function HTML()

in server/site/js/source/scaffolding-html.js [37:105]

• 47 lines of code
• 16 McCabe index (conditional complexity)

  function HTML(type, params, children) {

    /* create the raw element, or clone if passed an existing element */
    var child, j, len, val;
    if (typeof type === 'object') {
      this.element = type.cloneNode();
    } else {
      this.element = document.createElement(type);
    }

    /* If params have been passed, set them */
    if (isHash(params)) {
      for (var key in params) {
        val = params[key];

        /* Standard string value? */
        if (typeof val === "string" || typeof val === 'number') {
          this.element.setAttribute(key, val);
        } else if (isArray(val)) {

          /* Are we passing a list of data to set? concatenate then */
          this.element.setAttribute(key, val.join(" "));
        } else if (isHash(val)) {

          /* Are we trying to set multiple sub elements, like a style? */
          for (var subkey in val) {
            let subval = val[subkey];
            if (!this.element[key]) {
              throw "No such attribute, " + key + "!";
            }
            this.element[key][subkey] = subval;
          }
        }
      }
    } else {
      if (!children) { children = params } // shortcut!
    }

    /* If any children have been passed, add them to the element */
    if (children) {

      /* If string, convert to textNode using txt() */
      if (typeof children === "string") {
        this.element.inject(txt(children));
      } else {

        /* If children is an array of elems, iterate and add */
        if (isArray(children)) {
          for (j = 0, len = children.length; j < len; j++) {
            child = children[j];

            /* String? Convert via txt() then */
            if (typeof child === "string") {
              this.element.inject(txt(child));
            } else {

              /* Plain element, add normally */
              this.element.inject(child);
            }
          }
        } else {

          /* Just a single element, add it */
          this.element.inject(children);
        }
      }
    }
    return this.element;
  }