logitar-validation/dist/rules/containsLowercase.js

JavaScript validation library distributed by Logitar.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const logitar_js_1 = require("logitar-js");
const { isLetter } = logitar_js_1.stringUtils;
/**
 * A validation rule that checks if a string contains a minimum number of lowercase letters.
 * @param value The value to validate.
 * @param args The minimum number of lowercase letters.
 * @returns The result of the validation rule execution.
 */
const containsLowercase = (value, args) => {
    const requiredLowercase = Number(args);
    if (isNaN(requiredLowercase) || requiredLowercase <= 0) {
        return { severity: "warning", message: "The arguments should be a positive number." };
    }
    if (typeof value !== "string") {
        return { severity: "error", message: "{{name}} must be a string." };
    }
    else if (value.length > 0) {
        const lowercase = [...value].filter((c) => isLetter(c) && c.toLowerCase() === c).length;
        if (lowercase < requiredLowercase) {
            return { severity: "error", message: "{{name}} must contain at least {{containsLowercase}} lowercase letter(s)." };
        }
    }
    return { severity: "information" };
};
exports.default = containsLowercase;