model-layer/dist/type/BooleanType.js

model layer

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.BooleanType = void 0;
const Type_1 = require("./Type");
const utils_1 = require("../utils");
const errors_1 = require("../errors");
class BooleanType extends Type_1.Type {
    constructor(params) {
        super(params);
        this.nullAsFalse = !!params.nullAsFalse;
        this.falseAsNull = !!params.falseAsNull;
        if (params.nullAsFalse && params.falseAsNull) {
            throw new errors_1.ConflictNullAndFalseParameterError({});
        }
    }
    prepare(value, key) {
        if (value == null) {
            if (this.nullAsFalse) {
                return false;
            }
            return null;
        }
        if (typeof value !== "boolean") {
            const valueAsString = utils_1.invalidValuesAsString(value);
            throw new errors_1.InvalidBooleanError({
                key,
                invalidValue: valueAsString
            });
        }
        if (this.falseAsNull) {
            if (!value) {
                value = null;
            }
        }
        return value;
    }
}
exports.BooleanType = BooleanType;
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