unicorn/prefer-structured-clone Style

💡 A suggestion is available for this rule.

Prefer using structuredClone to create a deep clone.

structuredClone is the modern way to create a deep clone of a value.

Examples of incorrect code for this rule:

const clone = JSON.parse(JSON.stringify(foo));

const clone = _.cloneDeep(foo);

Examples of correct code for this rule:

const clone = structuredClone(foo);

Configuration

This rule accepts a configuration object with the following properties:

type: string[]

default: ["cloneDeep", "utils.clone"]

List of functions that are allowed to be used for deep cloning instead of structuredClone.

To enable this rule using the config file or in the CLI, you can use:

Config (.oxlintrc.json)Config (oxlint.config.ts)CLI

json

{
  "rules": {
    "unicorn/prefer-structured-clone": "error"
  }
}

import { defineConfig } from "oxlint";

export default defineConfig({
  rules: {
    "unicorn/prefer-structured-clone": "error",
  },
});

bash

oxlint --deny unicorn/prefer-structured-clone

This rule was added in v0.9.0.