confinode/lib/ConfigDescription/ChoiceDescription/ChoiceDescription.js

Node application configuration reader

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const ConfinodeError_1 = require("../../ConfinodeError");
const messages_1 = require("../../messages");
const ConfigDescription_1 = require("../ConfigDescription");
/**
 * Description of a choice item.
 */
class ChoiceDescription extends ConfigDescription_1.LeafItemDescription {
    /**
     * Create the description of a choice item.
     *
     * @param choices - The available choices.
     * @param defaultValue - An optional default value.
     */
    constructor(choices, defaultValue) {
        super(defaultValue);
        this.choices = choices;
    }
    parseValue(value, fileName, keyName) {
        if (this.choices.includes(value)) {
            return value;
        }
        else {
            let parsedValue;
            if (typeof value === 'boolean' || typeof value === 'number') {
                // Try as string
                parsedValue = String(value);
                if (this.choices.includes(parsedValue)) {
                    return parsedValue;
                }
            }
            if (typeof value === 'string' && value !== '') {
                // Try as number
                parsedValue = Number(value);
                if (!isNaN(parsedValue) && this.choices.includes(parsedValue)) {
                    return parsedValue;
                }
            }
        }
        throw new ConfinodeError_1.default('expected', keyName, fileName, new messages_1.Message(messages_1.Level.Error, 'expectedChoice', this.choices));
    }
}
exports.default = ChoiceDescription;
//# sourceMappingURL=ChoiceDescription.js.map