111 lines
1.8 KiB
JavaScript
111 lines
1.8 KiB
JavaScript
function get(url) {
|
|
return new Promise(function(resolve, reject) {
|
|
var req = new XMLHttpRequest();
|
|
req.open('GET', url);
|
|
|
|
req.onload = function() {
|
|
if (req.status == 200) {
|
|
resolve(req.response);
|
|
}
|
|
else {
|
|
reject(Error(req.statusText));
|
|
}
|
|
};
|
|
|
|
req.onerror = function() {
|
|
reject(Error("Network Error"));
|
|
};
|
|
|
|
req.send();
|
|
});
|
|
}
|
|
|
|
function getJSON(url) {
|
|
return get(url).then(JSON.parse)
|
|
}
|
|
|
|
function sortByKey(key, d) {
|
|
return d.slice().sort( function (a, b) {
|
|
return a[key] - b[key]
|
|
}).reverse()
|
|
}
|
|
|
|
function limit(key, m, d) {
|
|
return d.filter( function (d) {
|
|
return d[key].isAfter(m)
|
|
})
|
|
}
|
|
|
|
function sum(a) {
|
|
return a.reduce( function (a, b) {
|
|
return a + b
|
|
}, 0)
|
|
}
|
|
|
|
function one() {
|
|
return 1
|
|
}
|
|
|
|
function trueDefault(d) {
|
|
return d === undefined ? true : d
|
|
}
|
|
|
|
function dictGet(dict, key) {
|
|
var k = key.shift()
|
|
|
|
if (!(k in dict))
|
|
return null
|
|
|
|
if (key.length == 0)
|
|
return dict[k]
|
|
|
|
return dictGet(dict[k], key)
|
|
}
|
|
|
|
/* Helpers working with nodes */
|
|
|
|
function offline(d) {
|
|
return !d.flags.online
|
|
}
|
|
|
|
function online(d) {
|
|
return d.flags.online
|
|
}
|
|
|
|
function has_location(d) {
|
|
return "location" in d.nodeinfo
|
|
}
|
|
|
|
function subtract(a, b) {
|
|
var ids = {}
|
|
|
|
b.forEach( function (d) {
|
|
ids[d.nodeinfo.node_id] = true
|
|
})
|
|
|
|
return a.filter( function (d) {
|
|
return !(d.nodeinfo.node_id in ids)
|
|
})
|
|
}
|
|
|
|
/* Helpers working with links */
|
|
|
|
function showDistance(d) {
|
|
if (isNaN(d.distance))
|
|
return
|
|
|
|
return (new Intl.NumberFormat("de-DE", {maximumFractionDigits: 0}).format(d.distance)) + " m"
|
|
}
|
|
|
|
function showTq(d) {
|
|
var opts = { maximumFractionDigits: 0 }
|
|
|
|
return (new Intl.NumberFormat("de-DE", opts).format(100/d.tq)) + "%"
|
|
}
|
|
|
|
function linkId(d) {
|
|
var ids = [d.source.node.nodeinfo.node_id, d.target.node.nodeinfo.node_id]
|
|
|
|
return ids.sort().join("-")
|
|
}
|