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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";
// This module basically translates system/events to a SDK standard events
// so that `map`, `filter` and other utilities could be used with them.
module.metadata = {
"stability": "experimental"
};
const events = require("../system/events");
const { emit } = require("../event/core");
var channel = {};
function forward({ subject, type, data }) {
return emit(channel, "data", { target: subject, type: type, data: data });
}
["popupshowing", "popuphiding", "popupshown", "popuphidden",
"document-element-inserted", "DOMContentLoaded", "load"
].forEach(type => events.on(type, forward));
exports.events = channel;
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