#!/usr/bin/env python3

# Copyright (c) Facebook, Inc. and its affiliates.

#

# This source code is licensed under the MIT license found in the

# LICENSE file in the root directory of this source tree.

import sys

""" Reads a file from stdin, and outputs to stdout JavaScript source that

constructs a variable containing that file, whose name is given in argv[1].

For example, if the input is:

print("hello world");

Then `stringize.py MYVAR` will be

var MYVAR = 'print("hello world");'

"""

if len(sys.argv) != 2:

print("Usage: stringize.py <VARNAME>")

sys.exit(-1)

name = sys.argv[1]

lines = sys.stdin.readlines()

for idx, val in enumerate(lines):

line = val.strip("\r\n")

line = line.replace("\\", "\\\\").replace("'", "\\'")

maybe_newline = "\\n" if idx + 1 < len(lines) else ""

if idx == 0:

print("var %s = '%s%s';" % (name, line, maybe_newline))

else:

print("%s += '%s%s';" % (name, line, maybe_newline))