From 136194eba78c0427926cba0be9a11650e6f4be2b Mon Sep 17 00:00:00 2001
From: Tyler Schicke <tyler_schicke@brown.edu>
Date: Mon, 4 Feb 2019 18:27:19 -0500
Subject: more scripting stuff

---
 src/util/Scripting.ts | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

(limited to 'src/util')

diff --git a/src/util/Scripting.ts b/src/util/Scripting.ts
index bf312918e..ac7d1550a 100644
--- a/src/util/Scripting.ts
+++ b/src/util/Scripting.ts
@@ -1,7 +1,32 @@
 import * as ts from "typescript"
 import { Opt, Field } from "../fields/Field";
 
-export class ExecutableScript extends Function {
+export interface ExecutableScript {
+    (): any;
+
+    compiled: boolean;
+}
+
+function ExecScript(script: string, diagnostics: Opt<ts.Diagnostic[]>): ExecutableScript {
+    const compiled = !(diagnostics && diagnostics.some(diag => diag.category == ts.DiagnosticCategory.Error));
+
+    let func: () => Opt<Field>;
+    if (compiled) {
+        func = function (): Opt<Field> {
+            let window = undefined;
+            let document = undefined;
+            let retVal = eval.call(undefined, script);
+
+            return retVal;
+        };
+    } else {
+        func = () => undefined;
+    }
+
+    return Object.assign(func,
+        {
+            compiled
+        });
 }
 
 export function CompileScript(script: string): ExecutableScript {
@@ -10,7 +35,6 @@ export function CompileScript(script: string): ExecutableScript {
             module: ts.ModuleKind.CommonJS
         }
     })
-    console.log(result.outputText);
 
-    return () => { };
+    return ExecScript(result.outputText, result.diagnostics);
 }
\ No newline at end of file
-- 
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