Use history.replaceState to change the URL when selecting modules in builder

[arian]

After #174 the builder creates build hashes again to quickly select all modules that were selected previously. It puts the link in the downloaded file.

Additionally we could use history.pushState and history.replaceState to live update the URL with the hash, by md5 hashing the array of selected modules on the client-side.

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[SergioCrisostomo]

If we md5-hash on client side how would we know if the that module-string already exists?

The app.post() is sending the file to client-side and I don't think/know that we can get the hash tag from there. Maybe a Request would be needed there? or what do you have in mind @arian ?

[ibolmo]

Yeah the hash will not be available to the server-side. You'd have to
include that in the request.

On Mon, Nov 17, 2014 at 3:30 PM, Sergio Crisostomo <notifications@github.com

wrote:

If we md5-hash on client side how would we know if the that module-string
already exists?

The app.post() is sending the file to client-side and I don't think/know
that we can get the hash tag from there. Maybe a Request would be needed
there? or what do you have in mind @arian https://github.com/arian ?

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#183 (comment).

[arian]

You don't have to check whether it exists right? Just use the same md5 hashing as on the server-side.

Only problem is when the user reloads or shares the page and the hash doesn't exist in the database...