@tempots/std/timer.js

Std library for TypeScript. Natural complement to the Tempo libraries.

const T = (n, e) => {
  const t = setTimeout(n, e);
  return () => clearTimeout(t);
}, I = (n, e) => {
  const t = setInterval(n, e);
  return () => clearInterval(t);
}, F = (n, e, t = {}) => {
  const { noTrailing: a = !1, noLeading: l = !1, debounceMode: i } = t;
  let o, f = !1, c = 0;
  function m() {
    o && clearTimeout(o);
  }
  function A(u) {
    const { upcomingOnly: s = !1 } = u || {};
    m(), f = !s;
  }
  function d(...u) {
    if (f) return;
    const s = this, p = Date.now() - c;
    function r() {
      c = Date.now(), e.apply(s, u);
    }
    function v() {
      o = void 0;
    }
    !l && i && !o && r(), m(), i === void 0 && p > n ? l ? (c = Date.now(), a || (o = setTimeout(i ? v : r, n))) : r() : a || (o = setTimeout(
      i ? v : r,
      i === void 0 ? n - p : n
    ));
  }
  return d.cancel = A, d;
}, g = (n, e, { atBegin: t = !1 } = {}) => F(n, e, { debounceMode: t !== !1 }), w = (n) => {
  let e = null;
  const t = (l) => {
    e = null, n(l);
  };
  return (() => {
    e == null && (e = requestAnimationFrame(t));
  })(), () => {
    e != null && (cancelAnimationFrame(e), e = null);
  };
}, x = (n) => {
  let e = null;
  const t = (l) => {
    e = requestAnimationFrame(t), n(l);
  };
  return (() => {
    e == null && (e = requestAnimationFrame(t));
  })(), () => {
    e != null && (cancelAnimationFrame(e), e = null);
  };
};
export {
  g as debounce,
  T as delayed,
  w as delayedAnimationFrame,
  I as interval,
  x as intervalAnimationFrame,
  F as throttle
};