refactor: remove std-env from dependencies

Author: orochaa

examples/basic/package.json

@@ -11,7 +11,7 @@
   "scripts": {
     "start": "jiti ./index.ts",
     "spinner": "jiti ./spinner.ts",
-    "spinner-ci": "npx cross-env GITHUB_ACTIONS=\"true\" jiti ./spinner-ci.ts"
+    "spinner-ci": "npx cross-env CI=\"true\" jiti ./spinner-ci.ts"
   },
   "devDependencies": {
     "jiti": "^1.17.0"

packages/prompts/package.json

@@ -55,8 +55,7 @@
   "dependencies": {
     "@clack/core": "workspace:*",
     "picocolors": "^1.0.0",
-    "sisteransi": "^1.0.5",
-    "std-env": "^3.4.3"
+    "sisteransi": "^1.0.5"
   },
   "devDependencies": {
     "is-unicode-supported": "^1.3.0"

packages/prompts/src/index.ts

@@ -13,7 +13,6 @@ import {
 import isUnicodeSupported from 'is-unicode-supported';
 import color from 'picocolors';
 import { cursor, erase } from 'sisteransi';
-import { isCI } from 'std-env';
 
 export { isCancel } from '@clack/core';
 
@@ -640,6 +639,7 @@ export const log = {
 export const spinner = () => {
 	const frames = unicode ? ['◒', '◐', '◓', '◑'] : ['•', 'o', 'O', '0'];
 	const delay = unicode ? 80 : 120;
+	const isCI = process.env.CI === 'true';
 
 	let unblock: () => void;
 	let loop: NodeJS.Timeout;