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Diffstat (limited to 'src/templates/assets/javascripts/components/source/_/index.ts')
| -rw-r--r-- | src/templates/assets/javascripts/components/source/_/index.ts | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/src/templates/assets/javascripts/components/source/_/index.ts b/src/templates/assets/javascripts/components/source/_/index.ts new file mode 100644 index 00000000..5f6c4d11 --- /dev/null +++ b/src/templates/assets/javascripts/components/source/_/index.ts @@ -0,0 +1,142 @@ +/* + * 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 { + EMPTY, + Observable, + Subject, + catchError, + defer, + filter, + finalize, + map, + of, + shareReplay, + tap +} from "rxjs" + +import { getElement } from "~/browser" +import { ConsentDefaults } from "~/components/consent" +import { renderSourceFacts } from "~/templates" + +import { + Component, + getComponentElements +} from "../../_" +import { + SourceFacts, + fetchSourceFacts +} from "../facts" + +/* ---------------------------------------------------------------------------- + * Types + * ------------------------------------------------------------------------- */ + +/** + * Repository information + */ +export interface Source { + facts: SourceFacts /* Repository facts */ +} + +/* ---------------------------------------------------------------------------- + * Data + * ------------------------------------------------------------------------- */ + +/** + * Repository information observable + */ +let fetch$: Observable<Source> + +/* ---------------------------------------------------------------------------- + * Functions + * ------------------------------------------------------------------------- */ + +/** + * Watch repository information + * + * This function tries to read the repository facts from session storage, and + * if unsuccessful, fetches them from the underlying provider. + * + * @param el - Repository information element + * + * @returns Repository information observable + */ +export function watchSource( + el: HTMLAnchorElement +): Observable<Source> { + return fetch$ ||= defer(() => { + const cached = __md_get<SourceFacts>("__source", sessionStorage) + if (cached) { + return of(cached) + } else { + + /* Check if consent is configured and was given */ + const els = getComponentElements("consent") + if (els.length) { + const consent = __md_get<ConsentDefaults>("__consent") + if (!(consent && consent.github)) + return EMPTY + } + + /* Fetch repository facts */ + return fetchSourceFacts(el.href) + .pipe( + tap(facts => __md_set("__source", facts, sessionStorage)) + ) + } + }) + .pipe( + catchError(() => EMPTY), + filter(facts => Object.keys(facts).length > 0), + map(facts => ({ facts })), + shareReplay(1) + ) +} + +/** + * Mount repository information + * + * @param el - Repository information element + * + * @returns Repository information component observable + */ +export function mountSource( + el: HTMLAnchorElement +): Observable<Component<Source>> { + const inner = getElement(":scope > :last-child", el) + return defer(() => { + const push$ = new Subject<Source>() + push$.subscribe(({ facts }) => { + inner.appendChild(renderSourceFacts(facts)) + inner.classList.add("md-source__repository--active") + }) + + /* Create and return component */ + return watchSource(el) + .pipe( + tap(state => push$.next(state)), + finalize(() => push$.complete()), + map(state => ({ ref: el, ...state })) + ) + }) +} |
