changed Virtual file system (VFS) format for better compatibility wit…

…h frameworks

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Unreleased
 
 - Added support PDF/A and PDF/UA
+- Changed Virtual file system (VFS) format for better compatibility with frameworks (backwards compatibility preserved). **For compatibility with frameworks, rebuild VFS required!**
 - Update pdfkit to 0.15.1
 - Fixed bug with how page breaks provoked by cells with rowspan were handled
 - Fixed find where previous cell started with row span and col span combination

build-vfs.js

@@ -1,7 +1,7 @@
 const fs = require('fs');
 
-const vfsBefore = "this.pdfMake = this.pdfMake || {}; this.pdfMake.vfs = ";
-const vfsAfter = ";";
+const vfsBefore = "var vfs = ";
+const vfsAfter = "; var _global = typeof window === 'object' ? window : typeof global === 'object' ? global : typeof self === 'object' ? self : this; if (typeof _global.pdfMake !== 'undefined' && typeof _global.pdfMake.addVirtualFileSystem !== 'undefined') { _global.pdfMake.addVirtualFileSystem(vfs); } if (typeof module !== 'undefined') { module.exports = vfs; }";
 const sourcePath = process.argv[2];
 const vfsFilename = process.argv[3] ? process.argv[3] : './build/vfs_fonts.js';
 

src/browser-extensions/pdfMake.js

@@ -15,6 +15,8 @@ var defaultClientFonts = {
 	}
 };
 
+var globalVfs;
+
 function Document(docDefinition, tableLayouts, fonts, vfs) {
 	this.docDefinition = docDefinition;
 	this.tableLayouts = tableLayouts || null;
@@ -323,7 +325,10 @@ module.exports = {
 			docDefinition,
 			tableLayouts || global.pdfMake.tableLayouts,
 			fonts || global.pdfMake.fonts,
-			vfs || global.pdfMake.vfs
+			vfs || globalVfs || global.pdfMake.vfs
 		);
+	},
+	addVirtualFileSystem: function (vfs) {
+		globalVfs = vfs;
 	}
 };