def _bundle_v2(tmp_out_dir, in_path, out_path, manifest_out_path, args,
excludes):
in_html_args = []
for f in args.html_in_files:
in_html_args.append(f)
exclude_args = []
for f in excludes:
exclude_args.append('--exclude')
exclude_args.append(f);
node.RunNode(
[node_modules.PathToBundler()] +
_VULCANIZE_BASE_ARGS + _VULCANIZE_REDIRECT_ARGS + exclude_args +
[
'--manifest-out', manifest_out_path,
'--root', in_path,
'--redirect', 'chrome://%s/|%s' % (args.host, in_path + '/'),
'--out-dir', os.path.relpath(tmp_out_dir, _CWD).replace('\\', '/'),
'--shell', args.html_in_files[0],
] + in_html_args)
for index, html_file in enumerate(args.html_in_files):
with open(os.path.join(
os.path.relpath(tmp_out_dir, _CWD), html_file), 'r') as f:
output = f.read()
# Grit includes are not supported, use HTML imports instead.
output = output.replace('<include src="', '<include src-disabled="')
if args.insert_in_head:
assert '<head>' in output
# NOTE(dbeam): polymer-bundler eats <base> tags after processing.
# This undoes that by adding a <base> tag to the (post-processed)
# generated output.
output = output.replace('<head>', '<head>' + args.insert_in_head)
# Open file again with 'w' such that the previous contents are
# overwritten.
with open(os.path.join(
os.path.relpath(tmp_out_dir, _CWD), html_file), 'w') as f:
f.write(output)
f.close()
bundled_paths = []
for index, html_in_file in enumerate(args.html_in_files):
bundled_paths.append(
os.path.join(tmp_out_dir, args.html_out_files[index]))
js_out_file = args.js_out_files[index]
# Run crisper to separate the JS from the HTML file.
node.RunNode([node_modules.PathToCrisper(),
'--source', os.path.join(tmp_out_dir, html_in_file),
'--script-in-head', 'false',
'--html', bundled_paths[index],
'--js', os.path.join(tmp_out_dir, js_out_file)])
return bundled_paths
def main():
polymer_dir = os.path.join(_HERE_PATH, 'components-chromium', 'polymer2')
# Final HTML bundle.
polymer_html = os.path.join(polymer_dir, 'polymer.html')
# Final JS bundle.
polymer_js = os.path.join(polymer_dir, 'polymer-extracted.js')
# Move the entire checkout to a temp location.
tmp_dir = os.path.join(_HERE_PATH, 'components-chromium', 'polymer2temp')
if os.path.exists(tmp_dir):
shutil.rmtree(tmp_dir)
shutil.move(polymer_dir, tmp_dir)
tmp_out_dir = os.path.join(tmp_dir, 'out')
os.makedirs(tmp_out_dir)
try:
# Combine everything to a single HTML bundle file.
node.RunNode([
node_modules.PathToBundler(),
'--strip-comments',
'--inline-scripts',
'--inline-css',
'--out-file',
os.path.join(tmp_out_dir, 'polymer.html'),
os.path.join(tmp_dir, 'polymer.html'),
])
# Extract the JS to a separate file named polymer-extracted.js.
extract_inline_scripts.ExtractFrom(
os.path.join(tmp_out_dir, 'polymer.html'))
# Minify the JS bundle.
extracted_js = os.path.join(tmp_out_dir, 'polymer-extracted.js')
node.RunNode([
node_modules.PathToTerser(), extracted_js, '--comments',
'/Copyright|license|LICENSE/', '--output', extracted_js
])
# Copy generated bundled JS/HTML files back to the original location.
os.makedirs(polymer_dir)
shutil.move(os.path.join(tmp_out_dir, 'polymer.html'), polymer_html)
shutil.move(extracted_js, polymer_js)
# Copy a few more files.
shutil.move(os.path.join(tmp_dir, 'bower.json'), polymer_dir)
shutil.move(os.path.join(tmp_dir, 'LICENSE.txt'), polymer_dir)
finally:
# Delete component-chromium/shadycss since it ends up in the bundle.
shutil.rmtree(
os.path.join(_HERE_PATH, 'components-chromium', 'shadycss'))
shutil.rmtree(tmp_dir)
def _vulcanize(in_folder, args):
in_path = os.path.normpath(os.path.join(_CWD, in_folder))
out_path = os.path.join(_CWD, args.out_folder)
manifest_out_path = _request_list_path(out_path, args.host)
exclude_args = []
for f in args.exclude or []:
exclude_args.append('--exclude')
exclude_args.append(f)
in_html_args = []
for f in args.html_in_files:
in_html_args.append('--in-html')
in_html_args.append(f)
tmp_out_dir = os.path.join(out_path, 'bundled')
node.RunNode(
[node_modules.PathToBundler()] + _VULCANIZE_BASE_ARGS +
_VULCANIZE_REDIRECT_ARGS + exclude_args +
[ # This file is dynamically created by C++. Need to specify an exclusion
# URL for both the relative URL and chrome:// URL syntax.
'--exclude',
'strings.js',
'--exclude',
'chrome://%s/strings.js' % args.host,
'--manifest-out',
manifest_out_path,
'--root',
in_path,
'--redirect',
'"chrome://%s/|%s"' % (args.host, in_path),
'--out-dir',
os.path.relpath(tmp_out_dir, _CWD),
'--shell',
args.html_in_files[0],
] + in_html_args)
for index, html_file in enumerate(args.html_in_files):
with open(os.path.join(os.path.relpath(tmp_out_dir, _CWD), html_file),
'r') as f:
output = f.read()
# Grit includes are not supported, use HTML imports instead.
output = output.replace('<include src="',
'<include src-disabled="')
if args.insert_in_head:
assert '<head>' in output
# NOTE(dbeam): polymer-bundler eats <base> tags after processing. This
# undoes that by adding a <base> tag to the (post-processed) generated
# output.
output = output.replace('<head>',
'<head>' + args.insert_in_head)
# Open file again with 'w' such that the previous contents are overwritten.
with open(os.path.join(os.path.relpath(tmp_out_dir, _CWD), html_file),
'w') as f:
f.write(output)
f.close()
try:
for index, html_in_file in enumerate(args.html_in_files):
html_out_file = args.html_out_files[index]
js_out_file = args.js_out_files[index]
# Run crisper to separate the JS from the HTML file.
node.RunNode([
node_modules.PathToCrisper(), '--source',
os.path.join(tmp_out_dir, html_in_file), '--script-in-head',
'false', '--html',
os.path.join(tmp_out_dir, html_out_file), '--js',
os.path.join(tmp_out_dir, js_out_file)
])
# Move the HTML file to its final destination.
shutil.copy(os.path.join(tmp_out_dir, html_out_file), out_path)
# Pass the JS file through Uglify and write the output to its final
# destination.
node.RunNode([
node_modules.PathToUglify(),
os.path.join(tmp_out_dir, js_out_file), '--comments',
'"/Copyright|license|LICENSE|\<\/?if/"', '--output',
os.path.join(out_path, js_out_file)
])
finally:
shutil.rmtree(tmp_out_dir)
return manifest_out_path
def _optimize(in_folder, args):
in_path = os.path.normpath(os.path.join(_CWD, in_folder)).replace('\\', '/')
out_path = os.path.join(_CWD, args.out_folder).replace('\\', '/')
manifest_out_path = _request_list_path(out_path, args.host)
exclude_args = []
for f in args.exclude or []:
exclude_args.append('--exclude')
exclude_args.append(f)
in_html_args = []
for f in args.html_in_files:
in_html_args.append(f)
tmp_out_dir = os.path.join(out_path, 'bundled').replace('\\', '/')
node.RunNode(
[node_modules.PathToBundler()] +
_VULCANIZE_BASE_ARGS + _VULCANIZE_REDIRECT_ARGS + exclude_args +
[# This file is dynamically created by C++. Need to specify an exclusion
# URL for both the relative URL and chrome:// URL syntax.
'--exclude', 'strings.js',
'--exclude', 'chrome://%s/strings.js' % args.host,
'--manifest-out', manifest_out_path,
'--root', in_path,
'--redirect', '"chrome://%s/|%s"' % (args.host, in_path + '/'),
'--out-dir', os.path.relpath(tmp_out_dir, _CWD).replace('\\', '/'),
'--shell', args.html_in_files[0],
] + in_html_args)
for index, html_file in enumerate(args.html_in_files):
with open(
os.path.join(os.path.relpath(tmp_out_dir, _CWD), html_file), 'r') as f:
output = f.read()
# Grit includes are not supported, use HTML imports instead.
output = output.replace('<include src="', '<include src-disabled="')
if args.insert_in_head:
assert '<head>' in output
# NOTE(dbeam): polymer-bundler eats <base> tags after processing. This
# undoes that by adding a <base> tag to the (post-processed) generated
# output.
output = output.replace('<head>', '<head>' + args.insert_in_head)
# Open file again with 'w' such that the previous contents are overwritten.
with open(
os.path.join(os.path.relpath(tmp_out_dir, _CWD), html_file), 'w') as f:
f.write(output)
f.close()
try:
crisper_html_out_paths = []
for index, html_in_file in enumerate(args.html_in_files):
crisper_html_out_paths.append(
os.path.join(tmp_out_dir, args.html_out_files[index]))
js_out_file = args.js_out_files[index]
# Run crisper to separate the JS from the HTML file.
node.RunNode([node_modules.PathToCrisper(),
'--source', os.path.join(tmp_out_dir, html_in_file),
'--script-in-head', 'false',
'--html', crisper_html_out_paths[index],
'--js', os.path.join(tmp_out_dir, js_out_file)])
if args.replace_for_html_imports_polyfill == js_out_file:
# Replace the output file with a loader script, to wait until HTML
# imports are ready before loading.
with open(crisper_html_out_paths[index], 'r') as f:
output = f.read()
output = output.replace(js_out_file + '"',
'chrome://resources/js/crisper_loader.js"' + \
' data-script-name="' + js_out_file + '"')
# Preload the final script, even though it will not be evaluated
# until after crisper_loader.js executes.
output = output.replace('<head>',
'<head><link rel="preload" href="' + \
js_out_file + '" as="script">')
f.close()
# Open file again with 'w' such that the previous contents are
# overwritten.
with open(crisper_html_out_paths[index], 'w') as f:
f.write(output)
f.close()
# Pass the JS file through Uglify and write the output to its final
# destination.
node.RunNode([node_modules.PathToUglify(),
os.path.join(tmp_out_dir, js_out_file),
'--comments', '"/Copyright|license|LICENSE|\<\/?if/"',
'--output', os.path.join(out_path, js_out_file)])
# Run polymer-css-build and write the output HTML files to their final
# destination.
html_out_paths = [
os.path.join(out_path, f) for f in args.html_out_files]
node.RunNode([node_modules.PathToPolymerCssBuild()] +
['--polymer-version', '2'] +
['--no-inline-includes', '-f'] +
crisper_html_out_paths + ['-o'] + html_out_paths)
finally:
shutil.rmtree(tmp_out_dir)
return manifest_out_path
