rename_identifier

Refactor code by renaming identifiers intelligently, excluding strings and comments. Preview changes before applying to ensure accuracy and consistency in JavaScript/TypeScript projects.

Instructions

Intelligently rename all occurrences of an identifier throughout the code. Avoids renaming in strings/comments.

Examples: • Refactor function names: rename_identifier('fetchData', 'fetchUserData') • Improve variable names: rename_identifier('data', 'userData') • Update class names: rename_identifier('Manager', 'UserManager') • API consistency: rename_identifier('getUserInfo', 'fetchUserInfo') • Preview first: rename_identifier('oldName', 'newName', {preview: true}) • Legacy code update: rename_identifier('XMLHttpRequest', 'fetch')

Input Schema

Name	Required	Description
`newName`	Yes	New identifier name (should be valid JavaScript identifier)
`oldName`	Yes	Current identifier name to find and replace
`preview`	No	Return preview only without applying changes (default: false). Always preview first for safety.

Input Schema (JSON Schema)

{
  "properties": {
    "newName": {
      "description": "New identifier name (should be valid JavaScript identifier)",
      "type": "string"
    },
    "oldName": {
      "description": "Current identifier name to find and replace",
      "type": "string"
    },
    "preview": {
      "description": "Return preview only without applying changes (default: false). Always preview first for safety.",
      "type": "boolean"
    }
  },
  "required": [
    "oldName",
    "newName"
  ],
  "type": "object"
}

Tree-Hugger-JS MCP Server