d2-ui
Version:
156 lines (115 loc) • 14.2 kB
JavaScript
'use strict';
var _es6Map = require('es6-map');
var _es6Map2 = _interopRequireDefault(_es6Map);
var _getExports = require('../core/getExports');
var _getExports2 = _interopRequireDefault(_getExports);
var _declaredScope = require('../core/declaredScope');
var _declaredScope2 = _interopRequireDefault(_declaredScope);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
module.exports = function (context) {
var deprecated = new _es6Map2.default(),
namespaces = new _es6Map2.default();
function checkSpecifiers(node) {
if (node.type !== 'ImportDeclaration') return;
if (node.source == null) return; // local export, ignore
var imports = _getExports2.default.get(node.source.value, context);
if (imports == null) return;
var moduleDeprecation = void 0;
if (imports.doc && imports.doc.tags.some(function (t) {
return t.title === 'deprecated' && (moduleDeprecation = t);
})) {
context.report({ node: node, message: message(moduleDeprecation) });
}
if (imports.errors.length) {
imports.reportErrors(context, node);
return;
}
node.specifiers.forEach(function (im) {
var imported = void 0,
local = void 0;
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
if (!imports.has(imported)) return;
// capture import of deep namespace
var _imports$get = imports.get(imported);
var namespace = _imports$get.namespace;
if (namespace) namespaces.set(local, namespace);
var deprecation = getDeprecation(imports.get(imported));
if (!deprecation) return;
context.report({ node: im, message: message(deprecation) });
deprecated.set(local, deprecation);
});
}
return {
'Program': function Program(_ref) {
var body = _ref.body;
return body.forEach(checkSpecifiers);
},
'Identifier': function Identifier(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: node,
message: message(deprecated.get(node.name))
});
},
'MemberExpression': function MemberExpression(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 _getExports2.default && dereference.type === 'MemberExpression') {
// ignore computed parts for now
if (dereference.computed) return;
var metadata = namespace.get(dereference.property.name);
if (!metadata) break;
var 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;
}
}
};
};
function message(deprecation) {
return 'Deprecated' + (deprecation.description ? ': ' + deprecation.description : '.');
}
function getDeprecation(metadata) {
if (!metadata || !metadata.doc) return;
var deprecation = void 0;
if (metadata.doc.tags.some(function (t) {
return t.title === 'deprecated' && (deprecation = t);
})) {
return deprecation;
}
}
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Map from 'es6-map'\n\nimport Exports from '../core/getExports'\nimport declaredScope from '../core/declaredScope'\n\nmodule.exports = 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      if (!imports.has(imported)) return\n\n      // capture import of deep namespace\n      const { namespace } = imports.get(imported)\n      if (namespace) namespaces.set(local, 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\nfunction message(deprecation) {\n  return 'Deprecated' + (deprecation.description ? ': ' + 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"]}