JeffML

var CombinatorGenerator = function (opts) {
    function* combine(current, remainder) {
        if (remainder.length === 0) {
            if (current.length >= (opts.min || 0) &&
                current.length <= (opts.max || current.length)) {
                yield(current);
            }
        } else {
            combine(current.concat(remainder[0]), remainder.slice(1, remainder.length))
            combine(current, remainder.slice(1, remainder.length))

JeffML

var Combinator = function (opts) {
    var combinations = [];

    function combine(current, remainder) {
        if (remainder.length === 0) {
            if (current.length >= (opts.min || 0) &&
                current.length <= (opts.max || current.length))
                combinations.push(current);
        } else {
            combine(current.concat(remainder[0]), remainder.slice(1, remainder.length));

JeffML

    const choices = [
        [['VANILLA'], ['coconut flakes', 'pecans'], ['marshmallow']],
        [['CHOCOLATE'], ['pecans'], ['chocolate']],
        [['STRAWBERRY', 'VANILLA'], ['pineapple', 'coconut flakes'], ['marshmallow']],
        [['STRAWBERRY'], ['pecans'], ['maple']],
        [['VANILLA'], ['coconut flakes', 'pineapple'], ['chocolate']],
        [['CHOCOLATE, STRAWBERRY'], ['pineapple', 'pecans'], ['butterscotch']],
    ];

    const keys = _.map(choices, c => {

JeffML

const PouchDB = require('pouchdb');
const db = new PouchDB('choices');

// doc that defines the view
var ddoc = {
    _id: '_design/choice',
    views: {
        by_key: {
            map: function (doc) {
                emit(doc.key, doc.taste);

JeffML

const _ = require('lodash');
const hash = require('./hash');

const PouchDB = require('pouchdb');
const db = new PouchDB('choices');

db.allDocs({
        include_docs: true
    })
    .then(docs => {

JeffML

const crypto = require('crypto');
const _ = require('lodash')

function hash(choice) {
    var str = _.chain(choice)
        .flatten()
        .sortBy()
        .join('|')
        .value();

JeffML

var _ = require('lodash');

var PouchDB = require('pouchdb');
var db = new PouchDB('choices');

db.allDocs({
        include_docs: true
    })
    .then(docs => {
        _.each(docs.rows, r => {

JeffML

function run() {
    var menu = { //...
    }

    var iceCreamChoices = new Combinator({ //...
    });
    var toppingChoices = new Combinator({ //...
    });
    var syrupChoices = new Combinator({ //...
    });

JeffML

var count = 0;

_.each(iceCreamChoices, function(ic) {
  _.each(toppingChoices, function(tp) {
    _.each(syrupChoices, function(sy) {
      //allChoices.push([ic,tp,sy]);
      db.post({choice: [ic,tp,sy]}, function(err, doc){
        if (err) console.error(err);
        else console.log(`stored ${++count}`);
      });

JeffML

var allChoices = [];

_.each(iceCreamChoices, function(ic) {
  _.each(toppingChoices, function(tp) {
    _.each(syrupChoices, function(sy) {
      allChoices.push([ic,tp,sy]);
    })
  })
})