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import { describe, expect, it } from "vitest";
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import { TextSelection, NodeSelection } from "@tiptap/pm/state";
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import { schema } from "prosemirror-schema-basic";
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import { getMovedTextblockCursorPos } from "@/client/components/editor/lib/moved-textblock-selection";
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describe("post-drop selection", () => {
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  it("returns a caret position inside dropped textblocks", () => {
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    const doc = schema.node("doc", null, [schema.node("paragraph", null, [schema.text("hello")])]);
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    const selection = NodeSelection.create(doc, 0);
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    expect(getMovedTextblockCursorPos(selection)).toBe(selection.to - 1);
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  });
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  it("returns the only valid cursor position for empty paragraphs", () => {
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    const doc = schema.node("doc", null, [schema.node("paragraph")]);
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    const selection = NodeSelection.create(doc, 0);
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    expect(getMovedTextblockCursorPos(selection)).toBe(selection.from + 1);
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  });
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  it("ignores non-textblock node selections", () => {
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    const doc = schema.node("doc", null, [
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      schema.node("blockquote", null, [schema.node("paragraph", null, [schema.text("hello")])]),
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    ]);
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    const selection = NodeSelection.create(doc, 0);
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    expect(getMovedTextblockCursorPos(selection)).toBeNull();
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  });
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  it("ignores non-node selections", () => {
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    const doc = schema.node("doc", null, [schema.node("paragraph", null, [schema.text("hello")])]);
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    const selection = TextSelection.create(doc, 1);
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    expect(getMovedTextblockCursorPos(selection)).toBeNull();
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  });
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});