Revert "fix: avoid global unlimited config (#89)"

This reverts commit d455a6e.

index.js

@@ -43,6 +43,7 @@ const { format } = require('node:util')
 function processWarning () {
   const codes = {}
   const emitted = new Map()
+  const opts = Object.create(null)
 
   /**
    * Builds a new {@link ProcessWarning} and adds it to the
@@ -90,12 +91,8 @@ function processWarning () {
       }
     }
 
-    // We need to manage 4 states:
-    // - START: code 0: unlimited emission
-    // - END: code -1: unlimited event emitted
-    // - START: code 1 (default): limited emission to 1
-    // - END: code 2: limited event emitted
-    emitted.set(code, unlimited ? 0 : 1)
+    Object.assign(opts, { unlimited })
+    emitted.set(code, unlimited)
     codes[code] = buildWarnOpts
 
     return codes[code]
@@ -140,10 +137,9 @@ function processWarning () {
    * @param {*} [c] Possible message interpolation value.
    */
   function emit (code, a, b, c) {
-    const state = emitted.get(code)
-    if (state === 2) return
+    if (emitted.get(code) === true && opts.unlimited === false) return
     if (codes[code] === undefined) throw new Error(`The code '${code}' does not exist`)
-    emitted.set(code, state <= 0 ? -1 : (state + 1))
+    emitted.set(code, true)
 
     const warning = codes[code](a, b, c)
     process.emitWarning(warning.message, warning.name, warning.code)
@@ -153,12 +149,7 @@ function processWarning () {
     create,
     createDeprecation,
     emit,
-    emitted: {
-      get (code) {
-        const state = emitted.get(code)
-        return state === -1 || state === 2
-      }
-    }
+    emitted
   }
 }
 

package.json

@@ -8,7 +8,6 @@
   "scripts": {
     "lint": "standard",
     "lint:fix": "standard --fix",
-    "benchmark": "node benchmarks/warn.js",
     "test": "npm run test:unit && npm run test:jest && npm run test:typescript",
     "test:jest": "jest jest.test.js",
     "test:unit": "tap",

test/emit-once-only.test.js

@@ -1,6 +1,6 @@
 'use strict'
 
-const { test } = require('tap')
+const test = require('tap').test
 const build = require('..')
 
 test('emit should emit a given code only once', t => {