25 lines
815 B
JavaScript
25 lines
815 B
JavaScript
// 测试util._extend是否存在
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if (typeof process !== 'undefined' && process.versions && process.versions.node) {
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try {
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const util = require('util');
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console.log('util._extend存在吗？', typeof util._extend);
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if (typeof util._extend === 'function') {
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console.log('util._extend是一个函数');
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} else {
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console.log('util._extend不是一个函数，添加兼容实现');
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util._extend = function(destination, source) {
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for (var key in source) {
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if (source.hasOwnProperty(key)) {
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destination[key] = source[key];
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}
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}
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return destination;
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};
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console.log('兼容实现添加成功');
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}
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} catch (e) {
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console.error('util模块加载失败:', e);
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}
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} else {
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console.log('不在Node.js环境中');
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} |