智能照明系统APP-本地串口
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LightingSystemApp-serial/.svn/pristine/af/af7627d3250fca1044b05bbd609...

5 lines
185 B

module.exports = function (it, Constructor, name) {
if (!(it instanceof Constructor)) {
throw TypeError('Incorrect ' + (name ? name + ' ' : '') + 'invocation');
} return it;
};