@sebgroup/frontend-tools/esm/isEmpty/isEmpty.js

A set of frontend tools

/**
 * Check if a string is empty
 * @param {any} value String variable to be checked
 * @returns {boolean} True if empty
 */
function isEmpty(value) {
    if (value === undefined || value === null) {
        // undefined or null
        return true;
    }
    else if (value instanceof Date) {
        // Date object behave different from normal objects
        return false;
    }
    else if (value instanceof Function) {
        return false;
    }
    else if (value instanceof Object && !(value instanceof Array)) {
        // Object, not an array
        return Object.keys(value).length < 1;
    }
    else if (value.length < 1) {
        // Array or string
        return true;
    }
    else {
        return false;
    }
}

export { isEmpty };
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