1 files changed, 81 insertions, 0 deletions
diff --git a/src/client/util/ScriptingGlobals.ts b/src/client/util/ScriptingGlobals.ts
new file mode 100644
index 000000000..f151acd81
--- /dev/null
+++ b/src/client/util/ScriptingGlobals.ts
@@ -0,0 +1,81 @@
+
+import * as ts from "typescript";
+export { ts };
+
+export namespace ScriptingGlobals {
+    export function add(global: { name: string }): void;
+    export function add(name: string, global: any): void;
+    export function add(global: { name: string }, decription?: string, params?: string): void;
+    export function add(first: any, second?: any, third?: string) {
+        let n: any;
+        let obj: any;
+
+        if (second !== undefined) {
+            if (typeof first === "string") {
+                n = first;
+                obj = second;
+            } else {
+                obj = first;
+                n = first.name;
+                _scriptingDescriptions[n] = second;
+                if (third !== undefined) {
+                    _scriptingParams[n] = third;
+                }
+            }
+        } else if (first && typeof first.name === "string") {
+            n = first.name;
+            obj = first;
+        } else {
+            throw new Error("Must either register an object with a name, or give a name and an object");
+        }
+        if (n === undefined || n === "undefined") {
+            return false;
+        } else if (_scriptingGlobals.hasOwnProperty(n)) {
+            throw new Error(`Global with name ${n} is already registered, choose another name`);
+        }
+        _scriptingGlobals[n] = obj;
+    }
+    export function makeMutableGlobalsCopy(globals?: { [name: string]: any }) {
+        return { ..._scriptingGlobals, ...(globals || {}) };
+    }
+
+    export function setScriptingGlobals(globals: { [key: string]: any }) {
+        scriptingGlobals = globals;
+    }
+
+    export function removeGlobal(name: string) {
+        if (getGlobals().includes(name)) {
+            delete _scriptingGlobals[name];
+            if (_scriptingDescriptions[name]) {
+                delete _scriptingDescriptions[name];
+            }
+            if (_scriptingParams[name]) {
+                delete _scriptingParams[name];
+            }
+            return true;
+        }
+        return false;
+    }
+
+    export function resetScriptingGlobals() { scriptingGlobals = _scriptingGlobals; }
+
+    // const types = Object.keys(ts.SyntaxKind).map(kind => ts.SyntaxKind[kind]);
+    export function printNodeType(node: any, indentation = "") { console.log(indentation + ts.SyntaxKind[node.kind]); }
+
+    export function getGlobals() { return Object.keys(_scriptingGlobals); }
+
+    export function getGlobalObj() { return _scriptingGlobals; }
+
+    export function getDescriptions() { return _scriptingDescriptions; }
+
+    export function getParameters() { return _scriptingParams; }
+}
+
+export function scriptingGlobal(constructor: { new(...args: any[]): any }) {
+    ScriptingGlobals.add(constructor);
+}
+
+const _scriptingGlobals: { [name: string]: any } = {};
+export let scriptingGlobals: { [name: string]: any } = _scriptingGlobals;
+const _scriptingDescriptions: { [name: string]: any } = {};
+const _scriptingParams: { [name: string]: any } = {};
+\ No newline at end of file