add Opera Mobile as agent family

lib/browserslist_useragent/resolver.rb

@@ -43,6 +43,7 @@ def call
       family = 'Firefox' if agent.family == 'Firefox Mobile'
       family = 'Explorer' if agent.family == 'IE'
       family = 'ExplorerMobile' if agent.family == 'IE Mobile'
+      family = 'OperaMobile' if agent.family == 'Opera Mobile'
       family = 'QQAndroid' if agent.family == 'QQ Browser Mobile'
       family = 'UCAndroid' if agent.family == 'UC Browser'
 

spec/browserslist_useragent/match_spec.rb

@@ -6,7 +6,7 @@
     [
       'firefox 59', 'firefox 58', 'chrome 64', 'chrome 65',
       'ie 10', 'and_uc 11.8', 'android 4.4.3-4.4.4',
-      'ios_saf 11.3', 'ios_saf 11.0-11.2'
+      'ios_saf 11.3', 'ios_saf 11.0-11.2', 'op_mob 46'
     ]
   end
 
@@ -31,6 +31,12 @@
       it { expect(matcher).to be_browser }
     end
 
+    context 'when family is OperaMobile' do
+      let(:user_agent) { { family: 'OperaMobile' } }
+
+      it { expect(matcher).to be_browser }
+    end
+
     context 'when family is BlackBerry' do
       let(:user_agent) { { family: 'BlackBerry' } }
 

spec/browserslist_useragent/resolver_spec.rb

@@ -119,5 +119,13 @@ def resolve_user_agent(user_agent)
         )
       ).to eq(family: 'Firefox', version: '44.0.0')
     end
+
+    it 'resolves opera mobile properly' do
+      expect(
+        resolve_user_agent(
+          'Mozilla/5.0 (Linux; Android 10; LYA-L09) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Mobile Safari/537.36 OPR/59.1.2926.54067'
+        )
+      ).to eq(family: 'OperaMobile', version: '59.1.2926')
+    end
   end
 end