it("Should disallow non-objects", () => {
+            throws(() => opts.setValue("navigationLinks", null as never));
+        });
+
+        it("Should disallow non-strings", () => {
+            throws(() =>
+                opts.setValue("navigationLinks", {
+                    Home: true as any as string,
+                })
+            );
+        });
+    });
+
+    describe("sidebarLinks", () => {
+        it("Should disallow non-objects", () => {
+            throws(() => opts.setValue("sidebarLinks", null as never));
+        });
+
+        it("Should disallow non-strings", () => {
+            throws(() =>
+                opts.setValue("sidebarLinks", {
+                    Home: true as any as string,
+                })
+            );
+        });
+    });
 });

static/style.css

@@ -825,6 +825,15 @@ input[type="checkbox"]:checked ~ svg .tsd-checkbox-checkmark {
     padding-left: 5.5rem;
 }
 
+#tsd-sidebar-links a {
+    margin-top: 0;
+    margin-bottom: 0.5rem;
+    line-height: 1.25rem;
+}
+#tsd-sidebar-links a:last-of-type {
+    margin-bottom: 0;
+}
+
 a.tsd-index-link {
     margin: 0.25rem 0;
     font-size: 1rem;
@@ -978,7 +987,8 @@ a.tsd-index-link {
     right: -40px;
 }
 #tsd-search .field input,
-#tsd-search .title {
+#tsd-search .title,
+#tsd-toolbar-links a {
     transition: opacity 0.2s;
 }
 #tsd-search .results {
@@ -1022,7 +1032,8 @@ a.tsd-index-link {
     top: 0;
     opacity: 1;
 }
-#tsd-search.has-focus .title {
+#tsd-search.has-focus .title,
+#tsd-search.has-focus #tsd-toolbar-links a {
     z-index: 0;
     opacity: 0;
 }
@@ -1036,6 +1047,22 @@ a.tsd-index-link {
     display: block;
 }
 
+#tsd-toolbar-links {
+    position: absolute;
+    top: 0;
+    right: 2rem;
+    height: 100%;
+    display: flex;
+    align-items: center;
+    justify-content: flex-end;
+}
+#tsd-toolbar-links a {
+    margin-left: 1.5rem;
+}
+#tsd-toolbar-links a:hover {
+    text-decoration: underline;
+}
+
 .tsd-signature {
     margin: 0 0 1rem 0;
     padding: 1rem 0.5rem;
@@ -1134,6 +1161,11 @@ ul.tsd-type-parameter-list h5 {
 .tsd-page-toolbar .table-cell:first-child {
     width: 100%;
 }
+.tsd-page-toolbar .tsd-toolbar-icon {
+    box-sizing: border-box;
+    line-height: 0;
+    padding: 12px 0;
+}
 
 .tsd-page-toolbar--hide {
     transform: translateY(-100%);