I'm trying to do a slightly different thing than the example on the TypeScript compiler API wiki:
var host = ts.createCompilerHost(options);
var program = ts.createProgram(filenames, options, host);
var checker = ts.createTypeChecker(program, /*produceDiagnostics*/ true);
var result = checker.emitFiles();
The question is twofold:
1) how to make emitFiles to write to a specific path?
2) how to catch and handle compilation errors?
how to make emitFiles to write to a specific path
The emitFiles doesn't do any actual writing. It returns it as a result and you need to write it, so you can write it anywhere.
e.g.
output.outputFiles.forEach(o => {
mkdirp.sync(path.dirname(o.name));
fs.writeFileSync(o.name, o.text, "utf8");
});
how to catch and handle compilation errors?
Using diagnostics:
var allDiagnostics = services.getCompilerOptionsDiagnostics()
.concat(services.getSyntacticDiagnostics(filePath))
.concat(services.getSemanticDiagnostics(filePath));
Source : https://github.com/TypeStrong/atom-typescript/blob/master/lib/main/lang/modules/building.ts#L28-L30 don't forget to star ;)
mkdirp was added by someone else. You can see code in this package and the brackets one as a reference for how stuff worksatom-typescript objects and methods, not typescripts. I can't use those.services is just the LanguageService documented here: github.com/Microsoft/TypeScript/wiki/… Not AtomTS specific in any way