Merge branch 'master' into master

11 files changed, 0 insertions, 793 deletions

diff --git a/src/templates/assets/javascripts/browser/element/_/.eslintrc b/src/templates/assets/javascripts/browser/element/_/.eslintrc
deleted file mode 100644
index 16973760..00000000
--- a/src/templates/assets/javascripts/browser/element/_/.eslintrc
+++ /dev/null
@@ -1,6 +0,0 @@
-{
-  "rules": {
-    "jsdoc/require-jsdoc": "off",
-    "jsdoc/require-returns-check": "off"
-  }
-}
diff --git a/src/templates/assets/javascripts/browser/element/_/index.ts b/src/templates/assets/javascripts/browser/element/_/index.ts
deleted file mode 100644
index b7beb462..00000000
--- a/src/templates/assets/javascripts/browser/element/_/index.ts
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Copyright (c) 2016-2023 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.
- */
-
-/* ----------------------------------------------------------------------------
- * Functions
- * ------------------------------------------------------------------------- */
-
-/**
- * Retrieve all elements matching the query selector
- *
- * @template T - Element type
- *
- * @param selector - Query selector
- * @param node - Node of reference
- *
- * @returns Elements
- */
-export function getElements<T extends keyof HTMLElementTagNameMap>(
-  selector: T, node?: ParentNode
-): HTMLElementTagNameMap[T][]
-
-export function getElements<T extends HTMLElement>(
-  selector: string, node?: ParentNode
-): T[]
-
-export function getElements<T extends HTMLElement>(
-  selector: string, node: ParentNode = document
-): T[] {
-  return Array.from(node.querySelectorAll<T>(selector))
-}
-
-/**
- * Retrieve an element matching a query selector or throw a reference error
- *
- * Note that this function assumes that the element is present. If unsure if an
- * element is existent, use the `getOptionalElement` function instead.
- *
- * @template T - Element type
- *
- * @param selector - Query selector
- * @param node - Node of reference
- *
- * @returns Element
- */
-export function getElement<T extends keyof HTMLElementTagNameMap>(
-  selector: T, node?: ParentNode
-): HTMLElementTagNameMap[T]
-
-export function getElement<T extends HTMLElement>(
-  selector: string, node?: ParentNode
-): T
-
-export function getElement<T extends HTMLElement>(
-  selector: string, node: ParentNode = document
-): T {
-  const el = getOptionalElement<T>(selector, node)
-  if (typeof el === "undefined")
-    throw new ReferenceError(
-      `Missing element: expected "${selector}" to be present`
-    )
-
-  /* Return element */
-  return el
-}
-
-/* ------------------------------------------------------------------------- */
-
-/**
- * Retrieve an optional element matching the query selector
- *
- * @template T - Element type
- *
- * @param selector - Query selector
- * @param node - Node of reference
- *
- * @returns Element or nothing
- */
-export function getOptionalElement<T extends keyof HTMLElementTagNameMap>(
-  selector: T, node?: ParentNode
-): HTMLElementTagNameMap[T] | undefined
-
-export function getOptionalElement<T extends HTMLElement>(
-  selector: string, node?: ParentNode
-): T | undefined
-
-export function getOptionalElement<T extends HTMLElement>(
-  selector: string, node: ParentNode = document
-): T | undefined {
-  return node.querySelector<T>(selector) || undefined
-}
-
-/**
- * Retrieve the currently active element
- *
- * @returns Element or nothing
- */
-export function getActiveElement(): HTMLElement | undefined {
-  return document.activeElement instanceof HTMLElement
-    ? document.activeElement || undefined
-    : undefined
-}
diff --git a/src/templates/assets/javascripts/browser/element/focus/index.ts b/src/templates/assets/javascripts/browser/element/focus/index.ts
deleted file mode 100644
index f31fe276..00000000
--- a/src/templates/assets/javascripts/browser/element/focus/index.ts
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright (c) 2016-2023 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 {
-  Observable,
-  debounceTime,
-  distinctUntilChanged,
-  fromEvent,
-  map,
-  merge,
-  shareReplay,
-  startWith
-} from "rxjs"
-
-import { getActiveElement } from "../_"
-
-/* ----------------------------------------------------------------------------
- * Data
- * ------------------------------------------------------------------------- */
-
-/**
- * Focus observable
- *
- * Previously, this observer used `focus` and `blur` events to determine whether
- * an element is focused, but this doesn't work if there are focusable elements
- * within the elements itself. A better solutions are `focusin` and `focusout`
- * events, which bubble up the tree and allow for more fine-grained control.
- *
- * `debounceTime` is necessary, because when a focus change happens inside an
- * element, the observable would first emit `false` and then `true` again.
- */
-const observer$ = merge(
-  fromEvent(document.body, "focusin"),
-  fromEvent(document.body, "focusout")
-)
-  .pipe(
-    debounceTime(1),
-    startWith(undefined),
-    map(() => getActiveElement() || document.body),
-    shareReplay(1)
-  )
-
-/* ----------------------------------------------------------------------------
- * Functions
- * ------------------------------------------------------------------------- */
-
-/**
- * Watch element focus
- *
- * @param el - Element
- *
- * @returns Element focus observable
- */
-export function watchElementFocus(
-  el: HTMLElement
-): Observable<boolean> {
-  return observer$
-    .pipe(
-      map(active => el.contains(active)),
-      distinctUntilChanged()
-    )
-}
diff --git a/src/templates/assets/javascripts/browser/element/index.ts b/src/templates/assets/javascripts/browser/element/index.ts
deleted file mode 100644
index 50ce84b2..00000000
--- a/src/templates/assets/javascripts/browser/element/index.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * Copyright (c) 2016-2023 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.
- */
-
-export * from "./_"
-export * from "./focus"
-export * from "./offset"
-export * from "./size"
-export * from "./visibility"
diff --git a/src/templates/assets/javascripts/browser/element/offset/_/index.ts b/src/templates/assets/javascripts/browser/element/offset/_/index.ts
deleted file mode 100644
index 6dd229d5..00000000
--- a/src/templates/assets/javascripts/browser/element/offset/_/index.ts
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Copyright (c) 2016-2023 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 {
-  Observable,
-  animationFrameScheduler,
-  auditTime,
-  fromEvent,
-  map,
-  merge,
-  startWith
-} from "rxjs"
-
-/* ----------------------------------------------------------------------------
- * Types
- * ------------------------------------------------------------------------- */
-
-/**
- * Element offset
- */
-export interface ElementOffset {
-  x: number                            /* Horizontal offset */
-  y: number                            /* Vertical offset */
-}
-
-/* ----------------------------------------------------------------------------
- * Functions
- * ------------------------------------------------------------------------- */
-
-/**
- * Retrieve element offset
- *
- * @param el - Element
- *
- * @returns Element offset
- */
-export function getElementOffset(
-  el: HTMLElement
-): ElementOffset {
-  return {
-    x: el.offsetLeft,
-    y: el.offsetTop
-  }
-}
-
-/* ------------------------------------------------------------------------- */
-
-/**
- * Watch element offset
- *
- * @param el - Element
- *
- * @returns Element offset observable
- */
-export function watchElementOffset(
-  el: HTMLElement
-): Observable<ElementOffset> {
-  return merge(
-    fromEvent(window, "load"),
-    fromEvent(window, "resize")
-  )
-    .pipe(
-      auditTime(0, animationFrameScheduler),
-      map(() => getElementOffset(el)),
-      startWith(getElementOffset(el))
-    )
-}
diff --git a/src/templates/assets/javascripts/browser/element/offset/content/index.ts b/src/templates/assets/javascripts/browser/element/offset/content/index.ts
deleted file mode 100644
index 557301a6..00000000
--- a/src/templates/assets/javascripts/browser/element/offset/content/index.ts
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (c) 2016-2023 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 {
-  Observable,
-  animationFrameScheduler,
-  auditTime,
-  fromEvent,
-  map,
-  merge,
-  startWith
-} from "rxjs"
-
-import { ElementOffset } from "../_"
-
-/* ----------------------------------------------------------------------------
- * Functions
- * ------------------------------------------------------------------------- */
-
-/**
- * Retrieve element content offset (= scroll offset)
- *
- * @param el - Element
- *
- * @returns Element content offset
- */
-export function getElementContentOffset(
-  el: HTMLElement
-): ElementOffset {
-  return {
-    x: el.scrollLeft,
-    y: el.scrollTop
-  }
-}
-
-/* ------------------------------------------------------------------------- */
-
-/**
- * Watch element content offset
- *
- * @param el - Element
- *
- * @returns Element content offset observable
- */
-export function watchElementContentOffset(
-  el: HTMLElement
-): Observable<ElementOffset> {
-  return merge(
-    fromEvent(el, "scroll"),
-    fromEvent(window, "resize")
-  )
-    .pipe(
-      auditTime(0, animationFrameScheduler),
-      map(() => getElementContentOffset(el)),
-      startWith(getElementContentOffset(el))
-    )
-}
diff --git a/src/templates/assets/javascripts/browser/element/offset/index.ts b/src/templates/assets/javascripts/browser/element/offset/index.ts
deleted file mode 100644
index 602ff2cf..00000000
--- a/src/templates/assets/javascripts/browser/element/offset/index.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (c) 2016-2023 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.
- */
-
-export * from "./_"
-export * from "./content"
diff --git a/src/templates/assets/javascripts/browser/element/size/_/index.ts b/src/templates/assets/javascripts/browser/element/size/_/index.ts
deleted file mode 100644
index 35a5e68b..00000000
--- a/src/templates/assets/javascripts/browser/element/size/_/index.ts
+++ /dev/null
@@ -1,151 +0,0 @@
-/*
- * Copyright (c) 2016-2023 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 {
-  NEVER,
-  Observable,
-  Subject,
-  defer,
-  filter,
-  finalize,
-  map,
-  merge,
-  of,
-  shareReplay,
-  startWith,
-  switchMap,
-  tap
-} from "rxjs"
-
-import { watchScript } from "../../../script"
-
-/* ----------------------------------------------------------------------------
- * Types
- * ------------------------------------------------------------------------- */
-
-/**
- * Element offset
- */
-export interface ElementSize {
-  width: number                        /* Element width */
-  height: number                       /* Element height */
-}
-
-/* ----------------------------------------------------------------------------
- * Data
- * ------------------------------------------------------------------------- */
-
-/**
- * Resize observer entry subject
- */
-const entry$ = new Subject<ResizeObserverEntry>()
-
-/**
- * Resize observer observable
- *
- * This observable will create a `ResizeObserver` on the first subscription
- * and will automatically terminate it when there are no more subscribers.
- * It's quite important to centralize observation in a single `ResizeObserver`,
- * as the performance difference can be quite dramatic, as the link shows.
- *
- * If the browser doesn't have a `ResizeObserver` implementation available, a
- * polyfill is automatically downloaded from unpkg.com. This is also compatible
- * with the built-in privacy plugin, which will download the polyfill and put
- * it alongside the built site for self-hosting.
- *
- * @see https://bit.ly/3iIYfEm - Google Groups on performance
- */
-const observer$ = defer(() => (
-  typeof ResizeObserver === "undefined"
-    ? watchScript("https://unpkg.com/resize-observer-polyfill")
-    : of(undefined)
-))
-  .pipe(
-    map(() => new ResizeObserver(entries => {
-      for (const entry of entries)
-        entry$.next(entry)
-    })),
-    switchMap(observer => merge(NEVER, of(observer))
-      .pipe(
-        finalize(() => observer.disconnect())
-      )
-    ),
-    shareReplay(1)
-  )
-
-/* ----------------------------------------------------------------------------
- * Functions
- * ------------------------------------------------------------------------- */
-
-/**
- * Retrieve element size
- *
- * @param el - Element
- *
- * @returns Element size
- */
-export function getElementSize(
-  el: HTMLElement
-): ElementSize {
-  return {
-    width:  el.offsetWidth,
-    height: el.offsetHeight
-  }
-}
-
-/* ------------------------------------------------------------------------- */
-
-/**
- * Watch element size
- *
- * This function returns an observable that subscribes to a single internal
- * instance of `ResizeObserver` upon subscription, and emit resize events until
- * termination. Note that this function should not be called with the same
- * element twice, as the first unsubscription will terminate observation.
- *
- * Sadly, we can't use the `DOMRect` objects returned by the observer, because
- * we need the emitted values to be consistent with `getElementSize`, which will
- * return the used values (rounded) and not actual values (unrounded). Thus, we
- * use the `offset*` properties. See the linked GitHub issue.
- *
- * @see https://bit.ly/3m0k3he - GitHub issue
- *
- * @param el - Element
- *
- * @returns Element size observable
- */
-export function watchElementSize(
-  el: HTMLElement
-): Observable<ElementSize> {
-  return observer$
-    .pipe(
-      tap(observer => observer.observe(el)),
-      switchMap(observer => entry$
-        .pipe(
-          filter(({ target }) => target === el),
-          finalize(() => observer.unobserve(el)),
-          map(() => getElementSize(el))
-        )
-      ),
-      startWith(getElementSize(el))
-    )
-}
diff --git a/src/templates/assets/javascripts/browser/element/size/content/index.ts b/src/templates/assets/javascripts/browser/element/size/content/index.ts
deleted file mode 100644
index 5ed388cf..00000000
--- a/src/templates/assets/javascripts/browser/element/size/content/index.ts
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Copyright (c) 2016-2023 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 { ElementSize } from "../_"
-
-/* ----------------------------------------------------------------------------
- * Functions
- * ------------------------------------------------------------------------- */
-
-/**
- * Retrieve element content size (= scroll width and height)
- *
- * @param el - Element
- *
- * @returns Element content size
- */
-export function getElementContentSize(
-  el: HTMLElement
-): ElementSize {
-  return {
-    width:  el.scrollWidth,
-    height: el.scrollHeight
-  }
-}
-
-/**
- * Retrieve the overflowing container of an element, if any
- *
- * @param el - Element
- *
- * @returns Overflowing container or nothing
- */
-export function getElementContainer(
-  el: HTMLElement
-): HTMLElement | undefined {
-  let parent = el.parentElement
-  while (parent)
-    if (
-      el.scrollWidth  <= parent.scrollWidth &&
-      el.scrollHeight <= parent.scrollHeight
-    )
-      parent = (el = parent).parentElement
-    else
-      break
-
-  /* Return overflowing container */
-  return parent ? el : undefined
-}
diff --git a/src/templates/assets/javascripts/browser/element/size/index.ts b/src/templates/assets/javascripts/browser/element/size/index.ts
deleted file mode 100644
index 602ff2cf..00000000
--- a/src/templates/assets/javascripts/browser/element/size/index.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (c) 2016-2023 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.
- */
-
-export * from "./_"
-export * from "./content"
diff --git a/src/templates/assets/javascripts/browser/element/visibility/index.ts b/src/templates/assets/javascripts/browser/element/visibility/index.ts
deleted file mode 100644
index 1ffe0b8d..00000000
--- a/src/templates/assets/javascripts/browser/element/visibility/index.ts
+++ /dev/null
@@ -1,131 +0,0 @@
-/*
- * Copyright (c) 2016-2023 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 {
-  NEVER,
-  Observable,
-  Subject,
-  defer,
-  distinctUntilChanged,
-  filter,
-  finalize,
-  map,
-  merge,
-  of,
-  shareReplay,
-  switchMap,
-  tap
-} from "rxjs"
-
-import {
-  getElementContentSize,
-  getElementSize,
-  watchElementContentOffset
-} from "~/browser"
-
-/* ----------------------------------------------------------------------------
- * Data
- * ------------------------------------------------------------------------- */
-
-/**
- * Intersection observer entry subject
- */
-const entry$ = new Subject<IntersectionObserverEntry>()
-
-/**
- * Intersection observer observable
- *
- * This observable will create an `IntersectionObserver` on first subscription
- * and will automatically terminate it when there are no more subscribers.
- *
- * @see https://bit.ly/3iIYfEm - Google Groups on performance
- */
-const observer$ = defer(() => of(
-  new IntersectionObserver(entries => {
-    for (const entry of entries)
-      entry$.next(entry)
-  }, {
-    threshold: 0
-  })
-))
-  .pipe(
-    switchMap(observer => merge(NEVER, of(observer))
-      .pipe(
-        finalize(() => observer.disconnect())
-      )
-    ),
-    shareReplay(1)
-  )
-
-/* ----------------------------------------------------------------------------
- * Functions
- * ------------------------------------------------------------------------- */
-
-/**
- * Watch element visibility
- *
- * @param el - Element
- *
- * @returns Element visibility observable
- */
-export function watchElementVisibility(
-  el: HTMLElement
-): Observable<boolean> {
-  return observer$
-    .pipe(
-      tap(observer => observer.observe(el)),
-      switchMap(observer => entry$
-        .pipe(
-          filter(({ target }) => target === el),
-          finalize(() => observer.unobserve(el)),
-          map(({ isIntersecting }) => isIntersecting)
-        )
-      )
-    )
-}
-
-/**
- * Watch element boundary
- *
- * This function returns an observable which emits whether the bottom content
- * boundary (= scroll offset) of an element is within a certain threshold.
- *
- * @param el - Element
- * @param threshold - Threshold
- *
- * @returns Element boundary observable
- */
-export function watchElementBoundary(
-  el: HTMLElement, threshold = 16
-): Observable<boolean> {
-  return watchElementContentOffset(el)
-    .pipe(
-      map(({ y }) => {
-        const visible = getElementSize(el)
-        const content = getElementContentSize(el)
-        return y >= (
-          content.height - visible.height - threshold
-        )
-      }),
-      distinctUntilChanged()
-    )
-}