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Seems that hierarchical error handling works..

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TreeTable component seems to work too.
Edit is half-way through. Create / delete are TBD.
This commit is contained in:
Tomas Bures 2017-06-05 23:59:08 +02:00
parent 79ea9e1897
commit 5e4c86f626
24 changed files with 9967 additions and 261 deletions
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30
lib/router-async.js
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@ -2,32 +2,24 @@
const express = require('express');
function safeAsyncHandler(handler) {
return function(req, res, next) {
handler(req, res).catch(error => next(error));
};
}
function replaceLast(elems, replaceFn) {
if (elems.length === 0) {
return elems;
function replaceLastBySafeHandler(handlers) {
if (handlers.length === 0) {
return [];
}
const lastElem = elems[elems.size - 1];
const replacement = replaceFn(lastElem);
elems[elems.size - 1] = replacement;
return elems;
const lastHandler = handlers[handlers.length - 1];
const ret = handlers.slice();
ret[handlers.length - 1] = (req, res, next) => lastHandler(req, res).catch(error => next(error));
return ret;
}
function create() {
const router = new express.Router();
router.getAsync = (path, ...handlers) => router.get(path, ...replaceLast(handlers, safeAsyncHandler));
router.postAsync = (path, ...handlers) => router.post(path, ...replaceLast(handlers, safeAsyncHandler));
router.putAsync = (path, ...handlers) => router.put(path, ...replaceLast(handlers, safeAsyncHandler));
router.deleteAsync = (path, ...handlers) => router.delete(path, ...replaceLast(handlers, safeAsyncHandler));
router.getAsync = (path, ...handlers) => router.get(path, ...replaceLastBySafeHandler(handlers));
router.postAsync = (path, ...handlers) => router.post(path, ...replaceLastBySafeHandler(handlers));
router.putAsync = (path, ...handlers) => router.put(path, ...replaceLastBySafeHandler(handlers));
router.deleteAsync = (path, ...handlers) => router.delete(path, ...replaceLastBySafeHandler(handlers));
return router;
}