Struct Repl 

pub struct Repl { /* private fields */ }

A small persistent REPL environment wrapper.

Notes:

• Repl::new() creates a persistent environment and initializes built-ins.
• Repl::eval(&self, code) evaluates the provided code in the persistent env so variables, functions and imports persist between calls.

Implementations

impl Repl

pub fn new() -> Self

Create a new persistent REPL environment (with built-ins initialized).

pub fn eval<T: AsRef<str>>(&self, script: T) -> Result<Value, JSError>

Evaluate a script in the persistent environment. Returns the evaluation result or an error.

pub fn is_complete_input(src: &str) -> bool

Returns true when the given input looks like a complete JavaScript top-level expression/program piece (i.e. brackets and template expressions are balanced, strings/comments/regex literals are properly closed).

This uses heuristics (not a full parser) but covers common REPL cases:

• ignores brackets inside single/double-quoted strings
• supports template literals and nested ${ … } expressions
• ignores brackets inside // and /* */ comments
• attempts to detect regex literals using a simple context heuristic and ignores brackets inside them

Trait Implementations

impl Default for Repl

fn default() -> Self

Returns the “default value” for a type.