feat(b-form-tags): add ignoreInputFocusSelector prop to make input focus behavior configurable (closes #5425) (#5429)

* fix(b-form-tags): fix input focus upon clicking on nested element

* Update form-tags.js

* Add `ignoreInputFocusSelector` prop

* Update form-tags.js

* Add comment and more selectors to ignoreInputFocusSelector in form-tags.js

Co-authored-by: Jacob Müller <jacob.mueller.elz@gmail.com>

Author: paweltatarczuk

src/components/form-tags/form-tags.js

@@ -6,7 +6,15 @@ import identity from '../../utils/identity'
 import looseEqual from '../../utils/loose-equal'
 import { arrayIncludes, concat } from '../../utils/array'
 import { getComponentConfig } from '../../utils/config'
-import { attemptBlur, attemptFocus, matches, requestAF, select } from '../../utils/dom'
+import {
+  attemptBlur,
+  attemptFocus,
+  closest,
+  isActiveElement,
+  matches,
+  requestAF,
+  select
+} from '../../utils/dom'
 import { isEvent, isFunction, isString } from '../../utils/inspect'
 import { escapeRegExp, toString, trim, trimLeft } from '../../utils/string'
 import idMixin from '../../mixins/id'
@@ -178,6 +186,12 @@ export const BFormTags = /*#__PURE__*/ Vue.extend({
       type: Boolean,
       default: false
     },
+    ignoreInputFocusSelector: {
+      // Disable the input focus behavior when clicking
+      // on element matching the selector (or selectors)
+      type: [Array, String],
+      default: () => ['.b-form-tag', 'button', 'input', 'select']
+    },
     value: {
       // The v-model prop
       type: Array,
@@ -245,6 +259,13 @@ export const BFormTags = /*#__PURE__*/ Vue.extend({
       const joiner = this.computedSeparator.charAt(0)
       return joiner !== ' ' ? `${joiner} ` : joiner
     },
+    computeIgnoreInputFocusSelector() {
+      // Normalize to an single selector with selectors separated by `,`
+      return concat(this.ignoreInputFocusSelector)
+        .filter(identity)
+        .join(',')
+        .trim()
+    },
     disableAddButton() {
       // If 'Add' button should be disabled
       // If the input contains at least one tag that can
@@ -416,7 +437,13 @@ export const BFormTags = /*#__PURE__*/ Vue.extend({
     },
     // --- Wrapper event handlers ---
     onClick(evt) {
-      if (!this.disabled && isEvent(evt) && evt.target === evt.currentTarget) {
+      const ignoreFocusSelector = this.computeIgnoreInputFocusSelector
+      const { target } = evt
+      if (
+        !this.disabled &&
+        !isActiveElement(target) &&
+        (!ignoreFocusSelector || !closest(ignoreFocusSelector, target, true))
+      ) {
         this.$nextTick(() => {
           this.focus()
         })
@@ -630,8 +657,7 @@ export const BFormTags = /*#__PURE__*/ Vue.extend({
           staticClass: 'list-unstyled mt-n1 mb-0 d-flex flex-wrap align-items-center',
           attrs: { id: tagListId }
         },
-        // `concat()` is faster than array spread when args are known to be arrays
-        concat($tags, $field)
+        [$tags, $field]
       )
 
       // Assemble the feedback
@@ -792,12 +818,12 @@ export const BFormTags = /*#__PURE__*/ Vue.extend({
           'aria-describedby': this.safeId('_selected_')
         },
         on: {
+          click: this.onClick,
           focusin: this.onFocusin,
-          focusout: this.onFocusout,
-          click: this.onClick
+          focusout: this.onFocusout
         }
       },
-      concat($output, $removed, $content, $hidden)
+      [$output, $removed, $content, $hidden]
     )
   }
 })

src/components/form-tags/package.json

@@ -110,6 +110,11 @@
           {
             "prop": "noOuterFocus",
             "description": "When set, disables the focus styling of the component root element"
+          },
+          {
+            "prop": "ignoreInputFocusSelector",
+            "version": "2.16.0",
+            "description": "Ignore certain elements from the click to focus input routine, specified by css selector(s)"
           }
         ],
         "slots": [