changed function returns to objects

src/build.ts

@@ -6,12 +6,17 @@ import readMeta from './readmeta'
 import { format, resolveConfig } from 'prettier'
 import { CLIArgs } from './main'
 
-export default function (
+export default interface runBuild {
+    meta: UserScriptMetaFull
+    error: string | null
+}
+
+export default function runBuild(
     name: string,
-    watchCallback: (meta: UserScriptMetaFull, error: string | null) => void
-): [UserScriptMetaFull, string | null] {
+    watchCallback: (result: runBuild) => void
+) {
     //read meta file
-    let [metaJson, metaString] = readMeta(name)
+    let { meta, metaString } = readMeta(name)
     let pathDist = DistPath(name)
 
     let result = runEsbuild(
@@ -27,24 +32,30 @@ export default function (
             minify: CLIArgs.minify,
 
             define: {
-                UserScriptName: `'${metaJson.name}'`,
-                UserScriptNamespace: `'${metaJson.namespace}'`,
-                UserScriptVersion: `'${metaJson.version}'`,
+                UserScriptName: `'${meta.name}'`,
+                UserScriptNamespace: `'${meta.namespace}'`,
+                UserScriptVersion: `'${meta.version}'`,
 
-                UserScriptDownloadURL: `'${metaJson.downloadURL}'`,
-                UserScriptSupportURL: `'${metaJson.supportURL}'`,
-                UserScriptHomepageURL: `'${metaJson.homepageURL}'`,
+                UserScriptDownloadURL: `'${meta.downloadURL}'`,
+                UserScriptSupportURL: `'${meta.supportURL}'`,
+                UserScriptHomepageURL: `'${meta.homepageURL}'`,
             },
         },
         result => {
             let error = postBuild(name, result, metaString)
-            watchCallback(metaJson, error)
+            watchCallback({
+                meta,
+                error,
+            })
         }
     )
 
     let error = postBuild(name, result, metaString)
 
-    return [metaJson, error]
+    return {
+        meta,
+        error,
+    }
 }
 
 interface RunEsbuildResult {