all files / lib/helpers/ utils.js

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'use strict';
 
import * as util from 'util';
import * as configs from '../configs/default';
 
const MAGIC_SELECTORS = [
  'hover',
  'active',
  'target',
  'focus'
];
const MAGIC_SELECTOR_DIVIDER = '_';
 
const DEFAULT_LAYOUT = 'smart';
const LAYOUT = {
  vertical: 'top-down',
  horizontal: 'left-right',
  diagonal: 'diagonal',
  smart: 'binary-tree',
  default: DEFAULT_LAYOUT
};
 
export var SPRITE_LAYOUT = LAYOUT;
 
export { default as logger } from './Logger';
 
export function isTruthy(value) {
  return ((value || '').toString().toLowerCase() === 'true');
}
 
export function computeSelector(input) {
  let selector = input.split(MAGIC_SELECTOR_DIVIDER);
  let matches = MAGIC_SELECTORS.indexOf(selector[1]) > -1;
 
  if (matches) {
    input = selector.join(':');
  }
 
  return input.replace(configs.CLASSNAME_REGEX, '');
}