@netdata/charts/dist/es6/components/toolbox/settings/pointsToFetch.js

Netdata frontend SDK and chart utilities

function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) return _arrayLikeToArray(r, a); var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
import React, { useState, useEffect, useMemo } from "react";
import { Flex, TextSmall, TextMicro, TextInput } from "@netdata/netdata-ui";
import information from "@netdata/netdata-ui/dist/components/icon/assets/information.svg";
import { useAttributeValue, useChart } from "../../provider";
import { pointMultiplierByChartType } from "../../../sdk/makeChart/api/helpers";
import Tooltip from "../../tooltip";
import Icon from "../../icon";
import { jsx as _jsx, jsxs as _jsxs } from "react/jsx-runtime";
export var useMaxPoints = function useMaxPoints() {
  var after = useAttributeValue("after");
  var before = useAttributeValue("before");
  var updateEvery = useAttributeValue("updateEvery");
  return useMemo(function () {
    if (!updateEvery || updateEvery <= 0) return null;
    var timeRange = after < 0 ? Math.abs(after) : before - after;
    if (timeRange <= 0) return null;
    return Math.floor(timeRange / updateEvery);
  }, [after, before, updateEvery]);
};
export var usePointsExceedsMax = function usePointsExceedsMax() {
  var points = useAttributeValue("points");
  var maxPoints = useMaxPoints();
  return maxPoints !== null && points !== null && points > maxPoints;
};
var useAutoPoints = function useAutoPoints() {
  var containerWidth = useAttributeValue("containerWidth");
  var pixelsPerPoint = useAttributeValue("pixelsPerPoint") || 3;
  var chartType = useAttributeValue("chartType");
  var chartLibrary = useAttributeValue("chartLibrary");
  return useMemo(function () {
    if (!containerWidth) return null;
    var multiplier = pointMultiplierByChartType[chartType] || pointMultiplierByChartType[chartLibrary] || pointMultiplierByChartType["default"];
    var points = Math.round(containerWidth / pixelsPerPoint * multiplier);
    if (isNaN(points)) return null;
    return points;
  }, [containerWidth, pixelsPerPoint, chartType, chartLibrary]);
};
var PointsToFetch = function PointsToFetch() {
  var chart = useChart();
  var pointsAttr = useAttributeValue("points");
  var _useState = useState(pointsAttr !== null && pointsAttr !== void 0 ? pointsAttr : ""),
    _useState2 = _slicedToArray(_useState, 2),
    pointsValue = _useState2[0],
    setPointsValue = _useState2[1];
  var autoPoints = useAutoPoints();
  var updateEvery = useAttributeValue("updateEvery");
  var maxPoints = useMaxPoints();
  var exceedsMax = maxPoints !== null && pointsValue !== "" && Number(pointsValue) > maxPoints;
  useEffect(function () {
    setPointsValue(pointsAttr !== null && pointsAttr !== void 0 ? pointsAttr : "");
  }, [pointsAttr]);
  var handleChange = function handleChange(e) {
    var value = e.target.value;
    setPointsValue(value);
    var points = value === "" ? null : Number(value);
    chart.updateAttributes({
      points: points
    });
    chart.trigger("fetch", {
      processing: true
    });
  };
  var placeholder = autoPoints ? "Auto (".concat(autoPoints, " data points)") : "Auto";
  return /*#__PURE__*/_jsxs(Flex, {
    column: true,
    gap: 2,
    children: [/*#__PURE__*/_jsxs(Flex, {
      alignItems: "center",
      gap: 1,
      children: [/*#__PURE__*/_jsx(TextSmall, {
        strong: true,
        children: "Data resolution"
      }), /*#__PURE__*/_jsx(Tooltip, {
        content: "Number of data points to fetch from the server. Higher values provide more detail but may impact performance. Auto calculates optimal points based on chart width.",
        children: /*#__PURE__*/_jsx(Icon, {
          svg: information,
          size: "12px",
          color: "textLite"
        })
      })]
    }), /*#__PURE__*/_jsxs(Flex, {
      column: true,
      gap: 1,
      children: [/*#__PURE__*/_jsx(TextInput, {
        type: "number",
        value: pointsValue,
        onChange: handleChange,
        placeholder: placeholder,
        min: "1"
      }), exceedsMax && /*#__PURE__*/_jsxs(TextMicro, {
        color: "warningText",
        children: ["Exceeds max ", maxPoints, " points for current time range (", updateEvery, "s interval)"]
      })]
    })]
  });
};
export default PointsToFetch;