nushell/crates/nu-utils/src/emoji.rs
Darren Schroeder 89436e978b
add special emoji handling for debug --raw (#11368)
# Description

This PR add special handling in `debug -r` for emoji's so that it prints
the code points.

### Before
```nushell
❯ emoji --list | where name =~ farmer | reject utf8_bytes | get 0.emoji | debug -r
String {
    val: "🧑\u{200d}🌾",
    internal_span: Span {
        start: 0,
        end: 0,
    },
}
```

### After
```nushell
❯ emoji --list | where name =~ farmer | reject utf8_bytes | get 0.emoji | debug -r
String {
    val: "\\u{1f9d1}\\u{200d}\\u{1f33e}",
    internal_span: Span {
        start: 0,
        end: 0,
    },
}
```

# 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.
-->
2023-12-19 13:09:31 -06:00

17 lines
604 B
Rust

pub fn contains_emoji(val: &str) -> bool {
// Let's do some special handling for emojis
const ZERO_WIDTH_JOINER: &str = "\u{200d}";
const VARIATION_SELECTOR_16: &str = "\u{fe0f}";
const SKIN_TONES: [&str; 5] = [
"\u{1f3fb}", // Light Skin Tone
"\u{1f3fc}", // Medium-Light Skin Tone
"\u{1f3fd}", // Medium Skin Tone
"\u{1f3fe}", // Medium-Dark Skin Tone
"\u{1f3ff}", // Dark Skin Tone
];
val.contains(ZERO_WIDTH_JOINER)
|| val.contains(VARIATION_SELECTOR_16)
|| SKIN_TONES.iter().any(|skin_tone| val.contains(skin_tone))
}