Files
mkdocs-material/src/assets/javascripts/components/search/query/index.ts

90 lines
2.6 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 { OperatorFunction, pipe } from "rxjs"
import {
distinctUntilKeyChanged,
map,
switchMap,
withLatestFrom
} from "rxjs/operators"
import { setToggle } from "actions"
import {
SearchQuery,
WorkerHandler,
useToggle,
watchSearchQuery
} from "observables"
import {
SearchMessage,
SearchMessageType,
SearchQueryMessage
} from "workers"
/* ----------------------------------------------------------------------------
* Functions
* ------------------------------------------------------------------------- */
/**
* Mount search query from source observable
*
* @param handler - Worker handler
*
* @return Operator function
*/
export function mountSearchQuery(
{ tx$ }: WorkerHandler<SearchMessage>
): OperatorFunction<HTMLInputElement, SearchQuery> {
const toggle$ = useToggle("search")
return pipe(
switchMap(el => {
const query$ = watchSearchQuery(el)
/* Subscribe worker to search query */
query$
.pipe(
distinctUntilKeyChanged("value"),
map<SearchQuery, SearchQueryMessage>(({ value }) => ({
type: SearchMessageType.QUERY,
data: value
}))
)
.subscribe(tx$.next.bind(tx$))
/* Toggle search on focus */
query$
.pipe(
distinctUntilKeyChanged("focus"),
withLatestFrom(toggle$)
)
.subscribe(([{ focus }, toggle]) => {
if (focus)
setToggle(toggle, focus)
})
/* Return search query */
return query$
})
)
}