@jbrowse/core/esm/util/tss-react/tools/classnames.js

JBrowse 2 core libraries used by plugins

export const classnames = (args) => {
    const len = args.length;
    let i = 0;
    let cls = '';
    for (; i < len; i++) {
        const arg = args[i];
        if (arg == null) {
            continue;
        }
        let toAdd;
        switch (typeof arg) {
            case 'boolean':
                break;
            case 'object': {
                if (Array.isArray(arg)) {
                    toAdd = classnames(arg);
                }
                else {
                    const obj = arg;
                    toAdd = '';
                    for (const k in obj) {
                        if (obj[k] && k) {
                            if (toAdd) {
                                toAdd += ' ';
                            }
                            toAdd += k;
                        }
                    }
                }
                break;
            }
            default: {
                toAdd = arg;
            }
        }
        if (toAdd) {
            if (cls) {
                cls += ' ';
            }
            cls += toAdd;
        }
    }
    return cls;
};