eslint-plugin-flowtype/dist/rules/arrayStyle/index.js

Flowtype linting rules for ESLint.

"use strict";

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

var _isSimpleType = _interopRequireDefault(require("./isSimpleType"));

var _needWrap = _interopRequireDefault(require("./needWrap"));

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

const schema = [{
  enum: ['verbose', 'shorthand'],
  type: 'string'
}];

const inlineType = type => {
  const inlined = type.replace(/\s+/ug, ' ');

  if (inlined.length <= 50) {
    return inlined;
  }

  return 'Type';
};

var _default = (defaultConfig, simpleType) => {
  const create = context => {
    const verbose = (context.options[0] || defaultConfig) === 'verbose';
    return {
      // shorthand
      ArrayTypeAnnotation(node) {
        const rawElementType = context.getSourceCode().getText(node.elementType);
        const inlinedType = inlineType(rawElementType);
        const wrappedInlinedType = (0, _needWrap.default)(node.elementType) ? '(' + inlinedType + ')' : inlinedType;

        if ((0, _isSimpleType.default)(node.elementType) === simpleType && verbose) {
          context.report({
            data: {
              type: inlinedType,
              wrappedType: wrappedInlinedType
            },

            fix(fixer) {
              return fixer.replaceText(node, 'Array<' + rawElementType + '>');
            },

            message: 'Use "Array<{{ type }}>", not "{{ wrappedType }}[]"',
            node
          });
        }
      },

      // verbose
      GenericTypeAnnotation(node) {
        // Don't report on un-parameterized Array annotations. There are valid cases for this,
        // but regardless, we must NOT crash when encountering them.
        if (node.id.name === 'Array' && node.typeParameters && node.typeParameters.params.length === 1) {
          const elementTypeNode = node.typeParameters.params[0];
          const rawElementType = context.getSourceCode().getText(elementTypeNode);
          const inlinedType = inlineType(rawElementType);
          const wrappedInlinedType = (0, _needWrap.default)(elementTypeNode) ? '(' + inlinedType + ')' : inlinedType;

          if ((0, _isSimpleType.default)(elementTypeNode) === simpleType && !verbose) {
            context.report({
              data: {
                type: inlinedType,
                wrappedType: wrappedInlinedType
              },

              fix(fixer) {
                if ((0, _needWrap.default)(elementTypeNode)) {
                  return fixer.replaceText(node, '(' + rawElementType + ')[]');
                }

                return fixer.replaceText(node, rawElementType + '[]');
              },

              message: 'Use "{{ wrappedType }}[]", not "Array<{{ type }}>"',
              node
            });
          }
        }
      }

    };
  };

  return {
    create,
    meta: {
      fixable: 'code'
    },
    schema
  };
};

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