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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";
/* global global */
/**
* Adds mocks for browser-environment global variables/methods to Node global.
*/
function setMocksInGlobal() {
global.Cc = new Proxy(
{},
{
get(target, prop, receiver) {
if (prop.startsWith("@mozilla.org")) {
return { getService: () => ({}) };
}
return null;
},
}
);
global.Ci = {
// sw states from
// mozilla-central/source/dom/interfaces/base/nsIServiceWorkerManager.idl
nsIServiceWorkerInfo: {
STATE_PARSED: 0,
STATE_INSTALLING: 1,
STATE_INSTALLED: 2,
STATE_ACTIVATING: 3,
STATE_ACTIVATED: 4,
STATE_REDUNDANT: 5,
STATE_UNKNOWN: 6,
},
};
global.Cu = {
isInAutomation: true,
now: () => {},
};
global.Services = require("Services-mock");
global.ChromeUtils = require("ChromeUtils-mock");
global.isWorker = false;
global.loader = {
lazyGetter: (context, name, fn) => {
Object.defineProperty(global, name, {
get() {
delete global[name];
global[name] = fn.apply(global);
return global[name];
},
configurable: true,
enumerable: true,
});
},
lazyRequireGetter: (context, names, module, destructure) => {
if (!Array.isArray(names)) {
names = [names];
}
for (const name of names) {
global.loader.lazyGetter(context, name, () => {
return destructure ? require(module)[name] : require(module || name);
});
}
},
lazyServiceGetter: () => {},
};
global.define = function () {};
// Used for the HTMLTooltip component.
// And set "isSystemPrincipal: false" because can't support XUL element in node.
global.document.nodePrincipal = {
isSystemPrincipal: false,
};
global.requestIdleCallback = function () {};
global.requestAnimationFrame = function (cb) {
cb();
return null;
};
// Mock getSelection
let selection;
global.getSelection = function () {
return {
toString: () => selection,
get type() {
if (selection === undefined) {
return "None";
}
if (selection === "") {
return "Caret";
}
return "Range";
},
setMockSelection: str => {
selection = str;
},
};
};
// Array#flatMap is only supported in Node 11+
if (!Array.prototype.flatMap) {
// eslint-disable-next-line no-extend-native
Array.prototype.flatMap = function (cb) {
return this.reduce((acc, x, i, arr) => {
return acc.concat(cb(x, i, arr));
}, []);
};
}
if (typeof global.TextEncoder === "undefined") {
const { TextEncoder } = require("util");
global.TextEncoder = TextEncoder;
}
if (typeof global.TextDecoder === "undefined") {
const { TextDecoder } = require("util");
global.TextDecoder = TextDecoder;
}
if (!Promise.withResolvers) {
Promise.withResolvers = function () {
let resolve, reject;
const promise = new Promise(function (res, rej) {
resolve = res;
reject = rej;
});
return { resolve, reject, promise };
};
}
}
module.exports = {
setMocksInGlobal,
};
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