@snap/camera-kit/dist/handlers/noCorsRetryingFetchHandler.js

Camera Kit Web

import { __awaiter } from "tslib";
import { getLogger } from "../logger/logger";
import { ensureClonedRequest } from "./retryingHandler";
const logger = getLogger("noCorsRetryingFetchHandler");
const logRetry = (error) => {
    logger.warn(`NoCorsRetrying handler got failed response:`, error, `Retrying request with {mode: "no-cors"}.`);
};
export const createNoCorsRetryingFetchHandler = () => {
    const noCorsRequests = new Map();
    return (next) => (input, init = {}) => __awaiter(void 0, void 0, void 0, function* () {
        var _a;
        let requestKey = typeof input === "string" ? input : input.url;
        try {
            requestKey = new URL(requestKey, location.origin).host;
        }
        catch (_) {
        }
        try {
            return yield next(ensureClonedRequest(input), init);
        }
        catch (error) {
            if (error instanceof Error && error.name === "AbortError")
                throw error;
            logRetry(error);
            const noCorsRequest = (_a = noCorsRequests.get(requestKey)) !== null && _a !== void 0 ? _a : next(ensureClonedRequest(input), Object.assign(Object.assign({}, init), { mode: "no-cors" }));
            noCorsRequests.set(requestKey, noCorsRequest);
            yield noCorsRequest;
            noCorsRequests.delete(requestKey);
            return next(ensureClonedRequest(input), init);
        }
    });
};
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