morph-cli 0.1.0

AST-based codebase migration and codemod tool for JavaScript and TypeScript projects.
Documentation
use serde::{Deserialize, Serialize};
use std::path::PathBuf;
use anyhow::Result;

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SuggestionRequest {
    pub file_path: PathBuf,
    pub content: String,
    pub diagnostics: Vec<String>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SuggestionResponse {
    pub suggestions: Vec<AiSuggestion>,
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct AiSuggestion {
    pub title: String,
    pub description: String,
    pub code_snippet: Option<String>,
    pub confidence: u8,
}

pub trait AiProvider {
    fn name(&self) -> &str;
    fn suggest(&self, request: SuggestionRequest) -> Result<SuggestionResponse>;
}

pub struct LocalPlaceholderProvider;

impl AiProvider for LocalPlaceholderProvider {
    fn name(&self) -> &str {
        "local-placeholder"
    }

    fn suggest(&self, request: SuggestionRequest) -> Result<SuggestionResponse> {
        let mut suggestions = Vec::new();

        // Heuristic-based suggestions using diagnostics
        for diagnostic in &request.diagnostics {
            if diagnostic.contains("require") {
                suggestions.push(AiSuggestion {
                    title: "Convert to ESM Import".to_string(),
                    description: format!("Detected CommonJS pattern: '{}'. Consider migrating to ESM for better tree-shaking.", diagnostic),
                    code_snippet: Some("import name from 'source';".to_string()),
                    confidence: 90,
                });
            } else if diagnostic.contains("complexity") {
                suggestions.push(AiSuggestion {
                    title: "Refactor Complex Module".to_string(),
                    description: "This module has been flagged as high complexity. Consider splitting into smaller functional components.".to_string(),
                    code_snippet: None,
                    confidence: 70,
                });
            }
        }

        if suggestions.is_empty() {
            suggestions.push(AiSuggestion {
                title: "Optimize Modernization".to_string(),
                description: "Review this file for potential TypeScript adoption or modern ES features.".to_string(),
                code_snippet: None,
                confidence: 50,
            });
        }

        Ok(SuggestionResponse { suggestions })
    }
}