@httpland/coop-middleware/esm/utils.js

HTTP cross-origin opener policy(COOP) middleware

// Copyright 2023-latest the httpland authors. All rights reserved. MIT license.
// This module is browser compatible.
import { isString, Item, Parameters, stringifySfv, Token } from "./deps.js";
var Param;
(function (Param) {
    Param["ReportTo"] = "report-to";
})(Param || (Param = {}));
/** Serialize {@link CrossOriginOpenerPolicy} into string.
 * @throws {TypeError} If the {@link CrossOriginOpenerPolicy} is invalid.
 */
export function stringifyCrossOriginOpenerPolicy(policy) {
    const token = new Token(policy.value);
    const parameters = isString(policy.reportTo)
        ? new Parameters({
            [Param.ReportTo]: new Token(policy.reportTo),
        })
        : new Parameters();
    const item = new Item([token, parameters]);
    try {
        return stringifySfv(item);
    }
    catch (cause) {
        throw TypeError(Msg.InvalidCrossOriginOpenerPolicy, { cause });
    }
}
var Msg;
(function (Msg) {
    Msg["InvalidCrossOriginOpenerPolicy"] = "invalid CrossOriginOpenerPolicy format.";
})(Msg || (Msg = {}));