easy-breezy API for @bem/naming

example.js

const naming = require('./pretty-naming');

const b1 = p('block').m({ m1: 1, m2: 2 });
const b2 = p('block42').m({ m3: 3 });

b1.mix(b2);

console.log(b1.stringify());
// 'block_m1_1 block_m2_2 block42_m3_3'

b1.e('elem');

console.log(b1.stringify());
// 'block__elem_m1_1 block__elem_m2_2 block42_m3_3'

pretty-naming.js

const bemNaming = require('@bem/naming')();

module.exports  = function pretty(name) {
    const _entity = { block : name };
    let _mods = {};
    let _mixes = [];

    const api = {
        e(name) {
            _entity.elem = name;
            return api;
        },

        m(mods) {
            _mods = Object.assign({}, _mods, mods);
            return api;
        },

        mix() {
            _mixes = Array.prototype.slice.call(arguments, 0);
            return api;
        },

        _entities() {
            let _all = Object.keys(_mods).reduce((prev, curr) => {
                prev.push(Object.assign({}, _entity, {
                    mod : { name : curr, val : _mods[curr] }
                }));
                return prev;
            }, []);

            _mixes.forEach(mix => (_all = _all.concat(mix._entities())));

            return _all;
        },

        stringify() {
            return api._entities().map(item => bemNaming.stringify(item)).join(' ');
        }
    };

    return api;
};

toString() { return this.stringify(); },
valueOf() { return this.stringify(); }