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# Description As part of the refactor to split spans off of Value, this moves to using helper functions to create values, and using `.span()` instead of matching span out of Value directly. Hoping to get a few more helping hands to finish this, as there are a lot of commands to update :) # User-Facing Changes <!-- List of all changes that impact the user experience here. This helps us keep track of breaking changes. --> # Tests + Formatting <!-- Don't forget to add tests that cover your changes. Make sure you've run and fixed any issues with these commands: - `cargo fmt --all -- --check` to check standard code formatting (`cargo fmt --all` applies these changes) - `cargo clippy --workspace -- -D warnings -D clippy::unwrap_used` to check that you're using the standard code style - `cargo test --workspace` to check that all tests pass (on Windows make sure to [enable developer mode](https://learn.microsoft.com/en-us/windows/apps/get-started/developer-mode-features-and-debugging)) - `cargo run -- -c "use std testing; testing run-tests --path crates/nu-std"` to run the tests for the standard library > **Note** > from `nushell` you can also use the `toolkit` as follows > ```bash > use toolkit.nu # or use an `env_change` hook to activate it automatically > toolkit check pr > ``` --> # After Submitting <!-- If your PR had any user-facing changes, update [the documentation](https://github.com/nushell/nushell.github.io) after the PR is merged, if necessary. This will help us keep the docs up to date. --> --------- Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com> Co-authored-by: WindSoilder <windsoilder@outlook.com>
65 lines
1.7 KiB
Rust
65 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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record, Category, Example, IntoInterruptiblePipelineData, PipelineData, Record, ShellError,
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Signature, Span, Type, 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")
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.input_output_types(vec![(Type::Nothing, Type::Table(vec![]))])
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.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 search_terms(&self) -> Vec<&str> {
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vec!["UTC", "GMT", "tz"]
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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<PipelineData, 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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Value::record(
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record! { "timezone" => Value::string(x.name(), span) },
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span,
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)
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})
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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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vec![Value::test_record(Record {
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cols: vec!["timezone".into()],
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vals: vec![Value::test_string("Asia/Shanghai")],
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})],
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Span::test_data(),
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)),
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}]
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}
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}
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