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import { URL } from "node:url";
class ClipboardEvent {
constructor(
type: "paste" | "copy",
eventInitDict: {
clipboardData: DataTransfer;
},
) {
return Object.assign(
new Event("paste", {
bubbles: true,
cancelable: true,
composed: true,
}),
{
clipboardData: eventInitDict.clipboardData,
},
) as any as ClipboardEvent;
}
}
type DataKind = "string" | "file";
class DataTransferItem {
kind: DataKind;
type: string;
data: string | Blob;
constructor(kind: DataKind, type: string, data: string | Blob) {
this.kind = kind;
this.type = type;
this.data = data;
}
getAsString(callback: (data: string) => void): void {
if (this.kind === "string") {
callback(this.data as string);
}
}
getAsFile(): File | null {
if (this.kind === "file" && this.data instanceof File) {
return this.data;
}
return null;
}
}
class DataTransferList {
items: DataTransferItem[] = [];
add(data: string | File, type: string = ""): void {
if (typeof data === "string") {
this.items.push(new DataTransferItem("string", type, data));
} else if (data instanceof File) {
this.items.push(new DataTransferItem("file", type, data));
}
}
clear(): void {
this.items = [];
}
}
class DataTransfer {
public items: DataTransferList = new DataTransferList();
private _types: Record<string, string> = {};
get files() {
return this.items.items
.filter((item) => item.kind === "file")
.map((item) => item.getAsFile()!);
}
add(data: string | File, type: string = ""): void {
this.items.add(data, type);
}
setData(type: string, value: string) {
this._types[type] = value;
}
getData(type: string) {
return this._types[type] || "";
}
}
export const testPolyfills = {
ClipboardEvent,
DataTransfer,
DataTransferItem,
// https://github.com/vitest-dev/vitest/pull/4164#issuecomment-2172729965
URL,
};
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