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GA的源码 analytics.js

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AAlexZ33
Last edited Sep 16, 2016
Created on Apr 7, 2020

This example shows a utility class for tracking and encoding feature-usage data in Google Analytics' analytics.js library. The `UsageManager` class records which methods or features are triggered, then encodes that information into a compact base64-like string for transmission to a backend. A `decode` method reverses the encoding by mapping each character back to its bit positions. The code demonstrates custom bit-packing logic and string manipulation rather than relying on visualization libraries, with the data source being the runtime state of the analytics script itself.

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