sqljs-documentstore/dist/Db.js

Minimal, encrypted, sql friendly typed document store, with support for indexed columns. Protects against transactional conflicts

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.Db = void 0;
var TypedDocumentStore_1 = require("./TypedDocumentStore");
var sqljsHelpers_1 = require("./sqljsHelpers");
var Db = /** @class */ (function () {
    function Db(database) {
        this.database = database;
        this.initted = false;
    }
    Db.prototype.txn = function (description, actions) { return this.database().txn(description, function (txnId) { return actions(txnId); }); };
    Db.prototype.txnAsync = function (description, actions) {
        return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) {
            return [2 /*return*/, this.database().txnAsync(description, function (txnId) { return actions(txnId); })];
        }); });
    };
    Db.prototype.init = function () { Object.values(this).filter(function (value) { return (0, TypedDocumentStore_1.isTypedDocumentStore)(value); }).forEach(function (store) { return store.init(); }); this.initted = true; };
    /**
    * Used to query from console, or for advanced querying scenarios in code
    * @example //from console
    * console.table(await window.db.query('select * from FieldDefinitionData f join CalculatedFieldDefinitionData c on f.id = c.fieldId;'));
    * @example //from code - advanced query - join tables and union the data types:
    * await doc.query<FieldDefinitionData & CalculatedFieldDefinitionData, {fJson: string, cJson: string}>(
    * 'select f.json fJson, c.json cJson from FieldDefinitionData f join CalculatedFieldDefinitionData c on f.id = c.fieldId',
    * undefined, row => _.merge(<FieldDefinitionData>JSON.parse(row.fJson), <CalculatedFieldDefinitionData>JSON.parse(row.cJson)));
    * @example //from code - less type checking:
    * <(FieldDefinitionData & CalculatedFieldDefinitionData)[]> await doc.query(
    * 'select f.json fJson, c.json cJson from FieldDefinitionData f join CalculatedFieldDefinitionData c on f.id = c.fieldId',
    * undefined, row => _.merge(JSON.parse(row.fJson), JSON.parse(row.cJson)));
    */
    Db.prototype.query = function (sql, params, projection) {
        var result = sqljsHelpers_1.sqljsHelpers.query(this.database(), sql, params);
        if (result.length == 0)
            return [];
        if (!projection)
            return result;
        return result.map(function (row) { return projection(row); });
    };
    return Db;
}());
exports.Db = Db;
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