Static utility class for file operations including Base64 conversion and export preparation.
[heading: "Description"]FileTools provides helper methods for converting files to Base64, extracting Base64 data from data URLs, preparing songs for export, and handling file names.
[heading: "Static Methods"] [table header] [ Method | Parameters | Returns | Description ] [ urlToDataURL | (url) | Promise<string> | Converts URL to data URL ] [ extractBase64 | (dataUrl) | string/null | Extracts Base64 string from data URL ] [ urlToBase64 | (url) | Promise<string> | Converts URL to Base64 string ] [ prepareSongForExport | (song, files) | Promise<object> | Prepares song data for export (removes sprite references) ] [ getFilename | (url) | string | Extracts filename from URL or path ] [ getFileData | (filename, files) | Promise<string/null> | Gets file data from files map as Base64 ] [/table] [heading: "Example Usage"] [codeblock javascript] // Convert image URL to Base64 const base64 = await FileTools.urlToBase64("assets/banner.png"); // Extract Base64 from data URL const dataUrl = "data:image/png;base64,iVBORw0KG..."; const base64Data = FileTools.extractBase64(dataUrl); // Get filename from URL const filename = FileTools.getFilename("assets/songs/MySong/song.sm"); // Returns: "song.sm" // Prepare song for export const exportData = await FileTools.prepareSongForExport(song, fileMap); // Get file data from files map const fileData = await FileTools.getFileData("song.sm", fileMap); [/codeblock] [heading: "Data URL Format"]FileTools expects data URLs in the format:
[codeblock] data:[