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shredder.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Shredder</title>
<link rel="stylesheet" href="shredder.css">
<link rel="shortcut icon" type="image/png" href="shredder-favicon.png">
<script src="lib/json2csv.js"></script>
<script src="lib/lodash.min.js"></script>
<script src="lib/faa-grp.js"></script>
<script src="lib/atlas-grp.js"></script>
<script src="lib/avianis-grp.js"></script>
<script src="lib/console.js"></script>
<script>
/*
* Shreds fleets and returns the shreds
*
* @param aircraft has arbitrary shape but should contain a tail number
* @param fleet = {
* aircraft: array of aircraft json objects,
* matchProp: tail number property name in aircraft
* }
*
*/
// filters `fleet` by `matchProp` values of `xFleet`
function match(fleet, xFleet) {
let matches = [];
const matchProp = fleet.matchProp;
const xMatch = _.map(xFleet.collection, xFleet.matchProp);
xMatch.forEach (matchVal => {matches
.push(_.filter(fleet.collection, _.matches({[matchProp]: matchVal})))
});
// flatten and remove falsy
matches = _.compact(matches.flat());
return matches;
}
// wraps an array of `aircraft` with `fleet` adapter
function wrap(aircraft, fleet) {
return result = {
collection: aircraft,
matchProp: fleet.matchProp
}
}
// splits `fleet` by `matchProp` values of `xFleet` into matches and diffs
// matches and diffs json are wrapped with `fleet` shape
// csv is also provided
function split(fleet, xFleet) {
const aircraft = fleet.collection;
let result;
let matches = match(fleet, xFleet);
if (matches.length > 0) {
result = {
matchesJson: wrap(matches, fleet),
matchesCsv: csv(matches)
}
}
let diffs = _.difference(aircraft, matches);
if ( diffs.length > 0) {
result = {...result,
diffsJson: wrap(diffs, fleet),
diffsCsv: csv(diffs)
}
}
return result;
}
function csv(val) {
return json2csv.parse(val);
}
function display(id, val) {
const ele = document.getElementById(id);
ele.innerHTML = csv(val);
ele.after(`rows: ${val.collection.length}`);
}
// laziness
const s = split.bind(split);
const w = wrap.bind(wrap);
const fa = faa;
const at = atlas;
const av = avianis;
</script>
</head>
<body>
<div class="title">
<img src="shredder.png" alt="">
<h1>Shredder</h1>
</div>
<hr>
<div class="instruction">
<ul>
<li>Splits, matches, or diffs two arbitrary arrays of json objects by specifying the key name to match from in each set</li>
<li>Sample datasets are in lib/</li>
<li>👉 Shred even harder in the JavaScript console 👈</li>
</ul>
</div>
<div class="container">
<div class="faa">
<h2>FAA ∩ Atlas</h2>
<textarea id="faa-atlas-grp"></textarea>
/ Tails in FAA also in Atlas
<hr>
<h2>FAA ∆ Atlas</h2>
<textarea id="faa-atlas-diff"></textarea>
/ Tails in FAA not in Atlas
<hr>
<h2>FAA ∩ Avianis</h2>
<textarea id="faa-avianis-grp"></textarea>
/ Tails in FAA also in Avianis
<hr>
<h2>FAA ∆ Avianis</h2>
<textarea id="faa-avianis-diff"></textarea>
/ Tails in FAA not in Avianis
</div>
<div class="atlas">
<h2>Atlas ∩ FAA</h2>
<textarea id="atlas-grp"></textarea>
/ Tails in Atlas also in FAA
<hr>
<h2>Atlas ∆ FAA</h2>
<textarea id="atlas-diff"></textarea>
/ Tails in Atlas not in FAA
</div>
<div class="avianis">
<h2>Avianis ∩ FAA</h2>
<textarea id="avianis-grp"></textarea>
/ Tails in Avianis also in FAA
<hr>
<h2>Avianis ∆ FAA</h2>
<textarea id="avianis-diff"></textarea>
/ Tails in Avianis not in FAA
</div>
</div>
<hr>
<script>
let tmp = split(faa, atlas);
display('faa-atlas-grp', tmp.matchesJson);
display('faa-atlas-diff', tmp.diffsJson);
tmp = split(faa, avianis);
display('faa-avianis-grp', tmp.matchesJson);
display('faa-avianis-diff', tmp.diffsJson);
tmp = split(atlas, faa);
display('atlas-grp', tmp.matchesJson);
display('atlas-diff', tmp.diffsJson);
tmp = split(avianis, faa);
display('avianis-grp', tmp.matchesJson);
display('avianis-diff', tmp.diffsJson);
</script>
</body>
</html>