You've already forked tf2wikipricing
be6206194b
price update time was not properly serialized as a number like the schema was, and led to dates being stored as empty objects. UI code also did not check if date was NaN, and rendered "invalid date" instead.
tf2wikipricing
Adds pricing information to item pages on the TF2 wiki.
Currently builds as a userscript, browser extension builds are returning soon.