rx-player
Version:
Canal+ HTML5 Video Player
86 lines (85 loc) • 3.6 kB
JavaScript
/**
* Copyright 2015 CANAL+ Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { assertUnreachable } from "../../utils/assert";
import request from "../../utils/request";
import addQueryString from "./add_query_string";
import callCustomManifestLoader from "./call_custom_manifest_loader";
/**
* Manifest loader triggered if there was no custom-defined one in the API.
* @param {string} preferredType
* @returns {Function}
*/
function generateRegularManifestLoader(preferredType) {
return function regularManifestLoader(initialUrl, loaderOptions, cancelSignal) {
var _a, _b;
if (initialUrl === undefined) {
throw new Error("Cannot perform HTTP(s) request. URL not known");
}
const url = ((_a = loaderOptions.cmcdPayload) === null || _a === void 0 ? void 0 : _a.type) === "query"
? addQueryString(initialUrl, loaderOptions.cmcdPayload.value)
: initialUrl;
const cmcdHeaders = ((_b = loaderOptions.cmcdPayload) === null || _b === void 0 ? void 0 : _b.type) === "headers"
? loaderOptions.cmcdPayload.value
: undefined;
// What follows could be written in a single line, but TypeScript wouldn't
// shut up.
// So I wrote that instead, temporarily of course ;)
switch (preferredType) {
case "arraybuffer":
return request({
url,
headers: cmcdHeaders,
responseType: "arraybuffer",
timeout: loaderOptions.timeout,
connectionTimeout: loaderOptions.connectionTimeout,
cancelSignal,
});
case "text":
return request({
url,
headers: cmcdHeaders,
responseType: "text",
timeout: loaderOptions.timeout,
connectionTimeout: loaderOptions.connectionTimeout,
cancelSignal,
});
case "document":
return request({
url,
headers: cmcdHeaders,
responseType: "document",
timeout: loaderOptions.timeout,
connectionTimeout: loaderOptions.connectionTimeout,
cancelSignal,
});
default:
assertUnreachable(preferredType);
}
};
}
/**
* Generate a manifest loader for the application
* @param {Function} [customManifestLoader]
* @param {string} preferredType
* @returns {Function}
*/
export default function generateManifestLoader({ customManifestLoader }, preferredType, integrityCheck) {
const regularManifestLoader = generateRegularManifestLoader(preferredType);
const actualLoader = typeof customManifestLoader !== "function"
? regularManifestLoader
: callCustomManifestLoader(customManifestLoader, regularManifestLoader);
return integrityCheck !== null ? integrityCheck(actualLoader) : actualLoader;
}