[csuwldcat]

Not sure Brick is now "more modular" and "lighter", without X-Tag - in fact, it's quite the opposite. They've dramatically increased the weight of each component, and constantly repeat the same code over and over, much of which is derived from X-Tag's internal methods:

Brick Flipbox: https://github.com/mozbrick/brick-flipbox/blob/master/src/br...

vs

X-Tag Flipbox: https://github.com/x-tag/flipbox/blob/master/src/flipbox.js

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Brick Deck: https://github.com/mozbrick/brick-deck/blob/master/src/deck.... AND https://github.com/mozbrick/brick-deck/blob/master/src/card....

vs

X-Tag Deck: https://github.com/x-tag/deck/blob/master/src/deck.js

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The above examples call into question the claim that the move was to increase modularity and decrease weight - clearly that isn't the case when you actually look at the code.