49 lines
1.5 KiB
JavaScript
49 lines
1.5 KiB
JavaScript
/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set sts=2 sw=2 et tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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var { ExtensionError } = ExtensionUtils;
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this.scripting = class extends ExtensionAPI {
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getAPI(context) {
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return {
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scripting: {
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executeScript: async details => {
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let { func, args, ...parentDetails } = details;
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if (details.files) {
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if (details.args) {
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throw new ExtensionError(
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"'args' may not be used with file injections."
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);
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}
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}
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// `files` and `func` are mutually exclusive but that is checked in
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// the parent (in `execute()`).
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if (func) {
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try {
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const serializedArgs = args
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? JSON.stringify(args).slice(1, -1)
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: "";
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// This is a prop that we compute here and pass to the parent.
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parentDetails.func = `(${func.toString()})(${serializedArgs});`;
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} catch (e) {
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throw new ExtensionError("Unserializable arguments.");
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}
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} else {
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parentDetails.func = null;
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}
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return context.childManager.callParentAsyncFunction(
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"scripting.executeScriptInternal",
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[parentDetails]
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);
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},
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},
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};
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}
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};
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