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Diffstat (limited to 'toolkit/components/utils/PreferenceFilters.sys.mjs')
-rw-r--r-- | toolkit/components/utils/PreferenceFilters.sys.mjs | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/toolkit/components/utils/PreferenceFilters.sys.mjs b/toolkit/components/utils/PreferenceFilters.sys.mjs new file mode 100644 index 0000000000..6691d848ef --- /dev/null +++ b/toolkit/components/utils/PreferenceFilters.sys.mjs @@ -0,0 +1,23 @@ +/* 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/. */ + +import { Preferences } from "resource://gre/modules/Preferences.sys.mjs"; + +export var PreferenceFilters = { + // Compare the value of a given preference. Takes a `default` value as an + // optional argument to pass into `Preferences.get`. + preferenceValue(prefKey, defaultValue) { + return Preferences.get(prefKey, defaultValue); + }, + + // Compare if the preference is user set. + preferenceIsUserSet(prefKey) { + return Preferences.isSet(prefKey); + }, + + // Compare if the preference has _any_ value, whether it's user-set or default. + preferenceExists(prefKey) { + return Preferences.has(prefKey); + }, +}; |