sample import info

map.js

const glob = require('glob')
const { transformFileSync } = require('@babel/core')
const t = require('@babel/types')

const fileList = glob.sync(process.argv[2])

const presets = [
  '@babel/preset-typescript'
]

const { ast } = transformFileSync(fileList[0], { ast: true, presets, babelrc: false });


function getMapInfo(list) {
  const ret = {
    import: [],
    export: [],
  }
  function findRef(name) {
    const item = ret.import.find(importItem => importItem.name === name)
    if (item) {
      return `${item.source}|${item.orighName}`
    }
    return null
  }
  list.forEach((item) => {
    if (t.isImportDeclaration(item)) {
      item.specifiers.forEach((specify) => {
        if (t.isImportDefaultSpecifier(specify)) {
          ret.import.push({
            source: item.source.value,
            name: specify.local.name,
            orighName: 'default'
          })
        }
        if (t.isImportSpecifier(specify)) {
          ret.import.push({
            source: item.source.value,
            name: specify.local.name,
            orighName: specify.imported.name
          })
        }
        if (t.isImportNamespaceSpecifier(specify)) {
          ret.import.push({
            source: item.source.value,
            name: specify.local.name,
            orighName: '*'
          })
        }
      })
    }
    // code
    if (t.isExportDefaultDeclaration(item)) {
      const exportItem = {
        name: 'default'
      }
      if (t.isIdentifier(item.declaration)) {
        const ref = findRef(item.declaration.name)
        if (ref) {
          exportItem.ref = ref
        }
      }
      ret.export.push(exportItem)
    }
    if (t.isExportNamedDeclaration(item)) {
      item.specifiers.forEach((specify) => {
        if (t.isExportSpecifier(specify)) {
          const exportItem = {
            name: specify.exported.name,
          }
          const ref = findRef(specify.local.name)
          if (ref) {
            exportItem.ref = ref
          }
          ret.export.push(exportItem)
        }
      })
    }
  })
  return ret
}


console.log(getMapInfo(ast.program.body))