react-scripts/node_modules/eslint-plugin-import/lib/rules/no-deprecated.js

Configuration and scripts for Create React App.

'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
      var exported = imports.get(imported);
      if (exported == null) return;

      // capture import of deep namespace
      if (exported.namespace) namespaces.set(local, exported.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;
  }
}
//# sourceMappingURL=data:application/json;base64,{"version":3,"sources":["rules/no-deprecated.js"],"names":[],"mappings":";;AAAA;;;;AAEA;;;;AACA;;;;;;AAEA,OAAO,OAAP,GAAiB,UAAU,OAAV,EAAmB;AAClC,MAAM,aAAa,sBAAnB;AAAA,MACM,aAAa,sBADnB;;AAGA,WAAS,eAAT,CAAyB,IAAzB,EAA+B;AAC7B,QAAI,KAAK,IAAL,KAAc,mBAAlB,EAAuC;AACvC,QAAI,KAAK,MAAL,IAAe,IAAnB,EAAyB,OAFI,CAEG;;AAEhC,QAAM,UAAU,qBAAQ,GAAR,CAAY,KAAK,MAAL,CAAY,KAAxB,EAA+B,OAA/B,CAAhB;AACA,QAAI,WAAW,IAAf,EAAqB;;AAErB,QAAI,0BAAJ;AACA,QAAI,QAAQ,GAAR,IACA,QAAQ,GAAR,CAAY,IAAZ,CAAiB,IAAjB,CAAsB;AAAA,aAAK,EAAE,KAAF,KAAY,YAAZ,KAA6B,oBAAoB,CAAjD,CAAL;AAAA,KAAtB,CADJ,EACqF;AACnF,cAAQ,MAAR,CAAe,EAAE,UAAF,EAAQ,SAAS,QAAQ,iBAAR,CAAjB,EAAf;AACD;;AAED,QAAI,QAAQ,MAAR,CAAe,MAAnB,EAA2B;AACzB,cAAQ,YAAR,CAAqB,OAArB,EAA8B,IAA9B;AACA;AACD;;AAED,SAAK,UAAL,CAAgB,OAAhB,CAAwB,UAAU,EAAV,EAAc;AACpC,UAAI,iBAAJ;AAAA,UAAc,cAAd;AACA,cAAQ,GAAG,IAAX;;AAGE,aAAK,0BAAL;AAAgC;AAC9B,gBAAI,CAAC,QAAQ,IAAb,EAAmB;AACnB,uBAAW,GAAX,CAAe,GAAG,KAAH,CAAS,IAAxB,EAA8B,OAA9B;AACA;AACD;;AAED,aAAK,wBAAL;AACE,qBAAW,SAAX;AACA,kBAAQ,GAAG,KAAH,CAAS,IAAjB;AACA;;AAEF,aAAK,iBAAL;AACE,qBAAW,GAAG,QAAH,CAAY,IAAvB;AACA,kBAAQ,GAAG,KAAH,CAAS,IAAjB;AACA;;AAEF;AAAS,iBAnBX,CAmBkB;AAnBlB;;AAsBA;AACA,UAAM,WAAW,QAAQ,GAAR,CAAY,QAAZ,CAAjB;AACA,UAAI,YAAY,IAAhB,EAAsB;;AAEtB;AACA,UAAI,SAAS,SAAb,EAAwB,WAAW,GAAX,CAAe,KAAf,EAAsB,SAAS,SAA/B;;AAExB,UAAM,cAAc,eAAe,QAAQ,GAAR,CAAY,QAAZ,CAAf,CAApB;AACA,UAAI,CAAC,WAAL,EAAkB;;AAElB,cAAQ,MAAR,CAAe,EAAE,MAAM,EAAR,EAAY,SAAS,QAAQ,WAAR,CAArB,EAAf;;AAEA,iBAAW,GAAX,CAAe,KAAf,EAAsB,WAAtB;AAED,KAtCD;AAuCD;;AAED,SAAO;AACL,eAAW;AAAA,UAAG,IAAH,QAAG,IAAH;AAAA,aAAc,KAAK,OAAL,CAAa,eAAb,CAAd;AAAA,KADN;;AAGL,kBAAc,oBAAU,IAAV,EAAgB;AAC5B,UAAI,KAAK,MAAL,CAAY,IAAZ,KAAqB,kBAArB,IAA2C,KAAK,MAAL,CAAY,QAAZ,KAAyB,IAAxE,EAA8E;AAC5E,eAD4E,CACrE;AACR;;AAED;AACA,UAAI,KAAK,MAAL,CAAY,IAAZ,CAAiB,KAAjB,CAAuB,CAAvB,EAA0B,CAA1B,MAAiC,QAArC,EAA+C;;AAE/C,UAAI,CAAC,WAAW,GAAX,CAAe,KAAK,IAApB,CAAL,EAAgC;;AAEhC,UAAI,6BAAc,OAAd,EAAuB,KAAK,IAA5B,MAAsC,QAA1C,EAAoD;AACpD,cAAQ,MAAR,CAAe;AACb,kBADa;AAEb,iBAAS,QAAQ,WAAW,GAAX,CAAe,KAAK,IAApB,CAAR;AAFI,OAAf;AAID,KAlBI;;AAoBL,wBAAoB,0BAAU,WAAV,EAAuB;AACzC,UAAI,YAAY,MAAZ,CAAmB,IAAnB,KAA4B,YAAhC,EAA8C;AAC9C,UAAI,CAAC,WAAW,GAAX,CAAe,YAAY,MAAZ,CAAmB,IAAlC,CAAL,EAA8C;;AAE9C,UAAI,6BAAc,OAAd,EAAuB,YAAY,MAAZ,CAAmB,IAA1C,MAAoD,QAAxD,EAAkE;;AAElE;AACA,UAAI,YAAY,WAAW,GAAX,CAAe,YAAY,MAAZ,CAAmB,IAAlC,CAAhB;AACA,UAAI,WAAW,CAAC,YAAY,MAAZ,CAAmB,IAApB,CAAf;AACA;AACA,aAAO,6CACA,YAAY,IAAZ,KAAqB,kBAD5B,EACgD;;AAE9C;AACA,YAAI,YAAY,QAAhB,EAA0B;;AAE1B,YAAM,WAAW,UAAU,GAAV,CAAc,YAAY,QAAZ,CAAqB,IAAnC,CAAjB;;AAEA,YAAI,CAAC,QAAL,EAAe;AACf,YAAM,cAAc,eAAe,QAAf,CAApB;;AAEA,YAAI,WAAJ,EAAiB;AACf,kBAAQ,MAAR,CAAe,EAAE,MAAM,YAAY,QAApB,EAA8B,SAAS,QAAQ,WAAR,CAAvC,EAAf;AACD;;AAED;AACA,iBAAS,IAAT,CAAc,YAAY,QAAZ,CAAqB,IAAnC;AACA,oBAAY,SAAS,SAArB;AACA,sBAAc,YAAY,MAA1B;AACD;AACF;AAlDI,GAAP;AAoDD,CAnHD;;AAqHA,SAAS,OAAT,CAAiB,WAAjB,EAA8B;AAC5B,SAAO,gBAAgB,YAAY,WAAZ,GAA0B,OAAO,YAAY,WAA7C,GAA2D,GAA3E,CAAP;AACD;;AAED,SAAS,cAAT,CAAwB,QAAxB,EAAkC;AAChC,MAAI,CAAC,QAAD,IAAa,CAAC,SAAS,GAA3B,EAAgC;;AAEhC,MAAI,oBAAJ;AACA,MAAI,SAAS,GAAT,CAAa,IAAb,CAAkB,IAAlB,CAAuB;AAAA,WAAK,EAAE,KAAF,KAAY,YAAZ,KAA6B,cAAc,CAA3C,CAAL;AAAA,GAAvB,CAAJ,EAAgF;AAC9E,WAAO,WAAP;AACD;AACF","file":"rules/no-deprecated.js","sourcesContent":["import 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      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\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"]}