mirror of https://github.com/jkjoy/sunpeiwen.git
29 lines
733 B
JavaScript
29 lines
733 B
JavaScript
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(function(root) {
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var toString = Function.prototype.toString;
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function fnBody(fn) {
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return toString.call(fn).replace(/^[^{]*{\s*/,'').replace(/\s*}[^}]*$/,'');
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}
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function isClass(fn) {
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return (typeof fn === 'function' &&
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(/^class(?:\s|{)/.test(toString.call(fn)) ||
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(/^.*classCallCheck\(/.test(fnBody(fn)))) // babel.js
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);
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}
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if (typeof exports !== 'undefined') {
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if (typeof module !== 'undefined' && module.exports) {
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exports = module.exports = isClass;
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}
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exports.isClass = isClass;
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} else if (typeof define === 'function' && define.amd) {
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define([], function() {
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return isClass;
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});
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} else {
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root.isClass = isClass;
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}
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})(this);
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