@thi.ng/dsp/iterable.js

Composable signal generators, oscillators, filters, FFT, spectrum, windowing & related DSP utils

import { __take } from "./internal/take.js";
const iterable = (src, initial) => new $Iterable(src, initial);
class $Iterable {
  _iter;
  _val;
  constructor(src, initial) {
    this._iter = src[Symbol.iterator]();
    this._val = initial;
  }
  deref() {
    return this._val;
  }
  *[Symbol.iterator]() {
    while (true) yield this.next();
  }
  next() {
    if (this._iter) {
      const res = this._iter.next();
      if (!res.done) {
        this._val = res.value;
      } else {
        this._iter = null;
      }
    }
    return this._val;
  }
  take(num, out = [], idx = 0) {
    return __take(this, num, out, idx);
  }
}
export {
  $Iterable,
  iterable
};