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24 lines
842 B
24 lines
842 B
// app/middleware/error_handler.js
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module.exports = () => {
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return async function errorHandler(ctx, next) {
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try {
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await next();
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} catch (err) {
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// 所有的异常都在 app 上触发一个 error 事件，框架会记录一条错误日志
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ctx.app.emit('error', err, ctx);
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const status = err.status || 500;
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// 生产环境时 500 错误的详细错误内容不返回给客户端，因为可能包含敏感信息
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const error =
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status === 500 && ctx.app.config.env === 'prod'
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? 'Internal Server Error'
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: err.message;
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// 从 error 对象上读出各个属性，设置到响应中
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ctx.body = { error };
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if (status === 422) {
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ctx.body.detail = err.errors;
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}
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ctx.status = status;
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}
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};
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};
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