model-layer/dist/type/StringType.js

model layer

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.StringType = void 0;
const Type_1 = require("./Type");
const utils_1 = require("../utils");
const errors_1 = require("../errors");
class StringType extends Type_1.Type {
    constructor({ nullAsEmpty = false, emptyAsNull = false, trim = false, lower = false, upper = false, ...otherParams }) {
        super(otherParams);
        this.nullAsEmpty = nullAsEmpty;
        this.emptyAsNull = emptyAsNull;
        this.trim = trim;
        this.lower = lower;
        this.upper = upper;
        if (nullAsEmpty && emptyAsNull) {
            throw new errors_1.ConflictNullAndEmptyStringParameterError({});
        }
        if (lower && upper) {
            throw new errors_1.ConflictLowerUpperParameterError({});
        }
    }
    prepare(value, key) {
        if (value == null) {
            if (this.nullAsEmpty) {
                return "";
            }
            return null;
        }
        if (utils_1.isNaN(value) ||
            typeof value === "boolean" ||
            utils_1.isObject(value) ||
            Array.isArray(value) ||
            // infinity
            value === 1 / 0 ||
            value === -1 / 0) {
            const valueAsString = utils_1.invalidValuesAsString(value);
            throw new errors_1.InvalidStringError({
                key,
                invalidValue: valueAsString
            });
        }
        // convert to string
        value += "";
        if (this.trim) {
            value = value.trim();
        }
        if (this.emptyAsNull) {
            if (value === "") {
                value = null;
            }
        }
        if (this.lower) {
            value = value.toLowerCase();
        }
        else if (this.upper) {
            value = value.toUpperCase();
        }
        return value;
    }
}
exports.StringType = StringType;
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