"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _iterateJsdoc = _interopRequireDefault(require("../iterateJsdoc"));

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

/**
 * We can skip checking for a yield value, in case the documentation is inherited
 * or the method has a constructor or abstract tag.
 *
 * In either of these cases the yield value is optional or not defined.
 *
 * @param {*} utils
 *   a reference to the utils which are used to probe if a tag is present or not.
 * @returns {boolean}
 *   true in case deep checking can be skipped; otherwise false.
 */
const canSkip = utils => {
  return utils.hasATag([// inheritdoc implies that all documentation is inherited
  // see https://jsdoc.app/tags-inheritdoc.html
  //
  // Abstract methods are by definition incomplete,
  // so it is not an error if it declares a yield value but does not implement it.
  'abstract', 'virtual', // Constructors do not have a yield value
  // so we can bail out here, too.
  'class', 'constructor', // Yield (and any `next`) type is specified accompanying the targeted
  //   @type
  'type', // This seems to imply a class as well
  'interface']) || utils.avoidDocs();
};

const checkTagName = (utils, report, tagName) => {
  const preferredTagName = utils.getPreferredTagName({
    tagName
  });

  if (!preferredTagName) {
    return [];
  }

  const tags = utils.getTags(preferredTagName);

  if (tags.length > 1) {
    report(`Found more than one @${preferredTagName} declaration.`);
  } // In case the code yields something, we expect a yields value in JSDoc.


  const [tag] = tags;
  const missingTag = typeof tag === 'undefined' || tag === null;
  return [preferredTagName, missingTag];
};

var _default = (0, _iterateJsdoc.default)(({
  report,
  utils,
  context
}) => {
  const {
    next = false,
    nextWithGeneratorTag = false,
    forceRequireNext = false,
    forceRequireYields = false,
    withGeneratorTag = true
  } = context.options[0] || {}; // A preflight check. We do not need to run a deep check
  // in case the @yield comment is optional or undefined.

  if (canSkip(utils)) {
    return;
  }

  const iteratingFunction = utils.isIteratingFunction();
  const [preferredYieldTagName, missingYieldTag] = checkTagName(utils, report, 'yields');

  if (preferredYieldTagName) {
    const shouldReportYields = () => {
      if (!missingYieldTag) {
        return false;
      }

      if (withGeneratorTag && utils.hasTag('generator') || forceRequireYields && iteratingFunction && utils.isGenerator()) {
        return true;
      }

      return iteratingFunction && utils.isGenerator() && utils.hasYieldValue();
    };

    if (shouldReportYields()) {
      report(`Missing JSDoc @${preferredYieldTagName} declaration.`);
    }
  }

  if (next || nextWithGeneratorTag || forceRequireNext) {
    const [preferredNextTagName, missingNextTag] = checkTagName(utils, report, 'next');

    if (!preferredNextTagName) {
      return;
    }

    const shouldReportNext = () => {
      if (!missingNextTag) {
        return false;
      }

      if (nextWithGeneratorTag && utils.hasTag('generator')) {
        return true;
      }

      if (!next && !forceRequireNext || !iteratingFunction || !utils.isGenerator()) {
        return false;
      }

      return forceRequireNext || utils.hasYieldReturnValue();
    };

    if (shouldReportNext()) {
      report(`Missing JSDoc @${preferredNextTagName} declaration.`);
    }
  }
}, {
  contextDefaults: true,
  meta: {
    docs: {
      description: 'Requires yields are documented.',
      url: 'https://github.com/gajus/eslint-plugin-jsdoc#eslint-plugin-jsdoc-rules-require-yields'
    },
    schema: [{
      additionalProperties: false,
      properties: {
        contexts: {
          items: {
            anyOf: [{
              type: 'string'
            }, {
              additionalProperties: false,
              properties: {
                comment: {
                  type: 'string'
                },
                context: {
                  type: 'string'
                }
              },
              type: 'object'
            }]
          },
          type: 'array'
        },
        exemptedBy: {
          items: {
            type: 'string'
          },
          type: 'array'
        },
        forceRequireNext: {
          default: false,
          type: 'boolean'
        },
        forceRequireYields: {
          default: false,
          type: 'boolean'
        },
        next: {
          default: false,
          type: 'boolean'
        },
        nextWithGeneratorTag: {
          default: false,
          type: 'boolean'
        },
        withGeneratorTag: {
          default: true,
          type: 'boolean'
        }
      },
      type: 'object'
    }],
    type: 'suggestion'
  }
});

exports.default = _default;
module.exports = exports.default;
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