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test(standalone): happy-dom issue with Markdown import

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Elian Doran
2026-04-09 18:48:10 +03:00
parent c83531a3f1
commit f3f1ce5052
1 changed files with 26 additions and 0 deletions
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26
apps/client-standalone/src/test_setup.ts
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@@ -4,6 +4,7 @@ import { fileURLToPath } from "node:url";
import { initializeCore } from "@triliumnext/core";
import schemaSql from "@triliumnext/core/src/assets/schema.sql?raw";
import HappyDomHtmlParser from "happy-dom/lib/html-parser/HTMLParser.js";
import serverEnTranslations from "../../server/src/assets/translations/en/server.json";
import { beforeAll } from "vitest";
@@ -62,6 +63,31 @@ WebAssembly.instantiateStreaming = (async (source, importObject) => {
return WebAssembly.instantiate(bytes, importObject);
}) as typeof WebAssembly.instantiateStreaming;
// =============================================================================
// happy-dom HTMLParser spec compliance patch
// =============================================================================
// Per HTML5 parsing spec, a single U+000A LINE FEED immediately after a <pre>,
// <listing>, or <textarea> start tag must be ignored ("newlines at the start
// of pre blocks are ignored as an authoring convenience"). Real browsers and
// domino (which the server runtime uses via turnish) both implement this;
// happy-dom (as of 20.8.9) does not — it keeps the LF as a text node.
//
// That difference makes turnish's markdown export produce different output
// under happy-dom vs. production, breaking markdown.spec.ts > "exports jQuery
// code in table properly". Patch HTMLParser.parse to pre-process the string.
const LEADING_LF_IN_PRE_RE = /(<(?:pre|listing|textarea)\b[^>]*>)(\r\n|\r|\n)/gi;
const originalHtmlParserParse = (HappyDomHtmlParser as unknown as {
prototype: { parse(html: string, rootNode?: unknown): unknown };
}).prototype.parse;
(HappyDomHtmlParser as unknown as {
prototype: { parse(html: string, rootNode?: unknown): unknown };
}).prototype.parse = function (html: string, rootNode?: unknown) {
const patched = typeof html === "string"
? html.replace(LEADING_LF_IN_PRE_RE, "$1")
: html;
return originalHtmlParserParse.call(this, patched, rootNode);
};
// =============================================================================
// Core initialization for standalone-flavored tests
// =============================================================================