1 files changed, 53 insertions, 0 deletions
diff --git a/src/fields/URLField.ts b/src/fields/URLField.ts
new file mode 100644
index 000000000..fb71160ca
--- /dev/null
+++ b/src/fields/URLField.ts
@@ -0,0 +1,53 @@
+import { Deserializable } from "../client/util/SerializationHelper";
+import { serializable, custom } from "serializr";
+import { ObjectField } from "./ObjectField";
+import { ToScriptString, ToString, Copy } from "./FieldSymbols";
+import { Scripting, scriptingGlobal } from "../client/util/Scripting";
+
+function url() {
+    return custom(
+        function (value: URL) {
+            return value.href;
+        },
+        function (jsonValue: string) {
+            return new URL(jsonValue);
+        }
+    );
+}
+
+export abstract class URLField extends ObjectField {
+    @serializable(url())
+    readonly url: URL;
+
+    constructor(url: string);
+    constructor(url: URL);
+    constructor(url: URL | string) {
+        super();
+        if (typeof url === "string") {
+            url = new URL(url);
+        }
+        this.url = url;
+    }
+
+    [ToScriptString]() {
+        return `new ${this.constructor.name}("${this.url.href}")`;
+    }
+    [ToString]() {
+        return this.url.href;
+    }
+
+    [Copy](): this {
+        return new (this.constructor as any)(this.url);
+    }
+}
+
+export const nullAudio = "https://actions.google.com/sounds/v1/alarms/beep_short.ogg";
+
+@scriptingGlobal @Deserializable("audio") export class AudioField extends URLField { }
+@scriptingGlobal @Deserializable("image") export class ImageField extends URLField { }
+@scriptingGlobal @Deserializable("video") export class VideoField extends URLField { }
+@scriptingGlobal @Deserializable("pdf") export class PdfField extends URLField { }
+@scriptingGlobal @Deserializable("web") export class WebField extends URLField { }
+@scriptingGlobal @Deserializable("youtube") export class YoutubeField extends URLField { }
+@scriptingGlobal @Deserializable("webcam") export class WebCamField extends URLField { }
+