139 lines
16 KiB
JavaScript
139 lines
16 KiB
JavaScript
'use strict';var _declaredScope = require('eslint-module-utils/declaredScope');var _declaredScope2 = _interopRequireDefault(_declaredScope);
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var _builder = require('../exportMap/builder');var _builder2 = _interopRequireDefault(_builder);
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var _exportMap = require('../exportMap');var _exportMap2 = _interopRequireDefault(_exportMap);
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var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { 'default': obj };}
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function message(deprecation) {
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return 'Deprecated' + (deprecation.description ? ': ' + String(deprecation.description) : '.');
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}
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function getDeprecation(metadata) {
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if (!metadata || !metadata.doc) {return;}
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return metadata.doc.tags.find(function (t) {return t.title === 'deprecated';});
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}
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module.exports = {
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meta: {
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type: 'suggestion',
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docs: {
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category: 'Helpful warnings',
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description: 'Forbid imported names marked with `@deprecated` documentation tag.',
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url: (0, _docsUrl2['default'])('no-deprecated') },
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schema: [] },
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create: function () {function create(context) {
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var deprecated = new Map();
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var namespaces = new Map();
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function checkSpecifiers(node) {
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if (node.type !== 'ImportDeclaration') {return;}
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if (node.source == null) {return;} // local export, ignore
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var imports = _builder2['default'].get(node.source.value, context);
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if (imports == null) {return;}
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var moduleDeprecation = imports.doc && imports.doc.tags.find(function (t) {return t.title === 'deprecated';});
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if (moduleDeprecation) {
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context.report({ node: node, message: message(moduleDeprecation) });
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}
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if (imports.errors.length) {
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imports.reportErrors(context, node);
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return;
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}
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node.specifiers.forEach(function (im) {
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var imported = void 0;var local = void 0;
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switch (im.type) {
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case 'ImportNamespaceSpecifier':{
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if (!imports.size) {return;}
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namespaces.set(im.local.name, imports);
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return;
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}
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case 'ImportDefaultSpecifier':
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imported = 'default';
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local = im.local.name;
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break;
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case 'ImportSpecifier':
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imported = im.imported.name;
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local = im.local.name;
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break;
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default:return; // can't handle this one
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}
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// unknown thing can't be deprecated
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var exported = imports.get(imported);
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if (exported == null) {return;}
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// capture import of deep namespace
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if (exported.namespace) {namespaces.set(local, exported.namespace);}
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var deprecation = getDeprecation(imports.get(imported));
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if (!deprecation) {return;}
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context.report({ node: im, message: message(deprecation) });
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deprecated.set(local, deprecation);
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});
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}
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return {
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Program: function () {function Program(_ref) {var body = _ref.body;return body.forEach(checkSpecifiers);}return Program;}(),
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Identifier: function () {function Identifier(node) {
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if (node.parent.type === 'MemberExpression' && node.parent.property === node) {
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return; // handled by MemberExpression
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}
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// ignore specifier identifiers
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if (node.parent.type.slice(0, 6) === 'Import') {return;}
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if (!deprecated.has(node.name)) {return;}
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if ((0, _declaredScope2['default'])(context, node.name, node) !== 'module') {return;}
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context.report({
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node: node,
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message: message(deprecated.get(node.name)) });
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}return Identifier;}(),
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MemberExpression: function () {function MemberExpression(dereference) {
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if (dereference.object.type !== 'Identifier') {return;}
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if (!namespaces.has(dereference.object.name)) {return;}
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if ((0, _declaredScope2['default'])(context, dereference.object.name, dereference) !== 'module') {return;}
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// go deep
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var namespace = namespaces.get(dereference.object.name);
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var namepath = [dereference.object.name];
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// while property is namespace and parent is member expression, keep validating
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while (namespace instanceof _exportMap2['default'] && dereference.type === 'MemberExpression') {
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// ignore computed parts for now
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if (dereference.computed) {return;}
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var metadata = namespace.get(dereference.property.name);
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if (!metadata) {break;}
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var deprecation = getDeprecation(metadata);
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if (deprecation) {
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context.report({ node: dereference.property, message: message(deprecation) });
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}
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// stash and pop
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namepath.push(dereference.property.name);
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namespace = metadata.namespace;
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dereference = dereference.parent;
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}
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}return MemberExpression;}() };
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}return create;}() };
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`: ${deprecation.description}` : '.'}`;\n}\n\nfunction getDeprecation(metadata) {\n  if (!metadata || !metadata.doc) { return; }\n\n  return metadata.doc.tags.find((t) => t.title === 'deprecated');\n}\n\nmodule.exports = {\n  meta: {\n    type: 'suggestion',\n    docs: {\n      category: 'Helpful warnings',\n      description: 'Forbid imported names marked with `@deprecated` documentation tag.',\n      url: docsUrl('no-deprecated'),\n    },\n    schema: [],\n  },\n\n  create(context) {\n    const deprecated = new Map();\n    const 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 = ExportMapBuilder.get(node.source.value, context);\n      if (imports == null) { return; }\n\n      const moduleDeprecation = imports.doc && imports.doc.tags.find((t) => t.title === 'deprecated');\n      if (moduleDeprecation) {\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; let local;\n        switch (im.type) {\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(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, node) !== 'module') { return; }\n        context.report({\n          node,\n          message: message(deprecated.get(node.name)),\n        });\n      },\n\n      MemberExpression(dereference) {\n        if (dereference.object.type !== 'Identifier') { return; }\n        if (!namespaces.has(dereference.object.name)) { return; }\n\n        if (declaredScope(context, dereference.object.name, dereference) !== 'module') { return; }\n\n        // go deep\n        let namespace = namespaces.get(dereference.object.name);\n        const namepath = [dereference.object.name];\n        // while property is namespace and parent is member expression, keep validating\n        while (namespace instanceof ExportMap && dereference.type === 'MemberExpression') {\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"]}
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