iripo/dist/iripo.es.js

A mutation observer based livequery replacement.

window.requestIdleCallback = window.requestIdleCallback || function(u) {
  var n = Date.now();
  return setTimeout(function() {
    u({
      didTimeout: !1,
      timeRemaining: function() {
        return Math.max(0, 50 - (Date.now() - n));
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  }, 1);
};
window.cancelIdleCallback = window.cancelIdleCallback || function(u) {
  clearTimeout(u);
};
const e = window.iripo = {
  paused: !1,
  // All mutation functions have been paused at a system level, vs at a function level.
  allFns: /* @__PURE__ */ new Map(),
  pausedFns: /* @__PURE__ */ new Map(),
  inWatchers: /* @__PURE__ */ new Map(),
  outWatchers: /* @__PURE__ */ new Map(),
  processedElems: /* @__PURE__ */ new WeakMap(),
  processingQueued: !1,
  outElems: /* @__PURE__ */ new Map(),
  // Elements which are observed for changes (out functions)
  getSymbol: function(n, t) {
    const s = Array.from(e.allFns.entries()).find(([a, o]) => {
      if (a.description === n && t.toString() === o.toString())
        return !0;
    });
    return s && s[0];
  },
  getFn: function(n) {
    return e.allFns.get(n);
  },
  setAction: function(n, t, s) {
    const a = s.get(n) || /* @__PURE__ */ new Set();
    let o = e.getSymbol(n, t);
    return o || (o = Symbol(n), e.allFns.set(o, t), s.set(n, a.add(o))), o;
  },
  in: function(n, t, s) {
    const a = e.setAction(n, t, e.inWatchers);
    return s && e.processInFns(), a;
  },
  out: function(n, t) {
    return e.setAction(n, t, e.outWatchers);
  },
  clear: function(n) {
    e.allFns.delete(n), e.pausedFns.delete(n), [e.inWatchers, e.outWatchers].forEach(function(t) {
      t.forEach(function(s) {
        s.delete(n);
      });
    });
  },
  pause: function(n) {
    return e.pausedFns.set(n, !0), n;
  },
  pauseAll: function() {
    this.paused = !0, e.allFns.forEach(function(n, t) {
      e.pause(t);
    });
  },
  resume: function(n, t) {
    return typeof t > "u" && (t = !0), this.paused = !1, e.pausedFns.delete(n), t && e.processInFns(), n;
  },
  resumeAll: function() {
    this.paused = !1, e.allFns.forEach(function(n, t) {
      e.resume(t, !1);
    }), e.processInFns();
  },
  buildOutFn: function({ elem: n, selector: t, fn: s }) {
    e.outElems.has(n) ? e.outElems.get(n).has(t) ? e.outElems.get(n).get(t).add(s) : e.outElems.get(n).set(t, /* @__PURE__ */ new Set([s])) : e.outElems.set(n, /* @__PURE__ */ new Map([[t, /* @__PURE__ */ new Set([s])]]));
  },
  processInFns: function(n) {
    if (e.inWatchers.size > 0) {
      const t = Array.from(e.inWatchers.keys()).join(",");
      document.querySelectorAll(t).forEach(function(s) {
        e.inWatchers.forEach(function(a, o) {
          s.matches(o) && a.forEach(function(i) {
            if (!e.pausedFns.get(i)) {
              const r = e.processedElems.get(s);
              if (!r || !r.has(i)) {
                const f = e.getFn(i), d = r || /* @__PURE__ */ new Set();
                e.processedElems.set(s, d.add(i)), e.buildOutFn({
                  elem: s,
                  selector: o,
                  fn: () => {
                    var c;
                    (c = e.processedElems.get(s)) == null || c.delete(i);
                  }
                }), f(s);
              }
            }
          });
        });
      });
    }
    if (e.outWatchers.size > 0) {
      const t = Array.from(e.outWatchers.keys()).join(",");
      document.querySelectorAll(t).forEach(function(s) {
        e.outWatchers.forEach(function(a, o) {
          s.matches(o) && a.forEach(function(i) {
            const r = e.getFn(i);
            e.buildOutFn({ elem: s, selector: o, fn: r });
          });
        });
      });
    }
  },
  processOutFns: function(n) {
    Array.from(e.outElems.entries()).forEach(([t, s]) => {
      Array.from(s.entries()).forEach(([a, o]) => {
        (!t.isConnected || !t.matches(a)) && (o.forEach((i) => i(t)), e.outElems.get(t).delete(a)), e.outElems.get(t).size || e.outElems.delete(t);
      });
    });
  }
};
window.addEventListener(
  "DOMContentLoaded",
  function(n) {
    e.paused || e.processInFns();
    function t(s) {
      e.paused || e.processingQueued || (e.processingQueued = !0, requestIdleCallback(
        function() {
          e.processInFns(s), e.processOutFns(s), e.processingQueued = !1;
        },
        { timeout: 1e3 }
      ));
    }
    new MutationObserver(t).observe(
      document.documentElement || document.body,
      {
        attributes: !0,
        attributeOldValue: !0,
        childList: !0,
        subtree: !0
      }
    );
  }
);
//# sourceMappingURL=iripo.es.js.map