created mergedConfig getter to avoid obnoxious checks for undefined everywhere

src/components/favorite_button/favorite_button.js

@@ -1,10 +1,9 @@
+import { mapGetters } from 'vuex'
+
 const FavoriteButton = {
   props: ['status', 'loggedIn'],
   data () {
     return {
-      hidePostStatsLocal: typeof this.$store.state.config.hidePostStats === 'undefined'
-        ? this.$store.state.instance.hidePostStats
-        : this.$store.state.config.hidePostStats,
       animated: false
     }
   },
@@ -28,7 +27,8 @@ const FavoriteButton = {
         'icon-star': this.status.favorited,
         'animate-spin': this.animated
       }
-    }
+    },
+    ...mapGetters(['mergedConfig'])
   }
 }
 

src/components/favorite_button/favorite_button.vue

@@ -6,7 +6,7 @@
       :title="$t('tool_tip.favorite')"
       @click.prevent="favorite()"
     />
-    <span v-if="!hidePostStatsLocal && status.fave_num > 0">{{ status.fave_num }}</span>
+    <span v-if="!mergedConfig.hidePostStats && status.fave_num > 0">{{ status.fave_num }}</span>
   </div>
   <div v-else>
     <i
@@ -14,7 +14,7 @@
       class="button-icon favorite-button"
       :title="$t('tool_tip.favorite')"
     />
-    <span v-if="!hidePostStatsLocal && status.fave_num > 0">{{ status.fave_num }}</span>
+    <span v-if="!mergedConfig.hidePostStats && status.fave_num > 0">{{ status.fave_num }}</span>
   </div>
 </template>
 

src/components/post_status_form/post_status_form.js

@@ -7,6 +7,7 @@ import fileTypeService from '../../services/file_type/file_type.service.js'
 import { findOffset } from '../../services/offset_finder/offset_finder.service.js'
 import { reject, map, uniqBy } from 'lodash'
 import suggestor from '../emoji_input/suggestor.js'
+import { mapGetters } from 'vuex'
 
 const buildMentionsString = ({ user, attentions = [] }, currentUser) => {
   let allAttentions = [...attentions]
@@ -50,9 +51,7 @@ const PostStatusForm = {
     const preset = this.$route.query.message
     let statusText = preset || ''
 
-    const scopeCopy = typeof this.$store.state.config.scopeCopy === 'undefined'
-      ? this.$store.state.instance.scopeCopy
-      : this.$store.state.config.scopeCopy
+    const { scopeCopy } = this.$store.getters.mergedConfig
 
     if (this.replyTo) {
       const currentUser = this.$store.state.users.currentUser
@@ -63,9 +62,7 @@ const PostStatusForm = {
       ? this.copyMessageScope
       : this.$store.state.users.currentUser.default_scope
 
-    const contentType = typeof this.$store.state.config.postContentType === 'undefined'
-      ? this.$store.state.instance.postContentType
-      : this.$store.state.config.postContentType
+    const { postContentType: contentType } = this.$store.getters.mergedConfig
 
     return {
       dropFiles: [],
@@ -94,10 +91,7 @@ const PostStatusForm = {
       return this.$store.state.users.currentUser.default_scope
     },
     showAllScopes () {
-      const minimalScopesMode = typeof this.$store.state.config.minimalScopesMode === 'undefined'
-        ? this.$store.state.instance.minimalScopesMode
-        : this.$store.state.config.minimalScopesMode
-      return !minimalScopesMode
+      return this.mergedConfig.minimalScopesMode
     },
     emojiUserSuggestor () {
       return suggestor({
@@ -145,13 +139,7 @@ const PostStatusForm = {
       return this.$store.state.instance.minimalScopesMode
     },
     alwaysShowSubject () {
-      if (typeof this.$store.state.config.alwaysShowSubjectInput !== 'undefined') {
-        return this.$store.state.config.alwaysShowSubjectInput
-      } else if (typeof this.$store.state.instance.alwaysShowSubjectInput !== 'undefined') {
-        return this.$store.state.instance.alwaysShowSubjectInput
-      } else {
-        return true
-      }
+      return this.mergedConfig.alwaysShowSubjectInput
     },
     postFormats () {
       return this.$store.state.instance.postFormats || []
@@ -170,7 +158,8 @@ const PostStatusForm = {
       return this.pollFormVisible &&
         this.newStatus.poll &&
         this.newStatus.poll.error
-    }
+    },
+    ...mapGetters(['mergedConfig'])
   },
   methods: {
     postStatus (newStatus) {

src/components/retweet_button/retweet_button.js

@@ -1,10 +1,9 @@
+import { mapGetters } from 'vuex'
+
 const RetweetButton = {
   props: ['status', 'loggedIn', 'visibility'],
   data () {
     return {
-      hidePostStatsLocal: typeof this.$store.state.config.hidePostStats === 'undefined'
-        ? this.$store.state.instance.hidePostStats
-        : this.$store.state.config.hidePostStats,
       animated: false
     }
   },
@@ -28,7 +27,8 @@ const RetweetButton = {
         'retweeted-empty': !this.status.repeated,
         'animate-spin': this.animated
       }
-    }
+    },
+    ...mapGetters(['mergedConfig'])
   }
 }
 

src/components/retweet_button/retweet_button.vue

@@ -7,7 +7,7 @@
         :title="$t('tool_tip.repeat')"
         @click.prevent="retweet()"
       />
-      <span v-if="!hidePostStatsLocal && status.repeat_num > 0">{{ status.repeat_num }}</span>
+      <span v-if="!mergedConfig.hidePostStats && status.repeat_num > 0">{{ status.repeat_num }}</span>
     </template>
     <template v-else>
       <i
@@ -23,7 +23,7 @@
       class="button-icon icon-retweet"
       :title="$t('tool_tip.repeat')"
     />
-    <span v-if="!hidePostStatsLocal && status.repeat_num > 0">{{ status.repeat_num }}</span>
+    <span v-if="!mergedConfig.hidePostStats && status.repeat_num > 0">{{ status.repeat_num }}</span>
   </div>
 </template>
 

src/components/status/status.js

@@ -15,6 +15,7 @@ import fileType from 'src/services/file_type/file_type.service'
 import { highlightClass, highlightStyle } from '../../services/user_highlighter/user_highlighter.js'
 import { mentionMatchesUrl, extractTagFromUrl } from 'src/services/matcher/matcher.service.js'
 import { filter, find, unescape, uniqBy } from 'lodash'
+import { mapGetters } from 'vuex'
 
 const Status = {
   name: 'Status',
@@ -42,20 +43,16 @@ const Status = {
       showingTall: this.inConversation && this.focused,
       showingLongSubject: false,
       error: null,
-      expandingSubject: typeof this.$store.state.config.collapseMessageWithSubject === 'undefined'
-        ? !this.$store.state.instance.collapseMessageWithSubject
-        : !this.$store.state.config.collapseMessageWithSubject,
+      expandingSubject: this.$store.getters.mergedConfig.collapseMessageWithSubject,
       betterShadow: this.$store.state.interface.browserSupport.cssFilter
     }
   },
   computed: {
     localCollapseSubjectDefault () {
-      return typeof this.$store.state.config.collapseMessageWithSubject === 'undefined'
-        ? this.$store.state.instance.collapseMessageWithSubject
-        : this.$store.state.config.collapseMessageWithSubject
+      return this.mergedConfig.collapseMessageWithSubject
     },
     muteWords () {
-      return this.$store.state.config.muteWords
+      return this.mergedConfig.muteWords
     },
     repeaterClass () {
       const user = this.statusoid.user
@@ -70,18 +67,18 @@ const Status = {
     },
     repeaterStyle () {
       const user = this.statusoid.user
-      const highlight = this.$store.state.config.highlight
+      const highlight = this.mergedConfig.highlight
       return highlightStyle(highlight[user.screen_name])
     },
     userStyle () {
       if (this.noHeading) return
       const user = this.retweet ? (this.statusoid.retweeted_status.user) : this.statusoid.user
-      const highlight = this.$store.state.config.highlight
+      const highlight = this.mergedConfig.highlight
       return highlightStyle(highlight[user.screen_name])
     },
     hideAttachments () {
-      return (this.$store.state.config.hideAttachments && !this.inConversation) ||
-        (this.$store.state.config.hideAttachmentsInConv && this.inConversation)
+      return (this.mergedConfig.hideAttachments && !this.inConversation) ||
+        (this.mergedConfig.hideAttachmentsInConv && this.inConversation)
     },
     userProfileLink () {
       return this.generateUserProfileLink(this.status.user.id, this.status.user.screen_name)
@@ -120,9 +117,7 @@ const Status = {
     },
     muted () { return !this.unmuted && ((!this.inProfile && this.status.user.muted) || (!this.inConversation && this.status.thread_muted) || this.muteWordHits.length > 0) },
     hideFilteredStatuses () {
-      return typeof this.$store.state.config.hideFilteredStatuses === 'undefined'
-        ? this.$store.state.instance.hideFilteredStatuses
-        : this.$store.state.config.hideFilteredStatuses
+      return this.mergedConfig.hideFilteredStatuses
     },
     hideStatus () {
       return (this.hideReply || this.deleted) || (this.muted && this.hideFilteredStatuses)
@@ -163,7 +158,7 @@ const Status = {
       }
     },
     hideReply () {
-      if (this.$store.state.config.replyVisibility === 'all') {
+      if (this.mergedConfig.replyVisibility === 'all') {
         return false
       }
       if (this.inConversation || !this.isReply) {
@@ -175,7 +170,7 @@ const Status = {
       if (this.status.type === 'retweet') {
         return false
       }
-      const checkFollowing = this.$store.state.config.replyVisibility === 'following'
+      const checkFollowing = this.mergedConfig.replyVisibility === 'following'
       for (var i = 0; i < this.status.attentions.length; ++i) {
         if (this.status.user.id === this.status.attentions[i].id) {
           continue
@@ -220,9 +215,7 @@ const Status = {
     replySubject () {
       if (!this.status.summary) return ''
       const decodedSummary = unescape(this.status.summary)
-      const behavior = typeof this.$store.state.config.subjectLineBehavior === 'undefined'
-        ? this.$store.state.instance.subjectLineBehavior
-        : this.$store.state.config.subjectLineBehavior
+      const behavior = this.mergedConfig.subjectLineBehavior
       const startsWithRe = decodedSummary.match(/^re[: ]/i)
       if ((behavior !== 'noop' && startsWithRe) || behavior === 'masto') {
         return decodedSummary
@@ -233,8 +226,8 @@ const Status = {
       }
     },
     attachmentSize () {
-      if ((this.$store.state.config.hideAttachments && !this.inConversation) ||
-        (this.$store.state.config.hideAttachmentsInConv && this.inConversation) ||
+      if ((this.mergedConfig.hideAttachments && !this.inConversation) ||
+        (this.mergedConfig.hideAttachmentsInConv && this.inConversation) ||
         (this.status.attachments.length > this.maxThumbnails)) {
         return 'hide'
       } else if (this.compact) {
@@ -246,7 +239,7 @@ const Status = {
       if (this.attachmentSize === 'hide') {
         return []
       }
-      return this.$store.state.config.playVideosInModal
+      return this.mergedConfig.playVideosInModal
         ? ['image', 'video']
         : ['image']
     },
@@ -261,7 +254,7 @@ const Status = {
       )
     },
     maxThumbnails () {
-      return this.$store.state.config.maxThumbnails
+      return this.mergedConfig.maxThumbnails
     },
     contentHtml () {
       if (!this.status.summary_html) {
@@ -284,10 +277,9 @@ const Status = {
       return this.status.tags.filter(tagObj => tagObj.hasOwnProperty('name')).map(tagObj => tagObj.name).join(' ')
     },
     hidePostStats () {
-      return typeof this.$store.state.config.hidePostStats === 'undefined'
-        ? this.$store.state.instance.hidePostStats
-        : this.$store.state.config.hidePostStats
-    }
+      return this.mergedConfig.hidePostStats
+    },
+    ...mapGetters(['mergedConfig'])
   },
   components: {
     Attachment,

src/components/user_card/user_card.js

@@ -5,15 +5,13 @@ import ModerationTools from '../moderation_tools/moderation_tools.vue'
 import { hex2rgb } from '../../services/color_convert/color_convert.js'
 import { requestFollow, requestUnfollow } from '../../services/follow_manipulate/follow_manipulate'
 import generateProfileLink from 'src/services/user_profile_link_generator/user_profile_link_generator'
+import { mapGetters } from 'vuex'
 
 export default {
   props: [ 'user', 'switcher', 'selected', 'hideBio', 'rounded', 'bordered', 'allowZoomingAvatar' ],
   data () {
     return {
       followRequestInProgress: false,
-      hideUserStatsLocal: typeof this.$store.state.config.hideUserStats === 'undefined'
-        ? this.$store.state.instance.hideUserStats
-        : this.$store.state.config.hideUserStats,
       betterShadow: this.$store.state.interface.browserSupport.cssFilter
     }
   },
@@ -73,7 +71,8 @@ export default {
         } else {
           this.$store.dispatch('setHighlight', { user: this.user.screen_name, color: undefined })
         }
-      }
+      },
+      ...mapGetters(['mergedConfig'])
     },
     userHighlightColor: {
       get () {
@@ -90,7 +89,8 @@ export default {
       const validRole = rights.admin || rights.moderator
       const roleTitle = rights.admin ? 'admin' : 'moderator'
       return validRole && roleTitle
-    }
+    },
+    ...mapGetters(['mergedConfig'])
   },
   components: {
     UserAvatar,

src/components/user_card/user_card.vue

@@ -81,7 +81,7 @@
               >{{ visibleRole }}</span>
               <span v-if="user.locked"><i class="icon icon-lock" /></span>
               <span
-                v-if="!hideUserStatsLocal && !hideBio"
+                v-if="!mergedConfig.hideUserStats && !hideBio"
                 class="dailyAvg"
               >{{ dailyAvg }} {{ $t('user_card.per_day') }}</span>
             </div>
@@ -262,7 +262,7 @@
       class="panel-body"
     >
       <div
-        v-if="!hideUserStatsLocal && switcher"
+        v-if="!mergedConfig.hideUserStats && switcher"
         class="user-counts"
       >
         <div

src/modules/config.js

@@ -40,8 +40,27 @@ const defaultState = {
   minimalScopesMode: undefined // instance default
 }
 
+// caching the instance default properties
+export const instanceDefaultProperties = Object.entries(defaultState)
+  .filter(([key, value]) => value === undefined)
+  .map(([key, value]) => key)
+
 const config = {
   state: defaultState,
+  getters: {
+    mergedConfig (state, getters, rootState, rootGetters) {
+      const { instance } = rootState
+      return {
+        ...state,
+        ...instanceDefaultProperties
+          .map(key => [key, state[key] === undefined
+            ? instance[key]
+            : state[key]
+          ])
+          .reduce((acc, [key, value]) => ({ ...acc, [key]: value }), {})
+      }
+    }
+  },
   mutations: {
     setOption (state, { name, value }) {
       set(state, name, value)