"Repeatability? Suppose you manually install some dep, which turns out to
be at version 0.2.5..  and code to that. Then you want to run your code on
another machine 3 months later. You npm install foodep and you've got 0.3.1
which has incompatible changes, you don't even remember which version you
had previously installed.   By defining your deps in a package.json file
you're able to repeatedly deploy and know you've got what you need, at the
right version."

Ahhhhh okay. Gotcha.


On Fri, Mar 28, 2014 at 12:27 AM, <[email protected]> wrote:

> Repeatability? Suppose you manually install some dep, which turns out to
> be at version 0.2.5..  and code to that. Then you want to run your code on
> another machine 3 months later. You npm install foodep and you've got 0.3.1
> which has incompatible changes, you don't even remember which version you
> had previously installed.   By defining your deps in a package.json file
> you're able to repeatedly deploy and know you've got what you need, at the
> right version.
>
>
> On Friday, March 28, 2014 3:17:39 PM UTC+11, Frank Z wrote:
>
>>    But if I already installed the dependencies in my node_module folder,
>> what does it matter?
>>
>>
>>  --
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