codetether-agent 4.7.0-a-002.4

A2A-native AI coding agent for the CodeTether ecosystem
Documentation 
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//! Input-extraction helpers for required and optional browserctl fields.

use anyhow::Result;

/// Return a required string field.
///
/// # Errors
///
/// Returns an error when the option is absent or empty.
pub(super) fn require_string<'a>(value: &'a Option<String>, field: &str) -> Result<&'a str> {
    value
        .as_deref()
        .filter(|v| !v.trim().is_empty())
        .ok_or_else(|| anyhow::anyhow!("{field} is required for this browserctl action"))
}

/// Return a required tab index field.
///
/// # Errors
///
/// Returns an error when the option is absent.
pub(super) fn require_index(value: Option<usize>, field: &str) -> Result<usize> {
    value.ok_or_else(|| anyhow::anyhow!("{field} is required for this browserctl action"))
}

/// Return a required coordinate field.
///
/// # Errors
///
/// Returns an error when the option is absent.
pub(super) fn require_point(value: Option<f64>, field: &str) -> Result<f64> {
    value.ok_or_else(|| anyhow::anyhow!("{field} is required for this browserctl action"))
}

/// Return a non-empty optional string field.
pub(super) fn optional_string(value: &Option<String>) -> Option<&str> {
    value.as_deref().filter(|v| !v.trim().is_empty())
}