Revert "HACK: Patch ES6 module to be compatible with vitest"

This reverts commit c4017c3.

Author: kateinoigakukun

modules/patch.py

@@ -48,20 +48,3 @@ def apply_public_headers(target):
         l.bullet("Applied: public headers (p2)", l.GREEN)
     else:
         l.bullet("Skipped: public headers (p2)", l.PURPLE)
-
-
-# -----------------------------------------------------------------------------
-def apply_es6_bundler_fix(js_path):
-    l.colored("Applying: ES6 bundler fix...", l.YELLOW)
-    original_content = 'scriptDirectory=require("url").fileURLToPath(new URL("./",import.meta.url));'
-    has_content = f.file_has_content(js_path, original_content)
-
-    if not has_content:
-        l.e("Failed to apply: ES6 bundler fix", True)
-
-    f.replace_in_file(
-        js_path,
-        original_content,
-        'scriptDirectory = __dirname + "/";'
-    )
-    l.colored("Applied: ES6 bundler fix", l.GREEN)

modules/wasm.py

@@ -668,21 +668,15 @@ def run_task_generate():
 
             # Generate ES6 module, only .js will be generated (no .wasm)
             l.colored("Compiling ES6 module with emscripten...", l.YELLOW)
-            es6_js_path = os.path.join(gen_out_dir, "pdfium.esm.js")
             es6_command = [
                 *base_command,
                 "-s"
                 "EXPORT_ES6=1",
                 "-o",
-                es6_js_path,
+                os.path.join(gen_out_dir, "pdfium.esm.js"),
             ]
             r.run(" ".join(es6_command), cwd=gen_utils_dir, shell=True)
 
-            # XXX: patch es6 module to be compatible with vitest
-            # We should remove this once we upgrade Emscripten to a version including https://github.com/emscripten-core/emscripten/pull/22605
-            l.colored("Patching ES6 module...", l.YELLOW)
-            patch.apply_es6_bundler_fix(es6_js_path)
-
             # copy files
             l.colored("Copying compiled files...", l.YELLOW)