How to use the are-we-there-yet.TrackerStream function in are-we-there-yet
To help you get started, we’ve selected a few are-we-there-yet examples, based on popular ways it is used in public projects.
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DefinitelyTyped / DefinitelyTyped / types / are-we-there-yet / are-we-there-yet-tests.ts View on Github 
const simple = new Tracker("simple");
simple.addListener("change", (name, completed, tracker) => {
console.log(`name: ${name}, completed: ${completed}`);
});
simple.addWork(10);
simple.completeWork(1);
console.log(simple.completed() < 1);
const group = new TrackerGroup("group");
group.addUnit(simple);
const subgroup = group.newGroup("subgroup");
console.log(group.completed());
const stream = new TrackerStream("stream", 100, { encoding: "utf8" });
subgroup.addUnit(stream);
stream.addListener("change", (name, completed, tracker) => {
console.log(`name: ${name}, completed: ${completed}`);
});
simple.finish();
console.log(group.debug());are-we-there-yet
Keep track of the overall completion of many disparate processes
