@netdata/charts/dist/sdk/parseDOM.js

Netdata frontend SDK and chart utilities

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;
var _objectTransform = require("../helpers/objectTransform");
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; }
var findContainerAncestor = function findContainerAncestor(element) {
  element = element.parentElement;
  while (element) {
    if (element.hasAttribute("data-netdata-wrapper")) return element;
    element = element.parentElement;
  }
};
var parseValue = function parseValue(value) {
  if (!value) return value;
  if (!isNaN(value)) {
    var number = parseFloat(value);
    if (!isNaN(number)) return number;
  }
  if (value === "false") return false;
  if (value === "true") return true;

  // heuristic
  var _value = _slicedToArray(value, 1),
    first = _value[0];
  if (first === "[" || first === "{") {
    try {
      JSON.parse(value);
      // eslint-disable-next-line no-empty
    } catch (e) {}
  }
  return value;
};
var parseTag = function parseTag(element) {
  return element.getAttributeNames().reduce(function (acc, name) {
    var attributeName = (0, _objectTransform.underscoreToCamel)(name.replace(/^data-/g, "").replace(/-/g, "_"));
    acc[attributeName] = parseValue(element.getAttribute(name));
    return acc;
  }, {});
};
var _default = exports["default"] = function _default(sdk) {
  var nodeByElement = new Map();
  var getParent = function getParent(element) {
    var ancestor = findContainerAncestor(element);
    return ancestor ? nodeByElement.get(ancestor) : sdk.getRoot();
  };
  var makeNode = function makeNode(element) {
    var isContainer = element.hasAttribute("data-netdata-wrapper");
    var attributes = parseTag(element);
    var node = isContainer ? sdk.makeContainer({
      attributes: attributes
    }) : sdk.makeChart(attributes);
    nodeByElement.set(element, node);
    return node;
  };
  var elements = _toConsumableArray(document.querySelectorAll("[data-netdata],[data-netdata-wrapper]"));
  elements.forEach(function (element) {
    var parent = getParent(element);
    var node = makeNode(element);
    parent.appendChild(node);
  });
  return {
    elements: elements,
    nodeByElement: nodeByElement
  };
};