Trim text and prefix ellipses when the text length is greater than the maximum

trim-text.js

const trimText = (input = '', maximumLength = 80) => {
    const exceedsMaximum = input.length >= maximumLength;
    return {
        exceedsMaximum,
        text: exceedsMaximum ? `${ input.substr(0, input.lastIndexOf(' ', maximumLength)) }...` : input,
    }
};

export default trimText;

// trimText('Hello world! Lorem ipsum.', 17) => { exceedsMaximum: true, text: "Hello world!..." }
// trimText('Hello world! Lorem ipsum.', 18) => { exceedsMaximum: true, text: "Hello world! Lorem... "}