Added support for version selector

docs/setup/setting-up-versioning.md

@@ -18,7 +18,6 @@ documentation remain untouched.
 [:octicons-file-code-24: Source][2] ·
 [:octicons-package-24: Utility][1] ·
 :octicons-beaker-24: Experimental ·
-[:octicons-heart-fill-24:{: .tx-heart } Insiders only][2]{: .tx-insiders }
 
 [mike][1] makes it easy to deploy multiple versions of your project
 documentation. It integrates natively with Material for MkDocs and can be
@@ -27,7 +26,7 @@ enabled via `mkdocs.yml`:
 ``` yaml
 extra:
   version:
-    method: mike
+    provider: mike
 ```
 
 This will render a version selector in the header next to the title of your
@@ -62,7 +61,7 @@ _Note that you don't need to run_ `mike install-extras` _as noted in the
 [official documentation][6], as [mike][1] is now natively integrated with
 Material for MkDocs._
 
-  [2]: ../insiders.md
+  [2]: https://github.com/squidfunk/mkdocs-material/blob/master/src/partials/header.html
   [3]: ../assets/screenshots/versioning.png
   [4]: https://squidfunk.github.io/mkdocs-material-example-versioning/
   [5]: https://github.com/jimporter/mike#why-use-mike

material/base.html

@@ -39,7 +39,7 @@
       {% endif %}
     {% endblock %}
     {% block styles %}
-      <link rel="stylesheet" href="{{ 'assets/stylesheets/main.793c28ab.min.css' | url }}">
+      <link rel="stylesheet" href="{{ 'assets/stylesheets/main.3149646c.min.css' | url }}">
       {% if config.theme.palette %}
         {% set palette = config.theme.palette %}
         <link rel="stylesheet" href="{{ 'assets/stylesheets/palette.7fa14f5b.min.css' | url }}">
@@ -192,6 +192,7 @@ <h1>{{ page.title | d(config.site_name, true)}}</h1>
         "features": features,
         "translations": {},
         "search": "assets/javascripts/workers/search.217ffd95.min.js" | url,
+        "version": config.extra.version or None
       } -%}
       {%- set translations = app.translations -%}
       {%- for key in [
@@ -216,7 +217,7 @@ <h1>{{ page.title | d(config.site_name, true)}}</h1>
       </script>
     {% endblock %}
     {% block scripts %}
-      <script src="{{ 'assets/javascripts/bundle.f3bc8daa.min.js' | url }}"></script>
+      <script src="{{ 'assets/javascripts/bundle.d349485d.min.js' | url }}"></script>
       {% for path in config["extra_javascript"] %}
         <script src="{{ path | url }}"></script>
       {% endfor %}

material/overrides/main.html

@@ -53,5 +53,5 @@
 {% endblock %}
 {% block scripts %}
   {{ super() }}
-  <script src="{{ 'overrides/assets/javascripts/bundle.c0db31d2.min.js' | url }}"></script>
+  <script src="{{ 'overrides/assets/javascripts/bundle.711bd5c6.min.js' | url }}"></script>
 {% endblock %}

src/assets/javascripts/_/index.ts

@@ -64,6 +64,13 @@ export type Translations = Record<Translation, string>
 
 /* ------------------------------------------------------------------------- */
 
+/**
+ * Versioning
+ */
+export interface Versioning {
+  provider: "mike"                     /* Version provider */
+}
+
 /**
  * Configuration
  */
@@ -72,6 +79,7 @@ export interface Config {
   features: Flag[]                     /* Feature flags */
   translations: Translations           /* Translations */
   search: string                       /* Search worker URL */
+  version?: Versioning                 /* Versioning */
 }
 
 /* ----------------------------------------------------------------------------

src/assets/javascripts/browser/request/index.ts

@@ -41,9 +41,9 @@ import {
  * @returns Response observable
  */
 export function request(
-  url: string, options: RequestInit = { credentials: "same-origin" }
+  url: URL | string, options: RequestInit = { credentials: "same-origin" }
 ): Observable<Response> {
-  return from(fetch(url, options))
+  return from(fetch(url.toString(), options))
     .pipe(
       filter(res => res.status === 200),
     )
@@ -60,7 +60,7 @@ export function request(
  * @returns Data observable
  */
 export function requestJSON<T>(
-  url: string, options?: RequestInit
+  url: URL | string, options?: RequestInit
 ): Observable<T> {
   return request(url, options)
     .pipe(
@@ -78,7 +78,7 @@ export function requestJSON<T>(
  * @returns Data observable
  */
 export function requestXML(
-  url: string, options?: RequestInit
+  url: URL | string, options?: RequestInit
 ): Observable<Document> {
   const dom = new DOMParser()
   return request(url, options)

src/assets/javascripts/components/header/title/index.ts

@@ -34,16 +34,23 @@ import {
   tap
 } from "rxjs/operators"
 
+import { configuration } from "~/_"
 import {
   resetHeaderTitleState,
   setHeaderTitleState
 } from "~/actions"
 import {
   Viewport,
   getElement,
+  getElementOrThrow,
   getElementSize,
+  requestJSON,
   watchViewportAt
 } from "~/browser"
+import {
+  Version,
+  renderVersionSelector
+} from "~/templates"
 
 import { Component } from "../../_"
 import { Header } from "../_"
@@ -132,6 +139,15 @@ export function mountHeaderTitle(
           resetHeaderTitleState(el)
       })
 
+  /* Render version selector */
+  const config = configuration()
+  if (config.version?.provider === "mike")
+    requestJSON<Version[]>(new URL("../versions.json", config.base))
+      .subscribe(versions => {
+        const topic = getElementOrThrow(".md-header__topic", el)
+        topic.appendChild(renderVersionSelector(versions))
+      })
+
   /* Obtain headline, if any */
   const headline = getElement<HTMLHeadingElement>("article h1")
   if (typeof headline === "undefined")

src/assets/javascripts/integrations/instant/index.ts

@@ -277,7 +277,7 @@ export function setupInstantLoading(
 
           /* Components */
           "[data-md-component=announce]",
-          "[data-md-component=header-title]",
+          "[data-md-component=header-topic]",
           "[data-md-component=container]",
           "[data-md-component=skip]"
         ]) {

src/assets/javascripts/templates/index.ts

@@ -24,3 +24,4 @@ export * from "./clipboard"
 export * from "./search"
 export * from "./source"
 export * from "./table"
+export * from "./version"

src/assets/javascripts/templates/version/index.tsx

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+import { configuration } from "~/_"
+import { h } from "~/utilities"
+
+/* ----------------------------------------------------------------------------
+ * Types
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Version
+ */
+export interface Version {
+  version: string                      /* Version identifier */
+  title: string                        /* Version title */
+  aliases: string[]                    /* Version aliases */
+}
+
+/* ----------------------------------------------------------------------------
+ * Functions
+ * ------------------------------------------------------------------------- */
+
+/**
+ * Render a version selector
+ *
+ * @param versions - Versions
+ *
+ * @returns Element
+ */
+export function renderVersionSelector(versions: Version[]): HTMLElement {
+  const config = configuration()
+
+  /* Determine active version */
+  const [, current] = config.base.match(/([^/]+)\/?$/)!
+  const active =
+    versions.find(({ version, aliases }) => (
+      version === current || aliases.includes(current)
+    )) || versions[0]
+
+  /* Render version selector */
+  return (
+    <div class="md-version">
+      <span class="md-version__current">
+        {active.version}
+      </span>
+      <ul class="md-version__list">
+        {versions.map(version => (
+          <li class="md-version__item">
+            <a
+              class="md-version__link"
+              href={`${new URL(version.version, config.base)}`}
+            >
+              {version.title}
+            </a>
+          </li>
+        ))}
+      </ul>
+    </div>
+  )
+}

src/assets/stylesheets/main.scss

@@ -55,6 +55,7 @@
 @import "main/layout/sidebar";
 @import "main/layout/source";
 @import "main/layout/tabs";
+@import "main/layout/version";
 
 @import "main/extensions/markdown/admonition";
 @import "main/extensions/markdown/footnotes";

src/assets/stylesheets/main/layout/_version.scss

@@ -0,0 +1,139 @@
+////
+/// Copyright (c) 2016-2021 Martin Donath <martin.donath@squidfunk.com>
+///
+/// Permission is hereby granted, free of charge, to any person obtaining a
+/// copy of this software and associated documentation files (the "Software"),
+/// to deal in the Software without restriction, including without limitation
+/// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+/// and/or sell copies of the Software, and to permit persons to whom the
+/// Software is furnished to do so, subject to the following conditions:
+///
+/// The above copyright notice and this permission notice shall be included in
+/// all copies or substantial portions of the Software.
+///
+/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+/// FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+/// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+/// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+/// DEALINGS
+////
+
+// ----------------------------------------------------------------------------
+// Rules
+// ----------------------------------------------------------------------------
+
+// Icon definitions
+:root {
+  --md-version-icon: svg-load("fontawesome/solid/caret-down.svg");
+}
+
+// ----------------------------------------------------------------------------
+
+// Version selection
+.md-version {
+  flex-shrink: 0;
+  height: px2rem(48px);
+  font-size: px2rem(16px);
+
+  // Current selection
+  &__current {
+    position: relative;
+    // Hack: in general, we would use `vertical-align` to align the version at
+    // the bottom with the title, but since the list uses absolute positioning,
+    // this won't work consistently. Furthermore, we would need to use inline
+    // positioning to align the links, which looks jagged.
+    top: px2rem(1px);
+    margin-right: px2rem(8px);
+    margin-left: px2rem(28px);
+
+    // Adjust for right-to-left languages
+    [dir="rtl"] & {
+      margin-right: px2rem(28px);
+      margin-left: px2rem(8px);
+    }
+
+    // Version selection icon
+    &::after {
+      display: inline-block;
+      width: px2rem(8px);
+      height: px2rem(12px);
+      margin-left: px2rem(8px);
+      background-color: currentColor;
+      mask-image: var(--md-version-icon);
+      mask-repeat: no-repeat;
+      content: "";
+
+      // Adjust for right-to-left languages
+      [dir="rtl"] & {
+        margin-right: px2rem(8px);
+        margin-left: initial;
+      }
+    }
+  }
+
+  // Version selection list
+  &__list {
+    position: absolute;
+    top: px2rem(3px);
+    z-index: 1;
+    max-height: px2rem(36px);
+    margin: px2rem(4px) px2rem(16px);
+    padding: 0;
+    overflow: auto;
+    color: var(--md-default-fg-color);
+    list-style-type: none;
+    background-color: var(--md-default-bg-color);
+    border-radius: px2rem(2px);
+    box-shadow:
+      0 px2rem(4px) px2rem(10px) hsla(0, 0%, 0%, 0.1),
+      0 0           px2rem(1px)  hsla(0, 0%, 0%, 0.25);
+    opacity: 0;
+    transition:
+      max-height 0ms 500ms,
+      opacity  250ms 250ms;
+    scroll-snap-type: y mandatory;
+
+    // List on focus/hover
+    &:focus-within,
+    &:hover {
+      max-height: px2rem(200px);
+      opacity: 1;
+      transition:
+        max-height 250ms,
+        opacity    250ms;
+    }
+  }
+
+  // Version selection item
+  &__item {
+    line-height: px2rem(36px);
+  }
+
+  // Version selection link
+  &__link {
+    display: block;
+    width: 100%;
+    padding-right: px2rem(24px);
+    padding-left: px2rem(12px);
+    white-space: nowrap;
+    cursor: pointer;
+    transition:
+      color            250ms,
+      background-color 250ms;
+    scroll-snap-align: start;
+
+    // Adjust for right-to-left languages
+    [dir="rtl"] & {
+      padding-right: px2rem(12px);
+      padding-left: px2rem(24px);
+    }
+
+    // Link on focus/hover
+    &:focus,
+    &:hover {
+      background-color: var(--md-default-fg-color--lightest);
+    }
+  }
+}