| 'use strict'; |
| |
| var _declaredScope = require('eslint-module-utils/declaredScope'); |
| |
| var _declaredScope2 = _interopRequireDefault(_declaredScope); |
| |
| var _ExportMap = require('../ExportMap'); |
| |
| var _ExportMap2 = _interopRequireDefault(_ExportMap); |
| |
| var _docsUrl = require('../docsUrl'); |
| |
| var _docsUrl2 = _interopRequireDefault(_docsUrl); |
| |
| function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } |
| |
| function message(deprecation) { |
| return 'Deprecated' + (deprecation.description ? ': ' + deprecation.description : '.'); |
| } |
| |
| function getDeprecation(metadata) { |
| if (!metadata || !metadata.doc) return; |
| |
| let deprecation; |
| if (metadata.doc.tags.some(t => t.title === 'deprecated' && (deprecation = t))) { |
| return deprecation; |
| } |
| } |
| |
| module.exports = { |
| meta: { |
| docs: { |
| url: (0, _docsUrl2.default)('no-deprecated') |
| } |
| }, |
| |
| create: function (context) { |
| const deprecated = new Map(), |
| namespaces = new Map(); |
| |
| function checkSpecifiers(node) { |
| if (node.type !== 'ImportDeclaration') return; |
| if (node.source == null) return; // local export, ignore |
| |
| const imports = _ExportMap2.default.get(node.source.value, context); |
| if (imports == null) return; |
| |
| let moduleDeprecation; |
| if (imports.doc && imports.doc.tags.some(t => t.title === 'deprecated' && (moduleDeprecation = t))) { |
| context.report({ node, message: message(moduleDeprecation) }); |
| } |
| |
| if (imports.errors.length) { |
| imports.reportErrors(context, node); |
| return; |
| } |
| |
| node.specifiers.forEach(function (im) { |
| let imported, local; |
| switch (im.type) { |
| |
| case 'ImportNamespaceSpecifier': |
| { |
| if (!imports.size) return; |
| namespaces.set(im.local.name, imports); |
| return; |
| } |
| |
| case 'ImportDefaultSpecifier': |
| imported = 'default'; |
| local = im.local.name; |
| break; |
| |
| case 'ImportSpecifier': |
| imported = im.imported.name; |
| local = im.local.name; |
| break; |
| |
| default: |
| return; // can't handle this one |
| } |
| |
| // unknown thing can't be deprecated |
| const exported = imports.get(imported); |
| if (exported == null) return; |
| |
| // capture import of deep namespace |
| if (exported.namespace) namespaces.set(local, exported.namespace); |
| |
| const deprecation = getDeprecation(imports.get(imported)); |
| if (!deprecation) return; |
| |
| context.report({ node: im, message: message(deprecation) }); |
| |
| deprecated.set(local, deprecation); |
| }); |
| } |
| |
| return { |
| 'Program': (_ref) => { |
| let body = _ref.body; |
| return body.forEach(checkSpecifiers); |
| }, |
| |
| 'Identifier': function (node) { |
| if (node.parent.type === 'MemberExpression' && node.parent.property === node) { |
| return; // handled by MemberExpression |
| } |
| |
| // ignore specifier identifiers |
| if (node.parent.type.slice(0, 6) === 'Import') return; |
| |
| if (!deprecated.has(node.name)) return; |
| |
| if ((0, _declaredScope2.default)(context, node.name) !== 'module') return; |
| context.report({ |
| node, |
| message: message(deprecated.get(node.name)) |
| }); |
| }, |
| |
| 'MemberExpression': function (dereference) { |
| if (dereference.object.type !== 'Identifier') return; |
| if (!namespaces.has(dereference.object.name)) return; |
| |
| if ((0, _declaredScope2.default)(context, dereference.object.name) !== 'module') return; |
| |
| // 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 _ExportMap2.default && dereference.type === 'MemberExpression') { |
| |
| // ignore computed parts for now |
| if (dereference.computed) return; |
| |
| const metadata = namespace.get(dereference.property.name); |
| |
| if (!metadata) break; |
| const deprecation = getDeprecation(metadata); |
| |
| if (deprecation) { |
| context.report({ node: dereference.property, message: message(deprecation) }); |
| } |
| |
| // stash and pop |
| namepath.push(dereference.property.name); |
| namespace = metadata.namespace; |
| dereference = dereference.parent; |
| } |
| } |
| }; |
| } |
| }; |
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': ' + deprecation.description : '.')\n}\n\nfunction getDeprecation(metadata) {\n  if (!metadata || !metadata.doc) return\n\n  let deprecation\n  if (metadata.doc.tags.some(t => t.title === 'deprecated' && (deprecation = t))) {\n    return deprecation\n  }\n}\n\nmodule.exports = {\n  meta: {\n    docs: {\n      url: docsUrl('no-deprecated'),\n    },\n  },\n\n  create: function (context) {\n    const deprecated = new Map()\n        , namespaces = new Map()\n\n    function checkSpecifiers(node) {\n      if (node.type !== 'ImportDeclaration') return\n      if (node.source == null) return // local export, ignore\n\n      const imports = Exports.get(node.source.value, context)\n      if (imports == null) return\n\n      let moduleDeprecation\n      if (imports.doc &&\n          imports.doc.tags.some(t => t.title === 'deprecated' && (moduleDeprecation = t))) {\n        context.report({ node, message: message(moduleDeprecation) })\n      }\n\n      if (imports.errors.length) {\n        imports.reportErrors(context, node)\n        return\n      }\n\n      node.specifiers.forEach(function (im) {\n        let imported, local\n        switch (im.type) {\n\n\n          case 'ImportNamespaceSpecifier':{\n            if (!imports.size) return\n            namespaces.set(im.local.name, imports)\n            return\n          }\n\n          case 'ImportDefaultSpecifier':\n            imported = 'default'\n            local = im.local.name\n            break\n\n          case 'ImportSpecifier':\n            imported = im.imported.name\n            local = im.local.name\n            break\n\n          default: return // can't handle this one\n        }\n\n        // unknown thing can't be deprecated\n        const exported = imports.get(imported)\n        if (exported == null) return\n\n        // capture import of deep namespace\n        if (exported.namespace) namespaces.set(local, exported.namespace)\n\n        const deprecation = getDeprecation(imports.get(imported))\n        if (!deprecation) return\n\n        context.report({ node: im, message: message(deprecation) })\n\n        deprecated.set(local, deprecation)\n\n      })\n    }\n\n    return {\n      'Program': ({ body }) => body.forEach(checkSpecifiers),\n\n      'Identifier': function (node) {\n        if (node.parent.type === 'MemberExpression' && node.parent.property === node) {\n          return // handled by MemberExpression\n        }\n\n        // ignore specifier identifiers\n        if (node.parent.type.slice(0, 6) === 'Import') return\n\n        if (!deprecated.has(node.name)) return\n\n        if (declaredScope(context, node.name) !== 'module') return\n        context.report({\n          node,\n          message: message(deprecated.get(node.name)),\n        })\n      },\n\n      'MemberExpression': function (dereference) {\n        if (dereference.object.type !== 'Identifier') return\n        if (!namespaces.has(dereference.object.name)) return\n\n        if (declaredScope(context, dereference.object.name) !== 'module') return\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          // ignore computed parts for now\n          if (dereference.computed) return\n\n          const metadata = namespace.get(dereference.property.name)\n\n          if (!metadata) break\n          const deprecation = getDeprecation(metadata)\n\n          if (deprecation) {\n            context.report({ node: dereference.property, message: message(deprecation) })\n          }\n\n          // stash and pop\n          namepath.push(dereference.property.name)\n          namespace = metadata.namespace\n          dereference = dereference.parent\n        }\n      },\n    }\n  },\n}\n"]} |