vuikit/lib/util/misc.js

A responsive Vue UI library for web site interfaces based on UIkit

/**
 * Vuikit 0.8.10
 * (c) 2018 Miljan Aleksic
 * @license MIT
**/

/* Substantial part of the code is adapted from UIkit,
  Copyright (c) 2013-2018 YOOtheme GmbH, getuikit.com */

import { getCssVar } from '../util/style';
import { isObject, isString, toFloat } from '../util/lang';

function toMedia (value) {
  if (isString(value)) {
    if (value[0] === '@') {
      var name = "media-" + (value.substr(1));
      value = toFloat(getCssVar(name));
    } else if (isNaN(value)) {
      return value
    }
  }
  return value && !isNaN(value) ? ("(min-width: " + value + "px)") : false
}
function debounce (fn, wait, immediate) {
  var timeout;
  return function () {
    var context = this;
    var args = arguments;
    var later = function () {
      timeout = null;
      if (!immediate) { fn.apply(context, args); }
    };
    var callNow = immediate && !timeout;
    clearTimeout(timeout);
    timeout = setTimeout(later, wait);
    if (callNow) {
      fn.apply(context, args);
    }
  }
}
function get (obj, path, defVal) {
  var result = isObject(obj) && isString(path)
    ? _get(obj, path)
    : undefined;
  return result === undefined
    ? defVal
    : result
}
function _get (obj, path) {
  return path.split('.').reduce(function (acc, val) { return acc && acc[val]; }, obj)
}
function range (start, stop, step) {
  if ( step === void 0 ) step = 1;
  if (typeof stop === 'undefined') {
    stop = start;
    start = 0;
  }
  return Array.from(new Array(Math.floor((stop - start) / step)), function (x, i) { return start + (i * step); })
}

export { toMedia, debounce, get, range };