eslint-plugin-ft-flow/dist/rules/newlineAfterFlowAnnotation.js

Flowtype linting rules for ESLint by flow-typed

"use strict";

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

var looksLikeFlowFileAnnotation = function looksLikeFlowFileAnnotation(comment) {
  return /^[\t-\r \xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000\uFEFF]*(?:[\0-\t\x0B\f\x0E-\u2027\u202A-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])*@(?:no)?flow((?:[\0-\t\x0B\f\x0E-\u2027\u202A-\uD7FF\uE000-\uFFFF]|[\uD800-\uDBFF][\uDC00-\uDFFF]|[\uD800-\uDBFF](?![\uDC00-\uDFFF])|(?:[^\uD800-\uDBFF]|^)[\uDC00-\uDFFF])|[\t-\r \xA0\u1680\u2000-\u200A\u2028\u2029\u202F\u205F\u3000\uFEFF])*/.test(comment);
};

var schema = [{
  "enum": ['always', 'always-windows', 'never'],
  type: 'string'
}];

var create = function create(context) {
  var mode = context.options[0];
  var never = mode === 'never';
  var newline = mode === 'always-windows' ? '\r\n' : '\n';
  return {
    Program: function Program(node) {
      var sourceCode = context.getSourceCode();
      var potentialFlowFileAnnotation = sourceCode.getAllComments().find(function (comment) {
        return looksLikeFlowFileAnnotation(comment.value);
      });

      if (potentialFlowFileAnnotation) {
        var line = potentialFlowFileAnnotation.loc.end.line;
        var nextLineIsEmpty = sourceCode.lines[line] === '';

        if (!never && !nextLineIsEmpty) {
          context.report({
            fix: function fix(fixer) {
              return fixer.insertTextAfter(potentialFlowFileAnnotation, newline);
            },
            message: 'Expected newline after flow annotation',
            node: node
          });
        }

        if (never && nextLineIsEmpty) {
          context.report({
            fix: function fix(fixer) {
              var lineBreak = sourceCode.text[potentialFlowFileAnnotation.range[1]];
              return fixer.replaceTextRange([potentialFlowFileAnnotation.range[1], potentialFlowFileAnnotation.range[1] + (lineBreak === '\r' ? 2 : 1)], '');
            },
            message: 'Expected no newline after flow annotation',
            node: node
          });
        }
      }
    }
  };
};

var _default = {
  create: create,
  meta: {
    fixable: 'code',
    schema: schema
  }
};
exports["default"] = _default;
module.exports = exports.default;