1 files changed, 39 insertions, 12 deletions

diff --git a/src/components/checkbox/checkbox.vue b/src/components/checkbox/checkbox.vue
index b6768d67..b8b77e7c 100644
--- a/src/components/checkbox/checkbox.vue
+++ b/src/components/checkbox/checkbox.vue
@@ -1,16 +1,21 @@
 <template>
   <label
     class="checkbox"
-    :class="{ disabled, indeterminate }"
+    :class="{ disabled, indeterminate, 'indeterminate-fix': indeterminateTransitionFix }"
   >
     <input
       type="checkbox"
+      class="visible-for-screenreader-only"
       :disabled="disabled"
       :checked="modelValue"
       :indeterminate="indeterminate"
       @change="$emit('update:modelValue', $event.target.checked)"
     >
-    <i class="checkbox-indicator" />
+    <i
+      class="checkbox-indicator"
+      :aria-hidden="true"
+      @transitionend.capture="onTransitionEnd"
+    />
     <span
       v-if="!!$slots.default"
       class="label"
@@ -27,12 +32,30 @@ export default {
     'indeterminate',
     'disabled'
   ],
-  emits: ['update:modelValue']
+  emits: ['update:modelValue'],
+  data: (vm) => ({
+    indeterminateTransitionFix: vm.indeterminate
+  }),
+  watch: {
+    indeterminate (e) {
+      if (e) {
+        this.indeterminateTransitionFix = true
+      }
+    }
+  },
+  methods: {
+    onTransitionEnd (e) {
+      if (!this.indeterminate) {
+        this.indeterminateTransitionFix = false
+      }
+    }
+  }
 }
 </script>
 
 <style lang="scss">
-@import '../../_variables.scss';
+@import "../../variables";
+@import "../../mixins";
 
 .checkbox {
   position: relative;
@@ -49,13 +72,13 @@ export default {
     right: 0;
     top: 0;
     display: block;
-    content: '✓';
+    content: "✓";
     transition: color 200ms;
     width: 1.1em;
     height: 1.1em;
     border-radius: $fallback--checkboxRadius;
     border-radius: var(--checkboxRadius, $fallback--checkboxRadius);
-    box-shadow: 0px 0px 2px black inset;
+    box-shadow: 0 0 2px black inset;
     box-shadow: var(--inputShadow);
     background-color: $fallback--fg;
     background-color: var(--input, $fallback--fg);
@@ -71,32 +94,36 @@ export default {
   &.disabled {
     .checkbox-indicator::before,
     .label {
-      opacity: .5;
+      opacity: 0.5;
     }
+
     .label {
       color: $fallback--faint;
       color: var(--faint, $fallback--faint);
     }
   }
 
-  input[type=checkbox] {
-    display: none;
-
+  input[type="checkbox"] {
     &:checked + .checkbox-indicator::before {
       color: $fallback--text;
       color: var(--inputText, $fallback--text);
     }
 
     &:indeterminate + .checkbox-indicator::before {
-      content: '–';
+      content: "–";
       color: $fallback--text;
       color: var(--inputText, $fallback--text);
     }
+  }
 
+  &.indeterminate-fix {
+    input[type="checkbox"] + .checkbox-indicator::before {
+      content: "–";
+    }
   }
 
   & > span {
-    margin-left: .5em;
+    margin-left: 0.5em;
   }
 }
 </style>