From 991fd7a6d67ee017c57beaaa21fc31c4bee7944d Mon Sep 17 00:00:00 2001 From: 简律纯 Date: Sat, 7 Oct 2023 06:48:07 +0800 Subject: feat(version): versions --- .../assets/javascripts/browser/request/index.ts | 141 +++++++++++++++++++++ 1 file changed, 141 insertions(+) create mode 100644 src/templates/assets/javascripts/browser/request/index.ts (limited to 'src/templates/assets/javascripts/browser/request') diff --git a/src/templates/assets/javascripts/browser/request/index.ts b/src/templates/assets/javascripts/browser/request/index.ts new file mode 100644 index 00000000..74a56a64 --- /dev/null +++ b/src/templates/assets/javascripts/browser/request/index.ts @@ -0,0 +1,141 @@ +/* + * Copyright (c) 2016-2023 Martin Donath + * + * 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, + Subject, + map, + shareReplay, + switchMap +} from "rxjs" + +/* ---------------------------------------------------------------------------- + * Helper types + * ------------------------------------------------------------------------- */ + +/** + * Options + */ +interface Options { + progress$?: Subject // Progress subject +} + +/* ---------------------------------------------------------------------------- + * Functions + * ------------------------------------------------------------------------- */ + +/** + * Fetch the given URL + * + * If the request fails (e.g. when dispatched from `file://` locations), the + * observable will complete without emitting a value. + * + * @param url - Request URL + * @param options - Options + * + * @returns Response observable + */ +export function request( + url: URL | string, options?: Options +): Observable { + return new Observable(observer => { + const req = new XMLHttpRequest() + req.open("GET", `${url}`) + req.responseType = "blob" + + // Handle response + req.addEventListener("load", () => { + if (req.status >= 200 && req.status < 300) { + observer.next(req.response) + observer.complete() + } else { + observer.error(new Error(req.statusText)) + } + }) + + // Handle network errors + req.addEventListener("error", () => { + observer.error(new Error("Network Error")) + }) + + // Handle aborted requests + req.addEventListener("abort", () => { + observer.error(new Error("Request aborted")) + }) + + // Handle download progress + if (typeof options?.progress$ !== "undefined") { + req.addEventListener("progress", event => { + options.progress$!.next((event.loaded / event.total) * 100) + }) + + // Immediately set progress to 5% to indicate that we're loading + options.progress$.next(5) + } + + // Send request + req.send() + }) +} + +/* ------------------------------------------------------------------------- */ + +/** + * Fetch JSON from the given URL + * + * @template T - Data type + * + * @param url - Request URL + * @param options - Options + * + * @returns Data observable + */ +export function requestJSON( + url: URL | string, options?: Options +): Observable { + return request(url, options) + .pipe( + switchMap(res => res.text()), + map(body => JSON.parse(body) as T), + shareReplay(1) + ) +} + +/** + * Fetch XML from the given URL + * + * @param url - Request URL + * @param options - Options + * + * @returns Data observable + */ +export function requestXML( + url: URL | string, options?: Options +): Observable { + const dom = new DOMParser() + return request(url, options) + .pipe( + switchMap(res => res.text()), + map(res => dom.parseFromString(res, "text/xml")), + shareReplay(1) + ) +} -- cgit v1.2.3-70-g09d2