ts-sql-query/sqlBuilders/SqlBuilder.js

Type-safe SQL query builder like QueryDSL or JOOQ in Java or Linq in .Net for TypeScript with MariaDB, MySql, Oracle, PostgreSql, Sqlite and SqlServer support.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.operationOf = exports.hasToSql = exports.getWithData = exports.hasWithData = exports.isAllowedQueryColumns = exports.flattenQueryColumns = exports.getQueryColumn = void 0;
const values_1 = require("../expressions/values");
function getQueryColumn(columns, prop) {
    const propName = prop;
    let valueSource = columns[propName];
    if (valueSource) {
        if ((0, values_1.isValueSource)(valueSource)) {
            return valueSource;
        }
        else {
            return undefined;
        }
    }
    const route = propName.split('.');
    valueSource = columns;
    for (let i = 0, length = route.length; valueSource && i < length; i++) {
        if ((0, values_1.isValueSource)(valueSource)) {
            return undefined;
        }
        const currentProp = route[i];
        valueSource = valueSource[currentProp];
    }
    if ((0, values_1.isValueSource)(valueSource)) {
        return valueSource;
    }
    else {
        return undefined;
    }
}
exports.getQueryColumn = getQueryColumn;
function flattenQueryColumns(columns, target, prefix) {
    for (let prop in columns) {
        const column = columns[prop];
        if ((0, values_1.isValueSource)(column)) {
            const name = prefix + prop;
            if (target[name]) {
                throw new Error("You are trying to use the same column name '" + name + "' several times in the same query");
            }
            target[name] = column;
        }
        else {
            flattenQueryColumns(column, target, prefix + prop + '.');
        }
    }
}
exports.flattenQueryColumns = flattenQueryColumns;
function isAllowedQueryColumns(columns, sqlBuilder) {
    for (let prop in columns) {
        const column = columns[prop];
        if ((0, values_1.isValueSource)(column)) {
            const result = (0, values_1.__getValueSourcePrivate)(column).__isAllowed(sqlBuilder);
            if (!result) {
                return false;
            }
        }
        else {
            const result = isAllowedQueryColumns(column, sqlBuilder);
            if (!result) {
                return false;
            }
        }
    }
    return true;
}
exports.isAllowedQueryColumns = isAllowedQueryColumns;
function hasWithData(value) {
    if (value && value.__name && (value.__selectData || value.__values)) {
        return true;
    }
    else {
        return false;
    }
}
exports.hasWithData = hasWithData;
function getWithData(withView) {
    return withView;
}
exports.getWithData = getWithData;
function hasToSql(value) {
    if (value === undefined || value === null) {
        return false;
    }
    if (typeof value === 'object') {
        return typeof value.__toSql === 'function';
    }
    return false;
}
exports.hasToSql = hasToSql;
function operationOf(value) {
    if (value === undefined || value === null) {
        return null;
    }
    if (typeof value.__operation === 'string') {
        return value.__operation;
    }
    return null;
}
exports.operationOf = operationOf;