/// <summary>
/// Converts a uglification options to JSON
/// </summary>
/// <param name="options">Uglification options</param>
/// <returns>Uglification options in JSON format</returns>
private static JObject ConvertUglificationOptionsToJson(UglificationOptions options)
{
ParsingOptions parsingOptions = options.ParsingOptions;
CompressionOptions compressionOptions = options.CompressionOptions;
ManglingOptions manglingOptions = options.ManglingOptions;
CodeGenerationOptions codeGenerationOptions = options.CodeGenerationOptions;
var optionsJson = new JObject(
new JProperty("warnings", options.Severity > 0
));
optionsJson.Add("parse", new JObject(
new JProperty("bare_returns", parsingOptions.BareReturns),
new JProperty("shebang", false),
new JProperty("strict", parsingOptions.Strict)
));
if (compressionOptions.Compress)
{
optionsJson.Add("compress", new JObject(
new JProperty("angular", compressionOptions.Angular),
new JProperty("booleans", compressionOptions.Booleans),
new JProperty("cascade", compressionOptions.Cascade),
new JProperty("collapse_vars", compressionOptions.CollapseVars),
new JProperty("comparisons", compressionOptions.Comparisons),
new JProperty("conditionals", compressionOptions.Conditionals),
new JProperty("dead_code", compressionOptions.DeadCode),
new JProperty("drop_console", compressionOptions.DropConsole),
new JProperty("drop_debugger", compressionOptions.DropDebugger),
new JProperty("evaluate", compressionOptions.Evaluate),
new JProperty("global_defs",
ParseGlobalDefinitions(compressionOptions.GlobalDefinitions)),
new JProperty("hoist_funs", compressionOptions.HoistFunctions),
new JProperty("hoist_vars", compressionOptions.HoistVars),
new JProperty("if_return", compressionOptions.IfReturn),
new JProperty("join_vars", compressionOptions.JoinVars),
new JProperty("keep_fargs", compressionOptions.KeepFunctionArgs),
new JProperty("keep_fnames", options.KeepFunctionNames),
new JProperty("keep_infinity", compressionOptions.KeepInfinity),
new JProperty("loops", compressionOptions.Loops),
new JProperty("negate_iife", compressionOptions.NegateIife),
new JProperty("passes", compressionOptions.Passes),
new JProperty("properties", compressionOptions.PropertiesDotNotation),
new JProperty("pure_getters", compressionOptions.PureGetters),
new JProperty("pure_funcs",
ConvertCommaSeparatedListToJson(compressionOptions.PureFunctions)),
new JProperty("reduce_vars", compressionOptions.ReduceVars),
new JProperty("screw_ie8", options.ScrewIe8),
new JProperty("sequences", compressionOptions.Sequences),
new JProperty("toplevel", compressionOptions.TopLevel),
new JProperty("top_retain",
ConvertCommaSeparatedListToJson(compressionOptions.TopRetain, new JArray())),
new JProperty("unsafe", compressionOptions.Unsafe),
new JProperty("unsafe_math", compressionOptions.UnsafeMath),
new JProperty("unsafe_proto", compressionOptions.UnsafeProto),
new JProperty("unsafe_regexp", compressionOptions.UnsafeRegExp),
new JProperty("unused", compressionOptions.Unused)
));
}
else
{
optionsJson.Add("compress", false);
}
if (manglingOptions.Mangle)
{
optionsJson.Add("mangle", new JObject(
new JProperty("eval", manglingOptions.Eval),
new JProperty("except",
ConvertCommaSeparatedListToJson(manglingOptions.Except, new JArray())),
new JProperty("keep_fnames", options.KeepFunctionNames),
new JProperty("screw_ie8", options.ScrewIe8),
new JProperty("toplevel", manglingOptions.TopLevel)
));
}
else
{
optionsJson.Add("mangle", false);
}
optionsJson.Add("output", new JObject(
new JProperty("ascii_only", codeGenerationOptions.AsciiOnly),
new JProperty("beautify", codeGenerationOptions.Beautify),
new JProperty("bracketize", codeGenerationOptions.Bracketize),
new JProperty("comments", codeGenerationOptions.Comments),
new JProperty("indent_level", codeGenerationOptions.IndentLevel),
new JProperty("indent_start", codeGenerationOptions.IndentStart),
new JProperty("inline_script", codeGenerationOptions.InlineScript),
new JProperty("keep_quoted_props", codeGenerationOptions.KeepQuotedProperties),
new JProperty("max_line_len", codeGenerationOptions.MaxLineLength),
new JProperty("preserve_line", codeGenerationOptions.PreserveLine),
new JProperty("quote_keys", codeGenerationOptions.QuoteKeys),
new JProperty("quote_style", codeGenerationOptions.QuoteStyle),
new JProperty("screw_ie8", options.ScrewIe8),
new JProperty("semicolons", codeGenerationOptions.Semicolons),
new JProperty("shebang", false),
new JProperty("space_colon", codeGenerationOptions.SpaceColon),
new JProperty("unescape_regexps", codeGenerationOptions.UnescapeRegexps),
new JProperty("width", codeGenerationOptions.Width),
new JProperty("wrap_iife", codeGenerationOptions.WrapIife)
));
return(optionsJson);
}
/// <summary>
/// Constructs a instance of JS uglifier
/// </summary>
/// <param name="createJsEngineInstance">Delegate that creates an instance of JS engine</param>
/// <param name="options">Uglification options</param>
public JsUglifier(Func <IJsEngine> createJsEngineInstance, UglificationOptions options)
{
_jsEngine = createJsEngineInstance();
_options = options ?? new UglificationOptions();
_optionsString = ConvertUglificationOptionsToJson(_options).ToString();
}