1 files changed, 18 insertions, 12 deletions
diff --git a/src/client/util/Scripting.ts b/src/client/util/Scripting.ts
index f17a98616..70c2e3842 100644
--- a/src/client/util/Scripting.ts
+++ b/src/client/util/Scripting.ts
@@ -7,8 +7,6 @@
 import * as typescriptlib from '!!raw-loader!./type_decls.d';
 import * as ts from 'typescript';
 import { Doc, Field } from '../../fields/Doc';
-import { ToScriptString } from '../../fields/FieldSymbols';
-import { ObjectField } from '../../fields/ObjectField';
 import { RefField } from '../../fields/RefField';
 import { ScriptField } from '../../fields/ScriptField';
 import { scriptingGlobals, ScriptingGlobals } from './ScriptingGlobals';
@@ -60,7 +58,14 @@ function Run(script: string | undefined, customParams: string[], diagnostics: an
     // let fieldTypes = [Doc, ImageField, PdfField, VideoField, AudioField, List, RichTextField, ScriptField, ComputedField, CompileScript];
     // let paramNames = ["Docs", ...fieldTypes.map(fn => fn.name)];
     // let params: any[] = [Docs, ...fieldTypes];
-    const compiledFunction = new Function(...paramNames, `return ${script}`);
+    const compiledFunction = (() => {
+        try {
+            return new Function(...paramNames, `return ${script}`);
+        } catch {
+            return undefined;
+        }
+    })();
+    if (!compiledFunction) return { compiled: false, errors };
     const { capturedVariables = {} } = options;
     const run = (args: { [name: string]: any } = {}, onError?: (e: any) => void, errorVal?: any): ScriptResult => {
         const argsArray: any[] = [];
@@ -155,7 +160,7 @@ export type Traverser = (node: ts.Node, indentation: string) => boolean | void;
 export type TraverserParam = Traverser | { onEnter: Traverser; onLeave: Traverser };
 export type Transformer = {
     transformer: ts.TransformerFactory<ts.SourceFile>;
-    getVars?: () => { capturedVariables: { [name: string]: Field } };
+    getVars?: () => { [name: string]: Field };
 };
 export interface ScriptOptions {
     requiredType?: string; // does function required a typed return value
@@ -205,16 +210,17 @@ export function CompileScript(script: string, options: ScriptOptions = {}): Comp
     if (options.transformer) {
         const sourceFile = ts.createSourceFile('script.ts', script, ts.ScriptTarget.ES2015, true);
         const result = ts.transform(sourceFile, [options.transformer.transformer]);
-        if (options.transformer.getVars) {
-            const newCaptures = options.transformer.getVars();
+        const newCaptures = options.transformer.getVars?.();
+        if (Object.keys(newCaptures ?? {}).length) {
             // tslint:disable-next-line: prefer-object-spread
-            options.capturedVariables = Object.assign(capturedVariables, newCaptures.capturedVariables) as any;
+            //options.capturedVariables = Object.assign(capturedVariables, newCaptures!) as any;
+
+            const transformed = result.transformed;
+            const printer = ts.createPrinter({
+                newLine: ts.NewLineKind.LineFeed,
+            });
+            script = printer.printFile(transformed[0]);
         }
-        const transformed = result.transformed;
-        const printer = ts.createPrinter({
-            newLine: ts.NewLineKind.LineFeed,
-        });
-        script = printer.printFile(transformed[0]);
         result.dispose();
     }
     const paramNames: string[] = [];