diff options
Diffstat (limited to 'ext/bg/js/options.js')
| -rw-r--r-- | ext/bg/js/options.js | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/ext/bg/js/options.js b/ext/bg/js/options.js index 20df2a68..d36b2bab 100644 --- a/ext/bg/js/options.js +++ b/ext/bg/js/options.js @@ -15,14 +15,23 @@ * along with this program. If not, see <https://www.gnu.org/licenses/>. */ -/* global - * utilStringHashCode - */ - /* * Generic options functions */ +function optionsGetStringHashCode(string) { + let hashCode = 0; + + if (typeof string !== 'string') { return hashCode; } + + for (let i = 0, charCode = string.charCodeAt(i); i < string.length; charCode = string.charCodeAt(++i)) { + hashCode = ((hashCode << 5) - hashCode) + charCode; + hashCode |= 0; + } + + return hashCode; +} + function optionsGenericApplyUpdates(options, updates) { const targetVersion = updates.length; const currentVersion = options.version; @@ -63,12 +72,12 @@ const profileOptionsVersionUpdates = [ options.anki.fieldTemplates = null; }, (options) => { - if (utilStringHashCode(options.anki.fieldTemplates) === 1285806040) { + if (optionsGetStringHashCode(options.anki.fieldTemplates) === 1285806040) { options.anki.fieldTemplates = null; } }, (options) => { - if (utilStringHashCode(options.anki.fieldTemplates) === -250091611) { + if (optionsGetStringHashCode(options.anki.fieldTemplates) === -250091611) { options.anki.fieldTemplates = null; } }, @@ -87,7 +96,7 @@ const profileOptionsVersionUpdates = [ (options) => { // Version 12 changes: // The preferred default value of options.anki.fieldTemplates has been changed to null. - if (utilStringHashCode(options.anki.fieldTemplates) === 1444379824) { + if (optionsGetStringHashCode(options.anki.fieldTemplates) === 1444379824) { options.anki.fieldTemplates = null; } }, |