'use strict';var _docsUrl = require('../docsUrl');var _docsUrl2 = _interopRequireDefault(_docsUrl);function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { 'default': obj };}

function isComma(token) {
  return token.type === 'Punctuator' && token.value === ',';
}

function removeSpecifiers(fixes, fixer, sourceCode, specifiers) {var _iteratorNormalCompletion = true;var _didIteratorError = false;var _iteratorError = undefined;try {
    for (var _iterator = specifiers[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {var specifier = _step.value;
      // remove the trailing comma
      var token = sourceCode.getTokenAfter(specifier);
      if (token && isComma(token)) {
        fixes.push(fixer.remove(token));
      }
      fixes.push(fixer.remove(specifier));
    }} catch (err) {_didIteratorError = true;_iteratorError = err;} finally {try {if (!_iteratorNormalCompletion && _iterator['return']) {_iterator['return']();}} finally {if (_didIteratorError) {throw _iteratorError;}}}
}

function getImportText(
node,
sourceCode,
specifiers,
kind)
{
  var sourceString = sourceCode.getText(node.source);
  if (specifiers.length === 0) {
    return '';
  }

  var names = specifiers.map(function (s) {
    if (s.imported.name === s.local.name) {
      return s.imported.name;
    }
    return String(s.imported.name) + ' as ' + String(s.local.name);
  });
  // insert a fresh top-level import
  return 'import ' + String(kind) + ' {' + String(names.join(', ')) + '} from ' + String(sourceString) + ';';
}

module.exports = {
  meta: {
    type: 'suggestion',
    docs: {
      category: 'Style guide',
      description: 'Enforce or ban the use of inline type-only markers for named imports.',
      url: (0, _docsUrl2['default'])('consistent-type-specifier-style') },

    fixable: 'code',
    schema: [
    {
      type: 'string',
      'enum': ['prefer-inline', 'prefer-top-level'],
      'default': 'prefer-inline' }] },




  create: function () {function create(context) {
      var sourceCode = context.getSourceCode();

      if (context.options[0] === 'prefer-inline') {
        return {
          ImportDeclaration: function () {function ImportDeclaration(node) {
              if (node.importKind === 'value' || node.importKind == null) {
                // top-level value / unknown is valid
                return;
              }

              if (
              // no specifiers (import type {} from '') have no specifiers to mark as inline
              node.specifiers.length === 0 ||
              node.specifiers.length === 1
              // default imports are both "inline" and "top-level"
              && (
              node.specifiers[0].type === 'ImportDefaultSpecifier'
              // namespace imports are both "inline" and "top-level"
              || node.specifiers[0].type === 'ImportNamespaceSpecifier'))

              {
                return;
              }

              context.report({
                node: node,
                message: 'Prefer using inline {{kind}} specifiers instead of a top-level {{kind}}-only import.',
                data: {
                  kind: node.importKind },

                fix: function () {function fix(fixer) {
                    var kindToken = sourceCode.getFirstToken(node, { skip: 1 });

                    return [].concat(
                    kindToken ? fixer.remove(kindToken) : [],
                    node.specifiers.map(function (specifier) {return fixer.insertTextBefore(specifier, String(node.importKind) + ' ');}));

                  }return fix;}() });

            }return ImportDeclaration;}() };

      }

      // prefer-top-level
      return {
        ImportDeclaration: function () {function ImportDeclaration(node) {
            if (
            // already top-level is valid
            node.importKind === 'type' ||
            node.importKind === 'typeof'
            // no specifiers (import {} from '') cannot have inline - so is valid
            || node.specifiers.length === 0 ||
            node.specifiers.length === 1
            // default imports are both "inline" and "top-level"
            && (
            node.specifiers[0].type === 'ImportDefaultSpecifier'
            // namespace imports are both "inline" and "top-level"
            || node.specifiers[0].type === 'ImportNamespaceSpecifier'))

            {
              return;
            }

            var typeSpecifiers = [];
            var typeofSpecifiers = [];
            var valueSpecifiers = [];
            var defaultSpecifier = null;var _iteratorNormalCompletion2 = true;var _didIteratorError2 = false;var _iteratorError2 = undefined;try {
              for (var _iterator2 = node.specifiers[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {var specifier = _step2.value;
                if (specifier.type === 'ImportDefaultSpecifier') {
                  defaultSpecifier = specifier;
                  continue;
                }

                if (specifier.importKind === 'type') {
                  typeSpecifiers.push(specifier);
                } else if (specifier.importKind === 'typeof') {
                  typeofSpecifiers.push(specifier);
                } else if (specifier.importKind === 'value' || specifier.importKind == null) {
                  valueSpecifiers.push(specifier);
                }
              }} catch (err) {_didIteratorError2 = true;_iteratorError2 = err;} finally {try {if (!_iteratorNormalCompletion2 && _iterator2['return']) {_iterator2['return']();}} finally {if (_didIteratorError2) {throw _iteratorError2;}}}

            var typeImport = getImportText(node, sourceCode, typeSpecifiers, 'type');
            var typeofImport = getImportText(node, sourceCode, typeofSpecifiers, 'typeof');
            var newImports = (String(typeImport) + '\n' + String(typeofImport)).trim();

            if (typeSpecifiers.length + typeofSpecifiers.length === node.specifiers.length) {
              // all specifiers have inline specifiers - so we replace the entire import
              var kind = [].concat(
              typeSpecifiers.length > 0 ? 'type' : [],
              typeofSpecifiers.length > 0 ? 'typeof' : []);


              context.report({
                node: node,
                message: 'Prefer using a top-level {{kind}}-only import instead of inline {{kind}} specifiers.',
                data: {
                  kind: kind.join('/') },

                fix: function () {function fix(fixer) {
                    return fixer.replaceText(node, newImports);
                  }return fix;}() });

            } else {
              // remove specific specifiers and insert new imports for them
              var _iteratorNormalCompletion3 = true;var _didIteratorError3 = false;var _iteratorError3 = undefined;try {for (var _iterator3 = typeSpecifiers.concat(typeofSpecifiers)[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {var _specifier = _step3.value;
                  context.report({
                    node: _specifier,
                    message: 'Prefer using a top-level {{kind}}-only import instead of inline {{kind}} specifiers.',
                    data: {
                      kind: _specifier.importKind },

                    fix: function () {function fix(fixer) {
                        var fixes = [];

                        // if there are no value specifiers, then the other report fixer will be called, not this one

                        if (valueSpecifiers.length > 0) {
                          // import { Value, type Type } from 'mod';

                          // we can just remove the type specifiers
                          removeSpecifiers(fixes, fixer, sourceCode, typeSpecifiers);
                          removeSpecifiers(fixes, fixer, sourceCode, typeofSpecifiers);

                          // make the import nicely formatted by also removing the trailing comma after the last value import
                          // eg
                          // import { Value, type Type } from 'mod';
                          // to
                          // import { Value  } from 'mod';
                          // not
                          // import { Value,  } from 'mod';
                          var maybeComma = sourceCode.getTokenAfter(valueSpecifiers[valueSpecifiers.length - 1]);
                          if (isComma(maybeComma)) {
                            fixes.push(fixer.remove(maybeComma));
                          }
                        } else if (defaultSpecifier) {
                          // import Default, { type Type } from 'mod';

                          // remove the entire curly block so we don't leave an empty one behind
                          // NOTE - the default specifier *must* be the first specifier always!
                          //        so a comma exists that we also have to clean up or else it's bad syntax
                          var comma = sourceCode.getTokenAfter(defaultSpecifier, isComma);
                          var closingBrace = sourceCode.getTokenAfter(
                          node.specifiers[node.specifiers.length - 1],
                          function (token) {return token.type === 'Punctuator' && token.value === '}';});

                          fixes.push(fixer.removeRange([
                          comma.range[0],
                          closingBrace.range[1]]));

                        }

                        return fixes.concat(
                        // insert the new imports after the old declaration
                        fixer.insertTextAfter(node, '\n' + String(newImports)));

                      }return fix;}() });

                }} catch (err) {_didIteratorError3 = true;_iteratorError3 = err;} finally {try {if (!_iteratorNormalCompletion3 && _iterator3['return']) {_iterator3['return']();}} finally {if (_didIteratorError3) {throw _iteratorError3;}}}
            }
          }return ImportDeclaration;}() };

    }return create;}() };
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