Boost execute function, being able to handle arguments (#36652)

js/src/dropdown.js

@@ -8,6 +8,7 @@
 import * as Popper from '@popperjs/core'
 import {
   defineJQueryPlugin,
+  execute,
   getElement,
   getNextActiveElement,
   isDisabled,
@@ -319,7 +320,7 @@ class Dropdown extends BaseComponent {
 
     return {
       ...defaultBsPopperConfig,
-      ...(typeof this._config.popperConfig === 'function' ? this._config.popperConfig(defaultBsPopperConfig) : this._config.popperConfig)
+      ...execute(this._config.popperConfig, [defaultBsPopperConfig])
     }
   }
 

js/src/tooltip.js

@@ -6,7 +6,7 @@
  */
 
 import * as Popper from '@popperjs/core'
-import { defineJQueryPlugin, findShadowRoot, getElement, getUID, isRTL, noop } from './util/index'
+import { defineJQueryPlugin, execute, findShadowRoot, getElement, getUID, isRTL, noop } from './util/index'
 import { DefaultAllowlist } from './util/sanitizer'
 import EventHandler from './dom/event-handler'
 import Manipulator from './dom/manipulator'
@@ -370,9 +370,7 @@ class Tooltip extends BaseComponent {
   }
 
   _createPopper(tip) {
-    const placement = typeof this._config.placement === 'function' ?
-      this._config.placement.call(this, tip, this._element) :
-      this._config.placement
+    const placement = execute(this._config.placement, [this, tip, this._element])
     const attachment = AttachmentMap[placement.toUpperCase()]
     return Popper.createPopper(this._element, tip, this._getPopperConfig(attachment))
   }
@@ -392,7 +390,7 @@ class Tooltip extends BaseComponent {
   }
 
   _resolvePossibleFunction(arg) {
-    return typeof arg === 'function' ? arg.call(this._element) : arg
+    return execute(arg, [this._element])
   }
 
   _getPopperConfig(attachment) {
@@ -438,7 +436,7 @@ class Tooltip extends BaseComponent {
 
     return {
       ...defaultBsPopperConfig,
-      ...(typeof this._config.popperConfig === 'function' ? this._config.popperConfig(defaultBsPopperConfig) : this._config.popperConfig)
+      ...execute(this._config.popperConfig, [defaultBsPopperConfig])
     }
   }
 

js/src/util/index.js

@@ -249,10 +249,8 @@ const defineJQueryPlugin = plugin => {
   })
 }
 
-const execute = callback => {
-  if (typeof callback === 'function') {
-    callback()
-  }
+const execute = (possibleCallback, args = [], defaultValue = possibleCallback) => {
+  return typeof possibleCallback === 'function' ? possibleCallback(...args) : defaultValue
 }
 
 const executeAfterTransition = (callback, transitionElement, waitForTransition = true) => {

js/src/util/template-factory.js

@@ -6,7 +6,7 @@
  */
 
 import { DefaultAllowlist, sanitizeHtml } from './sanitizer'
-import { getElement, isElement } from '../util/index'
+import { execute, getElement, isElement } from '../util/index'
 import SelectorEngine from '../dom/selector-engine'
 import Config from './config'
 
@@ -143,7 +143,7 @@ class TemplateFactory extends Config {
   }
 
   _resolvePossibleFunction(arg) {
-    return typeof arg === 'function' ? arg(this) : arg
+    return execute(arg, [this])
   }
 
   _putElementInTemplate(element, templateElement) {

js/tests/unit/util/index.spec.js

@@ -631,6 +631,25 @@ describe('Util', () => {
       Util.execute(spy)
       expect(spy).toHaveBeenCalled()
     })
+
+    it('should execute if arg is function & return the result', () => {
+      const functionFoo = (num1, num2 = 10) => num1 + num2
+      const resultFoo = Util.execute(functionFoo, [4, 5])
+      expect(resultFoo).toBe(9)
+
+      const resultFoo1 = Util.execute(functionFoo, [4])
+      expect(resultFoo1).toBe(14)
+
+      const functionBar = () => 'foo'
+      const resultBar = Util.execute(functionBar)
+      expect(resultBar).toBe('foo')
+    })
+
+    it('should not execute if arg is not function & return default argument', () => {
+      const foo = 'bar'
+      expect(Util.execute(foo)).toBe('bar')
+      expect(Util.execute(foo, [], 4)).toBe(4)
+    })
   })
 
   describe('executeAfterTransition', () => {