Function assertObjectType

vue.js:2114–2122

(name, value, vm)

    //判断是否是对象
    function assertObjectType(name, value, vm) {
        if (!isPlainObject(value)) {
            warn(
                "Invalid value for option \"" + name + "\": expected an Object, " +
                "but got " + (toRawType(value)) + ".",
                vm
            );
        }
    }

    /**
     * Merge two option objects into a new one.