JavaScript source code statistics tool.

This Node.js script parses a source file and provides information about the following:

• Source size
• Function statistics:
  • total number of functions and empty functions
  • number of function declarations and expressions
  • number of empty function declarations and expressions

Running

node ./stats.js <file> [options]

file is the JS source file the tool is run upon (mandatory). options allow you to specify more settings:

Long	Short	Description
--plain	-p	Only output numbers, without description.

The plain option will output the following numbers, separated with a space:

source-size functions function-declarations function-expressions empty-functions empty-function-declarations empty-function-expressions