C-like JavaScript Preprocessor. It can combine multiple JavaScript files into one easily.

• Python (2.7 or 3.2 or 3.3 or 3.4)

base.js

a = 1;
//#include "other.js"
b = 2;

other.js

x = 1;
y = 2;

python jspp.py <base.js

a = 1;
x = 1;
y = 2;
b = 2;

base.js

a = 1;
//#ifdef ABC
b = 2;
//#endif
c = 3;

python jspp.py <base.js

a = 1;
c = 3;

python jspp.py <base.js -d ABC

a = 1;
b = 2;
c = 3;

• -s, --semicolon

Add semicolon after include-file.

• -d <symbol>, --define <symbol>

Define symbol for //#ifdef or //#ifndef.

• -i <input-filename>, --input <input-filename>

Specify input filename. If omitted, stdin will be used.

• -o <output-filename>, --output <output-filename>

Specify output filename. If omitted, stdout will be used.