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WRNexusJS/packages/email-renderer/test/rich-text.test.ts
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TypeScript

import { expect, test } from "bun:test";
import { renderRichText, richTextSchema } from "../src/rich-text.ts";
test("semantic text is escaped, bounded, and rejects arbitrary markup properties", () => {
expect(renderRichText({text:"<hello>\nworld",richText:[{text:"<hello>",bold:true},{text:"\nworld",italic:true,underline:true}]})).toBe("<strong>&lt;hello&gt;</strong><em><u><br />world</u></em>");
expect(richTextSchema.parse([{text:"hello",html:"<script>"}]).ok).toBe(false);
expect(richTextSchema.parse([{text:"hello",bold:"yes"}]).ok).toBe(false);
expect(richTextSchema.parse([{text:"a".repeat(200001)}]).ok).toBe(false);
expect(renderRichText({text:"Changed",richText:[{text:"Old",bold:true}]})).toBe("Changed");
});