@netdata/charts
Version:
Netdata frontend SDK and chart utilities
95 lines • 5.58 kB
JavaScript
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function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
function _defineProperty(e, r, t) { return (r = _toPropertyKey(r)) in e ? Object.defineProperty(e, r, { value: t, enumerable: !0, configurable: !0, writable: !0 }) : e[r] = t, e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); }
import { calculateAllStats } from "../../../helpers/statistics";
export var calculateStats = function calculateStats(payload) {
var _payload$data, _filteredData$;
var highlightRange = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
if (!(payload !== null && payload !== void 0 && (_payload$data = payload.data) !== null && _payload$data !== void 0 && _payload$data.length)) return null;
var data = payload.data,
_payload$viewUpdateEv = payload.viewUpdateEvery,
viewUpdateEvery = _payload$viewUpdateEv === void 0 ? 1 : _payload$viewUpdateEv;
var filteredData = highlightRange ? data.filter(function (row) {
var timestamp = row[0];
var highlightStart = highlightRange[0] * 1000;
var highlightEnd = highlightRange[1] * 1000;
return timestamp >= highlightStart && timestamp <= highlightEnd;
}) : data;
if (!filteredData.length) return null;
var values = filteredData.reduce(function (acc, row) {
var dims = row.slice(1).filter(function (val) {
return val !== null && !isNaN(val) && isFinite(val);
});
if (dims.length) acc.push(dims.reduce(function (a, b) {
return a + Math.abs(b);
}, 0));
return acc;
}, []);
if (!values.length) return null;
var dimensions = ((_filteredData$ = filteredData[0]) === null || _filteredData$ === void 0 ? void 0 : _filteredData$.length) - 1 || 0;
var stats = calculateAllStats(values, values.length, viewUpdateEvery);
return _objectSpread(_objectSpread({}, stats), {}, {
points: filteredData.length,
dimensions: dimensions
});
};
export var calculatePercentageChange = function calculatePercentageChange(current, base) {
if (current == null || base == null) return null;
if (base === 0) {
return {
value: 0,
direction: "neutral",
formatted: "0.0%"
};
}
var change = (current - base) / Math.abs(base) * 100;
return {
value: Math.abs(change),
direction: !change ? "neutral" : change > 0 ? "up" : "down",
formatted: "".concat(Math.abs(change).toFixed(1), "%")
};
};
var SYNTHETIC_LABELS = new Set(["ANOMALY_RATE", "ANNOTATIONS"]);
export var extractDimensionValues = function extractDimensionValues(payload) {
var _payload$data2;
var rowIndex = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : -1;
if (!(payload !== null && payload !== void 0 && (_payload$data2 = payload.data) !== null && _payload$data2 !== void 0 && _payload$data2.length) || !Array.isArray(payload.labels)) return null;
var data = payload.data,
labels = payload.labels;
var idx = rowIndex < 0 ? data.length + rowIndex : rowIndex;
var row = data[idx];
if (!row) return null;
var bag = {};
for (var i = 1; i < labels.length; i++) {
var label = labels[i];
if (SYNTHETIC_LABELS.has(label)) continue;
var value = row[i];
if (value == null) continue;
bag[label] = Number(value) || 0;
}
return bag;
};
export var calculateComparisons = function calculateComparisons(periods) {
var base = periods.find(function (p) {
return p.isBase;
});
if (!(base !== null && base !== void 0 && base.stats)) return periods;
return periods.map(function (period) {
if (period.isBase || !period.stats) return period;
return _objectSpread(_objectSpread({}, period), {}, {
changes: {
min: calculatePercentageChange(period.stats.min, base.stats.min),
avg: calculatePercentageChange(period.stats.avg, base.stats.avg),
max: calculatePercentageChange(period.stats.max, base.stats.max),
median: calculatePercentageChange(period.stats.median, base.stats.median),
stddev: calculatePercentageChange(period.stats.stddev, base.stats.stddev),
p95: calculatePercentageChange(period.stats.p95, base.stats.p95),
range: calculatePercentageChange(period.stats.range, base.stats.range),
volume: calculatePercentageChange(period.stats.volume, base.stats.volume)
}
});
});
};