example/deno.jsonc

@@ -9,6 +9,6 @@
     },
     "tasks": {
         "host": "deno run -A --unstable https://deno.land/std@0.181.0/http/file_server.ts",
-        "dev": "deno run -A --unstable --reload=http://localhost:4507/ --no-lock --config=deno.jsonc 'http://localhost:4507/server.tsx?reload=1'"
+        "dev": "deno run -A --unstable --reload=http://localhost:4507/ --no-lock --config=deno.jsonc 'http://localhost:4507/server.tsx'"
     }
 }

server.tsx

@@ -60,8 +60,12 @@ const TranspileURL:Transpiler =async(inPath, inKey, inCheck)=>
 
 
 const LibPath = "lib";
+
+
+async function Configure(inDevMode:boolean, inLibPath:string)
+{
     type ImportMap = {imports?:Record<string, string>, importMap?:string};
-let App, TwindInst;
+    const output:{Imports?:ImportMap, App?:React.FunctionComponent, TwindInst?:Twind.Twind, Error?:string} = {};
     let ImportObject:ImportMap = {};
     try
     {
@@ -75,47 +79,54 @@ try
                 const confImports = await Deno.readTextFile(confDenoParsed.importMap);
                 try
                 {
-                ImportObject = JSON.parse(confImports);
+                    output.Imports = JSON.parse(confImports);
                 }
                 catch(e)
                 {
-                console.log(`"importMap" "${confDenoParsed.importMap}" contains invalid JSON`);
+                    output.Error = `"importMap" "${confDenoParsed.importMap}" contains invalid JSON`;
+                    return output;
                 }
             }
             catch(e)
             {
-            console.log(`"importMap" "${confDenoParsed.importMap}" cannot be found`);
+                output.Error = `"importMap" "${confDenoParsed.importMap}" cannot be found`;
+                return output;
             }
         }
         else if(confDenoParsed.imports)
         {
-        ImportObject = {imports:confDenoParsed.imports};
+            output.Imports  = {imports:confDenoParsed.imports};
         }
     
-    if(ImportObject.imports)
+        if(output.Imports?.imports)
         {
-        const importReact = ImportObject.imports["react"];
+            if(inDevMode)
+            {
+                const importReact = output.Imports.imports["react"];
                 if(importReact)
                 {
-            ImportObject.imports["react-original"] = importReact;
+                    output.Imports.imports["react-original"] = importReact;
-            ImportObject.imports["react"] = `/${LibPath}/react.tsx`;
+                    output.Imports.imports["react"] = `/${inLibPath}/react.tsx`;
                 }
                 else
                 {
-            console.log(`"imports" configuration does not alias "react"`);
+                    output.Error = `"imports" configuration does not alias "react"`;
+                    return output;
+                }
             }
     
-        const importIso = ImportObject.imports["@eno/iso"];
+            const importIso = output.Imports.imports["@eno/iso"];
             if(importIso)
             {
-            ImportObject.imports["@eno/iso"] = `/${LibPath}/iso.tsx`;
+                output.Imports.imports["@eno/iso"] = `/${inLibPath}/iso.tsx`;
             }
             else
             {
-
+                output.Error = `"imports" configuration does not alias "@eno/iso"`;
+                return output;
             }
     
-        const importApp = ImportObject.imports["@eno/app"];
+            const importApp = output.Imports.imports["@eno/app"];
             if(importApp)
             {
                 let appImport 
@@ -125,16 +136,18 @@ try
                 }
                 catch(e)
                 {
-                console.log(`"@eno/app" entry-point (${importApp}) file not found`)
+                    output.Error = `"@eno/app" entry-point (${importApp}) file not found`;
+                    return output;
                 }
                 
                 if(typeof appImport.default == "function" )
                 {
-                App = appImport.default;
+                    output.App = appImport.default;
                 }
                 else
                 {
-                console.log(`"@eno/app" entry-point (${importApp}) needs to export a default function to use as the app root.`)
+                    output.Error = `"@eno/app" entry-point (${importApp}) needs to export a default function to use as the app root.`;
+                    return output;
                 }
     
                 let twindConfig = Iso.CSS;
@@ -145,39 +158,51 @@ try
                 try
                 {
                     // @ts-ignore
-                TwindInst = Twind.install(twindConfig);
+                    output.TwindInst = Twind.install(twindConfig);
                 }
                 catch(e)
                 {
-                console.log(`CSS configuration is malformed`);
+                    output.Error = `CSS configuration is malformed`;
+                    return output;
                 }
-
-            
             }
             else
             {
-            console.log(`"imports" configuration does not alias an entry-point file as "@eno/app"`);
+                output.Error = `"imports" configuration does not alias an entry-point file as "@eno/app"`;
+                return output;
             }
             
     
-        Object.entries(ImportObject.imports).forEach(([key, value])=>{
+            Object.entries(output.Imports.imports).forEach(([key, value])=>{
-            if(value.startsWith("./") && ImportObject.imports)
+                if(value.startsWith("./") && output.Imports?.imports)
                 {
-                ImportObject.imports[key] = value.substring(1);
+                    output.Imports.imports[key] = value.substring(1);
                 }
             })
         }
         else
         {
-        console.log(`No "imports" found in configuration`);
+            output.Error = `No "imports" found in configuration`;
+            return output;
         }
     }
     catch(e)
     {
-    console.log(`error during configuration: ${e}`);
+        output.Error = `error during configuration: ${e}`;
+        return output;
+    }
+    return output;
 }
 
+const {Imports, App, TwindInst, Error} = await Configure(true, LibPath);
 
+if(Error)
+{
+    console.log(Error);
+}
+
+if(App && TwindInst)
+{
     Deno.serve({ port: Deno.args[0]||3000 }, async(_req:Request) =>
     {
         const url:URL = new URL(_req.url);
@@ -298,7 +323,7 @@ FileListen("${url.pathname}", reloadHandler);`;
             <meta name="viewport" content="width=device-width, initial-scale=1.0">
             <meta charset="utf-8"/>
             <style data-twind>${results.css}</style>
-        <script type="importmap">${JSON.stringify(ImportObject)}</script>
+            <script type="importmap">${JSON.stringify(Imports)}</script>
         </head>
         <body>
             <div id="app">${results.html}</div>
@@ -364,3 +389,4 @@ for await (const event of Deno.watchFs(Deno.cwd()))
             ProcessFiles();
         }
     }
+}