bem/lib/commands/create/mod.js

BEM Tools

'use strict';

var Q = require('q'),
    U = require('../../util'),
    Context = require('../../context').Context;

module.exports = function() {

    return this
        .title('Modifier.').helpful()
        .apply(U.chdirOptParse)
        .apply(U.techsOptParse)
        .apply(U.levelOptParse)
        .opt()
            .name('blockName').short('b').long('block')
            .title('block name, required')
            .req()
            .end()
        .opt()
            .name('elemName').short('e').long('elem')
            .title('element name')
            .end()
        .opt()
            .name('modVal').short('v').long('val')
            .title('modifier value')
            .arr()
            .end()
        .opt()
            .name('force').short('f').long('force')
            .title('force files creation')
            .flag()
            .end()
        .arg()
            .name('names')
            .title('modifier names')
            .req()
            .arr()
            .end()
        .act(function(opts, args) {

            U.deprecate('Command "bem create mod" is deprecated!',
                'It will be removed in bem-tools@1.0.0, ' +
                'please use `bem create -b ... -m ... -v ...` command instead.');

            var context = new Context(opts.level, opts),
                addOpts = { args: args.raw || [], force: opts.force },
                itemBase = { block: opts.blockName },
                techs = context.getDefaultTechs();

            if (!techs.length) return Q.reject('You should specify techs to create using --force-tech, -T or --add-tech, -t options');

            if (opts.elemName) itemBase.elem = opts.elemName;

            return Q.all(args.names.map(function(name) {
                return Q.all((opts.modVal || ['']).map(function(val) {
                    var item = U.extend({}, itemBase, { mod: name });
                    if (val) item.val = val;

                    return Q.all(techs.map(function(t) {
                        return context.getTech(t).createByDecl(item, opts.level, addOpts);
                    })).get(0);
                })).get(0);
            })).get(0);

        });

};