max-dependencies.js

'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"); } }; }();

var _staticRequire = require('../core/staticRequire');

var _staticRequire2 = _interopRequireDefault(_staticRequire);

var _docsUrl = require('../docsUrl');

var _docsUrl2 = _interopRequireDefault(_docsUrl);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const DEFAULT_MAX = 10;

const countDependencies = (dependencies, lastNode, context) => {
  var _ref = context.options[0] || { max: DEFAULT_MAX };

  const max = _ref.max;


  if (dependencies.size > max) {
    context.report(lastNode, `Maximum number of dependencies (${max}) exceeded.`);
  }
};

module.exports = {
  meta: {
    type: 'suggestion',
    docs: {
      url: (0, _docsUrl2.default)('max-dependencies')
    },

    schema: [{
      'type': 'object',
      'properties': {
        'max': { 'type': 'number' }
      },
      'additionalProperties': false
    }]
  },

  create: context => {
    const dependencies = new Set(); // keep track of dependencies
    let lastNode; // keep track of the last node to report on

    return {
      ImportDeclaration(node) {
        dependencies.add(node.source.value);
        lastNode = node.source;
      },

      CallExpression(node) {
        if ((0, _staticRequire2.default)(node)) {
          var _node$arguments = _slicedToArray(node.arguments, 1);

          const requirePath = _node$arguments[0];

          dependencies.add(requirePath.value);
          lastNode = node;
        }
      },

      'Program:exit': function () {
        countDependencies(dependencies, lastNode, context);
      }
    };
  }
};
//# sourceMappingURL=data:application/json;charset=utf-8;base64,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