ai-course/node_modules/eslint-plugin-import/lib/exportMap/index.js

'use strict';Object.defineProperty(exports, "__esModule", { value: true });var _createClass = function () {function defineProperties(target, props) {for (var i = 0; i < props.length; i++) {var descriptor = props[i];descriptor.enumerable = descriptor.enumerable || false;descriptor.configurable = true;if ("value" in descriptor) descriptor.writable = true;Object.defineProperty(target, descriptor.key, descriptor);}}return function (Constructor, protoProps, staticProps) {if (protoProps) defineProperties(Constructor.prototype, protoProps);if (staticProps) defineProperties(Constructor, staticProps);return Constructor;};}();function _classCallCheck(instance, Constructor) {if (!(instance instanceof Constructor)) {throw new TypeError("Cannot call a class as a function");}}var ExportMap = function () {
  function ExportMap(path) {_classCallCheck(this, ExportMap);
    this.path = path;
    this.namespace = new Map();
    // todo: restructure to key on path, value is resolver + map of names
    this.reexports = new Map();
    /**
                                 * star-exports
                                 * @type {Set<() => ExportMap>}
                                 */
    this.dependencies = new Set();
    /**
                                    * dependencies of this module that are not explicitly re-exported
                                    * @type {Map<string, () => ExportMap>}
                                    */
    this.imports = new Map();
    this.errors = [];
    /**
                       * type {'ambiguous' | 'Module' | 'Script'}
                       */
    this.parseGoal = 'ambiguous';
  }_createClass(ExportMap, [{ key: 'has',














    /**
                                           * Note that this does not check explicitly re-exported names for existence
                                           * in the base namespace, but it will expand all `export * from '...'` exports
                                           * if not found in the explicit namespace.
                                           * @param  {string}  name
                                           * @return {boolean} true if `name` is exported by this module.
                                           */value: function () {function has(
      name) {
        if (this.namespace.has(name)) {return true;}
        if (this.reexports.has(name)) {return true;}

        // default exports must be explicitly re-exported (#328)
        if (name !== 'default') {var _iteratorNormalCompletion = true;var _didIteratorError = false;var _iteratorError = undefined;try {
            for (var _iterator = this.dependencies[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {var dep = _step.value;
              var innerMap = dep();

              // todo: report as unresolved?
              if (!innerMap) {continue;}

              if (innerMap.has(name)) {return true;}
            }} catch (err) {_didIteratorError = true;_iteratorError = err;} finally {try {if (!_iteratorNormalCompletion && _iterator['return']) {_iterator['return']();}} finally {if (_didIteratorError) {throw _iteratorError;}}}
        }

        return false;
      }return has;}()

    /**
                       * ensure that imported name fully resolves.
                       * @param  {string} name
                       * @return {{ found: boolean, path: ExportMap[] }}
                       */ }, { key: 'hasDeep', value: function () {function hasDeep(
      name) {
        if (this.namespace.has(name)) {return { found: true, path: [this] };}

        if (this.reexports.has(name)) {
          var reexports = this.reexports.get(name);
          var imported = reexports.getImport();

          // if import is ignored, return explicit 'null'
          if (imported == null) {return { found: true, path: [this] };}

          // safeguard against cycles, only if name matches
          if (imported.path === this.path && reexports.local === name) {
            return { found: false, path: [this] };
          }

          var deep = imported.hasDeep(reexports.local);
          deep.path.unshift(this);

          return deep;
        }

        // default exports must be explicitly re-exported (#328)
        if (name !== 'default') {var _iteratorNormalCompletion2 = true;var _didIteratorError2 = false;var _iteratorError2 = undefined;try {
            for (var _iterator2 = this.dependencies[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {var dep = _step2.value;
              var innerMap = dep();
              if (innerMap == null) {return { found: true, path: [this] };}
              // todo: report as unresolved?
              if (!innerMap) {continue;}

              // safeguard against cycles
              if (innerMap.path === this.path) {continue;}

              var innerValue = innerMap.hasDeep(name);
              if (innerValue.found) {
                innerValue.path.unshift(this);
                return innerValue;
              }
            }} catch (err) {_didIteratorError2 = true;_iteratorError2 = err;} finally {try {if (!_iteratorNormalCompletion2 && _iterator2['return']) {_iterator2['return']();}} finally {if (_didIteratorError2) {throw _iteratorError2;}}}
        }

        return { found: false, path: [this] };
      }return hasDeep;}() }, { key: 'get', value: function () {function get(

      name) {
        if (this.namespace.has(name)) {return this.namespace.get(name);}

        if (this.reexports.has(name)) {
          var reexports = this.reexports.get(name);
          var imported = reexports.getImport();

          // if import is ignored, return explicit 'null'
          if (imported == null) {return null;}

          // safeguard against cycles, only if name matches
          if (imported.path === this.path && reexports.local === name) {return undefined;}

          return imported.get(reexports.local);
        }

        // default exports must be explicitly re-exported (#328)
        if (name !== 'default') {var _iteratorNormalCompletion3 = true;var _didIteratorError3 = false;var _iteratorError3 = undefined;try {
            for (var _iterator3 = this.dependencies[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {var dep = _step3.value;
              var innerMap = dep();
              // todo: report as unresolved?
              if (!innerMap) {continue;}

              // safeguard against cycles
              if (innerMap.path === this.path) {continue;}

              var innerValue = innerMap.get(name);
              if (innerValue !== undefined) {return innerValue;}
            }} catch (err) {_didIteratorError3 = true;_iteratorError3 = err;} finally {try {if (!_iteratorNormalCompletion3 && _iterator3['return']) {_iterator3['return']();}} finally {if (_didIteratorError3) {throw _iteratorError3;}}}
        }

        return undefined;
      }return get;}() }, { key: 'forEach', value: function () {function forEach(

      callback, thisArg) {var _this = this;
        this.namespace.forEach(function (v, n) {callback.call(thisArg, v, n, _this);});

        this.reexports.forEach(function (reexports, name) {
          var reexported = reexports.getImport();
          // can't look up meta for ignored re-exports (#348)
          callback.call(thisArg, reexported && reexported.get(reexports.local), name, _this);
        });

        this.dependencies.forEach(function (dep) {
          var d = dep();
          // CJS / ignored dependencies won't exist (#717)
          if (d == null) {return;}

          d.forEach(function (v, n) {
            if (n !== 'default') {
              callback.call(thisArg, v, n, _this);
            }
          });
        });
      }return forEach;}()

    // todo: keys, values, entries?
  }, { key: 'reportErrors', value: function () {function reportErrors(
      context, declaration) {
        var msg = this.errors.
        map(function (e) {return String(e.message) + ' (' + String(e.lineNumber) + ':' + String(e.column) + ')';}).
        join(', ');
        context.report({
          node: declaration.source,
          message: 'Parse errors in imported module \'' + String(declaration.source.value) + '\': ' + String(msg) });

      }return reportErrors;}() }, { key: 'hasDefault', get: function () {function get() {return this.get('default') != null;}return get;}() // stronger than this.has
  }, { key: 'size', get: function () {function get() {var size = this.namespace.size + this.reexports.size;this.dependencies.forEach(function (dep) {var d = dep(); // CJS / ignored dependencies won't exist (#717)
          if (d == null) {return;}size += d.size;});return size;}return get;}() }]);return ExportMap;}();exports['default'] = ExportMap;
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