139 lines
16 KiB
JavaScript
139 lines
16 KiB
JavaScript
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'use strict';var _declaredScope = require('eslint-module-utils/declaredScope');var _declaredScope2 = _interopRequireDefault(_declaredScope);
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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 ? ': ' + 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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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 = _ExportMap2['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) !== '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) !== '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'] &&
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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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