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codeql-action/node_modules/eslint-module-utils/unambiguous.js
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'use strict'; | |
exports.__esModule = true; | |
const pattern = /(^|;)\s*(export|import)((\s+\w)|(\s*[{*=]))|import\(/m; | |
/** | |
* detect possible imports/exports without a full parse. | |
* | |
* 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.test = function isMaybeUnambiguousModule(content) { | |
return pattern.test(content); | |
}; | |
// future-/Babel-proof at the expense of being a little loose | |
const unambiguousNodeType = /^(?:(?:Exp|Imp)ort.*Declaration|TSExportAssignment)$/; | |
/** | |
* 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 && ast.body.some((node) => unambiguousNodeType.test(node.type)); | |
}; |