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