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import { readdirSync, readFileSync, statSync } from "node:fs";
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import { fileURLToPath, URL } from "node:url";
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import { describe, expect, it } from "vitest";
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import { getSchema } from "@tiptap/core";
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import { countCharacters, countWords, createHeadlessEditorExtensions } from "@/shared/editor/schema";
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const SHARED_EDITOR_SCHEMA_DIR = fileURLToPath(new URL("../../src/shared/editor/schema/", import.meta.url));
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function listSourceFiles(dir: string): string[] {
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  const files: string[] = [];
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  for (const entry of readdirSync(dir)) {
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    const path = `${dir}${entry}`;
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    const stat = statSync(path);
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    if (stat.isDirectory()) {
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      files.push(...listSourceFiles(`${path}/`));
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      continue;
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    }
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    if (entry.endsWith(".ts") || entry.endsWith(".tsx")) {
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      files.push(path);
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    }
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  }
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  return files;
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}
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describe("headless shared editor schema", () => {
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  it("imports in the Node shared test runtime without a browser global", () => {
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    expect((globalThis as { document?: unknown }).document).toBeUndefined();
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    const schema = getSchema(createHeadlessEditorExtensions());
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    expect(schema.nodes.callout).toBeDefined();
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    expect(schema.nodes.codeBlock).toBeDefined();
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    expect(schema.nodes.image).toBeDefined();
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    expect(schema.nodes.pageMention).toBeDefined();
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    expect(schema.nodes.details).toBeDefined();
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    expect(schema.nodes.table).toBeDefined();
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  });
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  it("keeps the shared schema entrypoint free of client and React imports", () => {
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    const forbidden = [
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      /@\/client/,
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      /@tiptap\/react/,
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      /from\s+["']react["']/,
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      /\.css["']/,
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      /\bwindow\./,
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      /\bdocument\./,
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      /\bHTMLElement\b/,
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      /\bNodeView\b/,
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    ];
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    for (const file of listSourceFiles(SHARED_EDITOR_SCHEMA_DIR)) {
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      const source = readFileSync(file, "utf8");
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      for (const pattern of forbidden) {
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        expect(source, `${file} should not match ${pattern}`).not.toMatch(pattern);
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      }
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    }
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  });
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  it("exports the document metric helpers used by the editor", () => {
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    expect(countWords(" one  two\nthree ")).toBe(3);
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    expect(countCharacters("a😀")).toBe(2);
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  });
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});