interval-iterator

An iterator for time-based sequence events

Iterate composed aggregate items by interval from an iterator that generates { time: number }.

Installation

$ npm install interval-iterator

API

IntervalIterator

• constructor(iter: Iterator, interval: number)

Instance methods

• next(): { done: boolean, value: object[] }
• [Symbol.iterator](): self

Examples

import IntervalIterator from "interval-iterator";

let baseIterator = [
  { time: 0.0 },
  { time: 1.0 },
  { time: 1.5 },
  { time: 2.0 },
  { time: 4.0 },
  { time: 8.0 },
][Symbol.iterator]();

let iter = new IntervalIterator(baseIterator, 1);

// 0.000
iter.next(); // { done: false, value: [ { time: 0.0 } ] }
// 1.000
iter.next(); // { done: false, value: [ { time: 1.0 }, { time: 1.5 } ] }
// 2.000
iter.next(); // { done: false, value: [ { time: 2.0 } ] }
// 3.000
iter.next(); // { done: false, value: [] }
// 4.000
iter.next(); // { done: false, value: [ { time: 4.0 } ] }
// 5.000
iter.next(); // { done: false, value: [] }
// 6.000
iter.next(); // { done: false, value: [] }
// 7.000
iter.next(); // { done: false, value: [] }
// 8.000
iter.next(); // { done: false, value: [ { time: 8.0 } ] }
// 9.000
iter.next(); // { done: true, value: [] }

License

MIT