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76 lines
2.1 KiB
JavaScript
76 lines
2.1 KiB
JavaScript
/* -*- Mode: js2; js2-basic-offset: 2; indent-tabs-mode: nil; -*- */
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/* vim: set ft=javascript ts=2 et sw=2 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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// functions common to Identity.jsm and MinimalIdentity.jsm
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"use strict";
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this.EXPORTED_SYMBOLS = [
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"checkDeprecated",
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"checkRenamed",
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"getRandomId",
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"objectCopy"
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];
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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XPCOMUtils.defineLazyServiceGetter(this, "uuidgen",
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"@mozilla.org/uuid-generator;1",
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"nsIUUIDGenerator");
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XPCOMUtils.defineLazyModuleGetter(this, "Logger",
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"resource://gre/modules/identity/LogUtils.jsm");
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function log(...aMessageArgs) {
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Logger.log.apply(Logger, ["Identity"].concat(aMessageArgs));
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}
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function defined(item) {
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return typeof item !== 'undefined';
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}
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var checkDeprecated = this.checkDeprecated = function checkDeprecated(aOptions, aField) {
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if (defined(aOptions[aField])) {
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log("WARNING: field is deprecated:", aField);
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return true;
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}
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return false;
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};
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this.checkRenamed = function checkRenamed(aOptions, aOldName, aNewName) {
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if (defined(aOptions[aOldName]) &&
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defined(aOptions[aNewName])) {
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let err = "You cannot provide both " + aOldName + " and " + aNewName;
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Logger.reportError(err);
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throw new Error(err);
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}
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if (checkDeprecated(aOptions, aOldName)) {
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aOptions[aNewName] = aOptions[aOldName];
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delete(aOptions[aOldName]);
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}
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};
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this.getRandomId = function getRandomId() {
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return uuidgen.generateUUID().toString();
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};
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/*
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* copy source object into target, excluding private properties
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* (those whose names begin with an underscore)
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*/
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this.objectCopy = function objectCopy(source, target){
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let desc;
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Object.getOwnPropertyNames(source).forEach(function(name) {
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if (name[0] !== '_') {
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desc = Object.getOwnPropertyDescriptor(source, name);
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Object.defineProperty(target, name, desc);
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}
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});
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};
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