redom-jsx/esm/util.js

Tiny turboboosted JavaScript library for creating user interfaces. 100 % test coverage!

import { html } from './html.js';
import { mount } from './mount.js';
import { setAttrInternal } from './setattr.js';
import { text } from './text.js';

export function parseArguments (element, args) {
  parseArgumentsInternal(element, args);
}

export function parseArgumentsInternal (element, args, initial) {
  for (const arg of args) {
    if (arg !== 0 && !arg) {
      continue;
    }

    const type = typeof arg;

    if (type === 'function') {
      arg(element);
    } else if (type === 'string' || type === 'number') {
      element.appendChild(text(arg));
    } else if (isNode(getEl(arg))) {
      mount(element, arg);
    } else if (arg.length) {
      parseArgumentsInternal(element, arg, initial);
    } else if (type === 'object') {
      setAttrInternal(element, arg, null, initial);
    }
  }
}

export function ensureEl (parent) {
  return typeof parent === 'string' ? html(parent) : getEl(parent);
}

export function getEl (parent) {
  return (parent.nodeType && parent) || (!parent.el && parent) || getEl(parent.el);
}

export function isNode (arg) {
  return arg && arg.nodeType;
}