webpack.AppendOnlyStackedSet

new AppendOnlyStackedSet(): AppendOnlyStackedSet

Iterates over the stacked sets from newest to oldest so consumers can inspect recently added values first.

add(el): void

• el {T}
• Returns: {void}

Adds a value to the current scope layer, creating that layer lazily when the first write occurs.

clear(): void

Removes every scope layer and any values accumulated in them.

createChild(): AppendOnlyStackedSet

Creates a child stacked set that shares the existing scope history while allowing subsequent additions to be recorded in its own new layer.

has(el): void

• el {T}
• Returns: <boolean>

Checks whether a value is present in any scope layer currently visible to this stacked set.