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