@netdata/charts
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Netdata frontend SDK and chart utilities
179 lines (178 loc) • 14.5 kB
JavaScript
;
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Object.defineProperty(exports, "__esModule", {
value: true
});
exports.normalizeComparisonPayload = exports.getMainPeriodPayload = exports.getCurrentTimeRange = exports.getComparisonPeriods = exports.fetchComparisonData = void 0;
var _getPointValue = require("../../../sdk/makeChart/getPointValue");
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function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
var comparisonRequests = new WeakMap();
var syntheticLabels = ["ANOMALY_RATE", "ANNOTATIONS"];
var getCurrentTimeRange = exports.getCurrentTimeRange = function getCurrentTimeRange(chart) {
var _chart$getDateWindow = chart.getDateWindow(),
_chart$getDateWindow2 = _slicedToArray(_chart$getDateWindow, 2),
after = _chart$getDateWindow2[0],
before = _chart$getDateWindow2[1];
return {
after: Math.floor(after / 1000),
before: Math.floor(before / 1000)
};
};
var getComparisonPeriods = exports.getComparisonPeriods = function getComparisonPeriods(_ref) {
var after = _ref.after,
before = _ref.before;
var customPeriods = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];
var basePeriod = {
id: "selected",
label: "Selected timeframe",
after: after,
before: before,
isBase: true
};
var comparisonPeriods = customPeriods.map(function (period) {
return _objectSpread(_objectSpread({}, period), {}, {
after: after - period.offsetSeconds,
before: before - period.offsetSeconds
});
});
return [basePeriod].concat(_toConsumableArray(comparisonPeriods));
};
var getComparisonValue = function getComparisonValue(cell, point) {
var value = (0, _getPointValue.getPointValue)(cell, point);
if (typeof value === "undefined") throw new Error("Invalid comparison data point");
if (value !== null && typeof value !== "number") throw new Error("Invalid comparison data value");
return value;
};
var normalizeComparisonPayload = exports.normalizeComparisonPayload = function normalizeComparisonPayload(rawPayload) {
var result = rawPayload === null || rawPayload === void 0 ? void 0 : rawPayload.result;
var view = rawPayload === null || rawPayload === void 0 ? void 0 : rawPayload.view;
if (!result || !Array.isArray(result.labels) || !Array.isArray(result.data)) throw new Error("Invalid comparison response");
var labels = result.labels;
var missingSyntheticLabels = syntheticLabels.filter(function (label) {
return !labels.includes(label);
});
var data = result.data.map(function (row) {
if (!Array.isArray(row) || row.length !== labels.length || typeof row[0] !== "number") throw new Error("Invalid comparison data row");
var normalizedRow = new Array(labels.length + missingSyntheticLabels.length);
normalizedRow[0] = row[0];
for (var index = 1; index < labels.length; index++) normalizedRow[index] = getComparisonValue(row[index], result.point);
normalizedRow.fill(null, labels.length);
return normalizedRow;
});
return {
labels: [].concat(_toConsumableArray(labels), _toConsumableArray(missingSyntheticLabels)),
data: data,
viewUpdateEvery: view === null || view === void 0 ? void 0 : view.update_every
};
};
var getMainPeriodPayload = exports.getMainPeriodPayload = function getMainPeriodPayload(chart) {
if (!chart.getAttribute("loaded")) return null;
return _objectSpread(_objectSpread({}, chart.getPayload()), {}, {
viewUpdateEvery: chart.getAttribute("viewUpdateEvery", 1)
});
};
var isSameBatch = function isSameBatch(request, sourcePayload, viewUpdateEvery, periodsKey) {
return (request === null || request === void 0 ? void 0 : request.sourcePayload) === sourcePayload && request.viewUpdateEvery === viewUpdateEvery && request.periodsKey === periodsKey;
};
var fetchPeriod = /*#__PURE__*/function () {
var _ref2 = _asyncToGenerator(/*#__PURE__*/_regenerator().m(function _callee(chart, period, controller) {
var rawPayload, _t;
return _regenerator().w(function (_context) {
while (1) switch (_context.p = _context.n) {
case 0:
_context.p = 0;
_context.n = 1;
return chart.getChart(chart, {
attrs: {
after: period.after,
before: period.before
},
signal: controller.signal
});
case 1:
rawPayload = _context.v;
return _context.a(2, _objectSpread(_objectSpread({}, period), {}, {
payload: normalizeComparisonPayload(rawPayload),
error: null
}));
case 2:
_context.p = 2;
_t = _context.v;
if (!(_t.name === "AbortError")) {
_context.n = 3;
break;
}
throw _t;
case 3:
return _context.a(2, _objectSpread(_objectSpread({}, period), {}, {
payload: null,
error: _t.message || "Failed to load comparison period"
}));
}
}, _callee, null, [[0, 2]]);
}));
return function fetchPeriod(_x, _x2, _x3) {
return _ref2.apply(this, arguments);
};
}();
var fetchComparisonData = exports.fetchComparisonData = function fetchComparisonData(chart) {
var mainPayload = getMainPeriodPayload(chart);
if (!mainPayload) return Promise.resolve([]);
var sourcePayload = chart.getPayload();
var viewUpdateEvery = chart.getAttribute("viewUpdateEvery", 1);
var periods = getComparisonPeriods(getCurrentTimeRange(chart), chart.getAttribute("customPeriods", []));
var periodsKey = JSON.stringify(periods);
var activeRequest = comparisonRequests.get(chart);
if (isSameBatch(activeRequest, sourcePayload, viewUpdateEvery, periodsKey)) return activeRequest.promise;
activeRequest === null || activeRequest === void 0 || activeRequest.controller.abort();
var controller = new AbortController();
var request = {
controller: controller,
sourcePayload: sourcePayload,
viewUpdateEvery: viewUpdateEvery,
periodsKey: periodsKey,
promise: null
};
chart.updateAttribute("compareLoading", true);
chart.updateAttribute("compareError", null);
request.promise = Promise.all(periods.slice(1).map(function (period) {
return fetchPeriod(chart, period, controller);
})).then(function (historicalPeriods) {
var results = [_objectSpread(_objectSpread({}, periods[0]), {}, {
payload: mainPayload,
error: null
})].concat(_toConsumableArray(historicalPeriods));
if (comparisonRequests.get(chart) === request) {
chart.updateAttribute("comparePeriods", results);
chart.updateAttribute("compareLoading", false);
}
return results;
})["catch"](function (error) {
if (error.name === "AbortError" || comparisonRequests.get(chart) !== request) return [];
chart.updateAttribute("compareError", error.message);
chart.updateAttribute("compareLoading", false);
throw error;
})["finally"](function () {
if (comparisonRequests.get(chart) === request) comparisonRequests["delete"](chart);
});
comparisonRequests.set(chart, request);
return request.promise;
};