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create-js-app-scripts

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'use strict'; var _es6Map = require('es6-map'); var _es6Map2 = _interopRequireDefault(_es6Map); var _getExports = require('../core/getExports'); var _getExports2 = _interopRequireDefault(_getExports); var _importDeclaration = require('../importDeclaration'); var _importDeclaration2 = _interopRequireDefault(_importDeclaration); var _declaredScope = require('../core/declaredScope'); var _declaredScope2 = _interopRequireDefault(_declaredScope); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } exports.meta = { schema: [{ 'type': 'object', 'properties': { 'allowComputed': { 'description': 'If `false`, will report computed (and thus, un-lintable) references ' + 'to namespace members.', 'type': 'boolean', 'default': false } }, 'additionalProperties': false }] }; exports.create = function namespaceRule(context) { // read options var _ref = context.options[0] || {}; var _ref$allowComputed = _ref.allowComputed; var allowComputed = _ref$allowComputed === undefined ? false : _ref$allowComputed; var namespaces = new _es6Map2.default(); function makeMessage(last, namepath) { return '\'' + last.name + '\' not found in' + (namepath.length > 1 ? ' deeply ' : ' ') + ('imported namespace \'' + namepath.join('.') + '\'.'); } return { // pick up all imports at body entry time, to properly respect hoisting 'Program': function Program(_ref2) { var body = _ref2.body; function processBodyStatement(declaration) { if (declaration.type !== 'ImportDeclaration') return; if (declaration.specifiers.length === 0) return; var imports = _getExports2.default.get(declaration.source.value, context); if (imports == null) return null; if (imports.errors.length) { imports.reportErrors(context, declaration); return; } declaration.specifiers.forEach(function (specifier) { switch (specifier.type) { case 'ImportNamespaceSpecifier': if (!imports.size) { context.report(specifier, 'No exported names found in module \'' + declaration.source.value + '\'.'); } namespaces.set(specifier.local.name, imports); break; case 'ImportDefaultSpecifier': case 'ImportSpecifier': { var meta = imports.get( // default to 'default' for default http://i.imgur.com/nj6qAWy.jpg specifier.imported ? specifier.imported.name : 'default'); if (!meta || !meta.namespace) break; namespaces.set(specifier.local.name, meta.namespace); break; } } }); } body.forEach(processBodyStatement); }, // same as above, but does not add names to local map 'ExportNamespaceSpecifier': function ExportNamespaceSpecifier(namespace) { var declaration = (0, _importDeclaration2.default)(context); var imports = _getExports2.default.get(declaration.source.value, context); if (imports == null) return null; if (imports.errors.length) { imports.reportErrors(context, declaration); return; } if (!imports.size) { context.report(namespace, 'No exported names found in module \'' + declaration.source.value + '\'.'); } }, // todo: check for possible redefinition 'MemberExpression': function MemberExpression(dereference) { if (dereference.object.type !== 'Identifier') return; if (!namespaces.has(dereference.object.name)) return; if (dereference.parent.type === 'AssignmentExpression' && dereference.parent.left === dereference) { context.report(dereference.parent, 'Assignment to member of namespace \'' + dereference.object.name + '\'.'); } // go deep var namespace = namespaces.get(dereference.object.name); var namepath = [dereference.object.name]; // while property is namespace and parent is member expression, keep validating while (namespace instanceof _getExports2.default && dereference.type === 'MemberExpression') { if (dereference.computed) { if (!allowComputed) { context.report(dereference.property, 'Unable to validate computed reference to imported namespace \'' + dereference.object.name + '\'.'); } return; } if (!namespace.has(dereference.property.name)) { context.report(dereference.property, makeMessage(dereference.property, namepath)); break; } var exported = namespace.get(dereference.property.name); if (exported == null) return; // stash and pop namepath.push(dereference.property.name); namespace = exported.namespace; dereference = dereference.parent; } }, 'VariableDeclarator': function VariableDeclarator(_ref3) { var id = _ref3.id; var init = _ref3.init; if (init == null) return; if (init.type !== 'Identifier') return; if (!namespaces.has(init.name)) return; // check for redefinition in intermediate scopes if ((0, _declaredScope2.default)(context, init.name) !== 'module') return; // DFS traverse child namespaces function testKey(pattern, namespace) { var path = arguments.length <= 2 || arguments[2] === undefined ? [init.name] : arguments[2]; if (!(namespace instanceof _getExports2.default)) return; if (pattern.type !== 'ObjectPattern') return; pattern.properties.forEach(function (property) { if (property.key.type !== 'Identifier') { context.report({ node: property, message: 'Only destructure top-level names.' }); } else if (!namespace.has(property.key.name)) { context.report({ node: property, message: makeMessage(property.key, path) }); } else { path.push(property.key.name); testKey(property.value, namespace.get(property.key.name).namespace, path); path.pop(); } }); } testKey(id, namespaces.get(init.name)); } }; }; //# 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Map from 'es6-map'\n\nimport Exports from '../core/getExports'\nimport importDeclaration from '../importDeclaration'\nimport declaredScope from '../core/declaredScope'\n\nexports.meta = {\n  schema: [\n    {\n      'type': 'object',\n      'properties': {\n        'allowComputed': {\n          'description':\n            'If `false`, will report computed (and thus, un-lintable) references ' +\n            'to namespace members.',\n          'type': 'boolean',\n          'default': false,\n        },\n      },\n      'additionalProperties': false,\n    },\n  ],\n}\n\nexports.create = function namespaceRule(context) {\n\n  // read options\n  const {\n    allowComputed = false,\n  } = context.options[0] || {}\n\n  const namespaces = new Map()\n\n  function makeMessage(last, namepath) {\n     return `'${last.name}' not found in` +\n            (namepath.length > 1 ? ' deeply ' : ' ') +\n            `imported namespace '${namepath.join('.')}'.`\n  }\n\n  return {\n\n    // pick up all imports at body entry time, to properly respect hoisting\n    'Program': function ({ body }) {\n      function processBodyStatement(declaration) {\n        if (declaration.type !== 'ImportDeclaration') return\n\n        if (declaration.specifiers.length === 0) return\n\n        const imports = Exports.get(declaration.source.value, context)\n        if (imports == null) return null\n\n        if (imports.errors.length) {\n          imports.reportErrors(context, declaration)\n          return\n        }\n\n        declaration.specifiers.forEach((specifier) => {\n          switch (specifier.type) {\n            case 'ImportNamespaceSpecifier':\n              if (!imports.size) {\n                context.report(specifier,\n                  `No exported names found in module '${declaration.source.value}'.`)\n              }\n              namespaces.set(specifier.local.name, imports)\n              break\n            case 'ImportDefaultSpecifier':\n            case 'ImportSpecifier': {\n              const meta = imports.get(\n                // default to 'default' for default http://i.imgur.com/nj6qAWy.jpg\n                specifier.imported ? specifier.imported.name : 'default')\n              if (!meta || !meta.namespace) break\n              namespaces.set(specifier.local.name, meta.namespace)\n              break\n            }\n          }\n        })\n      }\n      body.forEach(processBodyStatement)\n    },\n\n    // same as above, but does not add names to local map\n    'ExportNamespaceSpecifier': function (namespace) {\n      var declaration = importDeclaration(context)\n\n      var imports = Exports.get(declaration.source.value, context)\n      if (imports == null) return null\n\n      if (imports.errors.length) {\n        imports.reportErrors(context, declaration)\n        return\n      }\n\n      if (!imports.size) {\n        context.report(namespace,\n          `No exported names found in module '${declaration.source.value}'.`)\n      }\n    },\n\n    // todo: check for possible redefinition\n\n    'MemberExpression': function (dereference) {\n      if (dereference.object.type !== 'Identifier') return\n      if (!namespaces.has(dereference.object.name)) return\n\n      if (dereference.parent.type === 'AssignmentExpression' &&\n          dereference.parent.left === dereference) {\n          context.report(dereference.parent,\n              `Assignment to member of namespace '${dereference.object.name}'.`)\n      }\n\n      // go deep\n      var namespace = namespaces.get(dereference.object.name)\n      var namepath = [dereference.object.name]\n      // while property is namespace and parent is member expression, keep validating\n      while (namespace instanceof Exports &&\n             dereference.type === 'MemberExpression') {\n\n        if (dereference.computed) {\n          if (!allowComputed) {\n            context.report(dereference.property,\n              'Unable to validate computed reference to imported namespace \\'' +\n              dereference.object.name + '\\'.')\n          }\n          return\n        }\n\n        if (!namespace.has(dereference.property.name)) {\n          context.report(\n            dereference.property,\n            makeMessage(dereference.property, namepath))\n          break\n        }\n\n        const exported = namespace.get(dereference.property.name)\n        if (exported == null) return\n\n        // stash and pop\n        namepath.push(dereference.property.name)\n        namespace = exported.namespace\n        dereference = dereference.parent\n      }\n\n    },\n\n    'VariableDeclarator': function ({ id, init }) {\n      if (init == null) return\n      if (init.type !== 'Identifier') return\n      if (!namespaces.has(init.name)) return\n\n      // check for redefinition in intermediate scopes\n      if (declaredScope(context, init.name) !== 'module') return\n\n      // DFS traverse child namespaces\n      function testKey(pattern, namespace, path = [init.name]) {\n        if (!(namespace instanceof Exports)) return\n\n        if (pattern.type !== 'ObjectPattern') return\n\n        pattern.properties.forEach((property) => {\n          if (property.key.type !== 'Identifier') {\n            context.report({\n              node: property,\n              message: 'Only destructure top-level names.',\n            })\n          } else if (!namespace.has(property.key.name)) {\n            context.report({\n              node: property,\n              message: makeMessage(property.key, path),\n            })\n          } else {\n            path.push(property.key.name)\n            testKey(property.value, namespace.get(property.key.name).namespace, path)\n            path.pop()\n          }\n        })\n      }\n\n      testKey(id, namespaces.get(init.name))\n    },\n  }\n}\n"]}