"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = warning;
var _utils = require("./utils");
/**
 * Internal dependencies
 */

function isDev() {
  return typeof SCRIPT_DEBUG !== 'undefined' && SCRIPT_DEBUG === true;
}

/**
 * Shows a warning with `message` if environment is not `production`.
 *
 * @param {string} message Message to show in the warning.
 *
 * @example
 * ```js
 * import warning from '@wordpress/warning';
 *
 * function MyComponent( props ) {
 *   if ( ! props.title ) {
 *     warning( '`props.title` was not passed' );
 *   }
 *   ...
 * }
 * ```
 */
function warning(message) {
  if (!isDev()) {
    return;
  }

  // Skip if already logged.
  if (_utils.logged.has(message)) {
    return;
  }

  // eslint-disable-next-line no-console
  console.warn(message);

  // Throwing an error and catching it immediately to improve debugging
  // A consumer can use 'pause on caught exceptions'
  // https://github.com/facebook/react/issues/4216
  try {
    throw Error(message);
  } catch (x) {
    // Do nothing.
  }
  _utils.logged.add(message);
}
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