@netdata/charts/dist/es6/chartLibraries/dygraph/tickers/heatmap.js

Netdata frontend SDK and chart utilities

function _toConsumableArray(r) { return _arrayWithoutHoles(r) || _iterableToArray(r) || _unsupportedIterableToArray(r) || _nonIterableSpread(); }
function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
function _iterableToArray(r) { if ("undefined" != typeof Symbol && null != r[Symbol.iterator] || null != r["@@iterator"]) return Array.from(r); }
function _arrayWithoutHoles(r) { if (Array.isArray(r)) return _arrayLikeToArray(r); }
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$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } }
function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) n[e] = r[e]; return n; }
function _iterableToArrayLimit(r, l) { var t = null == r ? null : "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (null != t) { var e, n, i, u, a = [], f = !0, o = !1; try { if (i = (t = t.call(r)).next, 0 === l) { if (Object(t) !== t) return; f = !1; } else for (; !(f = (e = i.call(t)).done) && (a.push(e.value), a.length !== l); f = !0); } catch (r) { o = !0, n = r; } finally { try { if (!f && null != t["return"] && (u = t["return"](), Object(u) !== u)) return; } finally { if (o) throw n; } } return a; } }
function _arrayWithHoles(r) { if (Array.isArray(r)) return r; }
import { withoutPrefix } from "../../../helpers/heatmap";
export default (function (a, b, pixels, opts, dygraph, vals) {
  var _ref = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : {},
    defaultLabels = _ref.labels;
  var labels = defaultLabels.map(withoutPrefix);
  var pixelsPerTick = opts("pixelsPerLabel");
  var maxTicks = Math.floor(pixels / pixelsPerTick);
  var formatLabel = opts("axisLabelFormatter");
  var hiddenStep = Math.ceil(defaultLabels.length / (maxTicks - 1));
  var ticks = labels.map(function (l, i) {
    return {
      v: i,
      label: i % hiddenStep === 0 ? formatLabel(labels[i], 0, opts, dygraph) : null
    };
  });
  var _dygraph$yAxisRange = dygraph.yAxisRange(0),
    _dygraph$yAxisRange2 = _slicedToArray(_dygraph$yAxisRange, 2),
    min = _dygraph$yAxisRange2[0],
    max = _dygraph$yAxisRange2[1];
  var pointHeight = (max - min) / 15 / dygraph.getArea().h;
  return [{
    label_v: max - pointHeight
  }].concat(_toConsumableArray(ticks), [{
    label_v: min + pointHeight
  }]);
});