Mar 18, 2025 · Mar 18, 2025 · Mar 18, 2025 · Mar 18, 2025 · Jul 15, 2025 · Mar 18, 2025
diff --git a/packages/compiler-core/src/runtimeHelpers.ts b/packages/compiler-core/src/runtimeHelpers.ts
 export const TO_HANDLER_KEY: unique symbol = Symbol(
  __DEV__ ? `toHandlerKey` : ``,
 )
 export const CHECK_DYNAMIC_EVENT: unique symbol = Symbol(
  __DEV__ ? `checkDynamicEvent` : ``,
 )
 export const SET_BLOCK_TRACKING: unique symbol = Symbol(
  __DEV__ ? `setBlockTracking` : ``,
 )
  [CAMELIZE]: `camelize`,
  [CAPITALIZE]: `capitalize`,
  [TO_HANDLER_KEY]: `toHandlerKey`,
  [CHECK_DYNAMIC_EVENT]: `checkDynamicEvent`,
  [SET_BLOCK_TRACKING]: `setBlockTracking`,
  [PUSH_SCOPE_ID]: `pushScopeId`,
  [POP_SCOPE_ID]: `popScopeId`,
diff --git a/packages/compiler-dom/src/transforms/vOn.ts b/packages/compiler-dom/src/transforms/vOn.ts
 import {
  CHECK_DYNAMIC_EVENT,
  CompilerDeprecationTypes,
  type DirectiveTransform,
  type ExpressionNode,
      const modifierPostfix = eventOptionModifiers.map(capitalize).join('')
      key = isStaticExp(key)
        ? createSimpleExpression(`${key.content}${modifierPostfix}`, true)
        : createCompoundExpression([`(`, key, `) + "${modifierPostfix}"`])
        : createCompoundExpression([
            `${context.helperString(CHECK_DYNAMIC_EVENT)}(`,
            key,
            `,"${modifierPostfix}")`,
          ])
    }

    return {
diff --git a/packages/runtime-core/src/helpers/toHandlers.ts b/packages/runtime-core/src/helpers/toHandlers.ts
  }
  return ret
 }

 export function checkDynamicEvent(
  eventName: string,
  modifierPostfix: string,
 ): string {
  if (eventName != null && eventName !== '') return eventName + modifierPostfix
  return ''
 }
diff --git a/packages/runtime-core/src/index.ts b/packages/runtime-core/src/index.ts
  withScopeId,
 } from './componentRenderContext'
 export { renderList } from './helpers/renderList'
 export { toHandlers } from './helpers/toHandlers'
 export { toHandlers, checkDynamicEvent } from './helpers/toHandlers'
 export { renderSlot } from './helpers/renderSlot'
 export { createSlots } from './helpers/createSlots'
 export { withMemo, isMemoSame } from './helpers/withMemo'
Original file line number	Diff line number	Diff line change
Expand Up		@@ -63,6 +63,9 @@ export const CAPITALIZE: unique symbol = Symbol(__DEV__ ? `capitalize` : ``)
		export const TO_HANDLER_KEY: unique symbol = Symbol(
		__DEV__ ? `toHandlerKey` : ``,
		)
		export const CHECK_DYNAMIC_EVENT: unique symbol = Symbol(
		__DEV__ ? `checkDynamicEvent` : ``,
		)
		export const SET_BLOCK_TRACKING: unique symbol = Symbol(
		__DEV__ ? `setBlockTracking` : ``,
		)
Expand DownExpand Up		@@ -115,6 +118,7 @@ export const helperNameMap: Record<symbol, string> = {
		[CAMELIZE]: `camelize`,
		[CAPITALIZE]: `capitalize`,
		[TO_HANDLER_KEY]: `toHandlerKey`,
		[CHECK_DYNAMIC_EVENT]: `checkDynamicEvent`,
		[SET_BLOCK_TRACKING]: `setBlockTracking`,
		[PUSH_SCOPE_ID]: `pushScopeId`,
		[POP_SCOPE_ID]: `popScopeId`,
Expand Down
Original file line number	Diff line number	Diff line change
		@@ -1,4 +1,5 @@
		import {
		CHECK_DYNAMIC_EVENT,
		CompilerDeprecationTypes,
		type DirectiveTransform,
		type ExpressionNode,
Expand DownExpand Up		@@ -144,7 +145,11 @@ export const transformOn: DirectiveTransform = (dir, node, context) => {
		const modifierPostfix = eventOptionModifiers.map(capitalize).join('')
		key = isStaticExp(key)
		? createSimpleExpression(`${key.content}${modifierPostfix}`, true)
		: createCompoundExpression([`(`, key, `) + "${modifierPostfix}"`])
		: createCompoundExpression([
		`${context.helperString(CHECK_DYNAMIC_EVENT)}(`,
		key,
		`,"${modifierPostfix}")`,
		])
		}

		return {
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -23,3 +23,11 @@ export function toHandlers(
		}
		return ret
		}

		export function checkDynamicEvent(
		eventName: string,
		modifierPostfix: string,
		): string {
		if (eventName != null && eventName !== '') return eventName + modifierPostfix
		return ''
		}
Original file line number	Diff line number	Diff line change
Expand Up		@@ -358,7 +358,7 @@ export {
		withScopeId,
		} from './componentRenderContext'
		export { renderList } from './helpers/renderList'
		export { toHandlers } from './helpers/toHandlers'
		export { toHandlers, checkDynamicEvent } from './helpers/toHandlers'
		export { renderSlot } from './helpers/renderSlot'
		export { createSlots } from './helpers/createSlots'
		export { withMemo, isMemoSame } from './helpers/withMemo'
Expand Down