* feat: update #4518, add examples for env,let-env,rm,touch and date list-timezone * fix typo * update example for `date list-timezone` command
62 lines
1.7 KiB
Rust
62 lines
1.7 KiB
Rust
use chrono_tz::TZ_VARIANTS;
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use nu_protocol::ast::Call;
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use nu_protocol::engine::{Command, EngineState, Stack};
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use nu_protocol::{
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Category, Example, IntoInterruptiblePipelineData, PipelineData, Signature, Span, Value,
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};
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#[derive(Clone)]
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pub struct SubCommand;
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impl Command for SubCommand {
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fn name(&self) -> &str {
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"date list-timezone"
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}
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fn signature(&self) -> Signature {
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Signature::build("date list-timezone").category(Category::Date)
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}
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fn usage(&self) -> &str {
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"List supported time zones."
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}
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fn run(
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&self,
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engine_state: &EngineState,
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_stack: &mut Stack,
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call: &Call,
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_input: PipelineData,
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) -> Result<nu_protocol::PipelineData, nu_protocol::ShellError> {
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let span = call.head;
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Ok(TZ_VARIANTS
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.iter()
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.map(move |x| {
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let cols = vec!["timezone".into()];
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let vals = vec![Value::String {
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val: x.name().to_string(),
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span,
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}];
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Value::Record { cols, vals, span }
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})
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.into_iter()
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.into_pipeline_data(engine_state.ctrlc.clone()))
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}
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fn examples(&self) -> Vec<Example> {
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vec![Example {
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example: "date list-timezone | where timezone =~ Shanghai",
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description: "Show timezone(s) that contains 'Shanghai'",
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result: Some(Value::List {
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vals: vec![Value::Record {
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cols: vec!["timezone".into()],
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vals: vec![Value::test_string("Asia/Shanghai")],
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span: Span::test_data(),
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}],
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span: Span::test_data(),
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}),
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}]
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}
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}
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