Class | Uglifier |
In: |
lib/uglifier/version.rb
lib/uglifier.rb |
Parent: | Object |
A wrapper around the UglifyJS interface
VERSION | = | "2.7.2" | Current version of Uglifier. | |
Error | = | ExecJS::Error | Error class for compilation errors. | |
JS | = | <<-JS (function(options) { function comments(option) { if (Object.prototype.toString.call(option) === '[object Array]') { return new RegExp(option[0], option[1]); } else if (option == "jsdoc") { return function(node, comment) { if (comment.type == "comment2") { return /@preserve|@license|@cc_on/i.test(comment.value); } else { return false; } } } else { return option; } } var source = options.source; var ast = UglifyJS.parse(source, options.parse_options); ast.figure_out_scope(); if (options.compress) { var compressor = UglifyJS.Compressor(options.compress); ast = ast.transform(compressor); ast.figure_out_scope(); } if (options.mangle) { ast.compute_char_frequency(); ast.mangle_names(options.mangle); } if (options.enclose) { ast = ast.wrap_enclose(options.enclose); } var gen_code_options = options.output; gen_code_options.comments = comments(options.output.comments); if (options.generate_map) { var source_map = UglifyJS.SourceMap(options.source_map_options); gen_code_options.source_map = source_map; } var stream = UglifyJS.OutputStream(gen_code_options); ast.print(stream); if (options.source_map_options.map_url) { stream += "\\n//# sourceMappingURL=" + options.source_map_options.map_url; } if (options.source_map_options.url) { stream += "\\n//# sourceURL=" + options.source_map_options.url; } if (options.generate_map) { return [stream.toString(), source_map.toString()]; } else { return stream.toString(); } }) JS | JavaScript code to call UglifyJS | |
SourcePath | = | File.expand_path("../uglify.js", __FILE__) | UglifyJS source path | |
ES5FallbackPath | = | File.expand_path("../es5.js", __FILE__) | ES5 shims source path | |
SplitFallbackPath | = | File.expand_path("../split.js", __FILE__) | String.split shim source path | |
DEFAULTS | = | { # rubocop:disable LineLength :output => { :ascii_only => true, # Escape non-ASCII characterss :comments => :copyright, # Preserve comments (:all, :jsdoc, :copyright, :none) :inline_script => false, # Escape occurrences of </script in strings :quote_keys => false, # Quote keys in object literals :max_line_len => 32 * 1024, # Maximum line length in minified code :bracketize => false, # Bracketize if, for, do, while or with statements, even if their body is a single statement :semicolons => true, # Separate statements with semicolons :preserve_line => false, # Preserve line numbers in outputs :beautify => false, # Beautify output :indent_level => 4, # Indent level in spaces :indent_start => 0, # Starting indent level :space_colon => false, # Insert space before colons (only with beautifier) :width => 80, # Specify line width when beautifier is used (only with beautifier) :preamble => nil | Default options for compilation |
Minifies JavaScript code using implicit context.
@param source [IO, String] valid JS source code. @param options [Hash] optional overrides to +Uglifier::DEFAULTS+ @return [String] minified code.
Minifies JavaScript code and generates a source map using implicit context.
@param source [IO, String] valid JS source code. @param options [Hash] optional overrides to +Uglifier::DEFAULTS+ @return [Array(String, String)] minified code and source map.
Minifies JavaScript code
@param source [IO, String] valid JS source code. @return [String] minified code.