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Code Issues Releases Wiki Activity

xhr helpers: wrap in promises

This commit is contained in:
Andrew Dolgov 2018-12-11 08:42:38 +03:00
parent 36f3299ddf
commit 7cfd04ffb4
1 changed files with 24 additions and 12 deletions
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36
js/common.js
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@ -18,23 +18,35 @@ function exception_error(e, e_compat, filename, lineno, colno) {
function xhrPost(url, params, complete) {
console.log("xhrPost:", params);
return new Ajax.Request(url, {
parameters: params,
onComplete: complete
return new Promise((resolve, reject) => {
new Ajax.Request(url, {
parameters: params,
onComplete: function(reply) {
if (complete != undefined) complete(reply);
resolve(reply);
}
});
});
}
function xhrJson(url, params, complete) {
return xhrPost(url, params, (reply) => {
try {
const obj = JSON.parse(reply.responseText);
complete(obj);
} catch (e) {
console.error("xhrJson", e, reply);
complete(null);
}
return new Promise((resolve, reject) => {
return xhrPost(url, params).then((reply) => {
let obj = null;
})
try {
obj = JSON.parse(reply.responseText);
} catch (e) {
console.error("xhrJson", e, reply);
}
if (complete != undefined) complete(obj);
resolve(obj);
});
});
}
/* add method to remove element from array */