export default function()

in src/options.js [116:163]

• 40 lines of code
• 9 McCabe index (conditional complexity)

export default function (...args) {
    // signature is a11y(React, opts) or a11y(React, ReactDOM, opts)
    // so destructure args based on number of args passed
    let props = [];
    if (args.length === 2) {
        if (args[1].findDOMNode === undefined) {
            props = [args[0], null, args[1] || {}];
        } else {
            props = [args[0], args[1], {}];
        }
    } else {
        props = args;
    }
    const [
        React,
        ReactDOM,
        opts
    ] = props;

    if (!React || !React.createElement) {
        throw new Error(`${LOG_PREFIX} missing argument 'React'`);
    }

    // make sure ReactDOM is passed in in browser code
    if (browser && !(ReactDOM && ReactDOM.findDOMNode)) {
        throw new Error(`${LOG_PREFIX} missing argument 'ReactDOM'`);
    }

    deprecate(opts, 'includeSrcNode', msg);
    deprecate(opts, 'throw', msg);
    deprecate(opts, 'warningPrefix', msg);

    const {
        reporter = mkReporter(opts), // make a reporter based on options
        filterFn = always,
        plugins = [],
        rules = {}
      } = opts;

    return {
        React,
        ReactDOM,
        filterFn,
        reporter,
        plugins,
        rules
    };
}