@puls-atlas/cli/dist/utils/listModuleExports.js

The Puls Atlas CLI tool for managing Atlas projects

import fs from 'fs';
import * as parser from '@babel/parser';
import traverse from '@babel/traverse';
export default path => {
  if (!fs.existsSync(path)) {
    throw new Error(`File does not exist: ${path}`);
  }
  const code = fs.readFileSync(path).toString();
  const node = parser.parse(code, {
    sourceType: 'module'
  });
  const output = {
    exports: []
  };
  traverse.default(node, {
    enter: path => {
      const {
        node
      } = path;
      if (node.type === 'Identifier' && node.name === 'exports') {
        const {
          parent
        } = path;
        if (parent.type === 'MemberExpression') {
          const {
            property
          } = parent;
          if (property.type === 'Identifier') {
            output.exports.push(property.name);
          }
        }
      } else if (path.isExportNamedDeclaration()) {
        const {
          declaration
        } = node;
        if (declaration) {
          const {
            id
          } = declaration;
          if (id) {
            output.exports.push(id.name);
          }
        }
      }
    }
  });
  return output.exports;
};