@netdata/charts/dist/chartLibraries/easyPie/index.js

Netdata frontend SDK and chart utilities

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
var _easyPieChart = _interopRequireDefault(require("easy-pie-chart"));
var _makeChartUI = _interopRequireDefault(require("../../sdk/makeChartUI"));
var _makeListeners = require("../../helpers/makeListeners");
var _makeResizeObserver = _interopRequireDefault(require("../../helpers/makeResizeObserver"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _slicedToArray(r, e) { return _arrayWithHoles(r) || _iterableToArrayLimit(r, e) || _unsupportedIterableToArray(r, e) || _nonIterableRest(); }
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 _toArray(r) { return _arrayWithHoles(r) || _iterableToArray(r) || _unsupportedIterableToArray(r) || _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 _iterableToArray(r) { if ("undefined" != typeof Symbol && null != r[Symbol.iterator] || null != r["@@iterator"]) return Array.from(r); }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
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); }
var _default = exports["default"] = function _default(sdk, chart) {
  var chartUI = (0, _makeChartUI["default"])(sdk, chart);
  var easyPie = null;
  var listeners;
  var resizeObserver;
  var prevMin;
  var prevMax;
  var mount = function mount(element) {
    if (easyPie) return;
    chartUI.mount(element);
    var theme = chart.getAttribute("theme");
    element.classList.add(theme);
    var _chart$getAttributes = chart.getAttributes(),
      loaded = _chart$getAttributes.loaded;
    var makeEasyPie = function makeEasyPie() {
      easyPie = new _easyPieChart["default"](element, _objectSpread(_objectSpread({
        barColor: chart.selectDimensionColor(),
        animate: false
      }, makeThemingOptions()), makeDimensionOptions()));
    };
    makeEasyPie();
    var reMake = function reMake() {
      var canvas = easyPie.renderer.getCanvas();
      easyPie.renderer.clear();
      element.removeChild(canvas);
      makeEasyPie();
    };
    resizeObserver = (0, _makeResizeObserver["default"])(element, function () {
      reMake();
      chartUI.trigger("resize");
    }, function () {
      return chartUI.trigger("resize");
    });
    listeners = (0, _makeListeners.unregister)(chart.onAttributeChange("hoverX", function (hoverX, prevHoverX) {
      if (Boolean(prevHoverX) !== Boolean(hoverX)) {
        if (hoverX) easyPie.disableAnimation();else easyPie.enableAnimation();
      }
      render();
    }), !loaded && chart.onceAttributeChange("loaded", render), chart.onAttributeChange("theme", reMake));
    render();
  };
  var makeThemingOptions = function makeThemingOptions() {
    return {
      trackColor: chart.getThemeAttribute("themeEasyPieTrackColor"),
      scaleColor: chart.getThemeAttribute("themeEasyPieScaleColor")
    };
  };
  var makeDimensionOptions = function makeDimensionOptions() {
    var _chartUI$getElement = chartUI.getElement(),
      clientWidth = _chartUI$getElement.clientWidth,
      clientHeight = _chartUI$getElement.clientHeight;
    var size = clientWidth < clientHeight ? clientWidth : clientHeight;
    var multiplier = size / 22;
    return {
      lineWidth: multiplier < 4 ? 2 : Math.floor(multiplier),
      size: size < 20 ? 20 : size,
      scaleLength: multiplier < 4 ? 2 : Math.floor(multiplier)
    };
  };
  var getMinMax = function getMinMax() {
    return chart.getAttribute("getValueRange")(chart);
  };
  var render = function render() {
    chartUI.render();
    var _chart$getAttributes2 = chart.getAttributes(),
      hoverX = _chart$getAttributes2.hoverX,
      loaded = _chart$getAttributes2.loaded;
    if (!easyPie || !loaded) return;
    var _chart$getPayload = chart.getPayload(),
      data = _chart$getPayload.data;
    if ((data === null || data === void 0 ? void 0 : data.length) === undefined) return;
    var row = hoverX ? chart.getClosestRow(hoverX[0]) : data.length - 1;
    var rowData = data[row];
    if (!Array.isArray(rowData)) return;
    var _rowData = _toArray(rowData),
      rows = _arrayLikeToArray(_rowData).slice(1);
    var value = rows.reduce(function (acc) {
      var v = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
      return acc + v;
    }, 0);
    var _getMinMax = getMinMax(),
      _getMinMax2 = _slicedToArray(_getMinMax, 2),
      min = _getMinMax2[0],
      max = _getMinMax2[1];
    chartUI.render();
    var percentage = (value - min) / (max - min) * 100;
    easyPie.update(percentage);
    if (min !== prevMin || max !== prevMax) {
      chart.trigger("yAxisChange", min, max);
    }
    prevMin = min;
    prevMax = max;
    chartUI.trigger("rendered");
  };
  var unmount = function unmount() {
    if (listeners) listeners();
    if (resizeObserver) resizeObserver();
    if (easyPie) {
      easyPie.renderer.clear();
      easyPie = null;
    }
    prevMin = null;
    prevMax = null;
    chartUI.unmount();
  };
  var instance = _objectSpread(_objectSpread({}, chartUI), {}, {
    mount: mount,
    unmount: unmount,
    render: render
  });
  return instance;
};