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import { describe, expect, it } from "vitest";
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import { Editor, getTextBetween, getTextSerializersFromSchema } from "@tiptap/core";
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import { StarterKit } from "@tiptap/starter-kit";
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import { EDITOR_CORE_EXTENSION_OPTIONS } from "@/client/components/editor/lib/clipboard";
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function serializePlainText(content: Record<string, unknown>) {
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  const editor = new Editor({
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    extensions: [StarterKit],
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    content,
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    coreExtensionOptions: EDITOR_CORE_EXTENSION_OPTIONS,
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  });
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  try {
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    return getTextBetween(
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      editor.state.doc,
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      { from: 0, to: editor.state.doc.content.size },
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      {
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        blockSeparator: EDITOR_CORE_EXTENSION_OPTIONS.clipboardTextSerializer.blockSeparator,
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        textSerializers: getTextSerializersFromSchema(editor.schema),
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      },
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    );
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  } finally {
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    editor.destroy();
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  }
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}
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describe("plain-text clipboard serialization", () => {
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  it("uses single newlines between paragraphs", () => {
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    expect(
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      serializePlainText({
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        type: "doc",
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        content: [
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          { type: "paragraph", content: [{ type: "text", text: "one" }] },
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          { type: "paragraph", content: [{ type: "text", text: "two" }] },
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        ],
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      }),
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    ).toBe("one\ntwo");
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  });
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  it("preserves hard breaks as single newlines", () => {
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    expect(
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      serializePlainText({
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        type: "doc",
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        content: [
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          {
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            type: "paragraph",
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            content: [{ type: "text", text: "one" }, { type: "hardBreak" }, { type: "text", text: "two" }],
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          },
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          { type: "paragraph", content: [{ type: "text", text: "three" }] },
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        ],
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      }),
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    ).toBe("one\ntwo\nthree");
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  });
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});