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'use strict';var _minimatch = require('minimatch');var _minimatch2 = _interopRequireDefault(_minimatch);
var _path = require('path');var _path2 = _interopRequireDefault(_path);
var _pkgUp = require('eslint-module-utils/pkgUp');var _pkgUp2 = _interopRequireDefault(_pkgUp);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { 'default': obj };}
function getEntryPoint(context) {
var pkgPath = (0, _pkgUp2['default'])({ cwd: context.getPhysicalFilename ? context.getPhysicalFilename() : context.getFilename() });
try {
return require.resolve(_path2['default'].dirname(pkgPath));
} catch (error) {
// Assume the package has no entrypoint (e.g. CLI packages)
// in which case require.resolve would throw.
return null;
}
}
function findScope(context, identifier) {var _context$getSourceCod =
context.getSourceCode(),scopeManager = _context$getSourceCod.scopeManager;
return scopeManager && scopeManager.scopes.slice().reverse().find(function (scope) {return scope.variables.some(function (variable) {return variable.identifiers.some(function (node) {return node.name === identifier;});});});
}
function findDefinition(objectScope, identifier) {
var variable = objectScope.variables.find(function (variable) {return variable.name === identifier;});
return variable.defs.find(function (def) {return def.name.name === identifier;});
}
module.exports = {
meta: {
type: 'problem',
docs: {
category: 'Module systems',
description: 'Forbid import statements with CommonJS module.exports.',
recommended: true },
fixable: 'code',
schema: [
{
type: 'object',
properties: {
exceptions: { type: 'array' } },
additionalProperties: false }] },
create: function () {function create(context) {
var importDeclarations = [];
var entryPoint = getEntryPoint(context);
var options = context.options[0] || {};
var alreadyReported = false;
function report(node) {
var fileName = context.getPhysicalFilename ? context.getPhysicalFilename() : context.getFilename();
var isEntryPoint = entryPoint === fileName;
var isIdentifier = node.object.type === 'Identifier';
var hasKeywords = /^(module|exports)$/.test(node.object.name);
var objectScope = hasKeywords && findScope(context, node.object.name);
var variableDefinition = objectScope && findDefinition(objectScope, node.object.name);
var isImportBinding = variableDefinition && variableDefinition.type === 'ImportBinding';
var hasCJSExportReference = hasKeywords && (!objectScope || objectScope.type === 'module');
var isException = !!options.exceptions && options.exceptions.some(function (glob) {return (0, _minimatch2['default'])(fileName, glob);});
if (isIdentifier && hasCJSExportReference && !isEntryPoint && !isException && !isImportBinding) {
importDeclarations.forEach(function (importDeclaration) {
context.report({
node: importDeclaration,
message: 'Cannot use import declarations in modules that export using CommonJS (module.exports = \'foo\' or exports.bar = \'hi\')' });
});
alreadyReported = true;
}
}
return {
ImportDeclaration: function () {function ImportDeclaration(node) {
importDeclarations.push(node);
}return ImportDeclaration;}(),
MemberExpression: function () {function MemberExpression(node) {
if (!alreadyReported) {
report(node);
}
}return MemberExpression;}() };
}return create;}() };
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context.getPhysicalFilename() : context.getFilename() });\n  try {\n    return require.resolve(path.dirname(pkgPath));\n  } catch (error) {\n    // Assume the package has no entrypoint (e.g. CLI packages)\n    // in which case require.resolve would throw.\n    return null;\n  }\n}\n\nfunction findScope(context, identifier) {\n  const { scopeManager } = context.getSourceCode();\n\n  return scopeManager && scopeManager.scopes.slice().reverse().find((scope) => scope.variables.some((variable) => variable.identifiers.some((node) => node.name === identifier)));\n}\n\nfunction findDefinition(objectScope, identifier) {\n  const variable = objectScope.variables.find((variable) => variable.name === identifier);\n  return variable.defs.find((def) => def.name.name === identifier);\n}\n\nmodule.exports = {\n  meta: {\n    type: 'problem',\n    docs: {\n      category: 'Module systems',\n      description: 'Forbid import statements with CommonJS module.exports.',\n      recommended: true,\n    },\n    fixable: 'code',\n    schema: [\n      {\n        type: 'object',\n        properties: {\n          exceptions: { type: 'array' },\n        },\n        additionalProperties: false,\n      },\n    ],\n  },\n  create(context) {\n    const importDeclarations = [];\n    const entryPoint = getEntryPoint(context);\n    const options = context.options[0] || {};\n    let alreadyReported = false;\n\n    function report(node) {\n      const fileName = context.getPhysicalFilename ? context.getPhysicalFilename() : context.getFilename();\n      const isEntryPoint = entryPoint === fileName;\n      const isIdentifier = node.object.type === 'Identifier';\n      const hasKeywords = (/^(module|exports)$/).test(node.object.name);\n      const objectScope = hasKeywords && findScope(context, node.object.name);\n      const variableDefinition = objectScope && findDefinition(objectScope, node.object.name);\n      const isImportBinding = variableDefinition && variableDefinition.type === 'ImportBinding';\n      const hasCJSExportReference = hasKeywords && (!objectScope || objectScope.type === 'module');\n      const isException = !!options.exceptions && options.exceptions.some((glob) => minimatch(fileName, glob));\n\n      if (isIdentifier && hasCJSExportReference && !isEntryPoint && !isException && !isImportBinding) {\n        importDeclarations.forEach((importDeclaration) => {\n          context.report({\n            node: importDeclaration,\n            message: `Cannot use import declarations in modules that export using CommonJS (module.exports = 'foo' or exports.bar = 'hi')`,\n          });\n        });\n        alreadyReported = true;\n      }\n    }\n\n    return {\n      ImportDeclaration(node) {\n        importDeclarations.push(node);\n      },\n      MemberExpression(node) {\n        if (!alreadyReported) {\n          report(node);\n        }\n      },\n    };\n  },\n};\n"]}