mirror of
https://github.com/squidfunk/mkdocs-material.git
synced 2024-06-14 11:52:32 +03:00
102 lines
3.1 KiB
TypeScript
102 lines
3.1 KiB
TypeScript
/*
|
|
* Copyright (c) 2016-2020 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, OperatorFunction, pipe } from "rxjs"
|
|
import {
|
|
distinctUntilChanged,
|
|
filter,
|
|
map,
|
|
mapTo,
|
|
startWith,
|
|
switchMap
|
|
} from "rxjs/operators"
|
|
|
|
import { WorkerHandler, watchElementOffset } from "browser"
|
|
import {
|
|
SearchMessage,
|
|
SearchResult,
|
|
isSearchReadyMessage,
|
|
isSearchResultMessage
|
|
} from "integrations"
|
|
|
|
import { SearchQuery } from "../../query"
|
|
import { applySearchResult } from "../react"
|
|
|
|
/* ----------------------------------------------------------------------------
|
|
* Helper types
|
|
* ------------------------------------------------------------------------- */
|
|
|
|
/**
|
|
* Mount options
|
|
*/
|
|
interface MountOptions {
|
|
query$: Observable<SearchQuery> /* Search query observable */
|
|
}
|
|
|
|
/* ----------------------------------------------------------------------------
|
|
* Functions
|
|
* ------------------------------------------------------------------------- */
|
|
|
|
/**
|
|
* Mount search result from source observable
|
|
*
|
|
* @param handler - Worker handler
|
|
* @param options - Options
|
|
*
|
|
* @return Operator function
|
|
*/
|
|
export function mountSearchResult(
|
|
{ rx$ }: WorkerHandler<SearchMessage>, { query$ }: MountOptions
|
|
): OperatorFunction<HTMLElement, SearchResult[]> {
|
|
return pipe(
|
|
switchMap(el => {
|
|
const container = el.parentElement!
|
|
|
|
/* Compute if search is ready */
|
|
const ready$ = rx$
|
|
.pipe(
|
|
filter(isSearchReadyMessage),
|
|
mapTo(true)
|
|
)
|
|
|
|
/* Compute whether there are more search results to fetch */
|
|
const fetch$ = watchElementOffset(container)
|
|
.pipe(
|
|
map(({ y }) => {
|
|
return y >= container.scrollHeight - container.offsetHeight - 16
|
|
}),
|
|
distinctUntilChanged(),
|
|
filter(Boolean)
|
|
)
|
|
|
|
/* Apply search results */
|
|
return rx$
|
|
.pipe(
|
|
filter(isSearchResultMessage),
|
|
map(({ data }) => data),
|
|
applySearchResult(el, { query$, ready$, fetch$ }),
|
|
startWith([])
|
|
)
|
|
})
|
|
)
|
|
}
|