db-lite (2019.8.20)

this zero-dependency package will provide a persistent, in-browser database, with a working web-demo

edit or paste script below to eval

/*jslint browser: true, node: true*/
"use strict";
var dbTable1, gotoState, gotoNext;
gotoState = 0;
gotoNext = function (err, data) {
    gotoState = err
        ? Infinity
        : gotoState + 1;
    switch (gotoState) {
    case 1:
        dbTable1 = window.dbTable1 = window.utility2_db.dbTableCreateOne({
            name: "dbTable1"
        }, gotoNext);
        break;
    case 2:
        dbTable1.idIndexCreate({ name: "field1" }, gotoNext);
        break;
    case 3:
        dbTable1.crudSetOneById({ field1: "aa", field2: 1, field3: "foo" }, gotoNext);
        break;
    case 4:
        dbTable1.crudSetOneById({ field1: "bb", field2: 2, field3: "bar" }, gotoNext);
        break;
    case 5:
        dbTable1.crudSetOneById({ field1: "cc", field2: 3, field3: "baz" }, gotoNext);
        break;
    case 6:
        dbTable1.crudRemoveOneById({ field1: "aa" }, gotoNext);
        break;
    case 7:
        dbTable1.crudUpdateOneById({ field1: "bb", field2: -1 }, gotoNext);
        break;
    case 8:
        dbTable1.crudSetOneById({ field2: Math.random() }, gotoNext);
        break;
    case 9:
        dbTable1.crudGetManyByQuery({
            limit: Infinity,
            query: { field2: { $gte: -Infinity, $lte: Infinity } },
            skip: 0,
            sort: [{ fieldName: "_timeUpdated", idDescending: true }]
        }, gotoNext);
        break;
    case 10:
        console.error(data);
        dbTable1.crudCountAll(gotoNext);
        break;
    case 11:
        console.error("number of rows: " + data);
        break;
    default:
        console.error(err.stack);
    }
};
gotoNext();

stderr and stdout

[ this app was created with utility2 ]