graphql-stringifier.js

function stringifyExplicitObject(subject) {
    return '{' + Object.entries(subject).map(function (entry) {
        return entry[0] + ':' + stringify(entry[1]);
    }).join(',') + '}';
}
function stringifyArray(subject) {
    return '[' + subject.map(function (element) {
        return stringify(element);
    }).join(',') + ']';
}
function stringifyObject(subject) {
    // Check if the subject is an array. If so...
    return subject.constructor === [].constructor
        // Treat it as an array. Otherwise...
        ? stringifyArray(subject)
        // Treat it as an explicit object.
        : stringifyExplicitObject(subject);
}
function stringify (subject) {
    // Check if the subject is an object. If so...
    return typeof subject === 'object'
        // Treat it as an object. Otherwise...
        ? stringifyObject(subject)
        // Treat it as a primitive value.
        : '"' + subject + '"';
}
module.exports = stringify;