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-rw-r--r--addon-sdk/source/lib/sdk/system/environment.js33
1 files changed, 33 insertions, 0 deletions
diff --git a/addon-sdk/source/lib/sdk/system/environment.js b/addon-sdk/source/lib/sdk/system/environment.js
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+++ b/addon-sdk/source/lib/sdk/system/environment.js
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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';
+
+module.metadata = {
+ "stability": "stable"
+};
+
+const { Cc, Ci } = require('chrome');
+const { get, set, exists } = Cc['@mozilla.org/process/environment;1'].
+ getService(Ci.nsIEnvironment);
+
+exports.env = new Proxy({}, {
+ deleteProperty(target, property) {
+ set(property, null);
+ return true;
+ },
+
+ get(target, property, receiver) {
+ return get(property) || undefined;
+ },
+
+ has(target, property) {
+ return exists(property);
+ },
+
+ set(target, property, value, receiver) {
+ set(property, value);
+ return true;
+ }
+});