Refactor parser for some added flexibility.

terms/terms.ts

@@ -0,0 +1,35 @@
+import * as actions from "./actions.ts";
+import { Action } from "./Term.ts";
+
+const inventory: Action = {
+	action: actions.checkInventory,
+	canPrecedeVariable: false,
+	category: "action",
+	constant: "inventory",
+	precedesCategories: [],
+	precedesConstants: [],
+};
+
+const look: Action = {
+	action: actions.look,
+	canPrecedeVariable: false,
+	category: "action",
+	constant: "look",
+	precedesCategories: [],
+	precedesConstants: [],
+};
+
+const take: Action = {
+	action: actions.pickUpItem,
+	category: "action",
+	canPrecedeVariable: true,
+	constant: "take",
+	precedesCategories: [],
+	precedesConstants: [],
+};
+
+export const terms = {
+	[inventory.constant]: inventory,
+	[look.constant]: look,
+	[take.constant]: take,
+};