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node_modules/eslint/lib/rules/no-sync.js 1.45 KB
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  /**
   * @fileoverview Rule to check for properties whose identifier ends with the string Sync
   * @author Matt DuVall<http://mattduvall.com/>
   */
  
  /* jshint node:true */
  
  "use strict";
  
  //------------------------------------------------------------------------------
  // Rule Definition
  //------------------------------------------------------------------------------
  
  module.exports = {
      meta: {
          docs: {
              description: "disallow synchronous methods",
              category: "Node.js and CommonJS",
              recommended: false,
              url: "https://eslint.org/docs/rules/no-sync"
          },
  
          schema: [
              {
                  type: "object",
                  properties: {
                      allowAtRootLevel: {
                          type: "boolean"
                      }
                  },
                  additionalProperties: false
              }
          ]
      },
  
      create(context) {
          const selector = context.options[0] && context.options[0].allowAtRootLevel
              ? ":function MemberExpression[property.name=/.*Sync$/]"
              : "MemberExpression[property.name=/.*Sync$/]";
  
          return {
              [selector](node) {
                  context.report({
                      node,
                      message: "Unexpected sync method: '{{propertyName}}'.",
                      data: {
                          propertyName: node.property.name
                      }
                  });
              }
          };
  
      }
  };