39 lines
1.1 KiB
Swift
39 lines
1.1 KiB
Swift
// Copyright 2021 Tokamak contributors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import TokamakCore
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public protocol DOMActionModifier {
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var listeners: [String: Listener] { get }
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}
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extension ModifiedContent
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where Content: AnyDynamicHTML, Modifier: DOMActionModifier
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{
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// Merge listeners
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var listeners: [String: Listener] {
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var attr = content.listeners
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for (key, val) in modifier.listeners {
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if let prev = attr[key] {
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attr[key] = { input in
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val(input)
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prev(input)
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}
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}
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}
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return attr
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}
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}
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