guest271314/ESModuleImportExportFileProtocol.html

## ESModuleImportExportFileProtocol.html
<!DOCTYPE html>

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Tetris</title>

  <script>
    /*
      ES Module import export at file: protocol
      https://stackoverflow.com/questions/59440066/

      chromium-browser --allow-file-access-from-files
      https://askubuntu.com/questions/160245/

      firefox => about:config => privacy.file_unique_origin : false
      https://stackoverflow.com/questions/56999411/

      https://plnkr.co/edit/RaCIg9?p=info
    */
    const script = document.createElement("script");
    script.type = "module";
    document.currentScript.insertAdjacentElement("afterend", script);
    if (location.protocol === "file:") {
      (async _ => {
        const EXPORT_URL = "page1.js";
        const IMPORT_URL = "main.js";
        await new Promise(resolve => {
          const exportRequest = new XMLHttpRequest();
          exportRequest.open("GET", EXPORT_URL);
          exportRequest.responseType = "blob";
          exportRequest.onload = _ => {
            const reader = new FileReader();
            reader.addEventListener("load", async _ => {
              let getImport = await new Promise(importPromise => {
                const importRequest = new XMLHttpRequest();
                importRequest.overrideMimeType("text/javascript")
                importRequest.open("GET", IMPORT_URL);
                importRequest.onload = _ => importPromise(importRequest.response);
                importRequest.send();
              });
              const importExport = getImport.replace(/"[^"]+"(?=;|;\n)/, `"${reader.result.replace(/xml/, "javascript")}"`);
              script.onload = resolve;
              reader.addEventListener("load", _ => {
                script.src = reader.result;
              });
              reader.readAsDataURL(new Blob([importExport], {
                type: "text/javascript"
              }));
            }, {
              once: true
            });
            reader.readAsDataURL(exportRequest.response);
          }
          exportRequest.send();
        });
        window.onload.call();
      })();
    } else {
      script.src = "main.js";
    }
  </script>
</head>

<body></body>

</html>
	<!DOCTYPE html>

	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Tetris</title>

	<script>
	/*
	ES Module import export at file: protocol
	https://stackoverflow.com/questions/59440066/

	chromium-browser --allow-file-access-from-files
	https://askubuntu.com/questions/160245/

	firefox => about:config => privacy.file_unique_origin : false
	https://stackoverflow.com/questions/56999411/

	https://plnkr.co/edit/RaCIg9?p=info
	*/
	const script = document.createElement("script");
	script.type = "module";
	document.currentScript.insertAdjacentElement("afterend", script);
	if (location.protocol === "file:") {
	(async _ => {
	const EXPORT_URL = "page1.js";
	const IMPORT_URL = "main.js";
	await new Promise(resolve => {
	const exportRequest = new XMLHttpRequest();
	exportRequest.open("GET", EXPORT_URL);
	exportRequest.responseType = "blob";
	exportRequest.onload = _ => {
	const reader = new FileReader();
	reader.addEventListener("load", async _ => {
	let getImport = await new Promise(importPromise => {
	const importRequest = new XMLHttpRequest();
	importRequest.overrideMimeType("text/javascript")
	importRequest.open("GET", IMPORT_URL);
	importRequest.onload = _ => importPromise(importRequest.response);
	importRequest.send();
	});
	const importExport = getImport.replace(/"[^"]+"(?=;\|;\n)/, `"${reader.result.replace(/xml/, "javascript")}"`);
	script.onload = resolve;
	reader.addEventListener("load", _ => {
	script.src = reader.result;
	});
	reader.readAsDataURL(new Blob([importExport], {
	type: "text/javascript"
	}));
	}, {
	once: true
	});
	reader.readAsDataURL(exportRequest.response);
	}
	exportRequest.send();
	});
	window.onload.call();
	})();
	} else {
	script.src = "main.js";
	}
	</script>
	</head>

	<body></body>

	</html>