public static (string outAst, string outMinJs, string outNiceJs) CompressTestCore(CompressTestData testData, ICompressOptions options)
{
string outAst;
var outNiceJs = string.Empty;
var outMinJs = string.Empty;
try
{
var parser = new Parser(new Options(), testData.InputContent);
var toplevel = parser.Parse();
toplevel.FigureOutScope();
toplevel = toplevel.Compress(options);
var strSink = new StringLineSink();
var dumper = new DumpAst(new AstDumpWriter(strSink));
dumper.Walk(toplevel);
outAst = strSink.ToString();
var outMinJsBuilder = new SourceMapBuilder();
toplevel.PrintToBuilder(outMinJsBuilder, new OutputOptions());
outMinJs = outMinJsBuilder.Content();
var outNiceJsBuilder = new SourceMapBuilder();
toplevel.PrintToBuilder(outNiceJsBuilder, new OutputOptions {
Beautify = true
});
outNiceJs = outNiceJsBuilder.Content();
}
catch (SyntaxError e)
{
outAst = e.Message;
}
return(outAst, outMinJs, outNiceJs);
}
public void ParserShouldSkipAllowedUnicodeWhiteSpaceCharactersOrProduceSyntaxError(char whiteSpaceChar,
string expectedAst)
{
var input = SimpleVarStatement.Replace(' ', whiteSpaceChar);
string outAst;
try
{
var parser = new Parser(new Options(), input);
var toplevel = parser.Parse();
var strSink = new StringLineSink();
var dumper = new DumpAst(new AstDumpWriter(strSink));
dumper.Walk(toplevel);
outAst = strSink.ToString();
}
catch (SyntaxError e)
{
outAst = e.Message;
}
Assert.Equal(expectedAst, outAst);
}
ParseTestCore(
ParserTestData testData)
{
string outAst;
var outMinJs = string.Empty;
var outMinJsMap = string.Empty;
var outNiceJs = string.Empty;
var outNiceJsMap = string.Empty;
try
{
var comments = new List <(bool block, string content, SourceLocation location)>();
var commentListener = new CommentListener();
var parser = new Parser(
new()
{
SourceFile = testData.SourceName, EcmaVersion = testData.EcmaScriptVersion, OnComment =
(block, content, location) =>
{
commentListener.OnComment(block, content, location);
comments.Add((block, content, location));
},
SourceType = testData.SourceName.StartsWith("module-") ? SourceType.Module : SourceType.Script
},
testData.Input);
var toplevel = parser.Parse();
commentListener.Walk(toplevel);
SourceMap?inputSourceMap = null;
if (testData.InputSourceMap != null)
{
inputSourceMap = SourceMap.Parse(testData.InputSourceMap, ".");
inputSourceMap.ResolveInAst(toplevel);
}
var strSink = new StringLineSink();
toplevel.FigureOutScope();
var dumper = new DumpAst(new AstDumpWriter(strSink));
dumper.Walk(toplevel);
foreach (var(block, content, location) in comments)
{
strSink.Print(
$"{(block ? "Block" : "Line")} Comment ({location.Start.ToShortString()}-{location.End.ToShortString()}): {content}");
}
outAst = strSink.ToString();
var outMinJsBuilder = new SourceMapBuilder();
var outputOptions = new OutputOptions
{
Shorthand = testData.EcmaScriptVersion >= 6
};
toplevel.PrintToBuilder(outMinJsBuilder, outputOptions);
outMinJsBuilder.AddText(
$"//# sourceMappingURL={PathUtils.ChangeExtension(testData.SourceName, "minjs.map")}");
if (inputSourceMap != null)
{
outMinJsBuilder.AttachSourcesContent(inputSourceMap);
}
outMinJs = outMinJsBuilder.Content();
outMinJsMap = outMinJsBuilder.Build(".", ".").ToString();
var outNiceJsBuilder = new SourceMapBuilder();
outputOptions = new()
{
Beautify = true,
Shorthand = testData.EcmaScriptVersion >= 6
};
toplevel.PrintToBuilder(outNiceJsBuilder, outputOptions);
outNiceJsBuilder.AddText(
$"//# sourceMappingURL={PathUtils.ChangeExtension(testData.SourceName, "nicejs.map")}");
if (inputSourceMap != null)
{
outNiceJsBuilder.AttachSourcesContent(inputSourceMap);
}
outNiceJs = outNiceJsBuilder.Content();
outNiceJsMap = outNiceJsBuilder.Build(".", ".").ToString();
strSink = new StringLineSink();
toplevel.FigureOutScope();
dumper = new DumpAst(new AstDumpWriter(strSink));
dumper.Walk(toplevel);
var beforeClone = strSink.ToString();
toplevel = toplevel.DeepClone();
strSink = new StringLineSink();
toplevel.FigureOutScope();
dumper = new DumpAst(new AstDumpWriter(strSink));
dumper.Walk(toplevel);
var afterClone = strSink.ToString();
if (beforeClone != afterClone)
{
throw new Exception("Dump of clone is not identical");
}
toplevel.Mangle();
}
catch (SyntaxError e)
{
outAst = e.Message;
}
return(outAst, outMinJs, outMinJsMap, outNiceJs, outNiceJsMap);
}