chartml-core 4.0.0

ChartML core library: YAML parser, plugin system, element tree, data model
Documentation 
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use async_trait::async_trait;
use serde::{Deserialize, Serialize};
use crate::error::ChartError;

/// Connection configuration resolved from a datasource slug.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct ConnectionConfig {
    pub provider: String,
    pub connection_string: Option<String>,
    pub config: std::collections::HashMap<String, serde_json::Value>,
}

/// Datasource resolver — resolves a slug to connection config.
#[cfg_attr(not(target_arch = "wasm32"), async_trait)]
#[cfg_attr(target_arch = "wasm32", async_trait(?Send))]
pub trait DatasourceResolver: Send + Sync {
    async fn resolve(&self, slug: &str) -> Result<ConnectionConfig, ChartError>;
}