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/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set sts=2 sw=2 et tw=80: */
/* 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";
var { ExtensionError } = ExtensionUtils;
this.scripting = class extends ExtensionAPI {
getAPI(context) {
return {
scripting: {
executeScript: async details => {
let { func, args, ...parentDetails } = details;
if (details.files) {
if (details.args) {
throw new ExtensionError(
"'args' may not be used with file injections."
);
}
}
// `files` and `func` are mutually exclusive but that is checked in
// the parent (in `execute()`).
if (func) {
try {
const serializedArgs = args
? JSON.stringify(args).slice(1, -1)
: "";
// This is a prop that we compute here and pass to the parent.
parentDetails.func = `(${func.toString()})(${serializedArgs});`;
} catch (e) {
throw new ExtensionError("Unserializable arguments.");
}
} else {
parentDetails.func = null;
}
return context.childManager.callParentAsyncFunction(
"scripting.executeScriptInternal",
[parentDetails]
);
},
},
};
}
};
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