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author简律纯 <i@jyunko.cn>2023-12-15 09:11:47 +0800
committer简律纯 <i@jyunko.cn>2023-12-15 09:11:47 +0800
commitbe8de118db913711eb72ae5187d26e54a0055727 (patch)
tree96cd6c012dafa3f4015e54edef90df5eaaab0ddb /src/templates/assets/javascripts/browser/element/focus/index.ts
parent9b2d27ba1d91a0d5531bc9c0d52c3887a2dfb2aa (diff)
downloadinfini-be8de118db913711eb72ae5187d26e54a0055727.tar.gz
infini-be8de118db913711eb72ae5187d26e54a0055727.zip
refactor(docs): optmst `docs` dir & `deps`
Diffstat (limited to 'src/templates/assets/javascripts/browser/element/focus/index.ts')
-rw-r--r--src/templates/assets/javascripts/browser/element/focus/index.ts81
1 files changed, 0 insertions, 81 deletions
diff --git a/src/templates/assets/javascripts/browser/element/focus/index.ts b/src/templates/assets/javascripts/browser/element/focus/index.ts
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--- a/src/templates/assets/javascripts/browser/element/focus/index.ts
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-/*
- * 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()
- )
-}