react-code-dataset / next.js /turbopack /crates /turbopack-ecmascript /src /references /constant_value.rs
| use anyhow::Result; | |
| use serde::{Deserialize, Serialize}; | |
| use swc_core::quote; | |
| use turbo_tasks::{NonLocalValue, TaskInput, Vc, debug::ValueDebugFormat, trace::TraceRawVcs}; | |
| use turbopack_core::{chunk::ChunkingContext, compile_time_info::CompileTimeDefineValue}; | |
| use super::AstPath; | |
| use crate::{ | |
| code_gen::{CodeGen, CodeGeneration}, | |
| create_visitor, | |
| }; | |
| pub struct ConstantValueCodeGen { | |
| value: CompileTimeDefineValue, | |
| path: AstPath, | |
| } | |
| impl ConstantValueCodeGen { | |
| pub fn new(value: CompileTimeDefineValue, path: AstPath) -> Self { | |
| ConstantValueCodeGen { value, path } | |
| } | |
| pub async fn code_generation( | |
| &self, | |
| _chunking_context: Vc<Box<dyn ChunkingContext>>, | |
| ) -> Result<CodeGeneration> { | |
| let value = self.value.clone(); | |
| let visitor = create_visitor!(self.path, visit_mut_expr, |expr: &mut Expr| { | |
| *expr = match value { | |
| CompileTimeDefineValue::Bool(true) => { | |
| quote!("(\"TURBOPACK compile-time value\", true)" as Expr) | |
| } | |
| CompileTimeDefineValue::Bool(false) => { | |
| quote!("(\"TURBOPACK compile-time value\", false)" as Expr) | |
| } | |
| CompileTimeDefineValue::String(ref s) => { | |
| quote!("(\"TURBOPACK compile-time value\", $e)" as Expr, e: Expr = s.to_string().into()) | |
| } | |
| CompileTimeDefineValue::JSON(ref s) => { | |
| quote!("(\"TURBOPACK compile-time value\", JSON.parse($e))" as Expr, e: Expr = s.to_string().into()) | |
| } | |
| // undefined can be re-bound, so use `void 0` to avoid any risks | |
| CompileTimeDefineValue::Undefined => { | |
| quote!("(\"TURBOPACK compile-time value\", void 0)" as Expr) | |
| } | |
| }; | |
| }); | |
| Ok(CodeGeneration::visitors(vec![visitor])) | |
| } | |
| } | |
| impl From<ConstantValueCodeGen> for CodeGen { | |
| fn from(val: ConstantValueCodeGen) -> Self { | |
| CodeGen::ConstantValueCodeGen(val) | |
| } | |
| } | |