Turn tracking class into a singleton

Financial-Times / o-tracking

Origami Tracking component

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Closed JakeChampion closed 4 years ago

JakeChampion commented 4 years ago

Tracking is only ever used as a singleton object, let's turn it into a singleton to ensure it can only ever be used that way

origamiserviceuser commented 4 years ago

o-tracking bundle size difference from 2.0.10 to db2778b46d9b373ac2683c62622f4962b63d4679 js: 3.93kb increase (1.34kb/gzip)

origamiserviceuser commented 4 years ago

o-tracking bundle size difference from 2.0.10 to 5622e4ccbd7b8a7c5e0951d002deb59b73d6d1a5 js: 3.88kb increase (1.35kb/gzip)