HummingBirdAnimeClient/public/js/base/ajax.js

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AnimeClient = (function (ac) {
/**
* Url encoding for non-get requests
*
* @param data
* @returns {string}
* @private
*/
function serialize(data) {
let pairs = [];
Object.keys(data).forEach((name) => {
let value = data[name].toString();
name = encodeURIComponent(name);
value = encodeURIComponent(value);
pairs.push(`${name}=${value}`);
});
return pairs.join("&");
};
ac.ajax = function(url, config) {
// Set some sane defaults
config = config || {};
config.data = config.data || {};
config.type = config.type || 'GET';
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config.dataType = config.dataType || '';
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config.success = config.success || ac.noop;
config.error = config.error || ac.noop;
let request = new XMLHttpRequest();
let method = String(config.type).toUpperCase();
if (method === "GET") {
url += (url.match(/\?/))
? serialize(config.data)
: `?${serialize(config.data)}`;
}
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request.open(method, url);
request.onreadystatechange = () => {
if (request.readyState === 4) {
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let responseText = '';
if (request.responseType == 'json') {
responseText = JSON.parse(request.responseText);
} else {
responseText = request.responseText;
}
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if (request.status > 400) {
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config.error.call(null, request.statusText, request.response);
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} else {
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config.success.call(null, responseText, request.status);
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}
}
};
switch (method) {
case "GET":
request.send(null);
break;
default:
request.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
request.send(serialize(config.data));
break;
}
};
ac.get = function(url, data, callback) {
if (arguments.length === 2) {
callback = data;
data = {};
}
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return ac.ajax(url, {
data: data,
success: callback
});
};
return ac;
})(AnimeClient);