@netdata/charts/dist/components/toolbox/download.js

Netdata frontend SDK and chart utilities

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
var _react = _interopRequireWildcard(require("react"));
var _netdataUi = require("@netdata/netdata-ui");
var _html2canvas = _interopRequireDefault(require("html2canvas"));
var _jspdf = _interopRequireDefault(require("jspdf"));
var _download = _interopRequireDefault(require("@netdata/netdata-ui/dist/components/icon/assets/download.svg"));
var _icon = _interopRequireWildcard(require("../icon"));
var _provider = require("../provider");
var _jsxRuntime = require("react/jsx-runtime");
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var formatValue = function formatValue(value) {
  if (value === null || value === undefined) return "-";
  if (_typeof(value) === "object") return JSON.stringify(value);
  return value;
};
var convertToCSV = function convertToCSV(data) {
  return data.reduce(function (h, row) {
    return h + row.map(formatValue).join(",") + "\n";
  }, "");
};
var labelTexts = {
  time: "timestamp",
  ANOMALY_RATE: "anomaly%",
  ANNOTATIONS: "annotations"
};
var hideUnits = {
  time: true,
  ANOMALY_RATE: true,
  ANNOTATIONS: true
};
var useDownloadCsv = function useDownloadCsv(chart) {
  var type = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : "raw";
  return function () {
    var shouldConvert = type === "converted";
    var _chart$getPayload = chart.getPayload(),
      data = _chart$getPayload.data,
      labels = _chart$getPayload.labels;
    var tableData = [labels.map(function (l) {
      return hideUnits[l] ? labelTexts[l] || l : "".concat(labelTexts[l] || l, " (").concat(chart.getUnitSign({
        key: "units",
        dimensionId: l,
        withoutConversion: !shouldConvert
      }), ")");
    })];
    data.forEach(function (row) {
      tableData.push(labels.map(function (l, index) {
        return shouldConvert ? index === 0 ? chart.formatTime(row[index]) : chart.getConvertedValue(row[index], {
          dimensionId: l
        }) : row[index];
      }));
    });
    var url = window.URL.createObjectURL(new Blob([convertToCSV(tableData)], {
      type: "text/csv;charset=utf-8;"
    }));
    var link = document.createElement("a");
    link.href = url;
    var filename = "".concat(chart.getAttribute("name") || chart.getAttribute("contextScope").join("-").replace(".", "_"), "-").concat(type, ".csv");
    link.setAttribute("download", filename);
    document.body.appendChild(link);
    link.click();
    link.remove();
  };
};
var useDownloadImage = function useDownloadImage(chart) {
  var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
    uiName = _ref.uiName,
    _ref$type = _ref.type,
    type = _ref$type === void 0 ? "pdf" : _ref$type;
  return /*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regeneratorRuntime().mark(function _callee() {
    var element, rect, filename, canvas, imgData, blob, blobUrl, link, isLandscape, pdf, pageWidth, pageHeight, imgWidth, imgHeight, pxToMm, imgWidthMm, imgHeightMm, scale, displayWidth, displayHeight;
    return _regeneratorRuntime().wrap(function _callee$(_context) {
      while (1) switch (_context.prev = _context.next) {
        case 0:
          element = chart.getUI(uiName).getElement();
          if (element.closest("[data-type='chart']")) {
            element = element.closest("[data-type='chart']");
          }
          if (element) {
            _context.next = 4;
            break;
          }
          return _context.abrupt("return");
        case 4:
          // Check if target element has size
          rect = element.getBoundingClientRect();
          if (!(rect.width === 0 || rect.height === 0)) {
            _context.next = 7;
            break;
          }
          return _context.abrupt("return");
        case 7:
          // Optional: log any images that might cause CORS problems
          document.querySelectorAll("img").forEach(function (img) {
            var src = img.currentSrc || img.src;
            try {
              var url = new URL(src);
              if (url.origin !== window.location.origin) return;
            } catch (_unused) {
              return;
            }
          });
          filename = "".concat(chart.getAttribute("name") || chart.getAttribute("contextScope").join("-").replace(".", "_"));
          _context.prev = 9;
          _context.next = 12;
          return (0, _html2canvas["default"])(element, {
            useCORS: true,
            foreignObjectRendering: true,
            width: element.scrollWidth,
            height: element.scrollHeight,
            scale: 2,
            backgroundColor: chart.getThemeAttribute("themeBackground"),
            ignoreElements: function ignoreElements(el) {
              return el.hasAttribute("data-noprint");
            }
          });
        case 12:
          canvas = _context.sent;
          imgData = canvas.toDataURL("image/png");
          if (!(type === "png")) {
            _context.next = 30;
            break;
          }
          _context.next = 17;
          return fetch(imgData);
        case 17:
          _context.next = 19;
          return _context.sent.blob();
        case 19:
          blob = _context.sent;
          blobUrl = URL.createObjectURL(blob);
          link = document.createElement("a");
          link.href = blobUrl;
          link.download = "".concat(filename || "print", ".png");
          document.body.appendChild(link);
          link.click();
          document.body.removeChild(link);
          URL.revokeObjectURL(blobUrl);
          _context.next = 44;
          break;
        case 30:
          isLandscape = element.scrollWidth > element.scrollHeight;
          pdf = new _jspdf["default"]({
            orientation: isLandscape ? "landscape" : "portrait",
            unit: "mm",
            format: "a4"
          });
          pageWidth = pdf.internal.pageSize.getWidth();
          pageHeight = pdf.internal.pageSize.getHeight();
          imgWidth = canvas.width;
          imgHeight = canvas.height;
          pxToMm = function pxToMm(px) {
            return px * 0.2645833333;
          };
          imgWidthMm = pxToMm(imgWidth);
          imgHeightMm = pxToMm(imgHeight);
          scale = Math.min(pageWidth / imgWidthMm, pageHeight / imgHeightMm);
          displayWidth = imgWidthMm * scale;
          displayHeight = imgHeightMm * scale;
          pdf.addImage(imgData, "PNG", 0, 0, displayWidth, displayHeight);
          pdf.save("".concat(filename || "print", ".pdf"));
        case 44:
          _context.next = 49;
          break;
        case 46:
          _context.prev = 46;
          _context.t0 = _context["catch"](9);
          return _context.abrupt("return");
        case 49:
        case "end":
          return _context.stop();
      }
    }, _callee, null, [[9, 46]]);
  }));
};
var useItems = function useItems(chart) {
  var downloadRawCsv = useDownloadCsv(chart);
  var downloadCsv = useDownloadCsv(chart, "converted");
  var downloadPdf = useDownloadImage(chart);
  var downloadPng = useDownloadImage(chart, {
    type: "png"
  });
  return (0, _react.useMemo)(function () {
    return [{
      onClick: downloadCsv,
      label: "Download as CSV",
      "data-track": chart.track("download-csv")
    }, {
      onClick: downloadRawCsv,
      label: "Download raw data",
      "data-track": chart.track("download-raw-csv")
    }, {
      onClick: downloadPdf,
      label: "Download as PDF",
      "data-track": chart.track("download-pdf")
    }, {
      onClick: downloadPng,
      label: "Download as PNG",
      "data-track": chart.track("download-png")
    }];
  }, [chart, chart.getHeatmapType()]);
};
var Download = function Download(_ref3) {
  var disabled = _ref3.disabled;
  var chart = (0, _provider.useChart)();
  var items = useItems(chart);
  return /*#__PURE__*/(0, _jsxRuntime.jsx)(_netdataUi.Menu, {
    items: items,
    dropProps: {
      align: {
        top: "bottom",
        right: "right"
      },
      "data-toolbox": chart.getId()
    },
    dropdownProps: {
      width: "130px"
    },
    "data-track": chart.track("download-chart"),
    children: /*#__PURE__*/(0, _jsxRuntime.jsx)(_icon.Button, {
      icon: /*#__PURE__*/(0, _jsxRuntime.jsx)(_icon["default"], {
        svg: _download["default"],
        size: "14px"
      }),
      title: "Download",
      disabled: disabled,
      "data-testid": "chartHeaderToolbox-download"
    })
  });
};
var _default = exports["default"] = /*#__PURE__*/(0, _react.memo)(Download);