text-transform-oop.js

class TextTransformation {
    static capitalize(text) {
        return text.charAt(0).toUpperCase() + text.slice(1);
    }
    static addExclamationMark(text) {
        return text + '!';
    }
    static addPunctuation(text) {
        return text + '.';
    }
    static makeImportant(text) {
        let transformed = text;
        transformed = transformed.trim();
        transformed = transformed.toLowerCase();
        transformed = TextTransformation.capitalize(transformed);
        transformed = TextTransformation.addExclamationMark(transformed);
        return transformed;
    }
    static makeUnimportant(text) {
        let transformed = text;
        transformed = transformed.trim();
        transformed = transformed.toLowerCase();
        transformed = TextTransformation.addPunctuation(transformed);
        return transformed;
    }
}

export default TextTransformation;