'use strict'; 
var fs = require('fs'); 
var path = require('path'); 
var ts = require('typescript'); 
var tsOptions = { 
module: 'commonjs'}
; 
function formatErrorMessage(error){ 
return (error.file.filename + '(' + error.file.getLineAndCharacterFromPosition(error.start).line + '): ' + error.messageText); 
} 
function compile(content, contentFilename){ 
var output = null ; 
var compilerHost = { 
getSourceFile: function (filename, languageVersion){ 
var source; 
filename = path.normalize(filename); 
var reactRegex = new RegExp(path.join('/', '(?:React|ReactDOM)(?:.d)?.ts$')); 
if (filename === 'lib.d.ts') { 
source = fs.readFileSync(require.resolve('typescript/bin/lib.d.ts')).toString(); 
} 
 else if (filename === 'jest.d.ts') { 
source = fs.readFileSync(path.join(__dirname, 'jest.d.ts')).toString(); 
} 
 else if (filename === contentFilename) { 
source = content; 
} 
 else if (reactRegex.test(filename)) { 
try { 
source = fs.readFileSync(filename).toString(); 
} 
catch (e) { 
if (e.code === 'ENOENT') { 
return undefined; 
} 
throw e
} 
} 
 else { 
throw new Error('Unexpected filename ' + filename)
} 
return ts.createSourceFile(filename, source, 'ES5', '0'); 
} 
,
writeFile: function (name, text, writeByteOrderMark){ 
if (output === null ) { 
output = text; 
} 
 else { 
throw new Error('Expected only one dependency.')
} 
} 
,
getCanonicalFileName: function (filename){ 
return filename; 
} 
,
getCurrentDirectory: function (){ 
return ''; 
} 
,
getNewLine: function (){ 
return '\n'; 
} 
}
; 
var program = ts.createProgram(['lib.d.ts', 'jest.d.ts', contentFilename] , tsOptions, compilerHost); 
var errors = program.getDiagnostics(); 
if (!_AN_Read_length('length', errors)) { 
var checker = program.getTypeChecker(true ); 
errors = checker.getDiagnostics(); 
checker.emitFiles(); 
} 
if (errors.length) { 
throw new Error(errors.map(formatErrorMessage).join('\n'))
} 
return output; 
} 
module.exports = { 
compile: compile}
;