43 lines
814 B
TypeScript
43 lines
814 B
TypeScript
export class ErrorHandler {
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handlers = [];
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register(guard: (err) => boolean, render: (err, ctx) => void) {
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this.handlers.push({
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guard,
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render,
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});
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}
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defaultHandler(err, ctx) {
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ctx.status = err.statusCode || err.status || 500;
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ctx.body = {
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errors: [
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{
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message: err.message,
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code: err.code,
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},
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],
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};
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if (ctx.status === 500) {
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console.error(err);
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}
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}
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middleware() {
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const self = this;
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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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for (const handler of self.handlers) {
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if (handler.guard(err)) {
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return handler.render(err, ctx);
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}
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}
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self.defaultHandler(err, ctx);
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}
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};
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}
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}
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