Convert to CONSTANT_CASE Action for Mac

Overview

What Convert to CONSTANT_CASE does

Splits mixed identifiers into words, joins them with underscores, and uppercases the result for constants and environment keys.

Category	Developer Tools
Action type	JavaScript
Result	Replace or copy text
Internet	Not required

Example

Action and outcome

Convert to CONSTANT_CASE example
Action	Outcome
Convert to CONSTANT_CASESelected text: HTTP response code	HTTP_RESPONSE_CODE

Workflow

Use Convert to CONSTANT_CASE

Follow these steps to convert selected words or identifiers to CONSTANT_CASE with ActionClip.

Select the text you want to use.
Choose Convert to CONSTANT_CASE from ActionClip.
Review the result, then replace the selection or copy the new text.

Before you add it

Requirements and privacy

Before you start: No setup required.
Your selected text: Runs locally in ActionClip’s JavaScript sandbox. Selected text does not leave your Mac.

Inspect before installing

Action configuration

The definition below is included so you can inspect how the action works before downloading it.

JavaScript definition

function run(selected_text) {
  const words = selected_text
    .normalize("NFKD")
    .replace(/\p{M}+/gu, "")
    .replace(/([A-Z\d]+)([A-Z][a-z])/g, "$1 $2")
    .replace(/([a-z\d])([A-Z])/g, "$1 $2")
    .replace(/[^\p{L}\p{N}]+/gu, " ")
    .trim()
    .split(/\s+/)
    .filter(Boolean)
    .map((word) => word.toLowerCase());

  if (!words.length) return "";
  const capitalize = (word) => word.charAt(0).toUpperCase() + word.slice(1);
  return words.join("_").toUpperCase();
}