Method execute

www/js/_hyperscript.js:9107–9147

(ctx)

      this.queueLast = queueLast;
    }
    execute(ctx) {
      const onFeature = this;
      const every = this.every;
      const queueNone = this.queueNone;
      const queueFirst = this.queueFirst;
      const queueLast = this.queueLast;
      const start = this.start;
      let eventQueueInfo = ctx.meta.runtime.getEventQueueFor(ctx.me, onFeature);
      if (eventQueueInfo.executing && every === false) {
        if (queueNone || queueFirst && eventQueueInfo.queue.length > 0) {
          return;
        }
        if (queueLast) {
          eventQueueInfo.queue.length = 0;
        }
        eventQueueInfo.queue.push(ctx);
        return;
      }
      eventQueueInfo.executing = true;
      ctx.meta.onHalt = function() {
        eventQueueInfo.executing = false;
        var queued = eventQueueInfo.queue.shift();
        if (queued) {
          setTimeout(function() {
            onFeature.execute(queued);
          }, 1);
        }
      };
      ctx.meta.reject = function(err) {
        console.error(err.message ? err.message : err);
        console.error(err.stack);
        var hypertrace = ctx.meta.runtime.getHyperTrace(ctx, err);
        if (hypertrace) {
          hypertrace.print();
        }
        ctx.meta.runtime.triggerEvent(ctx.me, "exception", {
          error: err
        });
      };
      start.execute(ctx);
    }
    install(elt, source, args, runtime2) {
      const onFeature = this;
      const displayName = this.displayName;