import { Cache } from '@ember/-internals/utils';
/*
  This diverges from `Ember.String.dasherize` so that`<XFoo />` can resolve to `x-foo`.
  `Ember.String.dasherize` would resolve it to `xfoo`..
*/
const SIMPLE_DASHERIZE_REGEXP = /[A-Z]/g;
const ALPHA = /[A-Za-z]/;
export default new Cache(1000, key => key.replace(SIMPLE_DASHERIZE_REGEXP, (char, index) => {
    if (index === 0 || !ALPHA.test(key[index - 1])) {
        return char.toLowerCase();
    }
    return `-${char.toLowerCase()}`;
}));