mermaid/dist/chunks/mermaid.esm.min/sizeCapture-5GORAGP4.mjs.map

Markdown-ish syntax for generating flowcharts, mindmaps, sequence diagrams, class diagrams, gantt charts, git graphs and more.

{
  "version": 3,
  "sources": ["../../../src/rendering-util/layout-algorithms/ddlt/sizeCapture.ts"],
  "sourcesContent": ["import type { Selection } from 'd3';\nimport type { LayoutData } from '../../types.js';\nimport { DDLT_SIZE_CAPTURE_VERSION } from './captureContract.js';\n\n// \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n// DDLT size capture (dev / test tooling \u2014 NOT part of production rendering)\n//\n// This module is dynamically imported by createGraphWithElements ONLY when\n// `window.mermaidCaptureSizes` is set, so it is never bundled into a production\n// render path (it lands in a lazily-loaded chunk instead).\n//\n// When enabled, it records the measured bounding-box dimensions of every leaf\n// node and edge-label dummy node, matching the `.sizes.json` fixture format used\n// by DOM-Decoupled Layout Testing (see\n// cypress/platform/dev-diagrams/layout-tests/*.sizes.json).\n//\n// Toggle from the browser devtools:\n//\n//   window.mermaidCaptureSizes = true;   // enable\n//   window.mermaidCaptureSizes = false;  // disable\n//\n// Each diagram rendered while enabled updates `window.mermaidLastCapturedSizes`\n// and is also appended to `window.mermaidCapturedSizes` (an array) for\n// programmatic access from dev-explorer or test tooling.\n// \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\n\ntype D3Selection<T extends SVGElement = SVGElement> = Selection<\n  T,\n  unknown,\n  Element | null,\n  unknown\n>;\n\ninterface CapturedNodeSize {\n  id: string;\n  width: number;\n  height: number;\n}\n\ninterface CapturedSizesMetadata {\n  captureVersion: number;\n  capturedAt: string;\n  capturedFrom: string;\n}\n\ninterface CapturedSizes {\n  nodes: CapturedNodeSize[];\n  metadata: CapturedSizesMetadata;\n}\n\ninterface CapturedEntry {\n  svgId: string;\n  sizes: CapturedSizes;\n}\n\ninterface CaptureGlobal {\n  mermaidCaptureSizes?: boolean;\n  mermaidCapturedSizes?: CapturedEntry[];\n  mermaidLastCapturedSizes?: CapturedEntry;\n}\n\nfunction getCaptureGlobal(): CaptureGlobal | undefined {\n  if (typeof globalThis === 'undefined') {\n    return undefined;\n  }\n  return globalThis as unknown as CaptureGlobal;\n}\n\n/**\n * Whether DDLT size capture is enabled. Kept here so callers can avoid importing\n * this module at all in production \u2014 the createGraph guard reads the raw\n * `globalThis.mermaidCaptureSizes` flag directly and only dynamically imports\n * this module when it is truthy.\n */\nexport function shouldCaptureSizes(): boolean {\n  return Boolean(getCaptureGlobal()?.mermaidCaptureSizes);\n}\n\nfunction capturedFromLocation(): string {\n  if (typeof location === 'undefined') {\n    return 'browser-dev';\n  }\n  return `${location.pathname}${location.search}`;\n}\n\nfunction emitCapturedSizes(captured: CapturedSizes, element: D3Selection): void {\n  const g = getCaptureGlobal();\n  if (!g) {\n    return;\n  }\n\n  // Identify the owning SVG so captures can be told apart when a page\n  // renders many diagrams (e.g. knsv3.html).\n  const domNode = element.node();\n  const ownerSvg =\n    (domNode && 'ownerSVGElement' in domNode ? domNode.ownerSVGElement : null) ?? domNode;\n  const svgId = ownerSvg?.id ?? '(unknown)';\n\n  // `mermaidCapturedSizes` accumulates one entry per captured render and is never\n  // trimmed; in a long dev session, `delete window.mermaidCapturedSizes` to reset it.\n  g.mermaidCapturedSizes ??= [];\n  const entry = { svgId, sizes: captured };\n  g.mermaidCapturedSizes.push(entry);\n  g.mermaidLastCapturedSizes = entry;\n}\n\n/**\n * Record the measured sizes of every leaf + edge-label node from an\n * already-laid-out {@link LayoutData} into `window.mermaidCapturedSizes`.\n *\n * Reads `node.width`/`node.height` set by createGraphWithElements during\n * measurement, so the capture lives entirely outside the production render path.\n *\n * @param element - The container the diagram was rendered into.\n * @param data4Layout - Layout data whose nodes have been measured.\n */\nexport function captureNodeSizes(element: D3Selection, data4Layout: LayoutData): void {\n  const nodes: CapturedNodeSize[] = [];\n  for (const node of data4Layout.nodes) {\n    if (node.isGroup) {\n      continue;\n    }\n    nodes.push({ id: node.id, width: node.width ?? 0, height: node.height ?? 0 });\n  }\n  if (nodes.length === 0) {\n    return;\n  }\n  emitCapturedSizes(\n    {\n      metadata: {\n        captureVersion: DDLT_SIZE_CAPTURE_VERSION,\n        capturedAt: new Date().toISOString(),\n        capturedFrom: capturedFromLocation(),\n      },\n      nodes,\n    },\n    element\n  );\n}\n"],
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  "names": ["getCaptureGlobal", "__name", "shouldCaptureSizes", "capturedFromLocation", "emitCapturedSizes", "captured", "element", "g", "domNode", "svgId", "entry", "captureNodeSizes", "data4Layout", "nodes", "node"]
}