yzhanjsinterpreter/src/index.js

A JavaScript Interpreter Using JS itself. JavaScript 解释器，包含词法分析、语法解析和执行

const lex = require('./helpers/lexical-analyzer')
const parse = require('./helpers/syntax-parser')
const { executor, globalEnv } = require('./helpers/executor')

module.exports = {
  lex,
  parse,
  executor,
  globalEnv,
  execute(ast) {
    return executor.execute(ast)
  },
  evaluate(code, map, initialState) {
    const res = executor.execute(parse(lex(code), map, initialState)[0])
    executor.runTask()
    return res
  }
}