mirror of
https://github.com/typst/typst
synced 2025-08-13 14:47:54 +08:00
35 lines
999 B
Rust
35 lines
999 B
Rust
use crate::diag::SourceResult;
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use crate::engine::Engine;
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use crate::foundations::{elem, Content, Packed, Show, StyleChain};
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/// Hides content without affecting layout.
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///
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/// The `hide` function allows you to hide content while the layout still 'sees'
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/// it. This is useful to create whitespace that is exactly as large as some
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/// content. It may also be useful to redact content because its arguments are
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/// not included in the output.
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///
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/// # Example
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/// ```example
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/// Hello Jane \
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/// #hide[Hello] Joe
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/// ```
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#[elem(Show)]
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pub struct HideElem {
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/// The content to hide.
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#[required]
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pub body: Content,
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/// This style is set on the content contained in the `hide` element.
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#[internal]
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#[ghost]
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pub hidden: bool,
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}
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impl Show for Packed<HideElem> {
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#[typst_macros::time(name = "hide", span = self.span())]
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fn show(&self, _: &mut Engine, _: StyleChain) -> SourceResult<Content> {
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Ok(self.body.clone().styled(HideElem::set_hidden(true)))
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}
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}
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