Merge branch 'master' of https://github.com/browngraphicslab/Dash-Web into server_implementation

1 files changed, 58 insertions, 0 deletions

diff --git a/src/client/util/Scripting.ts b/src/client/util/Scripting.ts
new file mode 100644
index 000000000..6bc5fa412
--- /dev/null
+++ b/src/client/util/Scripting.ts
@@ -0,0 +1,58 @@
+// import * as ts from "typescript"
+let ts = (window as any).ts;
+import { Opt, Field } from "../../fields/Field";
+import { Document as DocumentImport } from "../../fields/Document";
+import { NumberField as NumberFieldImport, NumberField } from "../../fields/NumberField";
+import { ImageField as ImageFieldImport } from "../../fields/ImageField";
+import { TextField as TextFieldImport, TextField } from "../../fields/TextField";
+import { RichTextField as RichTextFieldImport } from "../../fields/RichTextField";
+import { KeyStore as KeyStoreImport } from "../../fields/Key";
+
+export interface ExecutableScript {
+    (): any;
+
+    compiled: boolean;
+}
+
+function ExecScript(script: string, diagnostics: Opt<any[]>): ExecutableScript {
+    const compiled = !(diagnostics && diagnostics.some(diag => diag.category == ts.DiagnosticCategory.Error));
+
+    let func: () => Opt<Field>;
+    if (compiled) {
+        func = function (): Opt<Field> {
+            let KeyStore = KeyStoreImport;
+            let Document = DocumentImport;
+            let NumberField = NumberFieldImport;
+            let TextField = TextFieldImport;
+            let ImageField = ImageFieldImport;
+            let RichTextField = RichTextFieldImport;
+            let window = undefined;
+            let document = undefined;
+            let retVal = eval(script);
+
+            return retVal;
+        };
+    } else {
+        func = () => undefined;
+    }
+
+    return Object.assign(func,
+        {
+            compiled
+        });
+}
+
+export function CompileScript(script: string): ExecutableScript {
+    let result = (window as any).ts.transpileModule(script, {})
+
+    return ExecScript(result.outputText, result.diagnostics);
+}
+
+export function ToField(data: any): Opt<Field> {
+    if (typeof data == "string") {
+        return new TextField(data);
+    } else if (typeof data == "number") {
+        return new NumberField(data);
+    }
+    return undefined;
+}
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