add alternative to window.webkitRequestFileSystem

.eslintrc.json

@@ -200,6 +200,7 @@
 		"escodegen": true,
 		"utils": true,
 		"Promise": true,
-		"Inlet": true
+		"Inlet": true,
+		"db": true
 	}
 }

src/script.js

@@ -994,7 +994,9 @@ globalConsoleContainerEl, externalLibrarySearchInput, keyboardShortcutsModal
 		if (!isForExport) {
 			contents +=
 				'<script src="' +
-				chrome.extension.getURL('lib/screenlog.js') +
+				(chrome.extension
+					? chrome.extension.getURL('lib/screenlog.js')
+					: `${location.origin}/lib/screenlog.js`) +
 				'"></script>';
 		}
 
@@ -1073,7 +1075,8 @@ globalConsoleContainerEl, externalLibrarySearchInput, keyboardShortcutsModal
 	}
 
 	function createPreviewFile(html, css, js) {
-		var contents = getCompleteHtml(html, css);
+		const shouldInlineJs = !window.webkitRequestFileSystem;
+		var contents = getCompleteHtml(html, css, shouldInlineJs ? js : '');
 		var blob = new Blob([contents], { type: 'text/plain;charset=UTF-8' });
 		var blobjs = new Blob([js], { type: 'text/plain;charset=UTF-8' });
 
@@ -1083,6 +1086,14 @@ globalConsoleContainerEl, externalLibrarySearchInput, keyboardShortcutsModal
 			trackEvent.hasTrackedCode = true;
 		}
 
+		if (shouldInlineJs) {
+			frame.src = frame.src;
+			setTimeout(() => {
+				frame.contentDocument.open();
+				frame.contentDocument.write(contents);
+				frame.contentDocument.close();
+			}, 10);
+		} else {
 			// we need to store user script in external JS file to prevent inline-script
 			// CSP from affecting it.
 			writeFile('script.js', blobjs, function() {
@@ -1099,6 +1110,7 @@ globalConsoleContainerEl, externalLibrarySearchInput, keyboardShortcutsModal
 				});
 			});
 		}
+	}
 
 	scope.setPreviewContent = function(isForced) {
 		if (!prefs.preserveConsoleLogs) {