function checkArgs()

in src/common/argscheck.js [68:100]

• 31 lines of code
• 10 McCabe index (conditional complexity)

function checkArgs (spec, functionName, args, opt_callee) {
    if (!moduleExports.enableChecks) {
        return;
    }
    var errMsg = null;
    var typeName;
    for (var i = 0; i < spec.length; ++i) {
        var c = spec.charAt(i);
        var cUpper = c.toUpperCase();
        var arg = args[i];
        // Asterix means allow anything.
        if (c === '*') {
            continue;
        }
        typeName = utils.typeName(arg);
        if ((arg === null || arg === undefined) && c === cUpper) {
            continue;
        }
        if (typeName !== typeMap[cUpper]) {
            errMsg = 'Expected ' + typeMap[cUpper];
            break;
        }
    }
    if (errMsg) {
        errMsg += ', but got ' + typeName + '.';
        errMsg = 'Wrong type for parameter "' + extractParamName(opt_callee || args.callee, i) + '" of ' + functionName + ': ' + errMsg;
        // Don't log when running unit tests.
        if (typeof jasmine === 'undefined') {
            console.error(errMsg);
        }
        throw TypeError(errMsg);
    }
}