Cacher is the code snippet organizer for pro developers

{
    let parentItems = document.querySelectorAll(".product-categories li.cat-parent");
    // console.dir(parentItems);

    let buttonToggle = () => {
        let buttons = document.querySelectorAll(".wooToggle");
        buttons.forEach((button) => {
            button.addEventListener("click", function (e) {
                this.parentElement.classList.toggle("toggled");
            });
        });
        return buttons;
    };

    let insertButtons = (elements) => {
        elements.forEach((item) => {
            let newElement = document.createElement("button");
            newElement.className = "wooToggle";
            let newContent = document.createTextNode("");
            newElement.appendChild(newContent);
            item.insertBefore(newElement, item.firstChild);
        });
        return elements;
    };

    if (parentItems.length > 0) {
        Promise
            .resolve(parentItems)
            .then(insertButtons)
            .then(buttonToggle)
            .catch();
    }

}

.wooToggle,
.wooToggle:before,
.wooToggle:after {
  height: 15px;
  width: 15px;
}

.wooToggle {
  font-size: 11px;
  color: white;
  position: relative;
  background: transparent;
  border: none;
  z-index: 2;

  &:hover {
    cursor: pointer;
  }
  &:after {
    content: " ";
    display: block;
    position: absolute;
    border-radius: 100%;
    background: red;
    background: linear-gradient(to bottom, red 0%, #250f25 100%) !important;
    box-shadow: 0 0 4px rgba(0, 0, 0, .50) !important;
    z-index: 1;
  }
  &:before, &:after {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
  }
  &:before {
    font-size: 15px;
    z-index: 3;
  }
}

.wooToggle {
  &:before, &:after {
    font-family: "FontAwesome";
    font-size: 10px;
  }
  &:before {
    margin-top: 2px;
    margin-left: .5px;
    content: "\f067";
  }
}

.current-cat-parent .wooToggle,
.toggled .wooToggle {
  &:before {
    content: "\f068";
  }
}



.woocommerce .product-categories {
  .children {
    display: none;
  }
  .toggled > .children,
  .current-cat-parent > .children,
  .current-cat.children {
    display: block;
  }
}

.woocommerce .product-categories .current-cat-parent.toggled {
  .wooToggle {
    &:before {
      content: "\f067";
    }
  }
  > .children {
    display: none;
  }
}

.current-cat {
  font-weight: 600;
}

// For sidebar
.product-categories {
  li {
    padding-left: .5em;
    position: relative;
    margin: .5em 0 .25em;
  }
  .wooToggle {
    position: absolute;
    left: -1em;
    top: .5em;
  }
}

.product-tax-meta {
  margin-bottom: 1em;
  p {
    margin: .1em 0 .5em;
  }
}