perf: remove supports-color dep

Author: sxzz

package.json

@@ -50,9 +50,6 @@
   "peerDependenciesMeta": {
     "ms": {
       "optional": true
-    },
-    "supports-color": {
-      "optional": true
     }
   },
   "devDependencies": {

src/node.ts

@@ -14,27 +14,16 @@ export function log(...args: any[]): void {
   process.stderr.write(`${formatWithOptions(inspectOpts, ...args)}\n`)
 }
 
-function getColors() {
-  try {
-    // Optional dependency (as in, doesn't need to be installed, NOT like optionalDependencies in package.json)
-
-    const supportsColor = require('supports-color')
-
-    if (supportsColor && (supportsColor.stderr || supportsColor).level >= 2) {
-      return [
+export const colors: number[] =
+  process.stderr.getColorDepth() > 2
+    ? [
         20, 21, 26, 27, 32, 33, 38, 39, 40, 41, 42, 43, 44, 45, 56, 57, 62, 63,
         68, 69, 74, 75, 76, 77, 78, 79, 80, 81, 92, 93, 98, 99, 112, 113, 128,
         129, 134, 135, 148, 149, 160, 161, 162, 163, 164, 165, 166, 167, 168,
         169, 170, 171, 172, 173, 178, 179, 184, 185, 196, 197, 198, 199, 200,
         201, 202, 203, 204, 205, 206, 207, 208, 209, 214, 215, 220, 221,
       ]
-    }
-  } catch {
-    // Swallow - we only care if `supports-color` is available; it doesn't have to be.
-  }
-  return [6, 2, 3, 4, 5, 1]
-}
-export const colors: number[] = getColors()
+    : [6, 2, 3, 4, 5, 1]
 
 const inspectOpts: InspectOptions = Object.keys(process.env)
   .filter((key) => {