https://www.youtube.com/watch?v=XbeqLtjuFkQ

One click to create a variety of Trim Path effect
Trim Pack can apply Trim Path to selected Layers quickly and easily. Also add keyframes for basic animation. Besides basic Trim Path transitions, there are many variations can be used in different cases. See the Features page for more information.
Place the script file (trim-pack_V2.1.jsxbin) to following loaction
WIN C:\Program Files\Adobe\Adobe After Effects <AE version>\Support Files\Scripts\ScriptUI Panels
MAC Applications\Adobe After Effects <AE version>\Support Files\Scripts\ScriptUI Panels
