Why does the typescript compiler silently exit on a .ts file starting with a hash character?

Question

If I compile the following file

test.ts

#   
class Test {
}

with

tsc test.ts

no output file is produced and the compiler does not give any warnings or errors. Running the compiler with debug turned on

tsc --debug test.ts

yields the following output:

Reading code from /usr/local/share/npm/lib/node_modules/typescript/bin/lib.d.ts
Found code at /usr/local/share/npm/lib/node_modules/typescript/bin/lib.d.ts
Reading code from /tmp/ts/directives/test.ts
Found code at /tmp/ts/directives/test.ts

If I put the hash line after the class declaration

test2.ts

class Test {
}
#

the compiler reports no errors and generates output file

test2.js

var Test = (function () {
    function Test() { }
    return Test;
})();

What's going on here?

A somewhat related SO question: How to make a shell executable node file using TypeScript. — user82216
– user82216, Commented Aug 14, 2014 at 16:47

Murat Sutunc · Accepted Answer · 2012-10-17 17:09:22Z

3

This has been fixed on the developer branch (0.8). Characters such as @ or # no longer block compilation. Please check the latest compiler.

answered Oct 17, 2012 at 17:09

Murat Sutunc

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Comments

Ryan Cavanaugh · Accepted Answer · 2012-10-17 16:09:58Z

3

It's just a bug. This should be an error, as you expect.

answered Oct 17, 2012 at 16:09

Ryan Cavanaugh

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