General Actions to handlers Refacto

tests/test.js

@@ -2,12 +2,40 @@ import yargs from 'yargs/yargs'
 import { hideBin } from 'yargs/helpers'
 import { pathToFileURL } from 'url'
 import { fileURLToPath } from 'url'
-import { dirname, join } from 'path'
+import { dirname, join, resolve } from 'path'
 import { RedisConnexion } from '../redisConnexion.js'
 import { configHelper } from '../configHelper.js'
 import { MySQLClient } from '@p42/p42modules'
 
 const __dirname = dirname(fileURLToPath(import.meta.url))
+const __filename = fileURLToPath(import.meta.url)
+
+const UUID_DASHED_RE = /^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/i
+const UUID_HEX32_RE = /^[0-9a-f]{32}$/i
+
+export function normalizeUuid(value) {
+    if(typeof(value) !== 'string') {
+        throw(new Error('UUID must be a string'))
+    }
+
+    const trimmed = value.trim()
+    if(!trimmed) throw(new Error('UUID must be a non-empty string'))
+
+    if(UUID_DASHED_RE.test(trimmed)) {
+        return(trimmed.toLowerCase())
+    }
+
+    let hex = trimmed
+    if(/^0x/i.test(hex)) hex = hex.slice(2)
+    if(!UUID_HEX32_RE.test(hex)) {
+        throw(new Error(
+            `Invalid UUID: ${value} (expected dashed form or 32-char hex, optionally prefixed with 0x)`
+        ))
+    }
+
+    hex = hex.toLowerCase()
+    return(`${hex.slice(0, 8)}-${hex.slice(8, 12)}-${hex.slice(12, 16)}-${hex.slice(16, 20)}-${hex.slice(20)}`)
+}
 
 const LOG_COLORS = {
     action: '\x1b[37m',
@@ -145,6 +173,7 @@ async function main() {
         systemCnx,
         arenaCnx,
         log,
+        normalizeUuid,
         onArenaMessage(handler) {
             arenaHandlers.add(handler)
         },
@@ -173,7 +202,11 @@ async function main() {
     process.exit(exitCode)
 }
 
-main().catch(err => {
-    console.error(`${LOG_COLORS.error}${err.message ?? err}${LOG_COLORS.reset}`)
-    process.exit(1)
-})
+const isMain = process.argv[1] && resolve(__filename) === resolve(process.argv[1])
+
+if(isMain) {
+    main().catch(err => {
+        console.error(`${LOG_COLORS.error}${err.message ?? err}${LOG_COLORS.reset}`)
+        process.exit(1)
+    })
+}