JSFiddle - React, Tailwind, and code Playground
JavaScript
function doAsync(i) {
console.log("doAsync " + i);
return Promise.resolve();
}
function ayncFunc() {
return doAsync(-1).catch(doAsync(0)).catch(doAsync(1)).catch(doAsync(2));
};
var retries = 3;
function ayncFunc2() {
var p = doAsync(-1);
for (var i=0; i < retries; i++) {
p = p.catch(doAsync(i));
}
return p;
};
function ayncFunc3() {
function recurse(i) {
return doAsync(i).catch(function(e) {
if (i < retries) {
return recurse(++i);
}
throw e;
});
}
return recurse(0);
};
ayncFunc().catch(function(e) { console.log(e); })
.then(ayncFunc2).catch(function(e) { console.log(e); })
.then(ayncFunc3).catch(function(e) { console.log(e); });