styled-components/lib/utils/createWarnTooManyClasses.js

Visual primitives for the component age. Use the best bits of ES6 and CSS to style your apps without stress 💅

'use strict';

exports.__esModule = true;
var LIMIT = 200;

exports.default = function (displayName) {
  var generatedClasses = {};
  var warningSeen = false;

  return function (className) {
    if (!warningSeen) {
      generatedClasses[className] = true;
      if (Object.keys(generatedClasses).length >= LIMIT) {
        // Unable to find latestRule in test environment.
        /* eslint-disable no-console, prefer-template */
        console.warn('Over ' + LIMIT + ' classes were generated for component ' + displayName + '. \n' + 'Consider using the attrs method, together with a style object for frequently changed styles.\n' + 'Example:\n' + '  const Component = styled.div.attrs({\n' + '    style: ({ background }) => ({\n' + '      background,\n' + '    }),\n' + '  })`width: 100%;`\n\n' + '  <Component />');
        warningSeen = true;
        generatedClasses = {};
      }
    }
  };
};

module.exports = exports['default'];