commit 1fcc4576eb0efe0b34e1f339cc27665e6c3ae136 Author: pbanddev <202373785+PBandDev@users.noreply.github.com> Date: Sun Jan 4 15:10:44 2026 -0600 Initial commit diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..5dc46e6 --- /dev/null +++ b/.gitattributes @@ -0,0 +1,3 @@ +* text=auto eol=lf +*.{cmd,[cC][mM][dD]} text eol=crlf +*.{bat,[bB][aA][tT]} text eol=crlf \ No newline at end of file diff --git a/.github/workflows/publish_action.yaml b/.github/workflows/publish_action.yaml new file mode 100644 index 0000000..132ed2f --- /dev/null +++ b/.github/workflows/publish_action.yaml @@ -0,0 +1,87 @@ +name: Publish to Comfy registry + +on: + workflow_dispatch: + inputs: + bump_type: + description: "Version bump type" + required: true + type: choice + options: + - patch + - minor + - major + default: patch + +jobs: + bump-version: + name: Bump version and create tag + runs-on: ubuntu-latest + if: github.actor == github.repository_owner + permissions: + contents: write + steps: + - name: Check out code + uses: actions/checkout@v4 + with: + fetch-depth: 0 + + - name: Bump version + id: bump + uses: callowayproject/bump-my-version@master + env: + BUMPVERSION_TAG: "true" + with: + args: ${{ github.event.inputs.bump_type }} + github-token: ${{ secrets.GITHUB_TOKEN }} + + - name: Create GitHub Release + if: steps.bump.outputs.bumped == 'true' + uses: softprops/action-gh-release@v2 + with: + tag_name: v${{ steps.bump.outputs.current-version }} + name: Release v${{ steps.bump.outputs.current-version }} + body: | + ## Version ${{ steps.bump.outputs.current-version }} + + Bumped from version ${{ steps.bump.outputs.previous-version }} to ${{ steps.bump.outputs.current-version }} + + This release was automatically created by the version bump workflow. + draft: false + prerelease: false + generate_release_notes: true + publish-node: + name: Publish Custom Node to registry + runs-on: ubuntu-latest + needs: bump-version + if: github.actor == github.repository_owner + strategy: + matrix: + node-version: [20] + steps: + - name: Check out code + uses: actions/checkout@v4 + with: + ref: main + fetch-depth: 0 + + - name: Install pnpm + uses: pnpm/action-setup@v4 + + - name: Use Node.js ${{ matrix.node-version }} + uses: actions/setup-node@v4 + with: + node-version: ${{ matrix.node-version }} + cache: "pnpm" + + - name: Install dependencies + run: pnpm install + + - name: Build custom node + run: pnpm build + + - name: Publish Custom Node + uses: Comfy-Org/publish-node-action@main + with: + personal_access_token: ${{ secrets.REGISTRY_ACCESS_TOKEN }} + skip_checkout: "true" diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0a92364 --- /dev/null +++ b/.gitignore @@ -0,0 +1,17 @@ +node_modules/ +__pycache__/ +dist/ +.DS_Store +.env +.env.local +.env.development.local +.env.test.local +.env.production.local +npm-debug.log* +yarn-debug.log* +yarn-error.log* +pnpm-debug.log* +node.zip +.vscode/ +.claude/ +.changeset/ \ No newline at end of file diff --git a/CLAUDE.md b/CLAUDE.md new file mode 100644 index 0000000..b89b2a1 --- /dev/null +++ b/CLAUDE.md @@ -0,0 +1,72 @@ +# CLAUDE.md + +This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository. + +## Project Overview + +ComfyUI custom node extension that organizes nodes. Frontend-only extension (no Python backend nodes) that uses TypeScript/Vite for the UI. + +## Commands + +```bash +pnpm install # install deps +pnpm dev # dev server +pnpm build # typecheck + build to dist/ +pnpm watch # build with watch mode +pnpm typecheck # tsc --noEmit +``` + +Version bumping: `uv run bump-my-version bump patch|minor|major` + +## Architecture + +**Dual-stack extension**: Python entrypoint + TypeScript frontend + +- `__init__.py` - ComfyUI entrypoint, points `WEB_DIRECTORY` to `./dist` +- `src/index.ts` - Extension entry, registers via `app.registerExtension()` +- `dist/` - Built JS output, loaded by ComfyUI frontend + +**Build system**: Vite with custom plugin that injects `import { app } from "/scripts/app.js"` at build time. ComfyUI scripts are external (not bundled). + +**Types**: `@comfyorg/comfyui-frontend-types` provides ComfyApp interface. Global `app` declared for runtime access. + +## ComfyUI Extension Pattern + +Extensions register hooks via `app.registerExtension({ name, setup?, ... })`. The `app` object provides access to: +- Graph/canvas manipulation +- Node lifecycle hooks +- UI customization APIs + +Use docs-mcp server for ComfyUI API reference. + +## Layout Algorithm + +**Hybrid Sugiyama + Bin Packing** in `src/layout/`: + +1. `node-classifier.ts` - Classify nodes (connected/disconnected/reroutes) +2. `reroute-collapse.ts` - Collapse reroute chains into virtual edges +3. `graph-builder.ts` - Build DAG from connected nodes only +4. `layer-assign.ts` - Longest-path layer assignment +5. `ordering.ts` - Size-aware barycenter crossing minimization +6. `bin-pack.ts` - FFDH algorithm for multi-column packing +7. `positioning.ts` - Assign coordinates, place disconnected nodes, restore reroutes +8. `groups.ts` - Resize groups to fit members + +**Configuration** in `types.ts`: +- `maxColumns`: 0=auto, 1=vertical stack, 2+=fixed columns +- `collapseReroutes`: true to collapse reroute chains +- `disconnectedGap`: gap between disconnected zone and DAG + +**Key design decisions**: +- `compactVertically` excludes groups from max height (prevents Y explosion) +- `positionGroupContents` uses translation (preserves relative positions) +- Group height uses bounding box (not sum of heights) +- `resolveGroupOverlaps` detects and shifts overlapping groups using minimal direction (up/down/right) +- `assignNodeYPositions` tracks reserved Y regions to prevent node/group overlap within layers + +## CI/CD + +`.github/workflows/publish_action.yaml` - Manual dispatch workflow that: +1. 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + +If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + +You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. diff --git a/README.md b/README.md new file mode 100644 index 0000000..e87d618 --- /dev/null +++ b/README.md @@ -0,0 +1,25 @@ +# ComfyUI Node Organizer + +Automatically organizes nodes in your workflow using a compact hierarchical layout. + +## Features + +- **Execution Order Layout**: Nodes arranged left-to-right following data flow +- **Compact Bin Packing**: Reduces vertical height by packing nodes into rows +- **Disconnected Node Handling**: Annotations, bookmarks placed in separate left margin +- **Reroute Optimization**: Reroute chains collapsed and restored along edges +- **Group Support**: Nested groups with proper hierarchy +- **Subgraph Support**: Works inside subgraphs with I/O node handling + +## Usage + +Right-click on the canvas and select **Organize Workflow**. + +--- + +## Installation + +1. Open **ComfyUI** +2. Go to **Manager > Custom Node Manager** +3. Search for `Node Organizer` +4. Click **Install** diff --git a/__init__.py b/__init__.py new file mode 100644 index 0000000..1241be8 --- /dev/null +++ b/__init__.py @@ -0,0 +1,5 @@ +WEB_DIRECTORY = "./dist" +NODE_CLASS_MAPPINGS = {} +NODE_DISPLAY_NAME_MAPPINGS = {} + +__all__ = ["NODE_CLASS_MAPPINGS", "NODE_DISPLAY_NAME_MAPPINGS", "WEB_DIRECTORY"] diff --git a/assets/cog.svg b/assets/cog.svg new file mode 100644 index 0000000..e28dad8 --- /dev/null +++ b/assets/cog.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/package.json b/package.json new file mode 100644 index 0000000..ea19cc9 --- /dev/null +++ b/package.json @@ -0,0 +1,33 @@ +{ + "name": "comfyui-node-organizer", + "version": "1.2.0", + "description": "ComfyUI extension to organize nodes", + "type": "module", + "scripts": { + "dev": "vite", + "build": "tsc && vite build", + "watch": "tsc && vite build --watch", + "typecheck": "tsc --noEmit" + }, + "keywords": [ + "comfyui", + "custom node", + "custom", + "node", + "extension", + "organizer", + "node", + "extension" + ], + "author": "PBandDev", + "license": "AGPL-3.0", + "packageManager": "pnpm@10.17.1", + "dependencies": { + "typescript": "^5.9.3", + "vite": "^7.1.12" + }, + "devDependencies": { + "@comfyorg/comfyui-frontend-types": "^1.32.1", + "@types/node": "^24.10.0" + } +} diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml new file mode 100644 index 0000000..c2aa98a --- /dev/null +++ b/pnpm-lock.yaml @@ -0,0 +1,819 @@ +lockfileVersion: '9.0' + +settings: + autoInstallPeers: true + excludeLinksFromLockfile: false + +importers: + + .: + dependencies: + typescript: + specifier: ^5.9.3 + version: 5.9.3 + vite: + specifier: ^7.1.12 + version: 7.3.0(@types/node@24.10.4) + devDependencies: + '@comfyorg/comfyui-frontend-types': + specifier: ^1.32.1 + version: 1.36.3(vue@3.5.25(typescript@5.9.3))(zod@3.25.76) + '@types/node': + specifier: ^24.10.0 + version: 24.10.4 + +packages: + + '@babel/helper-string-parser@7.27.1': + resolution: {integrity: 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fsevents: 2.3.3 + + source-map-js@1.2.1: {} + + tinyglobby@0.2.15: + dependencies: + fdir: 6.5.0(picomatch@4.0.3) + picomatch: 4.0.3 + + typescript@5.9.3: {} + + undici-types@7.16.0: {} + + vite@7.3.0(@types/node@24.10.4): + dependencies: + esbuild: 0.27.2 + fdir: 6.5.0(picomatch@4.0.3) + picomatch: 4.0.3 + postcss: 8.5.6 + rollup: 4.53.5 + tinyglobby: 0.2.15 + optionalDependencies: + '@types/node': 24.10.4 + fsevents: 2.3.3 + + vue@3.5.25(typescript@5.9.3): + dependencies: + '@vue/compiler-dom': 3.5.25 + '@vue/compiler-sfc': 3.5.25 + '@vue/runtime-dom': 3.5.25 + '@vue/server-renderer': 3.5.25(vue@3.5.25(typescript@5.9.3)) + '@vue/shared': 3.5.25 + optionalDependencies: + typescript: 5.9.3 + + zod@3.25.76: {} diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml new file mode 100644 index 0000000..efc037a --- /dev/null +++ b/pnpm-workspace.yaml @@ -0,0 +1,2 @@ +onlyBuiltDependencies: + - esbuild diff --git a/pyproject.toml b/pyproject.toml new file mode 100644 index 0000000..570998c --- /dev/null +++ b/pyproject.toml @@ -0,0 +1,41 @@ +[project] +name = "comfyui-node-organizer" +description = "ComfyUI extension to organize nodes" +version = "1.2.0" +readme = "README.md" +license = { file = "LICENSE" } + +[project.urls] +Repository = "https://github.com/PBandDev/comfyui-node-organizer" + +[tool.comfy] +PublisherId = "pbanddev" +DisplayName = "Node Organizer" +Icon = "https://raw.githubusercontent.com/PBandDev/comfyui-node-organizer/main/assets/cog.svg" +requires-comfyui = ">=0.3.0" +includes = ['dist/'] + +[tool.bumpversion] +current_version = "1.2.0" +parse = "(?P\\d+)\\.(?P\\d+)\\.(?P\\d+)" +serialize = ["{major}.{minor}.{patch}"] +commit = true +tag = true +tag_name = "v{new_version}" +tag_message = "Release version {new_version}" +message = "chore: bump version to {new_version} [skip ci]" + +[[tool.bumpversion.files]] +filename = "pyproject.toml" +search = 'version = "{current_version}"' +replace = 'version = "{new_version}"' + +[[tool.bumpversion.files]] +filename = "package.json" +search = '"version": "{current_version}"' +replace = '"version": "{new_version}"' + +[[tool.bumpversion.files]] +filename = "src/index.ts" +search = 'Version {current_version}' +replace = 'Version {new_version}' diff --git a/src/index.ts b/src/index.ts new file mode 100644 index 0000000..c9a8cd9 --- /dev/null +++ b/src/index.ts @@ -0,0 +1,106 @@ +import type { ComfyApp } from "@comfyorg/comfyui-frontend-types"; +import type { LGraph } from "./layout/types"; +import { layoutGraph } from "./layout"; + +/** Context menu option */ +interface ContextMenuOption { + content: string; + callback?: () => void; +} + +/** LGraphCanvas type (available at runtime) */ +interface LGraphCanvasType { + prototype: { + getCanvasMenuOptions: () => (ContextMenuOption | null)[]; + }; +} + +declare global { + const app: ComfyApp; + const LGraphCanvas: LGraphCanvasType; + + interface Window { + app: ComfyApp; + } +} + +/** Setting ID for debug logging */ +const SETTINGS_PREFIX = "Node Organizer"; +const SETTINGS_IDS = { + VERSION: `${SETTINGS_PREFIX}. ${SETTINGS_PREFIX}`, + DEBUG_LOGGING: `${SETTINGS_PREFIX}.Debug Logging`, +}; + +/** Check if debug logging is enabled */ +export function isDebugEnabled(): boolean { + try { + return ( + app.extensionManager?.setting?.get(SETTINGS_IDS.DEBUG_LOGGING) ?? + false + ); + } catch { + return false; + } +} + +/** Log message only if debug logging is enabled */ +export function debugLog(message: string, ...args: unknown[]): void { + if (isDebugEnabled()) { + console.log(`[node-organizer] ${message}`, ...args); + } +} + +app.registerExtension({ + name: "ComfyUI Node Organizer", + settings: [ + { + id: SETTINGS_IDS.VERSION, + name: "Version 1.0.0", + type: () => { + const spanEl = document.createElement("span"); + spanEl.insertAdjacentHTML( + "beforeend", + `Homepage` + ); + + return spanEl; + }, + defaultValue: undefined, + }, + { + id: SETTINGS_IDS.DEBUG_LOGGING, + name: "Enable Debug Logging", + type: "boolean", + tooltip: + "Show detailed debug logs in browser console during workflow organization", + defaultValue: false, + }, + ], + getCanvasMenuItems(canvas) { + return [ + null, // separator + { + content: "Organize Workflow", + callback: () => { + const graph = canvas.getCurrentGraph() as LGraph | null; + if (!graph) { + console.warn("[node-organizer] No active graph"); + return; + } + + try { + const result = layoutGraph(graph); + console.log( + `[node-organizer] Layout complete: ${result.nodeCount} nodes, ` + + `${result.layerCount} layers, ${result.groupCount} groups, ` + + `${result.executionMs.toFixed(1)}ms` + ); + } catch (err) { + console.error("[node-organizer] Layout failed:", err); + } + }, + }, + null, // separator + ]; + }, +}); diff --git a/src/layout/bin-pack.ts b/src/layout/bin-pack.ts new file mode 100644 index 0000000..db496cc --- /dev/null +++ b/src/layout/bin-pack.ts @@ -0,0 +1,225 @@ +import type { PackedRow, LayoutConfig } from "./types"; + +/** Node size info for packing */ +interface NodeSize { + id: number; + width: number; + height: number; +} + +/** + * Pack nodes into rows using First-Fit Decreasing Height (FFDH) algorithm + * + * Strategy: + * 1. Sort nodes by height descending (tall nodes first) + * 2. For each node, try to fit into existing row + * 3. If no row fits, create new row + * 4. Rows are sorted by height for visual consistency + * + * @param nodeIds - Node IDs to pack + * @param sizes - Map of node ID to size + * @param config - Layout configuration + * @returns Array of packed rows + */ +export function packNodesIntoRows( + nodeIds: number[], + sizes: Map, + config: LayoutConfig +): PackedRow[] { + if (nodeIds.length === 0) return []; + + // maxColumns: 0=auto, 1=disabled (vertical stack), 2+=fixed columns + if (config.maxColumns === 1) { + // Vertical stacking - one node per row + return packVertically(nodeIds, sizes, config.verticalGap); + } + + // Build sized node list + const nodeSizes: NodeSize[] = nodeIds.map((id) => { + const size = sizes.get(id); + return { + id, + width: size?.width ?? 200, + height: size?.height ?? 100, + }; + }); + + // Sort by height descending (FFDH: tall nodes first) + nodeSizes.sort((a, b) => b.height - a.height); + + if (config.maxColumns >= 2) { + // Fixed column count + return packFixedColumns(nodeSizes, config.maxColumns, config.verticalGap); + } + + // Auto mode: use maxRowWidth + return packByWidth(nodeSizes, config.maxRowWidth, config.horizontalGap, config.verticalGap); +} + +/** + * Pack nodes vertically (one per row) - legacy behavior + */ +function packVertically( + nodeIds: number[], + sizes: Map, + verticalGap: number +): PackedRow[] { + const rows: PackedRow[] = []; + let yOffset = 0; + + for (const id of nodeIds) { + const size = sizes.get(id); + const height = size?.height ?? 100; + const width = size?.width ?? 200; + + rows.push({ + nodes: [id], + height, + yOffset, + width, + }); + + yOffset += height + verticalGap; + } + + return rows; +} + +/** + * Pack nodes into fixed number of columns + * Distributes nodes round-robin by height to balance columns + */ +function packFixedColumns( + nodeSizes: NodeSize[], + columnCount: number, + verticalGap: number +): PackedRow[] { + // Group nodes by similar height into rows + const rows: PackedRow[] = []; + let currentRow: NodeSize[] = []; + + for (const node of nodeSizes) { + currentRow.push(node); + + if (currentRow.length >= columnCount) { + // Row is full + const rowHeight = Math.max(...currentRow.map((n) => n.height)); + const rowWidth = currentRow.reduce((sum, n) => sum + n.width, 0); + + rows.push({ + nodes: currentRow.map((n) => n.id), + height: rowHeight, + yOffset: 0, // Set later + width: rowWidth, + }); + + currentRow = []; + } + } + + // Handle remaining nodes in last partial row + if (currentRow.length > 0) { + const rowHeight = Math.max(...currentRow.map((n) => n.height)); + const rowWidth = currentRow.reduce((sum, n) => sum + n.width, 0); + + rows.push({ + nodes: currentRow.map((n) => n.id), + height: rowHeight, + yOffset: 0, + width: rowWidth, + }); + } + + // Calculate y offsets + let yOffset = 0; + for (const row of rows) { + row.yOffset = yOffset; + yOffset += row.height + verticalGap; + } + + return rows; +} + +/** + * Pack nodes by maximum row width (auto column count) + * Uses FFDH: First-Fit Decreasing Height + */ +function packByWidth( + nodeSizes: NodeSize[], + maxRowWidth: number, + horizontalGap: number, + verticalGap: number +): PackedRow[] { + const rows: Array<{ + nodes: NodeSize[]; + height: number; + currentWidth: number; + }> = []; + + for (const node of nodeSizes) { + // Try to fit into existing row + let placed = false; + + for (const row of rows) { + const newWidth = row.currentWidth + horizontalGap + node.width; + + // Check if node fits and heights are compatible + // Allow 50% height variance to keep rows visually balanced + const heightRatio = row.height > 0 ? node.height / row.height : 1; + const heightCompatible = heightRatio >= 0.5 && heightRatio <= 2.0; + + if (newWidth <= maxRowWidth && heightCompatible) { + row.nodes.push(node); + row.currentWidth = newWidth; + row.height = Math.max(row.height, node.height); + placed = true; + break; + } + } + + if (!placed) { + // Create new row + rows.push({ + nodes: [node], + height: node.height, + currentWidth: node.width, + }); + } + } + + // Sort rows by their tallest node height (tallest first for visual hierarchy) + rows.sort((a, b) => b.height - a.height); + + // Convert to PackedRow format with y offsets + const result: PackedRow[] = []; + let yOffset = 0; + + for (const row of rows) { + result.push({ + nodes: row.nodes.map((n) => n.id), + height: row.height, + yOffset, + width: row.currentWidth, + }); + + yOffset += row.height + verticalGap; + } + + return result; +} + +/** + * Calculate total height of packed rows + */ +export function getPackedHeight(rows: PackedRow[]): number { + if (rows.length === 0) return 0; + const lastRow = rows[rows.length - 1]; + return lastRow.yOffset + lastRow.height; +} + +/** + * Calculate max width across all packed rows + */ +export function getPackedWidth(rows: PackedRow[]): number { + return Math.max(0, ...rows.map((r) => r.width)); +} diff --git a/src/layout/graph-builder.ts b/src/layout/graph-builder.ts new file mode 100644 index 0000000..d79dc70 --- /dev/null +++ b/src/layout/graph-builder.ts @@ -0,0 +1,502 @@ +import type { + LGraph, + LGraphNode, + LGraphGroup, + LayoutNode, + LayoutGroup, + LayoutState, + LayoutConfig, + RerouteChain, +} from "./types"; +import { DEFAULT_CONFIG } from "./types"; +import { classifyNodes } from "./node-classifier"; +import { findRerouteChains, getRerouteNodeIds, getVirtualEdges } from "./reroute-collapse"; +import { debugLog } from "../index"; + +/** + * Runtime subgraph I/O node (has pos/size like regular nodes, not bounding) + */ +interface RuntimeIONode { + id: number; + pos: [number, number]; + size: [number, number]; +} + +/** + * Check if an object looks like a subgraph I/O node at runtime + * Runtime has pos/size (not bounding like JSON export) + */ +function isValidIONode(obj: unknown): obj is RuntimeIONode { + if (!obj || typeof obj !== "object") return false; + const candidate = obj as Record; + // Must have numeric id + if (typeof candidate.id !== "number") return false; + // Use duck typing - pos/size may be getters returning array-like objects + const pos = candidate.pos as [number, number] | undefined; + const size = candidate.size as [number, number] | undefined; + if (!pos || typeof pos[0] !== "number" || typeof pos[1] !== "number") return false; + if (!size || typeof size[0] !== "number" || typeof size[1] !== "number") return false; + return true; +} + +/** + * Convert runtime I/O node to LGraphNode-like object for layout + */ +function ioNodeToLGraphNode(ioNode: RuntimeIONode, type: "input" | "output"): LGraphNode { + return { + id: ioNode.id, + type: `subgraph_${type}`, + title: type === "input" ? "Input" : "Output", + pos: [ioNode.pos[0], ioNode.pos[1]], + size: [ioNode.size[0], ioNode.size[1]], + inputs: [], + outputs: [], + }; +} + +/** Title bar height for groups */ +const GROUP_TITLE_HEIGHT = 50; + +/** + * Check if outer group's bounds fully contain inner group's bounds + */ +function groupContainsGroup(outer: LGraphGroup, inner: LGraphGroup): boolean { + const ox = outer.pos[0]; + const oy = outer.pos[1]; + const ow = outer.size[0]; + const oh = outer.size[1]; + + const ix = inner.pos[0]; + const iy = inner.pos[1]; + const iw = inner.size[0]; + const ih = inner.size[1]; + + // Inner's bounds must be fully within outer's bounds + return ix >= ox && iy >= oy && ix + iw <= ox + ow && iy + ih <= oy + oh; +} + +/** + * Build parent-child hierarchy for groups based on bounds containment + * Assigns parentGroup, childGroups, and depth to each LayoutGroup + */ +function buildGroupHierarchy(layoutGroups: LayoutGroup[]): void { + // For each group, find its parent (smallest containing group) + for (const inner of layoutGroups) { + let bestParent: LayoutGroup | null = null; + let bestArea = Infinity; + + for (const outer of layoutGroups) { + if (outer === inner) continue; + if (groupContainsGroup(outer.group, inner.group)) { + const area = outer.group.size[0] * outer.group.size[1]; + if (area < bestArea) { + bestArea = area; + bestParent = outer; + } + } + } + + inner.parentGroup = bestParent; + if (bestParent) { + bestParent.childGroups.push(inner); + } + } + + // Calculate depths using BFS from roots + const roots = layoutGroups.filter((g) => !g.parentGroup); + const queue: Array<{ group: LayoutGroup; depth: number }> = roots.map( + (g) => ({ group: g, depth: 0 }) + ); + + while (queue.length > 0) { + const item = queue.shift(); + if (!item) break; + const { group, depth } = item; + group.depth = depth; + for (const child of group.childGroups) { + queue.push({ group: child, depth: depth + 1 }); + } + } +} + +/** + * Check if a node's origin is inside a group's content area + */ +function nodeInsideGroup(node: LGraphNode, group: LGraphGroup): boolean { + const gx = group.pos[0]; + const gy = group.pos[1] + GROUP_TITLE_HEIGHT; + const gw = group.size[0]; + const gh = group.size[1] - GROUP_TITLE_HEIGHT; + + const nx = node.pos?.[0] ?? 0; + const ny = node.pos?.[1] ?? 0; + + return nx >= gx && nx < gx + gw && ny >= gy && ny < gy + gh; +} + +/** + * Build layout graph from ComfyUI graph + * Groups are treated as "mega-nodes" with full hierarchy support + */ +export function buildLayoutGraph( + graph: LGraph, + config: Partial = {} +): LayoutState { + const fullConfig: LayoutConfig = { ...DEFAULT_CONFIG, ...config }; + const nodes = new Map(); + const groups: LayoutGroup[] = []; + + // First pass: Extract all nodes + const graphNodes = graph._nodes ?? []; + const allNodes = new Map(); + + for (const node of graphNodes) { + if (!node || node.id === undefined) continue; + allNodes.set(node.id, node); + } + + // Track subgraph I/O nodes separately (they need special position handling) + // Runtime I/O nodes have pos/size like regular nodes + const ioNodes = new Map(); + + // Check for subgraph I/O nodes (Subgraph extends LGraph) + const graphAny = graph as unknown as Record; + if (isValidIONode(graphAny.inputNode)) { + const inputNode = graphAny.inputNode as RuntimeIONode; + const inputLGraphNode = ioNodeToLGraphNode(inputNode, "input"); + allNodes.set(inputNode.id, inputLGraphNode); + ioNodes.set(inputNode.id, inputNode); + debugLog(`Found subgraph input node id=${inputNode.id} at [${inputNode.pos}]`); + } + if (isValidIONode(graphAny.outputNode)) { + const outputNode = graphAny.outputNode as RuntimeIONode; + const outputLGraphNode = ioNodeToLGraphNode(outputNode, "output"); + allNodes.set(outputNode.id, outputLGraphNode); + ioNodes.set(outputNode.id, outputNode); + debugLog(`Found subgraph output node id=${outputNode.id} at [${outputNode.pos}]`); + } + + // Classify nodes into connected/disconnected/reroutes + const classified = classifyNodes(graph); + const disconnectedNodes = classified.disconnected; + + // Find and collapse reroute chains if enabled + let rerouteChains: RerouteChain[] = []; + let collapsedRerouteIds = new Set(); + + if (fullConfig.collapseReroutes && classified.reroutes.size > 0) { + rerouteChains = findRerouteChains(graph, classified.reroutes); + collapsedRerouteIds = getRerouteNodeIds(rerouteChains); + } + + // Second pass: Create LayoutGroup objects (without hierarchy yet) + const graphGroups = graph._groups ?? []; + + for (const group of graphGroups) { + if (!group || !group.pos || !group.size) continue; + + const layoutGroup: LayoutGroup = { + group, + memberIds: new Set(), + childGroups: [], + parentGroup: null, + depth: 0, + width: 0, + height: 0, + }; + + groups.push(layoutGroup); + } + + // Third pass: Build group hierarchy (parent-child relationships) + buildGroupHierarchy(groups); + + // Fourth pass: Assign nodes to their INNERMOST containing group + // A node belongs only to the deepest group that contains it + const nodeToGroup = new Map(); + + for (const [nodeId, node] of allNodes) { + let bestGroup: LayoutGroup | null = null; + let maxDepth = -1; + + for (const layoutGroup of groups) { + if (nodeInsideGroup(node, layoutGroup.group)) { + if (layoutGroup.depth > maxDepth) { + maxDepth = layoutGroup.depth; + bestGroup = layoutGroup; + } + } + } + + if (bestGroup) { + bestGroup.memberIds.add(nodeId); + nodeToGroup.set(nodeId, bestGroup); + } + } + + // Log group membership + for (const layoutGroup of groups) { + const parentInfo = layoutGroup.parentGroup + ? ` (inside "${layoutGroup.parentGroup.group.title}")` + : ""; + debugLog( + `Group "${layoutGroup.group.title}": ${layoutGroup.memberIds.size} direct members, ${layoutGroup.childGroups.length} child groups${parentInfo}` + ); + } + + // Fifth pass: Calculate group sizes bottom-up (deepest first) + // Build groupsByDepth array for bottom-up processing + const maxDepth = Math.max(0, ...groups.map((g) => g.depth)); + const groupsByDepth: LayoutGroup[][] = []; + + for (let d = 0; d <= maxDepth; d++) { + groupsByDepth.push(groups.filter((g) => g.depth === d)); + } + + // Process from deepest to shallowest + for (let depth = maxDepth; depth >= 0; depth--) { + for (const layoutGroup of groupsByDepth[depth]) { + let totalWidth = 0; + let totalHeight = 0; + + // Use bounding box of member positions (more accurate than summing heights) + let minY = Infinity; + let maxY = -Infinity; + let hasMembers = false; + + for (const nodeId of layoutGroup.memberIds) { + const node = allNodes.get(nodeId); + if (!node) continue; + hasMembers = true; + const w = node.size?.[0] ?? 200; + const h = node.size?.[1] ?? 100; + const ny = node.pos?.[1] ?? 0; + totalWidth = Math.max(totalWidth, w); + minY = Math.min(minY, ny); + maxY = Math.max(maxY, ny + h); + } + + if (hasMembers && minY !== Infinity) { + totalHeight = maxY - minY; + } + + // Include child groups (already calculated in previous iterations) + // Child groups add to height below members + let childGroupsHeight = 0; + for (const child of layoutGroup.childGroups) { + totalWidth = Math.max(totalWidth, child.width); + childGroupsHeight += child.height + fullConfig.verticalGap; + } + totalHeight += childGroupsHeight; + + // Add padding and title + layoutGroup.width = totalWidth + fullConfig.groupPadding * 2; + layoutGroup.height = + totalHeight + fullConfig.groupPadding * 2 + GROUP_TITLE_HEIGHT; + } + } + + // Sixth pass: Create LayoutNodes + // - Standalone connected nodes become regular layout nodes + // - Top-level groups get a representative node + // - Nested groups are handled internally by their parent + // - Disconnected nodes and collapsed reroutes are EXCLUDED (placed separately later) + const groupRepresentatives = new Map(); + + for (const [id, node] of allNodes) { + // Skip disconnected nodes - they'll be placed in a separate zone + if (disconnectedNodes.has(id)) { + continue; + } + + // Skip collapsed reroute nodes - they'll be restored after layout + if (collapsedRerouteIds.has(id)) { + continue; + } + + const group = nodeToGroup.get(id); + + if (group) { + // This node is in a group + // Only create representative for top-level groups + const topLevelGroup = getTopLevelGroup(group); + + if (!groupRepresentatives.has(topLevelGroup)) { + // First member becomes the representative for the top-level group + groupRepresentatives.set(topLevelGroup, id); + + // Create layout node with TOP-LEVEL GROUP dimensions + nodes.set(id, { + node, + id, + layer: -1, + orderInLayer: 0, + predecessors: [], + successors: [], + width: topLevelGroup.width, + height: topLevelGroup.height, + x: 0, + y: 0, + isGroupRepresentative: true, + group: topLevelGroup, + }); + } + // Skip non-representative group members - they'll be positioned relative to group + } else { + // Standalone node (or I/O node) + const runtimeIONode = ioNodes.get(id); + nodes.set(id, { + node, + id, + layer: -1, + orderInLayer: 0, + predecessors: [], + successors: [], + width: node.size?.[0] ?? 200, + height: node.size?.[1] ?? 100, + x: 0, + y: 0, + isSubgraphIO: runtimeIONode !== undefined, + runtimeIONode, + }); + } + } + + // Seventh pass: Build adjacency from links + // For group members, redirect connections to the top-level group representative + // Skip links involving collapsed reroutes (handled via virtual edges) + const links = graph.links; + if (links) { + // Handle different link storage formats: + // - Map (newer ComfyUI) + // - Record (object with numeric keys) + // - LLink[] (array, common in subgraphs) + let linkEntries: Iterable<[number, { origin_id: number; target_id: number } | null]>; + + if (links instanceof Map) { + linkEntries = links.entries(); + } else if (Array.isArray(links)) { + // Array of link objects (subgraph format) + linkEntries = links.map((link, i) => [i, link] as const); + } else { + // Object with numeric keys + linkEntries = Object.entries(links).map(([k, v]) => [Number(k), v] as const); + } + + for (const [, link] of linkEntries) { + if (!link || typeof link !== "object") continue; + if (typeof link.origin_id !== "number" || typeof link.target_id !== "number") continue; + + let sourceId = link.origin_id; + let targetId = link.target_id; + + // Skip links involving collapsed reroutes (handled via virtual edges) + if (collapsedRerouteIds.has(sourceId) || collapsedRerouteIds.has(targetId)) { + continue; + } + + // Redirect group members to their top-level group representative + const sourceGroup = nodeToGroup.get(sourceId); + const targetGroup = nodeToGroup.get(targetId); + + if (sourceGroup) { + const topLevel = getTopLevelGroup(sourceGroup); + sourceId = groupRepresentatives.get(topLevel)!; + } + if (targetGroup) { + const topLevel = getTopLevelGroup(targetGroup); + targetId = groupRepresentatives.get(topLevel)!; + } + + // Skip internal group connections (within same top-level group) + if (sourceGroup && targetGroup) { + const sourceTop = getTopLevelGroup(sourceGroup); + const targetTop = getTopLevelGroup(targetGroup); + if (sourceTop === targetTop) { + continue; + } + } + + const sourceNode = nodes.get(sourceId); + const targetNode = nodes.get(targetId); + + if (sourceNode && targetNode) { + if (!sourceNode.successors.includes(targetId)) { + sourceNode.successors.push(targetId); + } + if (!targetNode.predecessors.includes(sourceId)) { + targetNode.predecessors.push(sourceId); + } + } + } + } + + // Eighth pass: Add virtual edges from collapsed reroute chains + if (rerouteChains.length > 0) { + const virtualEdges = getVirtualEdges(rerouteChains); + + for (const [sourceId, targetIds] of virtualEdges) { + // Handle group redirection for source + const sourceGroup = nodeToGroup.get(sourceId); + let effectiveSourceId = sourceId; + if (sourceGroup) { + const topLevel = getTopLevelGroup(sourceGroup); + effectiveSourceId = groupRepresentatives.get(topLevel)!; + } + + const sourceNode = nodes.get(effectiveSourceId); + if (!sourceNode) continue; + + for (const targetId of targetIds) { + // Handle group redirection for target + const targetGroup = nodeToGroup.get(targetId); + let effectiveTargetId = targetId; + if (targetGroup) { + const topLevel = getTopLevelGroup(targetGroup); + effectiveTargetId = groupRepresentatives.get(topLevel)!; + } + + const targetNode = nodes.get(effectiveTargetId); + if (!targetNode) continue; + + // Skip if same group + if (sourceGroup && targetGroup) { + const sourceTop = getTopLevelGroup(sourceGroup); + const targetTop = getTopLevelGroup(targetGroup); + if (sourceTop === targetTop) continue; + } + + if (!sourceNode.successors.includes(effectiveTargetId)) { + sourceNode.successors.push(effectiveTargetId); + } + if (!targetNode.predecessors.includes(effectiveSourceId)) { + targetNode.predecessors.push(effectiveSourceId); + } + } + } + } + + return { + nodes, + layers: [], + groups, + config: fullConfig, + nodeToGroup, + groupRepresentatives, + allNodes, + groupsByDepth, + disconnectedNodes, + rerouteChains, + }; +} + +/** + * Get the top-level group (root of hierarchy) for a given group + */ +function getTopLevelGroup(group: LayoutGroup): LayoutGroup { + let current = group; + while (current.parentGroup) { + current = current.parentGroup; + } + return current; +} diff --git a/src/layout/groups.ts b/src/layout/groups.ts new file mode 100644 index 0000000..4292bb5 --- /dev/null +++ b/src/layout/groups.ts @@ -0,0 +1,147 @@ +import type { LayoutState, LGraphGroup } from "./types"; +import { debugLog } from "../index"; + +/** Title bar height for groups */ +const GROUP_TITLE_HEIGHT = 50; + +/** + * Resize groups to fit their contents after layout + * Uses bottom-up processing: deepest groups first, then parents + */ +export function resizeGroupsToFit(state: LayoutState): number { + const { groupsByDepth, allNodes, config } = state; + + if (!groupsByDepth || !allNodes) { + debugLog("Missing groupsByDepth or allNodes"); + return 0; + } + + let resizedCount = 0; + const maxDepth = groupsByDepth.length - 1; + + // Process from deepest to shallowest (bottom-up) + for (let depth = maxDepth; depth >= 0; depth--) { + for (const layoutGroup of groupsByDepth[depth]) { + const { group, memberIds, childGroups } = layoutGroup; + + // Skip groups with no content + if (memberIds.size === 0 && childGroups.length === 0) { + debugLog(`Skipping empty group "${group.title}"`); + continue; + } + + // Calculate bounding box from positioned members and child groups + let minX = Infinity; + let minY = Infinity; + let maxX = -Infinity; + let maxY = -Infinity; + + // Include direct member nodes + for (const nodeId of memberIds) { + const node = allNodes.get(nodeId); + if (!node) continue; + + const nx = node.pos?.[0] ?? 0; + const ny = node.pos?.[1] ?? 0; + const nw = node.size?.[0] ?? 200; + const nh = node.size?.[1] ?? 100; + + minX = Math.min(minX, nx); + minY = Math.min(minY, ny); + maxX = Math.max(maxX, nx + nw); + maxY = Math.max(maxY, ny + nh); + } + + // Include child groups (already resized in previous iterations) + for (const child of childGroups) { + const cg = child.group; + const cx = cg.pos[0]; + const cy = cg.pos[1]; + const cw = cg.size[0]; + const ch = cg.size[1]; + + minX = Math.min(minX, cx); + minY = Math.min(minY, cy); + maxX = Math.max(maxX, cx + cw); + maxY = Math.max(maxY, cy + ch); + } + + // Handle empty bounds (shouldn't happen but be safe) + if (minX === Infinity) { + debugLog(`No content bounds for group "${group.title}"`); + continue; + } + + // Calculate final group bounds with padding + const padding = config.groupPadding; + const newX = minX - padding; + const newY = minY - padding - GROUP_TITLE_HEIGHT; + const newWidth = maxX - minX + padding * 2; + const newHeight = maxY - minY + padding * 2 + GROUP_TITLE_HEIGHT; + + debugLog( + `Resizing group "${group.title}" (depth ${layoutGroup.depth}) to [${newX}, ${newY}, ${newWidth}, ${newHeight}]` + ); + + // Update group bounds + updateGroupBounds(group, newX, newY, newWidth, newHeight); + + resizedCount++; + } + } + + return resizedCount; +} + +/** + * Update group bounds using multiple methods for compatibility + */ +function updateGroupBounds( + group: LGraphGroup, + x: number, + y: number, + width: number, + height: number +): void { + // Method 1: Direct pos/size array mutation (most common) + if (Array.isArray(group.pos)) { + group.pos[0] = x; + group.pos[1] = y; + } + if (Array.isArray(group.size)) { + group.size[0] = width; + group.size[1] = height; + } + + // Method 2: Try _pos/_size internal properties + const g = group as LGraphGroup & { + _pos?: [number, number]; + _size?: [number, number]; + }; + if (Array.isArray(g._pos)) { + g._pos[0] = x; + g._pos[1] = y; + } + if (Array.isArray(g._size)) { + g._size[0] = width; + g._size[1] = height; + } + + // Method 3: Update _bounding Rectangle if present + if (group._bounding) { + const b = group._bounding; + b.x = x; + b.y = y; + b.width = width; + b.height = height; + } + + // Method 4: Try bounding array (older format) + const gAny = group as LGraphGroup & { bounding?: number[] }; + if (Array.isArray(gAny.bounding)) { + gAny.bounding[0] = x; + gAny.bounding[1] = y; + gAny.bounding[2] = width; + gAny.bounding[3] = height; + } +} diff --git a/src/layout/index.ts b/src/layout/index.ts new file mode 100644 index 0000000..f77642e --- /dev/null +++ b/src/layout/index.ts @@ -0,0 +1,103 @@ +import type { LGraph, LayoutConfig, LayoutResult } from "./types"; +import { DEFAULT_CONFIG } from "./types"; +import { buildLayoutGraph } from "./graph-builder"; +import { assignLayers } from "./layer-assign"; +import { minimizeCrossings } from "./ordering"; +import { + assignLayerXPositions, + assignNodeYPositions, + recalculateLayerXPositions, + applyPositions, + compactVertically, + resolveAllOverlaps, +} from "./positioning"; +import { resizeGroupsToFit } from "./groups"; +import { debugLog } from "../index"; + +/** + * Main entry point: layout the entire graph + * + * Pipeline: + * 1. Build layout graph (classify nodes, collapse reroutes, filter disconnected) + * 2. Assign layers via longest-path algorithm + * 3. Minimize edge crossings via size-aware barycenter heuristic + * 4. Assign X/Y coordinates with bin packing + * 5. Compact vertically to reduce gaps + * 6. Apply positions (includes disconnected zone and reroute restoration) + * 7. Resize groups to fit their members + */ +export function layoutGraph( + graph: LGraph, + config?: Partial +): LayoutResult { + const startTime = performance.now(); + const fullConfig: LayoutConfig = { ...DEFAULT_CONFIG, ...config }; + + // Handle empty graph + const nodeList = graph._nodes ?? []; + if (nodeList.length === 0) { + return { + nodeCount: 0, + layerCount: 0, + groupCount: 0, + executionMs: 0, + }; + } + + // Phase 1: Build layout graph (includes classification and reroute collapse) + const state = buildLayoutGraph(graph, fullConfig); + + // Phase 2: Assign layers + assignLayers(state); + + // Phase 3: Minimize crossings (size-aware barycenter) + minimizeCrossings(state); + + // Phase 4: Assign coordinates (with bin packing) + assignLayerXPositions(state); + assignNodeYPositions(state); + + // Phase 4b: Recalculate X after bin packing updates maxWidth + // (bin packing may place multiple nodes in a row, making layer wider) + recalculateLayerXPositions(state); + + // Phase 5: Compact vertically + compactVertically(state); + + // Phase 6: Apply to ComfyUI nodes (includes disconnected and reroute handling) + applyPositions(state); + + // Phase 7: Resize groups + const groupCount = resizeGroupsToFit(state); + + // Phase 8: Resolve all overlaps (groups + nodes unified) + // Uses scanline algorithm with priority-based monotonic pushing + resolveAllOverlaps(state); + + // Trigger canvas redraw + if (graph.setDirtyCanvas) { + graph.setDirtyCanvas(true, true); + } + + const executionMs = performance.now() - startTime; + + // Count total nodes including disconnected and reroutes + const disconnectedCount = state.disconnectedNodes?.size ?? 0; + const rerouteCount = state.rerouteChains?.reduce((sum, c) => sum + c.nodes.length, 0) ?? 0; + const totalNodes = state.nodes.size + disconnectedCount + rerouteCount; + + debugLog( + `Layout complete: ${totalNodes} nodes (${state.nodes.size} in DAG, ${disconnectedCount} disconnected, ${rerouteCount} reroutes), ${state.layers.length} layers in ${executionMs.toFixed(1)}ms` + ); + + return { + nodeCount: totalNodes, + layerCount: state.layers.length, + groupCount, + executionMs, + }; +} + +// Re-export types and config +export type { LayoutConfig, LayoutResult } from "./types"; +export { DEFAULT_CONFIG } from "./types"; diff --git a/src/layout/layer-assign.ts b/src/layout/layer-assign.ts new file mode 100644 index 0000000..7f9be90 --- /dev/null +++ b/src/layout/layer-assign.ts @@ -0,0 +1,102 @@ +import type { LayoutState, LayoutNode, Layer } from "./types"; + +/** + * Assign layers to nodes using longest-path algorithm + * Sources (no predecessors) get layer 0 + * Each node gets max(predecessor layers) + 1 + */ +export function assignLayers(state: LayoutState): void { + const { nodes } = state; + + // Topological sort via Kahn's algorithm + const inDegree = new Map(); + const queue: number[] = []; + const order: number[] = []; + + // Initialize in-degrees + for (const [id, node] of nodes) { + inDegree.set(id, node.predecessors.length); + if (node.predecessors.length === 0) { + queue.push(id); + } + } + + // Process nodes in topological order + while (queue.length > 0) { + const nodeId = queue.shift()!; + order.push(nodeId); + + const node = nodes.get(nodeId)!; + for (const succId of node.successors) { + const deg = (inDegree.get(succId) ?? 1) - 1; + inDegree.set(succId, deg); + if (deg === 0) { + queue.push(succId); + } + } + } + + // Handle cycles: add remaining nodes (shouldn't happen in valid DAG) + for (const [id] of nodes) { + if (!order.includes(id)) { + order.push(id); + } + } + + // Assign layers via longest path from sources + for (const nodeId of order) { + const node = nodes.get(nodeId)!; + + if (node.predecessors.length === 0) { + // Source node: layer 0 + node.layer = 0; + } else { + // Max layer of predecessors + 1 + let maxPredLayer = 0; + for (const predId of node.predecessors) { + const pred = nodes.get(predId); + if (pred && pred.layer >= 0) { + maxPredLayer = Math.max(maxPredLayer, pred.layer + 1); + } + } + node.layer = maxPredLayer; + } + } + + // Ensure all nodes have valid layer (handle edge cases) + for (const node of nodes.values()) { + if (node.layer < 0) { + node.layer = 0; + } + } + + // Build layer structures + const layerMap = new Map(); + for (const node of nodes.values()) { + const arr = layerMap.get(node.layer) ?? []; + arr.push(node); + layerMap.set(node.layer, arr); + } + + // Sort layers by index and create Layer objects + const sortedLayerIndices = [...layerMap.keys()].sort((a, b) => a - b); + const layers: Layer[] = []; + + for (const index of sortedLayerIndices) { + const layerNodes = layerMap.get(index)!; + // Sort nodes in layer by ID for initial deterministic order + layerNodes.sort((a, b) => a.id - b.id); + layerNodes.forEach((n, i) => { + n.orderInLayer = i; + }); + + layers.push({ + index, + nodes: layerNodes, + x: 0, + maxWidth: Math.max(...layerNodes.map((n) => n.width), 100), + }); + } + + state.layers = layers; +} diff --git a/src/layout/node-classifier.ts b/src/layout/node-classifier.ts new file mode 100644 index 0000000..472a43c --- /dev/null +++ b/src/layout/node-classifier.ts @@ -0,0 +1,79 @@ +import type { LGraph, LLink, ClassifiedNodes } from "./types"; +import { debugLog } from "../index"; + +/** + * Iterate over links in a graph (handles Map, Record, and Array formats) + */ +function* iterateLinks( + links: Map | Record | LLink[] +): Generator { + if (links instanceof Map) { + for (const link of links.values()) { + if (link) yield link; + } + } else if (Array.isArray(links)) { + for (const link of links) { + if (link) yield link; + } + } else { + for (const link of Object.values(links)) { + if (link) yield link; + } + } +} + +/** + * Classify nodes into connected, disconnected, and reroutes + * + * - connected: nodes with at least one link + * - disconnected: nodes with no links (annotations, bookmarks, etc.) + * - reroutes: nodes with type "Reroute" (handled separately for chain collapse) + */ +export function classifyNodes(graph: LGraph): ClassifiedNodes { + const hasLinks = new Set(); + + // Mark all nodes that appear in any link + if (graph.links) { + for (const link of iterateLinks(graph.links)) { + if (typeof link.origin_id === "number") { + hasLinks.add(link.origin_id); + } + if (typeof link.target_id === "number") { + hasLinks.add(link.target_id); + } + } + } + + const connected = new Set(); + const disconnected = new Set(); + const reroutes = new Set(); + + const nodes = graph._nodes ?? []; + for (const node of nodes) { + if (!node || node.id === undefined) continue; + + const nodeType = node.type ?? ""; + + // Check if this is a reroute node + // Common reroute types: "Reroute", "Reroute (rgthree)", etc. + const isReroute = nodeType === "Reroute" || nodeType.startsWith("Reroute "); + + if (isReroute) { + reroutes.add(node.id); + // Reroutes are also tracked as connected if they have links + if (hasLinks.has(node.id)) { + connected.add(node.id); + } + } else if (hasLinks.has(node.id)) { + connected.add(node.id); + } else { + disconnected.add(node.id); + } + } + + debugLog( + `Classified: ${connected.size} connected, ${disconnected.size} disconnected, ${reroutes.size} reroutes` + ); + + return { connected, disconnected, reroutes }; +} diff --git a/src/layout/ordering.ts b/src/layout/ordering.ts new file mode 100644 index 0000000..d35209d --- /dev/null +++ b/src/layout/ordering.ts @@ -0,0 +1,195 @@ +import type { LayoutState, Layer, LayoutNode } from "./types"; + +/** + * Minimize edge crossings using size-aware barycenter heuristic + * Uses cumulative height positions instead of simple indices + * Alternates forward and backward sweeps + */ +export function minimizeCrossings(state: LayoutState): void { + const { layers, nodes, config } = state; + + if (layers.length < 2) return; + + // Initial ordering: sort by node height (tall nodes first reduces gaps) + for (const layer of layers) { + layer.nodes.sort((a, b) => b.height - a.height); + layer.nodes.forEach((n, i) => { + n.orderInLayer = i; + }); + } + + // Pre-compute cumulative height positions for size-aware barycenter + const heightPositions = new Map(); + updateHeightPositions(layers, heightPositions, config.verticalGap); + + // Iterative improvement with forward/backward sweeps + for (let iter = 0; iter < config.maxIterations; iter++) { + const improved = + iter % 2 === 0 + ? sweepForward(layers, nodes, heightPositions, config.verticalGap) + : sweepBackward(layers, nodes, heightPositions, config.verticalGap); + + if (!improved) break; + } +} + +/** + * Compute cumulative height positions for each node + * This gives a position-like weight for size-aware ordering + */ +function updateHeightPositions( + layers: Layer[], + positions: Map, + verticalGap: number +): void { + for (const layer of layers) { + let y = 0; + for (const node of layer.nodes) { + // Position is center of node + positions.set(node.id, y + node.height / 2); + y += node.height + verticalGap; + } + } +} + +/** + * Forward sweep: order each layer based on predecessors in previous layer + * Uses height-aware positions for better size consideration + */ +function sweepForward( + layers: Layer[], + nodes: Map, + heightPositions: Map, + verticalGap: number +): boolean { + let improved = false; + + for (let i = 1; i < layers.length; i++) { + const currLayer = layers[i]; + + // Compute size-aware barycenter for each node + const barycenters = new Map(); + + for (const node of currLayer.nodes) { + if (node.predecessors.length > 0) { + let sum = 0; + let count = 0; + + for (const predId of node.predecessors) { + const pred = nodes.get(predId); + if (pred && pred.layer === i - 1) { + // Use height position instead of simple index + const pos = heightPositions.get(predId) ?? pred.orderInLayer; + sum += pos; + count++; + } + } + + if (count > 0) { + barycenters.set(node.id, sum / count); + } else { + barycenters.set(node.id, heightPositions.get(node.id) ?? 0); + } + } else { + barycenters.set(node.id, heightPositions.get(node.id) ?? 0); + } + } + + // Sort by barycenter, tie-break by ID for determinism + const oldOrder = currLayer.nodes.map((n) => n.id).join(","); + currLayer.nodes.sort((a, b) => { + const aBar = barycenters.get(a.id) ?? 0; + const bBar = barycenters.get(b.id) ?? 0; + const diff = aBar - bBar; + return diff !== 0 ? diff : a.id - b.id; + }); + + // Reassign integer order + currLayer.nodes.forEach((n, idx) => { + n.orderInLayer = idx; + }); + + // Update height positions for next iteration + let y = 0; + for (const node of currLayer.nodes) { + heightPositions.set(node.id, y + node.height / 2); + y += node.height + verticalGap; + } + + const newOrder = currLayer.nodes.map((n) => n.id).join(","); + if (oldOrder !== newOrder) improved = true; + } + + return improved; +} + +/** + * Backward sweep: order each layer based on successors in next layer + * Uses height-aware positions for better size consideration + */ +function sweepBackward( + layers: Layer[], + nodes: Map, + heightPositions: Map, + verticalGap: number +): boolean { + let improved = false; + + for (let i = layers.length - 2; i >= 0; i--) { + const currLayer = layers[i]; + + // Compute size-aware barycenter for each node based on successors + const barycenters = new Map(); + + for (const node of currLayer.nodes) { + if (node.successors.length > 0) { + let sum = 0; + let count = 0; + + for (const succId of node.successors) { + const succ = nodes.get(succId); + if (succ && succ.layer === i + 1) { + // Use height position instead of simple index + const pos = heightPositions.get(succId) ?? succ.orderInLayer; + sum += pos; + count++; + } + } + + if (count > 0) { + barycenters.set(node.id, sum / count); + } else { + barycenters.set(node.id, heightPositions.get(node.id) ?? 0); + } + } else { + barycenters.set(node.id, heightPositions.get(node.id) ?? 0); + } + } + + // Sort by barycenter, tie-break by ID for determinism + const oldOrder = currLayer.nodes.map((n) => n.id).join(","); + currLayer.nodes.sort((a, b) => { + const aBar = barycenters.get(a.id) ?? 0; + const bBar = barycenters.get(b.id) ?? 0; + const diff = aBar - bBar; + return diff !== 0 ? diff : a.id - b.id; + }); + + // Reassign integer order + currLayer.nodes.forEach((n, idx) => { + n.orderInLayer = idx; + }); + + // Update height positions for next iteration + let y = 0; + for (const node of currLayer.nodes) { + heightPositions.set(node.id, y + node.height / 2); + y += node.height + verticalGap; + } + + const newOrder = currLayer.nodes.map((n) => n.id).join(","); + if (oldOrder !== newOrder) improved = true; + } + + return improved; +} diff --git a/src/layout/positioning.ts b/src/layout/positioning.ts new file mode 100644 index 0000000..397db7a --- /dev/null +++ b/src/layout/positioning.ts @@ -0,0 +1,901 @@ +import type { LayoutState, LayoutGroup, LGraphNode, LGraphGroup, LayoutConfig, PackedRow, LayoutNode } from "./types"; + +/** + * Entity type for unified overlap resolution + * Represents either a group or a standalone node + */ +interface LayoutEntity { + id: string; + type: "group" | "node"; + priority: number; + x: number; + y: number; + width: number; + height: number; + group?: LGraphGroup; + node?: LGraphNode; + layoutGroup?: LayoutGroup; +} +import { packNodesIntoRows, getPackedWidth } from "./bin-pack"; +import { restoreReroutePositions } from "./reroute-collapse"; +import { debugLog } from "../index"; + +/** Title bar height for groups */ +const GROUP_TITLE_HEIGHT = 50; + +/** + * Calculate disconnected zone width if there are disconnected nodes + */ +function getDisconnectedZoneWidth(state: LayoutState): number { + const { disconnectedNodes, allNodes, config } = state; + + if (!disconnectedNodes || disconnectedNodes.size === 0 || !allNodes) { + return 0; + } + + let maxWidth = 0; + for (const nodeId of disconnectedNodes) { + const node = allNodes.get(nodeId); + if (node) { + maxWidth = Math.max(maxWidth, node.size?.[0] ?? 200); + } + } + return maxWidth + config.disconnectedGap; +} + +/** + * Assign X coordinates to layers + * Accounts for disconnected zone on the left if present + */ +export function assignLayerXPositions(state: LayoutState): void { + const { layers, config } = state; + const disconnectedZoneWidth = getDisconnectedZoneWidth(state); + + let x = config.startX + disconnectedZoneWidth; + for (const layer of layers) { + layer.x = x; + x += layer.maxWidth + config.horizontalGap; + } +} + +/** + * Recalculate layer X positions after bin packing updates maxWidth + * Also updates node X positions to maintain their offset within each layer + * Must be called AFTER assignNodeYPositions which updates layer.maxWidth + */ +export function recalculateLayerXPositions(state: LayoutState): void { + const { layers, config } = state; + const disconnectedZoneWidth = getDisconnectedZoneWidth(state); + + // Store each node's offset from its layer's current X + const nodeOffsets = new Map(); + for (const layer of layers) { + for (const node of layer.nodes) { + nodeOffsets.set(node.id, node.x - layer.x); + } + } + + // Recalculate layer X positions using updated maxWidth + let x = config.startX + disconnectedZoneWidth; + for (const layer of layers) { + layer.x = x; + x += layer.maxWidth + config.horizontalGap; + } + + // Update node X positions based on new layer X + original offset + for (const layer of layers) { + for (const node of layer.nodes) { + const offset = nodeOffsets.get(node.id) ?? 0; + node.x = layer.x + offset; + } + } +} + +/** + * Assign Y coordinates to nodes within each layer using bin packing + * Supports multi-column layout based on config.maxColumns + * Tracks reserved regions to prevent group/node overlaps within same layer + */ +export function assignNodeYPositions(state: LayoutState): void { + const { layers, config } = state; + + // Store packed rows for reference + const packedRows = new Map(); + + for (const layer of layers) { + // Separate groups (placed first, full width) from standalone nodes + const groupNodes = layer.nodes.filter((n) => n.isGroupRepresentative); + const standaloneNodes = layer.nodes.filter((n) => !n.isGroupRepresentative); + + let y = config.startY; + const reservedRegions: Array<{ top: number; bottom: number }> = []; + + // Position groups first, tracking their Y regions + for (const node of groupNodes) { + node.x = layer.x; + node.y = y; + reservedRegions.push({ top: y, bottom: y + node.height }); + y += node.height + config.verticalGap; + } + + // Bin pack standalone nodes, avoiding reserved regions + if (standaloneNodes.length > 0) { + // Build size map for bin packing + const sizes = new Map(); + for (const node of standaloneNodes) { + sizes.set(node.id, { width: node.width, height: node.height }); + } + + // Pack nodes into rows + const nodeIds = standaloneNodes.map((n) => n.id); + const rows = packNodesIntoRows(nodeIds, sizes, config); + + packedRows.set(layer.index, rows); + + // Assign positions based on packed rows + for (const row of rows) { + let rowX = layer.x; + let rowY = y + row.yOffset; + + // Check if row overlaps any reserved region + for (const region of reservedRegions) { + if (rowY < region.bottom && rowY + row.height > region.top) { + rowY = region.bottom + config.verticalGap; + } + } + + for (const nodeId of row.nodes) { + const node = standaloneNodes.find((n) => n.id === nodeId); + if (node) { + node.x = rowX; + node.y = rowY; + rowX += node.width + config.horizontalGap; + } + } + } + + // Update layer maxWidth to account for packed rows + const maxRowWidth = getPackedWidth(rows); + if (maxRowWidth > layer.maxWidth) { + layer.maxWidth = maxRowWidth; + } + } + } + + state.packedRows = packedRows; +} + +/** + * Place disconnected nodes in the left margin zone + * Uses bin packing for compact arrangement + */ +export function placeDisconnectedNodes(state: LayoutState): void { + const { disconnectedNodes, allNodes, nodeToGroup, config } = state; + + if (!disconnectedNodes || disconnectedNodes.size === 0 || !allNodes) { + return; + } + + // Filter out disconnected nodes that are inside groups - they're positioned with their group + const standaloneDisconnected: number[] = []; + for (const nodeId of disconnectedNodes) { + if (nodeToGroup?.has(nodeId)) { + continue; // Skip - this node is inside a group + } + standaloneDisconnected.push(nodeId); + } + + if (standaloneDisconnected.length === 0) { + debugLog(`All ${disconnectedNodes.size} disconnected nodes are inside groups`); + return; + } + + // Build size map + const sizes = new Map(); + for (const nodeId of standaloneDisconnected) { + const node = allNodes.get(nodeId); + if (node) { + sizes.set(nodeId, { + width: node.size?.[0] ?? 200, + height: node.size?.[1] ?? 100, + }); + } + } + + // Pack into rows using config settings + const rows = packNodesIntoRows(standaloneDisconnected, sizes, { + ...config, + maxColumns: 1, // Stack vertically in left margin + }); + + // Position at startX, startY (left of main DAG) + const x = config.startX; + const y = config.startY; + + for (const row of rows) { + for (const nodeId of row.nodes) { + const node = allNodes.get(nodeId); + if (node && node.pos) { + // Skip locked/pinned nodes + if (node.flags?.pinned || node.locked) { + continue; + } + node.pos[0] = x; + node.pos[1] = y + row.yOffset; + } + } + } + + debugLog( + `Placed ${standaloneDisconnected.length} disconnected nodes in left margin (${disconnectedNodes.size - standaloneDisconnected.length} inside groups)` + ); +} + +/** + * Apply computed positions to actual ComfyUI nodes + * Handles standalone nodes, subgraph I/O nodes, top-level groups, and nested groups recursively + * Also restores reroute positions and places disconnected nodes + */ +export function applyPositions(state: LayoutState): void { + const { nodes, groupRepresentatives, allNodes, groups, config, rerouteChains } = state; + + // First: Apply positions to standalone nodes (including I/O nodes) + for (const layoutNode of nodes.values()) { + if (layoutNode.isGroupRepresentative) { + // This is a group - handled below with recursive positioning + continue; + } + + // Handle subgraph I/O nodes (update pos array directly) + if (layoutNode.isSubgraphIO && layoutNode.runtimeIONode) { + layoutNode.runtimeIONode.pos[0] = layoutNode.x; + layoutNode.runtimeIONode.pos[1] = layoutNode.y; + debugLog( + `Positioned I/O node id=${layoutNode.id} to [${layoutNode.x}, ${layoutNode.y}]` + ); + continue; + } + + const comfyNode = layoutNode.node; + + // Skip locked/pinned nodes + if (comfyNode.flags?.pinned || comfyNode.locked) { + continue; + } + + // Update position + if (comfyNode.pos) { + comfyNode.pos[0] = layoutNode.x; + comfyNode.pos[1] = layoutNode.y; + } + } + + // Second: Position group contents recursively (top-level groups only) + if (groupRepresentatives && allNodes && groups) { + // Find top-level groups (no parent) + const topLevelGroups = groups.filter((g) => !g.parentGroup); + + for (const topGroup of topLevelGroups) { + const repId = groupRepresentatives.get(topGroup); + if (repId === undefined) continue; + + const repNode = nodes.get(repId); + if (!repNode) continue; + + // Start positioning at the group's content area + const startX = repNode.x + config.groupPadding; + const startY = repNode.y + config.groupPadding + GROUP_TITLE_HEIGHT; + + positionGroupContents(topGroup, startX, startY, allNodes, config); + } + } + + // Third: Place disconnected nodes in left margin + placeDisconnectedNodes(state); + + // Fourth: Restore reroute positions along their chain edges + if (rerouteChains && rerouteChains.length > 0 && allNodes) { + // Build positions and sizes maps from actual nodes + const positions = new Map(); + const sizes = new Map(); + + for (const [id, node] of allNodes) { + if (node.pos) { + positions.set(id, { x: node.pos[0], y: node.pos[1] }); + } + if (node.size) { + sizes.set(id, { width: node.size[0], height: node.size[1] }); + } + } + + // Also include layout node positions (for nodes we just positioned) + for (const layoutNode of nodes.values()) { + positions.set(layoutNode.id, { x: layoutNode.x, y: layoutNode.y }); + sizes.set(layoutNode.id, { width: layoutNode.width, height: layoutNode.height }); + } + + // Restore reroute positions + restoreReroutePositions(rerouteChains, positions, sizes); + + // Apply restored positions to actual nodes + for (const chain of rerouteChains) { + for (const rerouteId of chain.nodes) { + const pos = positions.get(rerouteId); + const node = allNodes.get(rerouteId); + if (pos && node && node.pos) { + node.pos[0] = pos.x; + node.pos[1] = pos.y; + } + } + } + + debugLog( + `Restored ${rerouteChains.length} reroute chains` + ); + } +} + +/** + * Get internal edges between group members by examining node connections + * Returns array of [sourceId, targetId] pairs where both are in the group + */ +function getInternalEdges( + memberIds: Set, + allNodes: Map +): Array<[number, number]> { + const edges: Array<[number, number]> = []; + + // Build a map of linkId -> sourceNodeId for all member outputs + const linkToSource = new Map(); + for (const memberId of memberIds) { + const node = allNodes.get(memberId); + if (!node?.outputs) continue; + + for (const output of node.outputs) { + if (output.links) { + for (const linkId of output.links) { + linkToSource.set(linkId, memberId); + } + } + } + } + + // Check each member's inputs to find internal connections + for (const memberId of memberIds) { + const node = allNodes.get(memberId); + if (!node?.inputs) continue; + + for (const input of node.inputs) { + if (input.link !== null && input.link !== undefined) { + const sourceId = linkToSource.get(input.link); + if (sourceId !== undefined && memberIds.has(sourceId)) { + edges.push([sourceId, memberId]); + } + } + } + } + + return edges; +} + +/** + * Assign layers to group members using longest-path algorithm + * Returns members grouped by layer (index 0 = sources) + */ +function assignMemberLayers( + memberIds: Set, + edges: Array<[number, number]>, + allNodes: Map +): LGraphNode[][] { + // Build adjacency and in-degree + const successors = new Map(); + const inDegree = new Map(); + + for (const id of memberIds) { + successors.set(id, []); + inDegree.set(id, 0); + } + + for (const [source, target] of edges) { + successors.get(source)!.push(target); + inDegree.set(target, (inDegree.get(target) ?? 0) + 1); + } + + // Longest-path layer assignment via topological sort + const nodeLayer = new Map(); + const queue: number[] = []; + + // Start with sources (in-degree 0) + for (const id of memberIds) { + if ((inDegree.get(id) ?? 0) === 0) { + queue.push(id); + nodeLayer.set(id, 0); + } + } + + while (queue.length > 0) { + const current = queue.shift()!; + const currentLayer = nodeLayer.get(current) ?? 0; + + for (const succ of successors.get(current) ?? []) { + // Update successor layer to max of current paths + const succLayer = nodeLayer.get(succ) ?? 0; + nodeLayer.set(succ, Math.max(succLayer, currentLayer + 1)); + + // Decrease in-degree and add to queue when all predecessors processed + const newInDegree = (inDegree.get(succ) ?? 1) - 1; + inDegree.set(succ, newInDegree); + if (newInDegree === 0) { + queue.push(succ); + } + } + } + + // Handle any unvisited nodes (cycles or disconnected) + for (const id of memberIds) { + if (!nodeLayer.has(id)) { + nodeLayer.set(id, 0); + } + } + + // Group by layer + const maxLayer = Math.max(...nodeLayer.values(), 0); + const layers: LGraphNode[][] = Array.from({ length: maxLayer + 1 }, () => []); + + for (const id of memberIds) { + const node = allNodes.get(id); + if (node) { + const layer = nodeLayer.get(id) ?? 0; + layers[layer].push(node); + } + } + + return layers; +} + +/** + * Re-layout group contents using proper Sugiyama-style layout for connected members + * or bin packing for disconnected members + * Returns the final Y position after all contents + */ +function positionGroupContents( + group: LayoutGroup, + startX: number, + startY: number, + allNodes: Map, + config: LayoutConfig +): number { + // Collect non-locked members + const members: LGraphNode[] = []; + for (const nodeId of group.memberIds) { + const node = allNodes.get(nodeId); + if (!node) continue; + if (node.flags?.pinned || node.locked) continue; + members.push(node); + } + + // Handle empty group + if (members.length === 0 && group.childGroups.length === 0) { + return startY; + } + + debugLog(`layoutGroupContents "${group.group.title}": startX=${startX}, members=${members.length}, childGroups=${group.childGroups.length}`); + + // Get internal edges between members + const edges = getInternalEdges(group.memberIds, allNodes); + + let finalY = startY; + + if (members.length > 0) { + if (edges.length > 0) { + // Has internal connections - use layer-based layout + const layers = assignMemberLayers(group.memberIds, edges, allNodes); + + let x = startX; + for (let layerIdx = 0; layerIdx < layers.length; layerIdx++) { + const layer = layers[layerIdx]; + if (layer.length === 0) continue; + + // Sort layer by height (tallest first for stable layout) + layer.sort((a, b) => (b.size?.[1] ?? 100) - (a.size?.[1] ?? 100)); + + let y = startY; + let layerMaxWidth = 0; + + for (const node of layer) { + if (node.pos) { + node.pos[0] = x; + node.pos[1] = y; + debugLog(` Member ${node.id} (${node.type}): layer ${layerIdx}, pos [${x}, ${y}]`); + } + + layerMaxWidth = Math.max(layerMaxWidth, node.size?.[0] ?? 200); + y += (node.size?.[1] ?? 100) + config.verticalGap; + } + + finalY = Math.max(finalY, y - config.verticalGap); + x += layerMaxWidth + config.horizontalGap; + } + } else { + // No internal connections - use simple vertical stacking with bin pack + // Sort by height for consistent layout + members.sort((a, b) => (b.size?.[1] ?? 100) - (a.size?.[1] ?? 100)); + + // Build sizes map + const sizes = new Map(); + for (const node of members) { + sizes.set(node.id, { + width: node.size?.[0] ?? 200, + height: node.size?.[1] ?? 100, + }); + } + + // Pack into rows + const nodeIds = members.map((n) => n.id); + const rows = packNodesIntoRows(nodeIds, sizes, config); + + let y = startY; + for (const row of rows) { + let x = startX; + for (const nodeId of row.nodes) { + const node = allNodes.get(nodeId); + if (node?.pos) { + node.pos[0] = x; + node.pos[1] = y; + debugLog(` Member ${node.id} (${node.type}): packed pos [${x}, ${y}]`); + x += (node.size?.[0] ?? 200) + config.horizontalGap; + } + } + y += row.height + config.verticalGap; + } + finalY = y - config.verticalGap; + } + } + + // Position child groups after members + for (const child of group.childGroups) { + // Calculate child group's content area + const childStartX = startX; + const childStartY = finalY + config.verticalGap; + + // First, layout the child group's contents + const childEndY = positionGroupContents(child, childStartX, childStartY + GROUP_TITLE_HEIGHT, allNodes, config); + + // Update child group position + if (child.group.pos) { + child.group.pos[0] = childStartX - config.groupPadding; + child.group.pos[1] = childStartY - config.groupPadding; + debugLog(` Child group "${child.group.title}": pos [${child.group.pos[0]}, ${child.group.pos[1]}]`); + } + + finalY = childEndY + config.groupPadding; + } + + return finalY; +} + +/** + * Calculate vertical bounds of nodes in a layer + * Returns actual min/max Y by iterating all nodes, not assuming array order + * (Array order is by barycenter, not Y position after bin-packing) + */ +function getLayerBounds(nodes: LayoutNode[]): { minY: number; maxY: number } | null { + if (nodes.length === 0) return null; + + let minY = Infinity; + let maxY = -Infinity; + + for (const node of nodes) { + minY = Math.min(minY, node.y); + maxY = Math.max(maxY, node.y + node.height); + } + + if (minY === Infinity) return null; + return { minY, maxY }; +} + +/** + * Compact vertical layout to reduce gaps + * Centers layers against the tallest non-group layer + * Groups are excluded from max calculation to prevent Y explosion + */ +export function compactVertically(state: LayoutState): void { + const { layers } = state; + + // Calculate max height from STANDALONE nodes only (exclude groups) + // Groups are outliers that can be 4000px+, which would push all other layers down + let maxTotalHeight = 0; + + for (const layer of layers) { + const standaloneNodes = layer.nodes.filter((n) => !n.isGroupRepresentative); + + if (standaloneNodes.length === 0) { + // Layer is all groups, skip from max calculation + continue; + } + + const bounds = getLayerBounds(standaloneNodes); + if (!bounds) continue; + + const layerHeight = bounds.maxY - bounds.minY; + maxTotalHeight = Math.max(maxTotalHeight, layerHeight); + } + + // If no standalone layers, skip centering entirely + if (maxTotalHeight === 0) return; + + // Center each layer against maxTotalHeight + for (const layer of layers) { + if (layer.nodes.length === 0) continue; + + const bounds = getLayerBounds(layer.nodes); + if (!bounds) continue; + + const layerHeight = bounds.maxY - bounds.minY; + const offset = (maxTotalHeight - layerHeight) / 2; + + for (const node of layer.nodes) { + node.y += offset; + } + } +} + +/** + * Collect all entities (groups and standalone nodes) for overlap resolution + * Assigns priority: groups=100, connected nodes=50, disconnected=10 + */ +function collectEntities(state: LayoutState): LayoutEntity[] { + const entities: LayoutEntity[] = []; + const { groups, allNodes, nodeToGroup, disconnectedNodes } = state; + + if (!allNodes) return entities; + + // Add top-level groups (high priority - they anchor) + for (const lg of groups ?? []) { + if (lg.parentGroup) continue; // Skip nested, handled with parent + entities.push({ + id: `group_${lg.group.title ?? entities.length}`, + type: "group", + priority: 100, + x: lg.group.pos?.[0] ?? 0, + y: lg.group.pos?.[1] ?? 0, + width: lg.group.size?.[0] ?? 0, + height: lg.group.size?.[1] ?? 0, + group: lg.group, + layoutGroup: lg, + }); + } + + // Add standalone nodes (lower priority) + for (const [nodeId, node] of allNodes) { + if (nodeToGroup?.has(nodeId)) continue; // Inside group + if (node.flags?.pinned || node.locked) continue; + + const isDisconnected = disconnectedNodes?.has(nodeId) ?? false; + entities.push({ + id: `node_${nodeId}`, + type: "node", + priority: isDisconnected ? 10 : 50, + x: node.pos?.[0] ?? 0, + y: node.pos?.[1] ?? 0, + width: node.size?.[0] ?? 200, + height: node.size?.[1] ?? 100, + node, + }); + } + + return entities; +} + +/** + * Apply position shift to an entity (group or node) + * For groups, also shifts all member nodes and child groups + */ +function applyEntityShift( + entity: LayoutEntity, + dx: number, + dy: number, + allNodes: Map +): void { + if (entity.type === "group" && entity.group && entity.layoutGroup) { + // Shift group position + if (entity.group.pos) { + entity.group.pos[0] += dx; + entity.group.pos[1] += dy; + } + // Shift all member nodes + for (const nodeId of entity.layoutGroup.memberIds) { + const node = allNodes.get(nodeId); + if (node?.pos) { + node.pos[0] += dx; + node.pos[1] += dy; + } + } + // Shift child groups recursively + shiftChildGroups(entity.layoutGroup, dx, dy, allNodes); + } else if (entity.type === "node" && entity.node?.pos) { + entity.node.pos[0] += dx; + entity.node.pos[1] += dy; + } +} + +/** + * Scanline overlap resolution for X-axis (push right) + * Entities are sorted by X, overlapping entities are pushed right + * Higher priority entities anchor, lower priority pushed + * Returns true if any entity was moved + */ +function scanlineResolveX( + entities: LayoutEntity[], + config: LayoutConfig, + allNodes: Map +): boolean { + let anyChanged = false; + let iterations = 0; + const maxIterations = entities.length * 2; + + let changed = true; + while (changed && iterations < maxIterations) { + changed = false; + iterations++; + + // Sort by X position, then by priority (higher priority = earlier in sort) + entities.sort((a, b) => a.x - b.x || b.priority - a.priority); + + for (let i = 0; i < entities.length; i++) { + const anchor = entities[i]; + + for (let j = i + 1; j < entities.length; j++) { + const pushed = entities[j]; + + // Check Y overlap (must overlap on Y axis to need X separation) + const yOverlap = + anchor.y < pushed.y + pushed.height + config.verticalGap && + pushed.y < anchor.y + anchor.height + config.verticalGap; + if (!yOverlap) continue; + + // Check X overlap + const requiredX = anchor.x + anchor.width + config.horizontalGap; + if (pushed.x < requiredX) { + // Overlap! Push entity j to the right + const dx = requiredX - pushed.x; + pushed.x = requiredX; + applyEntityShift(pushed, dx, 0, allNodes); + changed = true; + anyChanged = true; + debugLog(`Scanline X: ${pushed.id} right ${dx.toFixed(0)}px (avoid ${anchor.id})`); + } + } + } + } + + if (iterations > 1) { + debugLog(`X-axis scanline: ${iterations} iterations`); + } + return anyChanged; +} + +/** + * Scanline overlap resolution for Y-axis (push down) + * Entities are sorted by Y, overlapping entities are pushed down + * Higher priority entities anchor, lower priority pushed + * Returns true if any entity was moved + */ +function scanlineResolveY( + entities: LayoutEntity[], + config: LayoutConfig, + allNodes: Map +): boolean { + let anyChanged = false; + let iterations = 0; + const maxIterations = entities.length * 2; + + let changed = true; + while (changed && iterations < maxIterations) { + changed = false; + iterations++; + + // Sort by Y position, then by priority (higher priority = earlier) + entities.sort((a, b) => a.y - b.y || b.priority - a.priority); + + for (let i = 0; i < entities.length; i++) { + const anchor = entities[i]; + + for (let j = i + 1; j < entities.length; j++) { + const pushed = entities[j]; + + // Check X overlap (must overlap on X axis to need Y separation) + const xOverlap = + anchor.x < pushed.x + pushed.width + config.horizontalGap && + pushed.x < anchor.x + anchor.width + config.horizontalGap; + if (!xOverlap) continue; + + // Check Y overlap + const requiredY = anchor.y + anchor.height + config.verticalGap; + if (pushed.y < requiredY) { + // Overlap! Push entity j down + const dy = requiredY - pushed.y; + pushed.y = requiredY; + applyEntityShift(pushed, 0, dy, allNodes); + changed = true; + anyChanged = true; + debugLog(`Scanline Y: ${pushed.id} down ${dy.toFixed(0)}px (avoid ${anchor.id})`); + } + } + } + } + + if (iterations > 1) { + debugLog(`Y-axis scanline: ${iterations} iterations`); + } + return anyChanged; +} + +/** + * Recursively shift all member nodes and nested child groups + */ +function shiftGroupContentsRecursively( + layoutGroup: LayoutGroup, + dx: number, + dy: number, + allNodes: Map +): void { + // Shift member nodes of this group + for (const nodeId of layoutGroup.memberIds) { + const node = allNodes.get(nodeId); + if (node?.pos) { + node.pos[0] += dx; + node.pos[1] += dy; + } + } + // Shift child groups and their contents recursively + for (const child of layoutGroup.childGroups) { + if (child.group.pos) { + child.group.pos[0] += dx; + child.group.pos[1] += dy; + } + shiftGroupContentsRecursively(child, dx, dy, allNodes); + } +} + +/** + * Recursively shift child groups and their members + */ +function shiftChildGroups( + layoutGroup: LayoutGroup, + dx: number, + dy: number, + allNodes: Map +): void { + for (const child of layoutGroup.childGroups) { + if (child.group.pos) { + child.group.pos[0] += dx; + child.group.pos[1] += dy; + } + shiftGroupContentsRecursively(child, dx, dy, allNodes); + } +} + +/** + * Unified overlap resolution using scanline algorithm + * Uses priority-based monotonic pushing (right/down only) to prevent oscillation + * Groups have highest priority and anchor in place + */ +export function resolveAllOverlaps(state: LayoutState): void { + const { allNodes, config } = state; + if (!allNodes) return; + + const entities = collectEntities(state); + if (entities.length < 2) { + debugLog(`Overlap resolution: ${entities.length} entities (skipped)`); + return; + } + + // Pass 1: X-axis (left-to-right pushing) + scanlineResolveX(entities, config, allNodes); + + // Pass 2: Y-axis (top-to-bottom pushing) + scanlineResolveY(entities, config, allNodes); + + debugLog(`Overlap resolution: ${entities.length} entities processed`); +} diff --git a/src/layout/reroute-collapse.ts b/src/layout/reroute-collapse.ts new file mode 100644 index 0000000..74f302a --- /dev/null +++ b/src/layout/reroute-collapse.ts @@ -0,0 +1,277 @@ +import type { LGraph, LLink, RerouteChain } from "./types"; +import { debugLog } from "../index"; + +/** Link info for chain detection */ +interface LinkInfo { + linkId: number; + originId: number; + originSlot: number; + targetId: number; + targetSlot: number; +} + +/** + * Iterate over links in a graph (handles Map, Record, and Array formats) + */ +function* iterateLinks( + links: Map | Record | LLink[] +): Generator { + if (links instanceof Map) { + for (const link of links.values()) { + if (link) yield link; + } + } else if (Array.isArray(links)) { + for (const link of links) { + if (link) yield link; + } + } else { + for (const link of Object.values(links)) { + if (link) yield link; + } + } +} + +/** + * Find reroute chains in the graph + * + * A chain is a sequence of reroute nodes connected linearly: + * Source -> Reroute1 -> Reroute2 -> ... -> Target(s) + * + * Returns chains that can be collapsed into virtual edges + */ +export function findRerouteChains( + graph: LGraph, + reroutes: Set +): RerouteChain[] { + if (!graph.links || reroutes.size === 0) return []; + + // Build link info maps + // incomingLinks: target -> [links pointing to it] + // outgoingLinks: origin -> [links from it] + const incomingLinks = new Map(); + const outgoingLinks = new Map(); + + for (const link of iterateLinks(graph.links)) { + if (!link || typeof link.origin_id !== "number" || typeof link.target_id !== "number") { + continue; + } + + const info: LinkInfo = { + linkId: link.id, + originId: link.origin_id, + originSlot: link.origin_slot, + targetId: link.target_id, + targetSlot: link.target_slot, + }; + + if (!incomingLinks.has(link.target_id)) { + incomingLinks.set(link.target_id, []); + } + incomingLinks.get(link.target_id)!.push(info); + + if (!outgoingLinks.has(link.origin_id)) { + outgoingLinks.set(link.origin_id, []); + } + outgoingLinks.get(link.origin_id)!.push(info); + } + + // Find chain starts: reroutes that are fed by a non-reroute + const visitedReroutes = new Set(); + const chains: RerouteChain[] = []; + + for (const rerouteId of reroutes) { + if (visitedReroutes.has(rerouteId)) continue; + + const incoming = incomingLinks.get(rerouteId) ?? []; + + // Find non-reroute sources feeding this reroute + for (const link of incoming) { + if (reroutes.has(link.originId)) { + // Source is also a reroute, this isn't a chain start + continue; + } + + // Found a chain start: non-reroute -> reroute + const chain = traceRerouteChain( + rerouteId, + link.originId, + link.originSlot, + reroutes, + outgoingLinks, + visitedReroutes + ); + + if (chain.nodes.length > 0) { + chains.push(chain); + } + } + } + + debugLog(`Found ${chains.length} reroute chains`); + + return chains; +} + +/** + * Trace a reroute chain from start to end + */ +function traceRerouteChain( + startRerouteId: number, + sourceNode: number, + sourceSlot: number, + reroutes: Set, + outgoingLinks: Map, + visitedReroutes: Set +): RerouteChain { + const chainNodes: number[] = []; + const targets: Array<{ node: number; slot: number }> = []; + + let currentId = startRerouteId; + + while (reroutes.has(currentId) && !visitedReroutes.has(currentId)) { + visitedReroutes.add(currentId); + chainNodes.push(currentId); + + const outgoing = outgoingLinks.get(currentId) ?? []; + + if (outgoing.length === 0) { + // Dead end reroute (no outgoing connections) + break; + } + + // Check where the reroute goes + let nextReroute: number | null = null; + + for (const link of outgoing) { + if (reroutes.has(link.targetId) && !visitedReroutes.has(link.targetId)) { + // Continues to another reroute + nextReroute = link.targetId; + } else if (!reroutes.has(link.targetId)) { + // Goes to a non-reroute target + targets.push({ + node: link.targetId, + slot: link.targetSlot, + }); + } + } + + if (nextReroute !== null) { + currentId = nextReroute; + } else { + // Chain ends here + break; + } + } + + return { + nodes: chainNodes, + sourceNode, + sourceSlot, + targets, + }; +} + +/** + * Create virtual edges that bypass reroute chains + * + * For layout purposes, we replace: + * Source -> Reroute1 -> Reroute2 -> Target + * With: + * Source -> Target (virtual edge) + * + * @returns Map of source node to target nodes (for DAG building) + */ +export function getVirtualEdges( + chains: RerouteChain[] +): Map> { + const virtualEdges = new Map>(); + + for (const chain of chains) { + if (!virtualEdges.has(chain.sourceNode)) { + virtualEdges.set(chain.sourceNode, new Set()); + } + + for (const target of chain.targets) { + virtualEdges.get(chain.sourceNode)!.add(target.node); + } + } + + return virtualEdges; +} + +/** + * Position reroute nodes along their chain edges after layout + * + * Distributes reroutes evenly between source and target positions + */ +export function restoreReroutePositions( + chains: RerouteChain[], + positions: Map, + sizes: Map +): void { + for (const chain of chains) { + if (chain.nodes.length === 0 || chain.targets.length === 0) continue; + + const sourcePos = positions.get(chain.sourceNode); + const sourceSize = sizes.get(chain.sourceNode); + if (!sourcePos || !sourceSize) continue; + + // Calculate average target position + let avgTargetX = 0; + let avgTargetY = 0; + let validTargets = 0; + + for (const target of chain.targets) { + const targetPos = positions.get(target.node); + if (targetPos) { + avgTargetX += targetPos.x; + avgTargetY += targetPos.y; + validTargets++; + } + } + + if (validTargets === 0) continue; + + avgTargetX /= validTargets; + avgTargetY /= validTargets; + + // Source output position (right side of node) + const startX = sourcePos.x + sourceSize.width; + const startY = sourcePos.y + sourceSize.height / 2; + + // Target input position + const endX = avgTargetX; + const endY = avgTargetY; + + // Distribute reroutes evenly along the path + const count = chain.nodes.length; + for (let i = 0; i < count; i++) { + const t = (i + 1) / (count + 1); + const rerouteId = chain.nodes[i]; + + // Linear interpolation + const x = startX + (endX - startX) * t; + const y = startY + (endY - startY) * t; + + // Center the reroute (typical reroute size: 90x26) + const rerouteSize = sizes.get(rerouteId) ?? { width: 90, height: 26 }; + positions.set(rerouteId, { + x: x - rerouteSize.width / 2, + y: y - rerouteSize.height / 2, + }); + } + } +} + +/** + * Get all reroute node IDs from chains (for filtering from main layout) + */ +export function getRerouteNodeIds(chains: RerouteChain[]): Set { + const ids = new Set(); + for (const chain of chains) { + for (const nodeId of chain.nodes) { + ids.add(nodeId); + } + } + return ids; +} diff --git a/src/layout/types.ts b/src/layout/types.ts new file mode 100644 index 0000000..39eb0b4 --- /dev/null +++ b/src/layout/types.ts @@ -0,0 +1,263 @@ +/** + * Minimal type definitions for ComfyUI/LiteGraph + * These match the runtime global objects, not the package exports + */ + +/** Point as [x, y] */ +export type Point = [x: number, y: number]; + +/** Size as [width, height] */ +export type Size = [width: number, height: number]; + +/** Node input slot */ +export interface NodeInputSlot { + name: string; + type: string; + link: number | null; +} + +/** Node output slot */ +export interface NodeOutputSlot { + name: string; + type: string; + links: number[] | null; +} + +/** Node flags */ +export interface NodeFlags { + pinned?: boolean; + collapsed?: boolean; +} + +/** LiteGraph Node */ +export interface LGraphNode { + id: number; + type: string; + title: string; + pos: Point; + size: Size; + inputs: NodeInputSlot[]; + outputs: NodeOutputSlot[]; + flags?: NodeFlags; + locked?: boolean; + order?: number; +} + +/** LiteGraph Group */ +export interface LGraphGroup { + id: number; + title: string; + pos: Point; + size: Size; + _nodes?: LGraphNode[]; + _children?: Set<{ id: number }>; + _bounding?: { + x: number; + y: number; + width: number; + height: number; + set?: (x: number, y: number, w: number, h: number) => void; + }; + resizeTo?: (items: Iterable, padding?: number) => void; +} + +/** LiteGraph Link */ +export interface LLink { + id: number; + origin_id: number; + origin_slot: number; + target_id: number; + target_slot: number; + type: string; +} + +/** Subgraph I/O node (uses bounding array format) */ +export interface SubgraphIONode { + id: number; + bounding: [x: number, y: number, width: number, height: number]; +} + +/** LiteGraph Graph (or Subgraph with I/O nodes) */ +export interface LGraph { + _nodes: LGraphNode[]; + _groups: LGraphGroup[]; + /** Links can be Map, Record, or Array depending on context */ + links: Map | Record | LLink[]; + setDirtyCanvas?: (fg: boolean, bg: boolean) => void; + /** Subgraph input node (only on Subgraph, not root LGraph) */ + inputNode?: SubgraphIONode; + /** Subgraph output node (only on Subgraph, not root LGraph) */ + outputNode?: SubgraphIONode; +} + +/** Layout node with computed metadata */ +export interface LayoutNode { + /** Reference to ComfyUI node */ + node: LGraphNode; + /** Node ID */ + id: number; + /** DAG depth (0 = sources/inputs) */ + layer: number; + /** Vertical position within layer */ + orderInLayer: number; + /** Node IDs this depends on (predecessors) */ + predecessors: number[]; + /** Node IDs that depend on this (successors) */ + successors: number[]; + /** Node width (or group width if representative) */ + width: number; + /** Node height (or group height if representative) */ + height: number; + /** Computed X coordinate */ + x: number; + /** Computed Y coordinate */ + y: number; + /** True if this node represents a group in the layout */ + isGroupRepresentative?: boolean; + /** The group this node represents (if isGroupRepresentative) */ + group?: LayoutGroup; + /** True if this is a subgraph I/O node (input or output boundary) */ + isSubgraphIO?: boolean; + /** Reference to runtime I/O node for position updates (has pos/size) */ + runtimeIONode?: { id: number; pos: [number, number]; size: [number, number] }; +} + +/** Layer = vertical column of nodes */ +export interface Layer { + /** Layer index (0 = leftmost) */ + index: number; + /** Nodes in this layer */ + nodes: LayoutNode[]; + /** Computed X position for this layer */ + x: number; + /** Max node width in this layer */ + maxWidth: number; +} + +/** Layout group tracking with hierarchy support */ +export interface LayoutGroup { + /** Reference to ComfyUI group */ + group: LGraphGroup; + /** Node IDs directly contained (not in child groups) */ + memberIds: Set; + /** Child groups (nested inside this group) */ + childGroups: LayoutGroup[]; + /** Parent group (group containing this one), null for top-level */ + parentGroup: LayoutGroup | null; + /** Nesting depth (0 = top-level) */ + depth: number; + /** Calculated width for the group */ + width: number; + /** Calculated height for the group */ + height: number; +} + +/** Layout configuration */ +export interface LayoutConfig { + /** Horizontal gap between layers */ + horizontalGap: number; + /** Vertical gap between nodes in same layer */ + verticalGap: number; + /** Padding inside groups */ + groupPadding: number; + /** Layout origin X */ + startX: number; + /** Layout origin Y */ + startY: number; + /** Max barycenter iterations */ + maxIterations: number; + /** Max columns per layer (0=auto, 1=disabled/vertical stack, 2+=fixed) */ + maxColumns: number; + /** Max row width before new row when maxColumns=0 */ + maxRowWidth: number; + /** Collapse reroute chains into edge waypoints */ + collapseReroutes: boolean; + /** Gap between disconnected zone and DAG */ + disconnectedGap: number; +} + +/** Default configuration */ +export const DEFAULT_CONFIG: LayoutConfig = { + horizontalGap: 100, + verticalGap: 40, + groupPadding: 30, + startX: 100, + startY: 100, + maxIterations: 24, + maxColumns: 0, + maxRowWidth: 800, + collapseReroutes: true, + disconnectedGap: 150, +}; + +/** Node classification result */ +export interface ClassifiedNodes { + /** Nodes with connections (participate in DAG) */ + connected: Set; + /** Nodes without any connections */ + disconnected: Set; + /** Reroute nodes (for special handling) */ + reroutes: Set; +} + +/** Reroute chain for collapse/restore */ +export interface RerouteChain { + /** Reroute node IDs in order */ + nodes: number[]; + /** Source node before chain */ + sourceNode: number; + /** Source slot index */ + sourceSlot: number; + /** Target nodes after chain */ + targets: Array<{ node: number; slot: number }>; +} + +/** Packed row within a layer (for bin packing) */ +export interface PackedRow { + /** Node IDs in this row */ + nodes: number[]; + /** Max node height in row */ + height: number; + /** Vertical offset from layer start */ + yOffset: number; + /** Total width of nodes + gaps in row */ + width: number; +} + +/** Graph layout state */ +export interface LayoutState { + /** All layout nodes by ID (includes group representatives) */ + nodes: Map; + /** Layers of nodes */ + layers: Layer[]; + /** Groups */ + groups: LayoutGroup[]; + /** Config */ + config: LayoutConfig; + /** Maps node ID to its group (if any) */ + nodeToGroup?: Map; + /** Maps group to its representative node ID */ + groupRepresentatives?: Map; + /** All original ComfyUI nodes by ID */ + allNodes?: Map; + /** Groups organized by depth (index 0 = deepest) for bottom-up processing */ + groupsByDepth?: LayoutGroup[][]; + /** Disconnected node IDs (placed in separate zone) */ + disconnectedNodes?: Set; + /** Collapsed reroute chains (restored after layout) */ + rerouteChains?: RerouteChain[]; + /** Packed rows per layer (for bin-packed layout) */ + packedRows?: Map; +} + +/** Layout result */ +export interface LayoutResult { + /** Number of nodes processed */ + nodeCount: number; + /** Number of layers */ + layerCount: number; + /** Number of groups resized */ + groupCount: number; + /** Execution time in ms */ + executionMs: number; +} diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..ea343d3 --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,25 @@ +{ + "compilerOptions": { + "target": "ES2020", + "useDefineForClassFields": true, + "lib": ["ES2020", "DOM", "DOM.Iterable"], + "module": "ESNext", + "skipLibCheck": true, + + "allowSyntheticDefaultImports": true, + + /* Bundler mode */ + "moduleResolution": "bundler", + "allowImportingTsExtensions": true, + "resolveJsonModule": true, + "isolatedModules": true, + "noEmit": true, + + /* Linting */ + "strict": true, + "noUnusedLocals": true, + "noUnusedParameters": true, + "noFallthroughCasesInSwitch": true + }, + "include": ["vite.config.ts", "src"] +} diff --git a/vite.config.ts b/vite.config.ts new file mode 100644 index 0000000..d147a55 --- /dev/null +++ b/vite.config.ts @@ -0,0 +1,33 @@ +import { defineConfig } from "vite"; +import path from "node:path"; + +// Plugin to insert the ComfyUI custom import at the beginning of the file +const insertComfyUICustomImport = () => { + return { + name: "insert-comfyui-custom-import", + transform(code: string) { + return `import { app } from "/scripts/app.js";\n${code}`; + }, + }; +}; + +export default defineConfig(() => ({ + plugins: [insertComfyUICustomImport()], + build: { + emptyOutDir: true, + rollupOptions: { + // Don't bundle ComfyUI scripts - they will be loaded from the ComfyUI server + external: ["/scripts/app.js", "/scripts/api.js"], + input: { + index: path.resolve(__dirname, "src/index.ts"), + }, + output: { + // Output to the dist/example_ext directory + dir: "dist", + entryFileNames: "[name].js", + chunkFileNames: "[name]-[hash].js", + assetFileNames: "[name][extname]", + }, + }, + }, +}));