orionsoft-react-scripts/node_modules/eslint-module-utils/unambiguous.js

Orionsoft Configuration and scripts for Create React App.

'use strict'
exports.__esModule = true

/**
 * detect possible imports/exports without a full parse.
 * used primarily to ignore the import/ignore setting, iif it looks like
 * there might be something there (i.e., jsnext:main is set).
 *
 * A negative test means that a file is definitely _not_ a module.
 * A positive test means it _could_ be.
 *
 * Not perfect, just a fast way to disqualify large non-ES6 modules and
 * avoid a parse.
 * @type {RegExp}
 */
exports.potentialModulePattern =
  new RegExp(`(?:^|;)\s*(?:export|import)(?:(?:\s+\w)|(?:\s*[{*]))`)

// future-/Babel-proof at the expense of being a little loose
const unambiguousNodeType = /^(Exp|Imp)ort.*Declaration$/

/**
 * Given an AST, return true if the AST unambiguously represents a module.
 * @param  {Program node}  ast
 * @return {Boolean}
 */
exports.isModule = function isUnambiguousModule(ast) {
  return ast.body.some(node => unambiguousNodeType.test(node.type))
}