'use strict';var _slicedToArray = function () {function sliceIterator(arr, i) {var _arr = [];var _n = true;var _d = false;var _e = undefined;try {for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {_arr.push(_s.value);if (i && _arr.length === i) break;}} catch (err) {_d = true;_e = err;} finally {try {if (!_n && _i["return"]) _i["return"]();} finally {if (_d) throw _e;}}return _arr;}return function (arr, i) {if (Array.isArray(arr)) {return arr;} else if (Symbol.iterator in Object(arr)) {return sliceIterator(arr, i);} else {throw new TypeError("Invalid attempt to destructure non-iterable instance");}};}(); /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       * @fileOverview Ensures that no imported module imports the linted module.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       * @author Ben Mosher
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       */

var _resolve = require('eslint-module-utils/resolve');var _resolve2 = _interopRequireDefault(_resolve);
var _ExportMap = require('../ExportMap');var _ExportMap2 = _interopRequireDefault(_ExportMap);
var _importType = require('../core/importType');
var _moduleVisitor = require('eslint-module-utils/moduleVisitor');var _moduleVisitor2 = _interopRequireDefault(_moduleVisitor);
var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { 'default': obj };}function _toConsumableArray(arr) {if (Array.isArray(arr)) {for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) {arr2[i] = arr[i];}return arr2;} else {return Array.from(arr);}}

// todo: cache cycles / deep relationships for faster repeat evaluation
module.exports = {
  meta: {
    type: 'suggestion',
    docs: { url: (0, _docsUrl2['default'])('no-cycle') },
    schema: [(0, _moduleVisitor.makeOptionsSchema)({
      maxDepth: {
        oneOf: [
        {
          description: 'maximum dependency depth to traverse',
          type: 'integer',
          minimum: 1 },

        {
          'enum': ['∞'],
          type: 'string' }] },



      ignoreExternal: {
        description: 'ignore external modules',
        type: 'boolean',
        'default': false } })] },




  create: function () {function create(context) {
      var myPath = context.getPhysicalFilename ? context.getPhysicalFilename() : context.getFilename();
      if (myPath === '<text>') return {}; // can't cycle-check a non-file

      var options = context.options[0] || {};
      var maxDepth = typeof options.maxDepth === 'number' ? options.maxDepth : Infinity;
      var ignoreModule = function () {function ignoreModule(name) {return options.ignoreExternal && (0, _importType.isExternalModule)(
          name,
          (0, _resolve2['default'])(name, context),
          context);}return ignoreModule;}();


      function checkSourceValue(sourceNode, importer) {
        if (ignoreModule(sourceNode.value)) {
          return; // ignore external modules
        }

        if (
        importer.type === 'ImportDeclaration' && (
        // import type { Foo } (TS and Flow)
        importer.importKind === 'type' ||
        // import { type Foo } (Flow)
        importer.specifiers.every(function (_ref) {var importKind = _ref.importKind;return importKind === 'type';})))

        {
          return; // ignore type imports
        }

        var imported = _ExportMap2['default'].get(sourceNode.value, context);

        if (imported == null) {
          return; // no-unresolved territory
        }

        if (imported.path === myPath) {
          return; // no-self-import territory
        }

        var untraversed = [{ mget: function () {function mget() {return imported;}return mget;}(), route: [] }];
        var traversed = new Set();
        function detectCycle(_ref2) {var mget = _ref2.mget,route = _ref2.route;
          var m = mget();
          if (m == null) return;
          if (traversed.has(m.path)) return;
          traversed.add(m.path);var _iteratorNormalCompletion = true;var _didIteratorError = false;var _iteratorError = undefined;try {

            for (var _iterator = m.imports[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {var _ref3 = _step.value;var _ref4 = _slicedToArray(_ref3, 2);var path = _ref4[0];var _ref4$ = _ref4[1];var getter = _ref4$.getter;var declarations = _ref4$.declarations;
              if (traversed.has(path)) continue;
              var toTraverse = [].concat(_toConsumableArray(declarations)).filter(function (_ref5) {var source = _ref5.source,isOnlyImportingTypes = _ref5.isOnlyImportingTypes;return (
                  !ignoreModule(source.value) &&
                  // Ignore only type imports
                  !isOnlyImportingTypes);});

              /*
                                             Only report as a cycle if there are any import declarations that are considered by
                                             the rule. For example:
                                              a.ts:
                                             import { foo } from './b' // should not be reported as a cycle
                                              b.ts:
                                             import type { Bar } from './a'
                                             */


              if (path === myPath && toTraverse.length > 0) return true;
              if (route.length + 1 < maxDepth) {var _iteratorNormalCompletion2 = true;var _didIteratorError2 = false;var _iteratorError2 = undefined;try {
                  for (var _iterator2 = toTraverse[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {var _ref6 = _step2.value;var source = _ref6.source;
                    untraversed.push({ mget: getter, route: route.concat(source) });
                  }} catch (err) {_didIteratorError2 = true;_iteratorError2 = err;} finally {try {if (!_iteratorNormalCompletion2 && _iterator2['return']) {_iterator2['return']();}} finally {if (_didIteratorError2) {throw _iteratorError2;}}}
              }
            }} catch (err) {_didIteratorError = true;_iteratorError = err;} finally {try {if (!_iteratorNormalCompletion && _iterator['return']) {_iterator['return']();}} finally {if (_didIteratorError) {throw _iteratorError;}}}
        }

        while (untraversed.length > 0) {
          var next = untraversed.shift(); // bfs!
          if (detectCycle(next)) {
            var message = next.route.length > 0 ? 'Dependency cycle via ' + String(
            routeString(next.route)) :
            'Dependency cycle detected.';
            context.report(importer, message);
            return;
          }
        }
      }

      return (0, _moduleVisitor2['default'])(checkSourceValue, context.options[0]);
    }return create;}() };


function routeString(route) {
  return route.map(function (s) {return String(s.value) + ':' + String(s.loc.start.line);}).join('=>');
}
//# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"sources":["../../src/rules/no-cycle.js"],"names":["module","exports","meta","type","docs","url","schema","maxDepth","oneOf","description","minimum","ignoreExternal","create","context","myPath","getPhysicalFilename","getFilename","options","Infinity","ignoreModule","name","checkSourceValue","sourceNode","importer","value","importKind","specifiers","every","imported","Exports","get","path","untraversed","mget","route","traversed","Set","detectCycle","m","has","add","imports","getter","declarations","toTraverse","filter","source","isOnlyImportingTypes","length","push","concat","next","shift","message","routeString","report","map","s","loc","start","line","join"],"mappings":"soBAAA;;;;;AAKA,sD;AACA,yC;AACA;AACA,kE;AACA,qC;;AAEA;AACAA,OAAOC,OAAP,GAAiB;AACfC,QAAM;AACJC,UAAM,YADF;AAEJC,UAAM,EAAEC,KAAK,0BAAQ,UAAR,CAAP,EAFF;AAGJC,YAAQ,CAAC,sCAAkB;AACzBC,gBAAU;AACRC,eAAO;AACL;AACEC,uBAAa,sCADf;AAEEN,gBAAM,SAFR;AAGEO,mBAAS,CAHX,EADK;;AAML;AACE,kBAAM,CAAC,GAAD,CADR;AAEEP,gBAAM,QAFR,EANK,CADC,EADe;;;;AAczBQ,sBAAgB;AACdF,qBAAa,yBADC;AAEdN,cAAM,SAFQ;AAGd,mBAAS,KAHK,EAdS,EAAlB,CAAD,CAHJ,EADS;;;;;AA0BfS,QA1Be,+BA0BRC,OA1BQ,EA0BC;AACd,UAAMC,SAASD,QAAQE,mBAAR,GAA8BF,QAAQE,mBAAR,EAA9B,GAA8DF,QAAQG,WAAR,EAA7E;AACA,UAAIF,WAAW,QAAf,EAAyB,OAAO,EAAP,CAFX,CAEsB;;AAEpC,UAAMG,UAAUJ,QAAQI,OAAR,CAAgB,CAAhB,KAAsB,EAAtC;AACA,UAAMV,WAAW,OAAOU,QAAQV,QAAf,KAA4B,QAA5B,GAAuCU,QAAQV,QAA/C,GAA0DW,QAA3E;AACA,UAAMC,4BAAe,SAAfA,YAAe,CAACC,IAAD,UAAUH,QAAQN,cAAR,IAA0B;AACvDS,cADuD;AAEvD,oCAAQA,IAAR,EAAcP,OAAd,CAFuD;AAGvDA,iBAHuD,CAApC,EAAf,uBAAN;;;AAMA,eAASQ,gBAAT,CAA0BC,UAA1B,EAAsCC,QAAtC,EAAgD;AAC9C,YAAIJ,aAAaG,WAAWE,KAAxB,CAAJ,EAAoC;AAClC,iBADkC,CAC1B;AACT;;AAED;AACED,iBAASpB,IAAT,KAAkB,mBAAlB;AACE;AACAoB,iBAASE,UAAT,KAAwB,MAAxB;AACA;AACAF,iBAASG,UAAT,CAAoBC,KAApB,CAA0B,qBAAGF,UAAH,QAAGA,UAAH,QAAoBA,eAAe,MAAnC,EAA1B,CAJF,CADF;;AAOE;AACA,iBADA,CACQ;AACT;;AAED,YAAMG,WAAWC,uBAAQC,GAAR,CAAYR,WAAWE,KAAvB,EAA8BX,OAA9B,CAAjB;;AAEA,YAAIe,YAAY,IAAhB,EAAsB;AACpB,iBADoB,CACX;AACV;;AAED,YAAIA,SAASG,IAAT,KAAkBjB,MAAtB,EAA8B;AAC5B,iBAD4B,CACnB;AACV;;AAED,YAAMkB,cAAc,CAAC,EAAEC,mBAAM,wBAAML,QAAN,EAAN,eAAF,EAAwBM,OAAM,EAA9B,EAAD,CAApB;AACA,YAAMC,YAAY,IAAIC,GAAJ,EAAlB;AACA,iBAASC,WAAT,QAAsC,KAAfJ,IAAe,SAAfA,IAAe,CAATC,KAAS,SAATA,KAAS;AACpC,cAAMI,IAAIL,MAAV;AACA,cAAIK,KAAK,IAAT,EAAe;AACf,cAAIH,UAAUI,GAAV,CAAcD,EAAEP,IAAhB,CAAJ,EAA2B;AAC3BI,oBAAUK,GAAV,CAAcF,EAAEP,IAAhB,EAJoC;;AAMpC,iCAA+CO,EAAEG,OAAjD,8HAA0D,kEAA9CV,IAA8C,sCAAtCW,MAAsC,UAAtCA,MAAsC,KAA9BC,YAA8B,UAA9BA,YAA8B;AACxD,kBAAIR,UAAUI,GAAV,CAAcR,IAAd,CAAJ,EAAyB;AACzB,kBAAMa,aAAa,6BAAID,YAAJ,GAAkBE,MAAlB,CAAyB,sBAAGC,MAAH,SAAGA,MAAH,CAAWC,oBAAX,SAAWA,oBAAX;AAC1C,mBAAC5B,aAAa2B,OAAOtB,KAApB,CAAD;AACA;AACA,mBAACuB,oBAHyC,GAAzB,CAAnB;;AAKA;;;;;;;;;;AAUA,kBAAIhB,SAASjB,MAAT,IAAmB8B,WAAWI,MAAX,GAAoB,CAA3C,EAA8C,OAAO,IAAP;AAC9C,kBAAId,MAAMc,MAAN,GAAe,CAAf,GAAmBzC,QAAvB,EAAiC;AAC/B,wCAAyBqC,UAAzB,mIAAqC,8BAAxBE,MAAwB,SAAxBA,MAAwB;AACnCd,gCAAYiB,IAAZ,CAAiB,EAAEhB,MAAMS,MAAR,EAAgBR,OAAOA,MAAMgB,MAAN,CAAaJ,MAAb,CAAvB,EAAjB;AACD,mBAH8B;AAIhC;AACF,aA7BmC;AA8BrC;;AAED,eAAOd,YAAYgB,MAAZ,GAAqB,CAA5B,EAA+B;AAC7B,cAAMG,OAAOnB,YAAYoB,KAAZ,EAAb,CAD6B,CACK;AAClC,cAAIf,YAAYc,IAAZ,CAAJ,EAAuB;AACrB,gBAAME,UAAWF,KAAKjB,KAAL,CAAWc,MAAX,GAAoB,CAApB;AACWM,wBAAYH,KAAKjB,KAAjB,CADX;AAEb,wCAFJ;AAGArB,oBAAQ0C,MAAR,CAAehC,QAAf,EAAyB8B,OAAzB;AACA;AACD;AACF;AACF;;AAED,aAAO,gCAAchC,gBAAd,EAAgCR,QAAQI,OAAR,CAAgB,CAAhB,CAAhC,CAAP;AACD,KA/Gc,mBAAjB;;;AAkHA,SAASqC,WAAT,CAAqBpB,KAArB,EAA4B;AAC1B,SAAOA,MAAMsB,GAAN,CAAU,4BAAQC,EAAEjC,KAAV,iBAAmBiC,EAAEC,GAAF,CAAMC,KAAN,CAAYC,IAA/B,GAAV,EAAiDC,IAAjD,CAAsD,IAAtD,CAAP;AACD","file":"no-cycle.js","sourcesContent":["/**\n * @fileOverview Ensures that no imported module imports the linted module.\n * @author Ben Mosher\n */\n\nimport resolve from 'eslint-module-utils/resolve';\nimport Exports from '../ExportMap';\nimport { isExternalModule } from '../core/importType';\nimport moduleVisitor, { makeOptionsSchema } from 'eslint-module-utils/moduleVisitor';\nimport docsUrl from '../docsUrl';\n\n// todo: cache cycles / deep relationships for faster repeat evaluation\nmodule.exports = {\n  meta: {\n    type: 'suggestion',\n    docs: { url: docsUrl('no-cycle') },\n    schema: [makeOptionsSchema({\n      maxDepth: {\n        oneOf: [\n          {\n            description: 'maximum dependency depth to traverse',\n            type: 'integer',\n            minimum: 1,\n          },\n          {\n            enum: ['∞'],\n            type: 'string',\n          },\n        ],\n      },\n      ignoreExternal: {\n        description: 'ignore external modules',\n        type: 'boolean',\n        default: false,\n      },\n    })],\n  },\n\n  create(context) {\n    const myPath = context.getPhysicalFilename ? context.getPhysicalFilename() : context.getFilename();\n    if (myPath === '<text>') return {}; // can't cycle-check a non-file\n\n    const options = context.options[0] || {};\n    const maxDepth = typeof options.maxDepth === 'number' ? options.maxDepth : Infinity;\n    const ignoreModule = (name) => options.ignoreExternal && isExternalModule(\n      name,\n      resolve(name, context),\n      context,\n    );\n\n    function checkSourceValue(sourceNode, importer) {\n      if (ignoreModule(sourceNode.value)) {\n        return; // ignore external modules\n      }\n\n      if (\n        importer.type === 'ImportDeclaration' && (\n          // import type { Foo } (TS and Flow)\n          importer.importKind === 'type' ||\n          // import { type Foo } (Flow)\n          importer.specifiers.every(({ importKind }) => importKind === 'type')\n        )\n      ) {\n        return; // ignore type imports\n      }\n\n      const imported = Exports.get(sourceNode.value, context);\n\n      if (imported == null) {\n        return;  // no-unresolved territory\n      }\n\n      if (imported.path === myPath) {\n        return;  // no-self-import territory\n      }\n\n      const untraversed = [{ mget: () => imported, route:[] }];\n      const traversed = new Set();\n      function detectCycle({ mget, route }) {\n        const m = mget();\n        if (m == null) return;\n        if (traversed.has(m.path)) return;\n        traversed.add(m.path);\n\n        for (const [path, { getter, declarations }] of m.imports) {\n          if (traversed.has(path)) continue;\n          const toTraverse = [...declarations].filter(({ source, isOnlyImportingTypes }) =>\n            !ignoreModule(source.value) &&\n            // Ignore only type imports\n            !isOnlyImportingTypes,\n          );\n          /*\n          Only report as a cycle if there are any import declarations that are considered by\n          the rule. For example:\n\n          a.ts:\n          import { foo } from './b' // should not be reported as a cycle\n\n          b.ts:\n          import type { Bar } from './a'\n          */\n          if (path === myPath && toTraverse.length > 0) return true;\n          if (route.length + 1 < maxDepth) {\n            for (const { source } of toTraverse) {\n              untraversed.push({ mget: getter, route: route.concat(source) });\n            }\n          }\n        }\n      }\n\n      while (untraversed.length > 0) {\n        const next = untraversed.shift(); // bfs!\n        if (detectCycle(next)) {\n          const message = (next.route.length > 0\n            ? `Dependency cycle via ${routeString(next.route)}`\n            : 'Dependency cycle detected.');\n          context.report(importer, message);\n          return;\n        }\n      }\n    }\n\n    return moduleVisitor(checkSourceValue, context.options[0]);\n  },\n};\n\nfunction routeString(route) {\n  return route.map(s => `${s.value}:${s.loc.start.line}`).join('=>');\n}\n"]}