fabric_curtail          Add a background or an overlay image to a
                        preexisting canvas
fabric_drawing          Create a canvas element for drawing
fabric_image            Insert external images inside canvas element
fabric_image_add        Add an image to a preexisting canvas element
fabric_shape            Create shapes inside a canvas
fabric_shape_add        Add a shape object to a preexisting canvas
                        element
fabric_text             Insert text within canvas element
fabric_text_add         Add text within preexisting canvas element
filesaver_dependency    Create an HTML dependency for FileSaver.js
