import {
  insertEdge,
  insertEdgeLabel,
  markers_default,
  positionEdgeLabel
} from "./chunk-LMNIJLJF.js";
import {
  insertCluster,
  insertNode,
  labelHelper
} from "./chunk-POGYG5DQ.js";
import {
  interpolateToCurve
} from "./chunk-GUBXVVWZ.js";
import {
  common_default,
  getConfig
} from "./chunk-6YWVU24R.js";
import {
  __name,
  log
} from "./chunk-XOKMXDAB.js";

// node_modules/mermaid/dist/chunks/mermaid.core/chunk-336JU56O.mjs
var internalHelpers = {
  common: common_default,
  getConfig,
  insertCluster,
  insertEdge,
  insertEdgeLabel,
  insertMarkers: markers_default,
  insertNode,
  interpolateToCurve,
  labelHelper,
  log,
  positionEdgeLabel
};
var layoutAlgorithms = {};
var registerLayoutLoaders = __name((loaders) => {
  for (const loader of loaders) {
    layoutAlgorithms[loader.name] = loader;
  }
}, "registerLayoutLoaders");
var registerDefaultLayoutLoaders = __name(() => {
  registerLayoutLoaders([
    {
      name: "dagre",
      loader: __name(async () => await import("./dagre-KV5264BT-2SB4YWJ2.js"), "loader")
    },
    ...true ? [
      {
        name: "cose-bilkent",
        loader: __name(async () => await import("./cose-bilkent-S5V4N54A-ZC3OT2QD.js"), "loader")
      }
    ] : []
  ]);
}, "registerDefaultLayoutLoaders");
registerDefaultLayoutLoaders();
var render = __name(async (data4Layout, svg) => {
  if (!(data4Layout.layoutAlgorithm in layoutAlgorithms)) {
    throw new Error(`Unknown layout algorithm: ${data4Layout.layoutAlgorithm}`);
  }
  if (data4Layout.diagramId) {
    for (const node of data4Layout.nodes) {
      const originalDomId = node.domId || node.id;
      node.domId = `${data4Layout.diagramId}-${originalDomId}`;
    }
  }
  const layoutDefinition = layoutAlgorithms[data4Layout.layoutAlgorithm];
  const layoutRenderer = await layoutDefinition.loader();
  const { theme, themeVariables } = data4Layout.config;
  const { useGradient, gradientStart, gradientStop } = themeVariables;
  const svgId = svg.attr("id");
  svg.append("defs").append("filter").attr("id", `${svgId}-drop-shadow`).attr("height", "130%").attr("width", "130%").append("feDropShadow").attr("dx", "4").attr("dy", "4").attr("stdDeviation", 0).attr("flood-opacity", "0.06").attr("flood-color", `${(theme == null ? void 0 : theme.includes("dark")) ? "#FFFFFF" : "#000000"}`);
  svg.append("defs").append("filter").attr("id", `${svgId}-drop-shadow-small`).attr("height", "150%").attr("width", "150%").append("feDropShadow").attr("dx", "2").attr("dy", "2").attr("stdDeviation", 0).attr("flood-opacity", "0.06").attr("flood-color", `${(theme == null ? void 0 : theme.includes("dark")) ? "#FFFFFF" : "#000000"}`);
  if (useGradient) {
    const gradient = svg.append("linearGradient").attr("id", svg.attr("id") + "-gradient").attr("gradientUnits", "objectBoundingBox").attr("x1", "0%").attr("y1", "0%").attr("x2", "100%").attr("y2", "0%");
    gradient.append("svg:stop").attr("offset", "0%").attr("stop-color", gradientStart).attr("stop-opacity", 1);
    gradient.append("svg:stop").attr("offset", "100%").attr("stop-color", gradientStop).attr("stop-opacity", 1);
  }
  return layoutRenderer.render(data4Layout, svg, internalHelpers, {
    algorithm: layoutDefinition.algorithm
  });
}, "render");
var getRegisteredLayoutAlgorithm = __name((algorithm = "", { fallback = "dagre" } = {}) => {
  if (algorithm in layoutAlgorithms) {
    return algorithm;
  }
  if (fallback in layoutAlgorithms) {
    log.warn(`Layout algorithm ${algorithm} is not registered. Using ${fallback} as fallback.`);
    return fallback;
  }
  throw new Error(`Both layout algorithms ${algorithm} and ${fallback} are not registered.`);
}, "getRegisteredLayoutAlgorithm");

export {
  registerLayoutLoaders,
  render,
  getRegisteredLayoutAlgorithm
};
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