97 lines
4.2 KiB
Python
Executable File
97 lines
4.2 KiB
Python
Executable File
#!/usr/bin/python
|
|
# Copyright (C) 2013, 2015, 2016 Apple Inc. All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
|
|
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
|
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
|
|
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
|
# THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
import os
|
|
import re
|
|
import subprocess
|
|
import sys
|
|
import xml.dom.minidom
|
|
|
|
|
|
def main(argv):
|
|
tools_dir = os.path.dirname(__file__)
|
|
public_v3_dir = os.path.abspath(os.path.join(tools_dir, '..', 'public', 'v3'))
|
|
|
|
bundled_script = ''
|
|
|
|
index_html = xml.dom.minidom.parse(os.path.join(public_v3_dir, 'index.html'))
|
|
for template in index_html.getElementsByTagName('template'):
|
|
if template.getAttribute('id') != 'unbundled-scripts':
|
|
continue
|
|
unbundled_scripts = template.getElementsByTagName('script')
|
|
for script in unbundled_scripts:
|
|
src = script.getAttribute('src')
|
|
|
|
with open(os.path.join(public_v3_dir, src)) as script_file:
|
|
script_content = script_file.read()
|
|
script_content = re.sub(r'([\"\'])use strict\1;', '', script_content)
|
|
script_content = re.sub(r'(?P<prefix>\n\s*static\s+(?P<type>\w+)Template\(\)\s*{[^`]*`)(?P<content>[^`]*)(?P<suffix>`;?\s*})',
|
|
compress_template, script_content, re.MULTILINE)
|
|
|
|
bundled_script += script_content
|
|
|
|
jsmin = subprocess.Popen(['python', os.path.join(tools_dir, 'jsmin.py')], stdin=subprocess.PIPE, stdout=subprocess.PIPE)
|
|
minified_script = jsmin.communicate(input=bundled_script)[0]
|
|
|
|
new_size = float(len(minified_script))
|
|
old_size = float(len(bundled_script))
|
|
print '%d -> %d (%.1f%%)' % (old_size, new_size, new_size / old_size * 100)
|
|
|
|
with open(os.path.join(public_v3_dir, 'bundled-scripts.js'), 'w') as bundled_file:
|
|
bundled_file.write(minified_script)
|
|
|
|
|
|
def compress_template(match):
|
|
prefix = match.group('prefix')
|
|
content = match.group('content')
|
|
suffix = match.group('suffix')
|
|
|
|
if match.group('type') == 'css':
|
|
content = cssminify(content)
|
|
else:
|
|
content = re.sub(r'\s+', ' ', content)
|
|
|
|
return prefix + content + suffix
|
|
|
|
|
|
def cssminify(css):
|
|
rules = (
|
|
(r"\/\*.*?\*\/", ""), # delete comments
|
|
(r"\n", ""), # delete new lines
|
|
(r"\s+", " "), # change multiple spaces to one space
|
|
(r"\s?([;{},~>!])\s?", r"\1"), # delete space where it is not needed
|
|
(r":\s", ":"), # delete spaces after colons, but not before. E.g. do not break selectors "a :focus", "b :matches(...)", "c :not(...)" where the leading space is significant
|
|
(r"\s?([-+])(?:\s(?![0-9(])(?!var))", r"\1"), # delete whitespace around + and - when not followed by a number, paren, or var(). E.g. strip for selector "a + b" but not "calc(a + b)" which requires spaces.
|
|
(r";}", "}") # change ';}' to '}' because the semicolon is not needed
|
|
)
|
|
|
|
css = css.replace("\r\n", "\n")
|
|
for rule in rules:
|
|
css = re.compile(rule[0], re.MULTILINE | re.UNICODE | re.DOTALL).sub(rule[1], css)
|
|
return css
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main(sys.argv)
|