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Gracefully handle error if field was not defined (#2110)

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frozolotl 2023-09-12 19:26:35 +10:00 committed by GitHub
parent 3ca4c94870
commit 14d28dbf4e
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1 changed files with 5 additions and 2 deletions
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7
crates/typst-cli/src/query.rs
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@ -83,7 +83,7 @@ fn retrieve(
/// Format the query result in the output format. /// Format the query result in the output format.
fn format(elements: Vec<Content>, command: &QueryCommand) -> StrResult<String> { fn format(elements: Vec<Content>, command: &QueryCommand) -> StrResult<String> {
if command.one && elements.len() != 1 { if command.one && elements.len() != 1 {
bail!("expected exactly one element, found {}", elements.len()) bail!("expected exactly one element, found {}", elements.len());
} }
let mapped: Vec<_> = elements let mapped: Vec<_> = elements
@ -95,7 +95,10 @@ fn format(elements: Vec<Content>, command: &QueryCommand) -> StrResult<String> {
.collect(); .collect();
if command.one { if command.one {
serialize(&mapped[0], command.format) let Some(value) = mapped.get(0) else {
bail!("no such field found for element");
};
serialize(value, command.format)
} else { } else {
serialize(&mapped, command.format) serialize(&mapped, command.format)
} }