How to make view the size of another view in SwiftUI

Question

I\'m trying to recreate a portion of the Twitter iOS app to learn SwiftUI and am wondering how to dynamically change the width of one view to be the width of another view. I

Answer 1

Here's a super simple solution, although it doesn't account for the tabs being stretched full width - but that should just be minor additional math for calculating the padding.

import SwiftUI

struct HorizontalTabs: View {

  private let tabsSpacing = CGFloat(16)

  private func tabWidth(at index: Int) -> CGFloat {
    let label = UILabel()
    label.text = tabs[index]
    let labelWidth = label.intrinsicContentSize.width
    return labelWidth
  }

  private var leadingPadding: CGFloat {
    var padding: CGFloat = 0
    for i in 0..

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HorizontalTabs(tabs: ["one", "two", "three"]) renders this: