fix: more specific error messages (#268)

achingbrain · web-flow · commit db6bdfbf9ffa · 2022-09-12T17:14:40.000+01:00
Make errors more informative.
diff --git a/src/convert.ts b/src/convert.ts
@@ -110,8 +110,11 @@ function ip2bytes (ipString: string) {
 
 function bytes2ip (ipBuff: Uint8Array) {
   const ipString = ip.toString(ipBuff, 0, ipBuff.length)
-  if (ipString == null || !ip.isIP(ipString)) {
-    throw new Error('invalid ip address')
+  if (ipString == null) {
+    throw new Error('ipBuff is required')
+  }
+  if (!ip.isIP(ipString)) {
+    throw new Error(`invalid ip address "${ipString}"`)
   }
   return ipString
 }

Original file line number	Diff line number	Diff line change
`@@ -110,8 +110,11 @@ function ip2bytes (ipString: string) {`
`110`	`110`
`111`	`111`	`function bytes2ip (ipBuff: Uint8Array) {`
`112`	`112`	`const ipString = ip.toString(ipBuff, 0, ipBuff.length)`
`113`		`- if (ipString == null \|\| !ip.isIP(ipString)) {`
`114`		`- throw new Error('invalid ip address')`
	`113`	`+ if (ipString == null) {`
	`114`	`+ throw new Error('ipBuff is required')`
	`115`	`+ }`
	`116`	`+ if (!ip.isIP(ipString)) {`
	`117`	+ throw new Error(`invalid ip address "${ipString}"`)
`115`	`118`	`}`
`116`	`119`	`return ipString`
`117`	`120`	`}`