no-named-as-default-member.js
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'use strict';
var _ExportMap = require('../ExportMap');var _ExportMap2 = _interopRequireDefault(_ExportMap);
var _importDeclaration = require('../importDeclaration');var _importDeclaration2 = _interopRequireDefault(_importDeclaration);
var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
//------------------------------------------------------------------------------
// Rule Definition
//------------------------------------------------------------------------------
module.exports = {
meta: {
type: 'suggestion',
docs: {
url: (0, _docsUrl2.default)('no-named-as-default-member') },
schema: [] },
create: function (context) {
const fileImports = new Map();
const allPropertyLookups = new Map();
function handleImportDefault(node) {
const declaration = (0, _importDeclaration2.default)(context);
const exportMap = _ExportMap2.default.get(declaration.source.value, context);
if (exportMap == null) return;
if (exportMap.errors.length) {
exportMap.reportErrors(context, declaration);
return;
}
fileImports.set(node.local.name, {
exportMap,
sourcePath: declaration.source.value });
}
function storePropertyLookup(objectName, propName, node) {
const lookups = allPropertyLookups.get(objectName) || [];
lookups.push({ node, propName });
allPropertyLookups.set(objectName, lookups);
}
function handlePropLookup(node) {
const objectName = node.object.name;
const propName = node.property.name;
storePropertyLookup(objectName, propName, node);
}
function handleDestructuringAssignment(node) {
const isDestructure =
node.id.type === 'ObjectPattern' &&
node.init != null &&
node.init.type === 'Identifier';
if (!isDestructure) return;
const objectName = node.init.name;
for (const _ref of node.id.properties) {const key = _ref.key;
if (key == null) continue; // true for rest properties
storePropertyLookup(objectName, key.name, key);
}
}
function handleProgramExit() {
allPropertyLookups.forEach((lookups, objectName) => {
const fileImport = fileImports.get(objectName);
if (fileImport == null) return;
for (const _ref2 of lookups) {const propName = _ref2.propName;const node = _ref2.node;
// the default import can have a "default" property
if (propName === 'default') continue;
if (!fileImport.exportMap.namespace.has(propName)) continue;
context.report({
node,
message:
`Caution: \`${objectName}\` also has a named export ` +
`\`${propName}\`. Check if you meant to write ` +
`\`import {${propName}} from '${fileImport.sourcePath}'\` ` +
'instead.' });
}
});
}
return {
'ImportDefaultSpecifier': handleImportDefault,
'MemberExpression': handlePropLookup,
'VariableDeclarator': handleDestructuringAssignment,
'Program:exit': handleProgramExit };
} }; /**
* @fileoverview Rule to warn about potentially confused use of name exports
* @author Desmond Brand
* @copyright 2016 Desmond Brand. All rights reserved.
* See LICENSE in root directory for full license.
*/
//# 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