Upgrade prettier and reformat files as necessary

Upgrades prettier to 1.15.3
Runs `yarn prettier-save-all` against the codebase
Most changes are due to https://github.com/prettier/prettier/pull/5519

app/assets/javascripts/badges/components/badge_list_row.vue

@@ -55,7 +55,7 @@ export default {
           :disabled="badge.isDeleting"
           class="btn btn-default append-right-8"
           type="button"
-          @click="editBadge(badge);"
+          @click="editBadge(badge)"
         >
           <icon :size="16" :aria-label="__('Edit')" name="pencil" />
         </button>
@@ -65,7 +65,7 @@ export default {
           type="button"
           data-toggle="modal"
           data-target="#delete-badge-modal"
-          @click="updateBadgeInModal(badge);"
+          @click="updateBadgeInModal(badge)"
         >
           <icon :size="16" :aria-label="__('Delete')" name="remove" />
         </button>

app/assets/javascripts/boards/components/board_card.vue

@@ -86,7 +86,7 @@ export default {
     class="board-card"
     @mousedown="mouseDown"
     @mousemove="mouseMove"
-    @mouseup="showIssue($event);"
+    @mouseup="showIssue($event)"
   >
     <issue-card-inner
       :list="list"

app/assets/javascripts/boards/components/board_new_issue.vue

@@ -96,7 +96,7 @@ export default {
 <template>
   <div class="board-new-issue-form">
     <div class="board-card">
-      <form @submit="submit($event);">
+      <form @submit="submit($event)">
         <div v-if="error" class="flash-container">
           <div class="flash-alert">An error occurred. Please try again.</div>
         </div>

app/assets/javascripts/boards/components/issue_card_inner.vue

@@ -184,7 +184,7 @@ export default {
         :title="label.description"
         class="badge color-label append-right-4 prepend-top-4"
         type="button"
-        @click="filterByLabel(label);"
+        @click="filterByLabel(label)"
       >
         {{ label.title }}
       </button>

app/assets/javascripts/boards/components/modal/empty_state.vue

@@ -58,7 +58,7 @@ export default {
             v-if="activeTab === 'selected'"
             class="btn btn-default"
             type="button"
-            @click="changeTab('all');"
+            @click="changeTab('all')"
           >
             Open issues
           </button>

app/assets/javascripts/boards/components/modal/footer.vue

@@ -71,7 +71,7 @@ export default {
       <span class="inline add-issues-footer-to-list"> to list </span>
       <lists-dropdown />
     </div>
-    <button class="btn btn-default float-right" type="button" @click="toggleModal(false);">
+    <button class="btn btn-default float-right" type="button" @click="toggleModal(false)">
       Cancel
     </button>
   </footer>

app/assets/javascripts/boards/components/modal/header.vue

@@ -58,7 +58,7 @@ export default {
           class="close"
           data-dismiss="modal"
           aria-label="Close"
-          @click="toggleModal(false);"
+          @click="toggleModal(false)"
         >
           <span aria-hidden="true">×</span>
         </button>

app/assets/javascripts/boards/components/modal/list.vue

@@ -130,7 +130,7 @@ export default {
         <div
           :class="{ 'is-active': issue.selected }"
           class="board-card"
-          @click="toggleIssue($event, issue);"
+          @click="toggleIssue($event, issue)"
         >
           <issue-card-inner :issue="issue" :issue-link-base="issueLinkBase" :root-path="rootPath" />
           <icon

app/assets/javascripts/boards/components/modal/lists_dropdown.vue

@@ -38,7 +38,7 @@ export default {
             :class="{ 'is-active': list.id == selected.id }"
             href="#"
             role="button"
-            @click.prevent="modal.selectedList = list;"
+            @click.prevent="modal.selectedList = list"
           >
             <span :style="{ backgroundColor: list.label.color }" class="dropdown-label-box"> </span>
             {{ list.title }}

app/assets/javascripts/boards/components/modal/tabs.vue

@@ -21,12 +21,12 @@ export default {
   <div class="top-area prepend-top-10 append-bottom-10">
     <ul class="nav-links issues-state-filters">
       <li :class="{ active: activeTab == 'all' }">
-        <a href="#" role="button" @click.prevent="changeTab('all');">
+        <a href="#" role="button" @click.prevent="changeTab('all')">
           Open issues <span class="badge badge-pill"> {{ issuesCount }} </span>
         </a>
       </li>
       <li :class="{ active: activeTab == 'selected' }">
-        <a href="#" role="button" @click.prevent="changeTab('selected');">
+        <a href="#" role="button" @click.prevent="changeTab('selected')">
           Selected issues <span class="badge badge-pill"> {{ selectedCount }} </span>
         </a>
       </li>

app/assets/javascripts/diffs/components/diff_content.vue

@@ -127,7 +127,7 @@ export default {
             :save-button-title="__('Comment')"
             class="diff-comment-form new-note discussion-form discussion-form-container"
             @handleFormUpdate="handleSaveNote"
-            @cancelForm="closeDiffFileCommentForm(diffFile.file_hash);"
+            @cancelForm="closeDiffFileCommentForm(diffFile.file_hash)"
           />
         </div>
       </diff-viewer>

app/assets/javascripts/diffs/components/diff_discussions.vue

@@ -68,7 +68,7 @@ export default {
             }"
             type="button"
             class="js-diff-notes-toggle"
-            @click="toggleDiscussion({ discussionId: discussion.id });"
+            @click="toggleDiscussion({ discussionId: discussion.id })"
           >
             <icon v-if="discussion.expanded" name="collapse" class="collapse-icon" />
             <template v-else>

app/assets/javascripts/diffs/components/diff_file_header.vue

@@ -145,7 +145,7 @@ export default {
   <div
     ref="header"
     class="js-file-title file-title file-title-flex-parent"
-    @click="handleToggleFile($event, true);"
+    @click="handleToggleFile($event, true)"
   >
     <div class="file-header-content">
       <icon

app/assets/javascripts/diffs/components/diff_line_gutter_content.vue

@@ -179,7 +179,7 @@ export default {
         v-if="lineNumber"
         :data-linenumber="lineNumber"
         :href="lineHref"
-        @click="setHighlightedRow(lineCode);"
+        @click="setHighlightedRow(lineCode)"
       >
       </a>
       <diff-gutter-avatars v-if="shouldShowAvatarsOnGutter" :discussions="line.discussions" />

app/assets/javascripts/diffs/components/image_diff_overlay.vue

@@ -97,7 +97,7 @@ export default {
       v-if="canComment"
       type="button"
       class="btn-transparent position-absolute image-diff-overlay-add-comment w-100 h-100 js-add-image-diff-note-button"
-      @click="clickedImage($event.offsetX, $event.offsetY);"
+      @click="clickedImage($event.offsetX, $event.offsetY)"
     >
       <span class="sr-only"> {{ __('Add image comment') }} </span>
     </button>
@@ -109,7 +109,7 @@ export default {
       :disabled="!shouldToggleDiscussion"
       class="js-image-badge"
       type="button"
-      @click="toggleDiscussion({ discussionId: discussion.id });"
+      @click="toggleDiscussion({ discussionId: discussion.id })"
     >
       <icon v-if="showCommentIcon" name="image-comment-dark" />
       <template v-else>

app/assets/javascripts/diffs/components/tree_list.vue

@@ -81,7 +81,7 @@ export default {
           :placeholder="s__('MergeRequest|Filter files')"
           type="search"
           class="form-control"
-          @focus="toggleFocusSearch(true);"
+          @focus="toggleFocusSearch(true)"
           @blur="blurSearch"
         />
         <button
@@ -104,7 +104,7 @@ export default {
           }"
           class="btn btn-default pt-0 pb-0 d-flex align-items-center"
           type="button"
-          @click="toggleRenderTreeList(false);"
+          @click="toggleRenderTreeList(false)"
         >
           <icon name="hamburger" />
         </button>
@@ -117,7 +117,7 @@ export default {
           }"
           class="btn btn-default pt-0 pb-0 d-flex align-items-center"
           type="button"
-          @click="toggleRenderTreeList(true);"
+          @click="toggleRenderTreeList(true)"
         >
           <icon name="file-tree" />
         </button>

app/assets/javascripts/environments/components/environment_actions.vue

@@ -92,7 +92,7 @@ export default {
           :disabled="isActionDisabled(action)"
           type="button"
           class="js-manual-action-link no-btn btn d-flex align-items-center"
-          @click="onClickAction(action);"
+          @click="onClickAction(action)"
         >
           <span class="flex-fill"> {{ action.name }} </span>
           <span v-if="action.scheduledAt" class="text-secondary">

app/assets/javascripts/filtered_search/components/recent_searches_dropdown_content.vue

@@ -66,7 +66,7 @@ export default {
         <button
           type="button"
           class="filtered-search-history-dropdown-item"
-          @click="onItemActivated(item.text);"
+          @click="onItemActivated(item.text)"
         >
           <span>
             <span
@@ -88,7 +88,7 @@ export default {
         <button
           type="button"
           class="filtered-search-history-clear-button"
-          @click="onRequestClearRecentSearches($event);"
+          @click="onRequestClearRecentSearches($event)"
         >
           Clear recent searches
         </button>

app/assets/javascripts/ide/components/activity_bar.vue

@@ -45,7 +45,7 @@ export default {
           data-placement="right"
           type="button"
           class="ide-sidebar-link js-ide-edit-mode"
-          @click.prevent="changedActivityView($event, $options.activityBarViews.edit);"
+          @click.prevent="changedActivityView($event, $options.activityBarViews.edit)"
         >
           <icon name="code" />
         </button>
@@ -62,7 +62,7 @@ export default {
           data-placement="right"
           type="button"
           class="ide-sidebar-link js-ide-review-mode"
-          @click.prevent="changedActivityView($event, $options.activityBarViews.review);"
+          @click.prevent="changedActivityView($event, $options.activityBarViews.review)"
         >
           <icon name="file-modified" />
         </button>
@@ -79,7 +79,7 @@ export default {
           data-placement="right"
           type="button"
           class="ide-sidebar-link js-ide-commit-mode"
-          @click.prevent="changedActivityView($event, $options.activityBarViews.commit);"
+          @click.prevent="changedActivityView($event, $options.activityBarViews.commit)"
         >
           <icon name="commit" />
         </button>

app/assets/javascripts/ide/components/commit_sidebar/message_field.vue

@@ -111,8 +111,8 @@ export default {
           name="commit-message"
           @scroll="handleScroll"
           @input="onInput"
-          @focus="updateIsFocused(true);"
-          @blur="updateIsFocused(false);"
+          @focus="updateIsFocused(true)"
+          @blur="updateIsFocused(false)"
           @keydown.ctrl.enter="onCtrlEnter"
           @keydown.meta.enter="onCtrlEnter"
         >