Tokamak/Sources/TokamakStaticHTML/Views/Head/Meta.swift

84 lines
2.1 KiB
Swift

// Copyright 2022 Tokamak contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Created by Andrew Barba on 5/20/22.
//
import TokamakCore
public struct HTMLMeta: View {
public enum MetaTag: Equatable, Hashable {
case charset(_ charset: String)
case name(_ name: String, content: String)
case property(_ property: String, content: String)
case httpEquiv(_ httpEquiv: String, content: String)
}
var meta: MetaTag
public init(_ value: MetaTag) {
meta = value
}
public init(charset: String) {
meta = .charset(charset)
}
public init(name: String, content: String) {
meta = .name(name, content: content)
}
public init(property: String, content: String) {
meta = .property(property, content: content)
}
public init(httpEquiv: String, content: String) {
meta = .httpEquiv(httpEquiv, content: content)
}
public var body: some View {
EmptyView()
.preference(key: HTMLMetaPreferenceKey.self, value: [meta])
}
}
public extension View {
func htmlMeta(_ value: HTMLMeta.MetaTag) -> some View {
htmlMeta(.init(value))
}
func htmlMeta(charset: String) -> some View {
htmlMeta(.init(charset: charset))
}
func htmlMeta(name: String, content: String) -> some View {
htmlMeta(.init(name: name, content: content))
}
func htmlMeta(property: String, content: String) -> some View {
htmlMeta(.init(property: property, content: content))
}
func htmlMeta(httpEquiv: String, content: String) -> some View {
htmlMeta(.init(httpEquiv: httpEquiv, content: content))
}
func htmlMeta(_ meta: HTMLMeta) -> some View {
Group {
self
meta
}
}
}