confinode/lib/ConfigDescription/NumberDescription/NumberDescription.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 number item. Number parser tries to also convert strings.
 */
class NumberDescription extends ConfigDescription_1.LeafItemDescription {
    parseValue(value, fileName, keyName) {
        if (typeof value === 'number') {
            return value;
        }
        else if (typeof value === 'string' && value !== '') {
            const result = Number(value);
            if (!isNaN(result)) {
                return result;
            }
        }
        throw new ConfinodeError_1.default('expected', keyName, fileName, new messages_1.Message(messages_1.Level.Error, 'expectedNumber'));
    }
}
exports.default = NumberDescription;
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