Method run

tools/common/_hyperscript.iife.js:2955–2992

* Re-evaluate expression with dependency tracking, compare with last * value, and call handler if changed. Returns false if circular * guard tripped (caller should skip this effect). * @returns {boolean} Whether the effect ran successfully

()

     * @returns {boolean} Whether the effect ran successfully
     */
    run() {
      this._consecutiveTriggers++;
      if (this._consecutiveTriggers > 100) {
        console.error(
          "Reactivity loop detected: an effect triggered 100 consecutive times without settling. This usually means an effect is modifying a variable it also depends on.",
          this.element || this
        );
        return false;
      }
      var reactivity2 = this._reactivity;
      reactivity2._unsubscribeEffect(this);
      var oldDeps = this.dependencies;
      this.dependencies = /* @__PURE__ */ new Map();
      var prev = reactivity2._currentEffect;
      reactivity2._currentEffect = this;
      var newValue;
      try {
        newValue = this.expression();
      } catch (e) {
        console.error("Error in reactive expression:", e);
        this.dependencies = oldDeps;
        reactivity2._currentEffect = prev;
        reactivity2._subscribeEffect(this);
        return true;
      }
      reactivity2._currentEffect = prev;
      reactivity2._subscribeEffect(this);
      reactivity2._cleanupOrphanedDeps(oldDeps);
      if (!_sameValue(newValue, this._lastValue)) {
        this._lastValue = newValue;
        try {
          this.handler(newValue);
        } catch (e) {
          console.error("Error in reactive handler:", e);
        }
      }
      return true;
    }
    /** Reset circular guard after cascade settles. */
    resetTriggerCount() {
      this._consecutiveTriggers = 0;