<s>
Pretty	B-Application
Diff	I-Application
is	O
a	O
language-aware	O
data	B-Application
comparison	I-Application
utility	O
implemented	O
in	O
TypeScript	B-Language
.	O
</s>
<s>
The	O
online	O
utility	O
is	O
capable	O
of	O
source	O
code	O
prettification	B-Application
,	O
minification	B-Language
,	O
and	O
comparison	O
of	O
two	O
pieces	O
of	O
input	O
text	O
.	O
</s>
<s>
It	O
operates	O
by	O
removing	O
code	O
comments	O
from	O
supported	O
languages	O
and	O
then	O
performs	O
a	O
pretty-print	B-Application
operation	O
prior	O
to	O
executing	O
the	O
diff	B-Application
algorithm	O
.	O
</s>
<s>
The	O
documentation	O
claims	O
the	O
JavaScript	O
pretty-print	B-Application
operation	O
conforms	O
to	O
the	O
requirements	O
of	O
JSLint	B-Language
.	O
</s>
<s>
As	O
Pretty	B-Application
Diff	I-Application
is	O
written	O
entirely	O
in	O
TypeScript	B-Language
,	O
the	O
application	O
executes	O
in	O
a	O
web	B-Application
browser	I-Application
or	O
on	O
command	B-Application
line	I-Application
using	O
a	O
stand-alone	O
JavaScript	O
interpreter	B-Application
,	O
such	O
as	O
Node.js	B-Language
.	O
</s>
<s>
As	O
of	O
March	O
23	O
,	O
2016	O
Pretty	B-Application
Diff	I-Application
stated	O
it	O
would	O
abandon	O
NPM	B-Language
in	O
response	O
to	O
a	O
list	O
of	O
disagreements	O
.	O
</s>
<s>
On	O
April	O
18	O
,	O
2016	O
in	O
parallel	O
to	O
the	O
release	O
of	O
Pretty	B-Application
Diff	I-Application
version	O
2.0.0	O
.	O
the	O
NPM	B-Language
package	O
is	O
updated	O
to	O
artificial	O
version	O
99	O
where	O
it	O
is	O
effectively	O
locked	O
into	O
version	O
1.16.37	O
.	O
</s>
<s>
The	O
source	O
code	O
is	O
published	O
at	O
the	O
Pretty	B-Application
Diff	I-Application
GitHub	B-Application
repository	O
.	O
</s>
<s>
Google	O
Closure	O
Compiler	O
-	O
Minifier	B-Language
for	O
CSS	O
,	O
JavaScript	O
,	O
and	O
HTML	O
.	O
</s>
