{"record":{"id":"e2bf7253813366f4","repo":"hpyhacking/peatio","slug":"rule-must-be-a-function","errorCode":null,"errorMessage":"'rule' must be a function","messagePattern":"'rule' must be a function","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"app/assets/javascripts/lib/angular-ui-router.js","lineNumber":1395,"sourceCode":"   *   // Here's an example of how you might allow case insensitive urls\n   *   $urlRouterProvider.rule(function ($injector, $location) {\n   *     var path = $location.path(),\n   *         normalized = path.toLowerCase();\n   *\n   *     if (path !== normalized) {\n   *       return normalized;\n   *     }\n   *   });\n   * });\n   * </pre>\n   *\n   * @param {object} rule Handler function that takes `$injector` and `$location`\n   * services as arguments. You can use them to return a valid path as a string.\n   *\n   * @return {object} `$urlRouterProvider` - `$urlRouterProvider` instance\n   */\n  this.rule = function (rule) {\n    if (!isFunction(rule)) throw new Error(\"'rule' must be a function\");\n    rules.push(rule);\n    return this;\n  };\n\n  /**\n   * @ngdoc object\n   * @name ui.router.router.$urlRouterProvider#otherwise\n   * @methodOf ui.router.router.$urlRouterProvider\n   *\n   * @description\n   * Defines a path that is used when an invalid route is requested.\n   *\n   * @example\n   * <pre>\n   * var app = angular.module('app', ['ui.router.router']);\n   *\n   * app.config(function ($urlRouterProvider) {\n   *   // if the path doesn't match any of the urls you configured","sourceCodeStart":1377,"sourceCodeEnd":1413,"githubUrl":"https://github.com/hpyhacking/peatio/blob/dab8641137c008928c835409342519bfef4eae7f/app/assets/javascripts/lib/angular-ui-router.js#L1377-L1413","documentation":"Error \"'rule' must be a function\" thrown in hpyhacking/peatio.","triggerScenarios":"Thrown at app/assets/javascripts/lib/angular-ui-router.js:1395 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Pass a function as the rule to $urlMatcherFactory.rule(); wrap any string- or object-based matching logic inside a function that returns the match."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"dab8641137c008928c835409342519bfef4eae7f","analyzedAt":"2026-08-23T09:59:18.005Z","schemaVersion":2},"datasetVersion":"2026-08-23T13:39:53.451Z"}