- commit
- bc941fb54fee4b4f63ebb70f516ec94a3c6767e4
- parent
- c5417e62ec7026193fa0bf19ece477830b3f31dc
- author
- Dami <dami.etoile@gmail.com>
@@ -60,11 +60,11 @@ catalog engine.
6060 | --- | --- |6161 | Worker JavaScript | Bytefield, Nomnoml, Vega family (Vega and Vega-Lite → Vega), WaveDrom |6262 | Worker Python | BlockDiag family (BlockDiag, SeqDiag, ActDiag, NwDiag, PacketDiag, RackDiag); WireViz → DOT → GraphViz |63-| Worker WebAssembly | GraphViz family (GraphViz and ERD → DOT → GraphViz); Pikchr |63+| Worker WebAssembly | GraphViz family (GraphViz and ERD → DOT → GraphViz); Pikchr; Svgbob |6464 | Sandboxed browser unit | Mermaid, BPMN, Excalidraw |65-| Compatibility unit | 11 dependency units covering the remaining 12 engines |65+| Compatibility unit | 10 dependency units covering the remaining 11 engines |6666 67-The current split is 18/30 engines off Fly and 12/30 still dependent on it.67+The current split is 19/30 engines off Fly and 11/30 still dependent on it.6868 Compatibility units are extraction seams, not final runtimes or fallbacks for6969 an engine after cutover. DBML7070 currently proxies because its published package mixes module formats. GraphViz@@ -4,7 +4,7 @@ import { resolve } from 'node:path'
44 const units = [55 'plantuml-family', 'd2',66 'dbml', 'diagramsnet', 'ditaa', 'goat',7- 'structurizr', 'svgbob', 'symbolator', 'tikz', 'umlet',7+ 'structurizr', 'symbolator', 'tikz', 'umlet',88 ]99 const wrangler = resolve(import.meta.dirname, '../node_modules/.bin/wrangler')1010 const pending = [...units]@@ -8,6 +8,7 @@ const configs = [
88 'wrangler.units/wavedrom.jsonc',99 'wrangler.units/graphviz-family.jsonc',1010 'wrangler.units/pikchr.jsonc',11+ 'wrangler.units/svgbob.jsonc',1112 'wrangler.compatibility/plantuml-family.jsonc',1213 'wrangler.compatibility/d2.jsonc',1314 'wrangler.compatibility/dbml.jsonc',@@ -15,7 +16,6 @@ const configs = [
1516 'wrangler.compatibility/ditaa.jsonc',1617 'wrangler.compatibility/goat.jsonc',1718 'wrangler.compatibility/structurizr.jsonc',18- 'wrangler.compatibility/svgbob.jsonc',1919 'wrangler.compatibility/symbolator.jsonc',2020 'wrangler.compatibility/tikz.jsonc',2121 'wrangler.compatibility/umlet.jsonc',@@ -51,6 +51,7 @@ const sharedUnits = {
5151 const pythonEngines = new Set(['blockdiag', 'seqdiag', 'actdiag', 'nwdiag', 'packetdiag', 'rackdiag'])5252 const graphvizEngines = new Set(['graphviz', 'erd'])5353 const pikchrEngines = new Set(['pikchr'])54+const svgbobEngines = new Set(['svgbob'])5455 const wirevizEngines = new Set(['wireviz'])5556 5657 async function smoke([engine, filename]) {@@ -111,6 +112,14 @@ async function smoke([engine, filename]) {
111112 throw new Error(`${engine}: unexpected Pikchr Worker build ${response.headers.get('X-Renderer-Build')}`)112113 }113114 }115+ if (svgbobEngines.has(engine)) {116+ if (response.headers.get('X-Diagram-Renderer') !== 'edge-wasm') {117+ throw new Error(`${engine}: expected edge-wasm renderer, received ${response.headers.get('X-Diagram-Renderer')}`)118+ }119+ if (!response.headers.get('X-Renderer-Build')?.startsWith('svgbob-0.7.6-edge-wasm-')) {120+ throw new Error(`${engine}: unexpected Svgbob Worker build ${response.headers.get('X-Renderer-Build')}`)121+ }122+ }114123 if (wirevizEngines.has(engine)) {115124 if (response.headers.get('X-Diagram-Renderer') !== 'edge-python') {116125 throw new Error(`${engine}: expected edge-python renderer, received ${response.headers.get('X-Diagram-Renderer')}`)@@ -3,6 +3,7 @@ import { bytefieldAdapter } from './edge/bytefield'
33 import { erdAdapter } from './edge/erd'44 import { graphvizAdapter } from './edge/graphviz'55 import { nomnomlAdapter } from './edge/nomnoml'6+import { svgbobAdapter } from './edge/svgbob'67 import { vegaAdapter } from './edge/vega'78 import { vegaliteAdapter } from './edge/vegalite'89 import { wavedromAdapter } from './edge/wavedrom'@@ -13,6 +14,7 @@ const adapters: Record<EdgeEngineId, RendererAdapter> = {
1314 erd: erdAdapter,1415 graphviz: graphvizAdapter,1516 nomnoml: nomnomlAdapter,17+ svgbob: svgbobAdapter,1618 vega: vegaAdapter,1719 vegalite: vegaliteAdapter,1820 wavedrom: wavedromAdapter,@@ -0,0 +1,90 @@
1+import { RenderError } from '../../errors'2+import type { RendererAdapter } from '../../types'3+import { edgeResult } from './types'4+import { render as renderSvgbob } from '../../vendor/svgbob_wasm.js'5+6+const VERSION = 'svgbob@0.7.6/edge-wasm-1'7+const MAX_SOURCE_BYTES = 256 * 10248+const MAX_OPTION_BYTES = 2569+const DEFAULTS = {10+ background: 'white',11+ fillColor: 'black',12+ fontFamily: 'Iosevka Fixed, monospace',13+ fontSize: 14,14+ scale: 1,15+ strokeWidth: 2,16+} as const17+18+const STRING_OPTIONS = new Set(['background', 'fill-color', 'font-family'])19+const OPTION_STRIP = /[-"$/@*&=;:!\\]/g20+21+function optionString(options: Record<string, string>, name: string, fallback: string): string {22+ const value = options[name]23+ if (value === undefined) return fallback24+ const sanitized = value.replace(OPTION_STRIP, '')25+ if (sanitized.length === 0) throw new RenderError(400, 'invalid_options', `Svgbob option '${name}' cannot be empty.`)26+ if (new TextEncoder().encode(sanitized).byteLength > MAX_OPTION_BYTES) throw new RenderError(413, 'options_too_large', `Svgbob option '${name}' exceeds the 256 byte limit.`)27+ return sanitized28+}29+30+function optionNumber(options: Record<string, string>, name: string, fallback: number, integer = false): number {31+ const value = options[name]32+ if (value === undefined) return fallback33+ const parsed = Number(value)34+ if (!Number.isFinite(parsed) || (integer && !Number.isInteger(parsed)) || parsed <= 0 || parsed > 1000) {35+ throw new RenderError(400, 'invalid_options', `Svgbob option '${name}' must be a finite positive number.`)36+ }37+ return parsed38+}39+40+function optionsFor(options: Record<string, string>): {41+ background: string42+ fillColor: string43+ fontFamily: string44+ fontSize: number45+ scale: number46+ strokeWidth: number47+} {48+ for (const name of Object.keys(options)) {49+ if (!STRING_OPTIONS.has(name) && !['font-size', 'scale', 'stroke-width'].includes(name)) {50+ throw new RenderError(400, 'unsupported_options', `Unsupported Svgbob option: ${name}.`)51+ }52+ }53+ return {54+ background: optionString(options, 'background', DEFAULTS.background),55+ fillColor: optionString(options, 'fill-color', DEFAULTS.fillColor),56+ fontFamily: optionString(options, 'font-family', DEFAULTS.fontFamily),57+ fontSize: optionNumber(options, 'font-size', DEFAULTS.fontSize, true),58+ scale: optionNumber(options, 'scale', DEFAULTS.scale),59+ strokeWidth: optionNumber(options, 'stroke-width', DEFAULTS.strokeWidth),60+ }61+}62+63+export const svgbobAdapter: RendererAdapter = {64+ id: 'svgbob', runtime: 'edge-wasm', version: VERSION,65+ async render(request, signal) {66+ if (signal.aborted) throw signal.reason67+ if (new TextEncoder().encode(request.source).byteLength > MAX_SOURCE_BYTES) {68+ throw new RenderError(413, 'source_too_large', 'Svgbob source exceeds the 256 KiB limit.')69+ }70+ const settings = optionsFor(request.options)71+ if (signal.aborted) throw signal.reason72+ try {73+ const body = renderSvgbob(74+ request.source,75+ settings.background,76+ settings.fillColor,77+ settings.fontFamily,78+ settings.fontSize,79+ settings.scale,80+ settings.strokeWidth,81+ )82+ if (!body.includes('<svg')) throw new RenderError(422, 'render_failed', 'Svgbob returned no SVG.')83+ return edgeResult('svgbob', VERSION, body, 'edge-wasm')84+ } catch (error) {85+ if (error instanceof RenderError) throw error86+ const message = error instanceof Error ? error.message : String(error)87+ throw new RenderError(422, 'render_failed', message.slice(0, 500) || 'Svgbob could not render this source.')88+ }89+ },90+}@@ -1,7 +1,7 @@
11 import { RenderError } from '../../errors'22 import type { RenderResult } from '../../types'33 4-export type EdgeEngineId = 'bytefield' | 'erd' | 'graphviz' | 'nomnoml' | 'vega' | 'vegalite' | 'wavedrom'4+export type EdgeEngineId = 'bytefield' | 'erd' | 'graphviz' | 'nomnoml' | 'svgbob' | 'vega' | 'vegalite' | 'wavedrom'55 66 export function edgeResult(id: EdgeEngineId, version: string, body: string, runtime: 'edge-js' | 'edge-wasm' = 'edge-js'): RenderResult {77 if (typeof body !== 'string' || body.trim() === '') {@@ -59,6 +59,7 @@ const activeRuntime: Partial<Record<EngineId, EngineRuntime>> = {
5959 rackdiag: 'edge-python',6060 graphviz: 'edge-wasm',6161 pikchr: 'edge-wasm',62+ svgbob: 'edge-wasm',6263 erd: 'edge-wasm',6364 wireviz: 'edge-python',6465 }@@ -80,6 +81,7 @@ const versions: Partial<Record<EngineId, string>> = {
8081 rackdiag: 'rackdiag@3.0.0/python-worker-1',8182 graphviz: 'graphviz@15.1.1/edge-wasm-1',8283 pikchr: 'pikchr@85e65b9686/edge-wasm-1',84+ svgbob: 'svgbob@0.7.6/edge-wasm-1',8385 erd: 'erd@0.2.1.0+graphviz@15.1.1/edge-wasm-1',8486 wireviz: 'wireviz@0.3.2/python-translator-1',8587 }@@ -98,6 +100,11 @@ const losses: Partial<Record<EngineId, readonly string[]>> = {
98100 'Pikchr image/resource loading and renderer options are not exposed in the edge unit.',99101 'The edge build is compiled from the pinned Kroki Pikchr source revision 85e65b968651b342c46e6334f4772b45d6cbb4317c5cbaa95d207779a50c6709.',100102 ],103+ svgbob: [104+ 'Only SVG is supported.',105+ 'Kroki stroke-color is not exposed in the edge unit; the pure upstream library does not load external images or resources.',106+ 'The edge build is compiled from upstream svgbob 0.7.6 at pinned commit 04a9d85c4b1879051f205e9e434e058864c3d36f.',107+ ],101108 bytefield: ['Only SVG is in the v2 rendering contract.'],102109 dbml: ['The upstream package mixes ESM files into a CommonJS package and remains on the origin until it can be safely repackaged.'],103110 excalidraw: [@@ -0,0 +1,11 @@
1+import { svgbobAdapter } from '../adapters/edge/svgbob'2+import { createRendererUnit } from '../unit'3+4+export default createRendererUnit({5+ id: 'svgbob', kind: 'render', adapter: svgbobAdapter,6+ knownLosses: [7+ 'Only SVG is supported.',8+ 'Kroki stroke-color is not exposed in the edge unit; the pure upstream library does not load external images or resources.',9+ 'Compiled from upstream svgbob 0.7.6 at commit 04a9d85c4b1879051f205e9e434e058864c3d36f.',10+ ],11+})@@ -0,0 +1,202 @@
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The text should be enclosed in the appropriate185+ comment syntax for the file format. We also recommend that a186+ file or class name and description of purpose be included on the187+ same "printed page" as the copyright notice for easier188+ identification within third-party archives.189+190+ Copyright 2016 Jovansonlee B. Cesar191+192+ Licensed under the Apache License, Version 2.0 (the "License");193+ you may not use this file except in compliance with the License.194+ You may obtain a copy of the License at195+196+ http://www.apache.org/licenses/LICENSE-2.0197+198+ Unless required by applicable law or agreed to in writing, software199+ distributed under the License is distributed on an "AS IS" BASIS,200+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.201+ See the License for the specific language governing permissions and202+ limitations under the License.@@ -0,0 +1,35 @@
1+# Svgbob edge-Wasm provenance2+3+The vendored module is built from the upstream `svgbob` 0.7.6 release at4+commit `04a9d85c4b1879051f205e9e434e058864c3d36f` (the tag points at this5+commit). The wrapper source and locked dependency graph are in6+`diagramzip-render/svgbob-wasm/`.7+8+Builds use Docker image `rust:1.89-bookworm` pinned as9+`rust@sha256:948f9b08a66e7fe01b03a98ef1c7568292e07ec2e4fe90d88c07bb14563c84ff`:10+11+```sh12+docker run --rm -v "$PWD/diagramzip-render/svgbob-wasm:/build" -w /build \13+ rust@sha256:948f9b08a66e7fe01b03a98ef1c7568292e07ec2e4fe90d88c07bb14563c84ff \14+ bash -c 'rustup target add wasm32-unknown-unknown && \15+ cargo build --release --target wasm32-unknown-unknown && \16+ cargo install wasm-bindgen-cli --version 0.2.127 --locked && \17+ wasm-bindgen target/wasm32-unknown-unknown/release/svgbob_wasm.wasm \18+ --target bundler --out-dir /build/pkg'19+```20+21+The checked-in `svgbob_wasm_bg.js` and `svgbob_wasm_bg.wasm` files are copied22+from `/build/pkg`. `svgbob_wasm.js` replaces wasm-bindgen's bundler namespace23+import with a default `CompiledWasm` import and one explicit24+`WebAssembly.Instance`, then calls `__wbindgen_start` once. The wrapper calls25+only Svgbob's pure `Settings` and `to_svg_with_settings` APIs: it performs no26+filesystem, network, DOM, or runtime asset loading.27+28+Artifact SHA-256 digests:29+30+- `svgbob_wasm_bg.wasm`: `9fe54bd259a6c1d83dea684d48d6b90a07661d3d58ec57861fae363c9f4b45b2`31+- `svgbob_wasm_bg.js`: `cab37989e62bd5f00d9ac3dc87d83d4e29c1a47efac1d21909d021efca2b9443`32+- Worker import bridge `svgbob_wasm.js`: `d728d07acb9f24e867504dc6dd4e40a64603a67f6a075aaa1456502c87187c03`33+34+Svgbob 0.7.6 is licensed under Apache-2.0. The upstream license and notices35+are available at https://github.com/ivanceras/svgbob/tree/04a9d85c4b1879051f205e9e434e058864c3d36f.@@ -0,0 +1,11 @@
1+/* @ts-self-types="./svgbob_wasm.d.ts" */2+import wasmModule from "./svgbob_wasm_bg.wasm";3+import * as wasmImports from "./svgbob_wasm_bg.js";4+import { __wbg_set_wasm } from "./svgbob_wasm_bg.js";5+6+const wasm = new WebAssembly.Instance(wasmModule, { "./svgbob_wasm_bg.js": wasmImports }).exports;7+__wbg_set_wasm(wasm);8+wasm.__wbindgen_start();9+export {10+ render11+} from "./svgbob_wasm_bg.js";@@ -0,0 +1,135 @@
1+/**2+ * Render one ASCII source using svgbob's pure library API.3+ *4+ * The JavaScript adapter validates bounds and option syntax. Keeping this5+ * wrapper free of DOM, filesystem, and network APIs makes it usable in a6+ * Cloudflare Worker compiled-Wasm binding.7+ * @param {string} source8+ * @param {string} background9+ * @param {string} fill_color10+ * @param {string} font_family11+ * @param {number} font_size12+ * @param {number} scale13+ * @param {number} stroke_width14+ * @returns {string}15+ */16+export function render(source, background, fill_color, font_family, font_size, scale, stroke_width) {17+ const ptr0 = passStringToWasm0(source, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);18+ const len0 = WASM_VECTOR_LEN;19+ const ptr1 = passStringToWasm0(background, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);20+ const len1 = WASM_VECTOR_LEN;21+ const ptr2 = passStringToWasm0(fill_color, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);22+ const len2 = WASM_VECTOR_LEN;23+ const ptr3 = passStringToWasm0(font_family, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);24+ const len3 = WASM_VECTOR_LEN;25+ const ret = wasm.render(ptr0, len0, ptr1, len1, ptr2, len2, ptr3, len3, font_size, scale, stroke_width);26+ var v5 = getCachedStringFromWasm0(ret[0], ret[1]);27+ if (ret[0] !== 0) { wasm.__wbindgen_free(ret[0], ret[1], 1); }28+ return v5;29+}30+export function __wbg___wbindgen_throw_bb96b2010945f0bc(arg0, arg1) {31+ var v0 = getCachedStringFromWasm0(arg0, arg1);32+ throw new Error(v0);33+}34+export function __wbindgen_init_externref_table() {35+ const table = wasm.__wbindgen_externrefs;36+ const offset = table.grow(4);37+ table.set(0, undefined);38+ table.set(offset + 0, undefined);39+ table.set(offset + 1, null);40+ table.set(offset + 2, true);41+ table.set(offset + 3, false);42+}43+function getCachedStringFromWasm0(ptr, len) {44+ if (ptr === 0) {45+ return getFromExternrefTable0(len);46+ } else {47+ return getStringFromWasm0(ptr, len);48+ }49+}50+51+function getFromExternrefTable0(idx) { return wasm.__wbindgen_externrefs.get(idx); }52+53+function getStringFromWasm0(ptr, len) {54+ return decodeText(ptr >>> 0, len);55+}56+57+let cachedUint8ArrayMemory0 = null;58+function getUint8ArrayMemory0() {59+ if (cachedUint8ArrayMemory0 === null || cachedUint8ArrayMemory0.byteLength === 0) {60+ cachedUint8ArrayMemory0 = new Uint8Array(wasm.memory.buffer);61+ }62+ return cachedUint8ArrayMemory0;63+}64+65+function passStringToWasm0(arg, malloc, realloc) {66+ if (realloc === undefined) {67+ const buf = cachedTextEncoder.encode(arg);68+ const ptr = malloc(buf.length, 1) >>> 0;69+ getUint8ArrayMemory0().subarray(ptr, ptr + buf.length).set(buf);70+ WASM_VECTOR_LEN = buf.length;71+ return ptr;72+ }73+74+ let len = arg.length;75+ let ptr = malloc(len, 1) >>> 0;76+77+ const mem = getUint8ArrayMemory0();78+79+ let offset = 0;80+81+ for (; offset < len; offset++) {82+ const code = arg.charCodeAt(offset);83+ if (code > 0x7F) break;84+ mem[ptr + offset] = code;85+ }86+ if (offset !== len) {87+ if (offset !== 0) {88+ arg = arg.slice(offset);89+ }90+ ptr = realloc(ptr, len, len = offset + arg.length * 3, 1) >>> 0;91+ const view = getUint8ArrayMemory0().subarray(ptr + offset, ptr + len);92+ const ret = cachedTextEncoder.encodeInto(arg, view);93+94+ offset += ret.written;95+ ptr = realloc(ptr, len, offset, 1) >>> 0;96+ }97+98+ WASM_VECTOR_LEN = offset;99+ return ptr;100+}101+102+let cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });103+cachedTextDecoder.decode();104+const MAX_SAFARI_DECODE_BYTES = 2146435072;105+let numBytesDecoded = 0;106+function decodeText(ptr, len) {107+ numBytesDecoded += len;108+ if (numBytesDecoded >= MAX_SAFARI_DECODE_BYTES) {109+ cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });110+ cachedTextDecoder.decode();111+ numBytesDecoded = len;112+ }113+ return cachedTextDecoder.decode(getUint8ArrayMemory0().subarray(ptr, ptr + len));114+}115+116+const cachedTextEncoder = new TextEncoder();117+118+if (!('encodeInto' in cachedTextEncoder)) {119+ cachedTextEncoder.encodeInto = function (arg, view) {120+ const buf = cachedTextEncoder.encode(arg);121+ view.set(buf);122+ return {123+ read: arg.length,124+ written: buf.length125+ };126+ };127+}128+129+let WASM_VECTOR_LEN = 0;130+131+132+let wasm;133+export function __wbg_set_wasm(val) {134+ wasm = val;135+}Binary file.
@@ -0,0 +1,9 @@
1+/* tslint:disable */2+/* eslint-disable */3+export const memory: WebAssembly.Memory;4+export const render: (a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number, i: number, j: number, k: number) => [number, number];5+export const __wbindgen_externrefs: WebAssembly.Table;6+export const __wbindgen_malloc: (a: number, b: number) => number;7+export const __wbindgen_realloc: (a: number, b: number, c: number, d: number) => number;8+export const __wbindgen_free: (a: number, b: number, c: number) => void;9+export const __wbindgen_start: () => void;@@ -0,0 +1,877 @@
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1+use svgbob::{to_svg_with_settings, Settings};2+use wasm_bindgen::prelude::*;3+4+/// Render one ASCII source using svgbob's pure library API.5+///6+/// The JavaScript adapter validates bounds and option syntax. Keeping this7+/// wrapper free of DOM, filesystem, and network APIs makes it usable in a8+/// Cloudflare Worker compiled-Wasm binding.9+10+pub fn render(11+ source: &str,12+ background: &str,13+ fill_color: &str,14+ font_family: &str,15+ font_size: u32,16+ scale: f32,17+ stroke_width: f32,18+) -> String {19+ let mut settings = Settings::default();20+ settings.background = background.to_owned();21+ settings.fill_color = fill_color.to_owned();22+ settings.font_family = font_family.to_owned();23+ settings.font_size = font_size as usize;24+ // Kroki's `scale` is a multiplier over Svgbob's default scale (8.0).25+ settings.scale = 8.0 * scale;26+ settings.stroke_width = stroke_width;27+ to_svg_with_settings(source, &settings)28+}@@ -41,6 +41,12 @@ describe('engine catalog', () => {
4141 expect(pikchr.version).toContain('pikchr@85e65b9686')4242 })4343 44+ it('marks Svgbob as a dedicated edge-Wasm unit', () => {45+ const svgbob = ENGINE_CATALOG.find(engine => engine.id === 'svgbob')!46+ expect(svgbob.activeRuntime).toBe('edge-wasm')47+ expect(svgbob.version).toContain('svgbob@0.7.6')48+ })49+4450 it('does not retain a silent origin fallback for any engine', () => {4551 for (const engine of ENGINE_CATALOG) {4652 if (engine.activeRuntime === 'origin') expect(engine.version).toBe('compatibility-origin')@@ -5,7 +5,7 @@ const migrated = [
55 'mermaid', 'bpmn', 'excalidraw',66 'bytefield', 'nomnoml', 'vega', 'vegalite', 'wavedrom',77 'blockdiag', 'seqdiag', 'actdiag', 'nwdiag', 'packetdiag', 'rackdiag',8- 'graphviz', 'erd', 'pikchr', 'wireviz',8+ 'graphviz', 'erd', 'pikchr', 'svgbob', 'wireviz',99 ] as const1010 const env = {1111 ORIGIN_URL: 'https://diagram-zip.fly.dev',@@ -0,0 +1,50 @@
1+import { describe, expect, it } from 'vitest'2+import { svgbobAdapter } from '../src/adapters/edge/svgbob'3+import type { RenderRequest } from '../src/types'4+5+const request = (source: string, options: Record<string, string> = {}): RenderRequest => ({6+ engine: 'svgbob', source, format: 'svg', options,7+ metadata: { title: '', description: '' },8+ presentation: { background: '', padding: 0, frame: false },9+})10+const cloud = ` .-,( ),-.11+ ___ _ .-( )-.12+ [___]|=| -->( ) __________13+ /::/ |_| '-( ).-' --->[_...__... ]14+ '-.( ).-'15+ \\ ____ __16+ '--->| | |==|17+ |____| | |18+ /::::/ |__|`19+20+describe('Svgbob edge-Wasm adapter', () => {21+ it('renders ASCII source without trimming its leading whitespace', async () => {22+ const result = await svgbobAdapter.render(request(' +---+\n | A |\n +---+'), new AbortController().signal)23+ expect(result.runtime).toBe('edge-wasm')24+ expect(result.body).toContain('<svg')25+ expect(result.body).toContain('A')26+ })27+28+ it('maps the six Kroki settings to the pure library API', async () => {29+ const result = await svgbobAdapter.render(request('A -> B', {30+ background: '#f3f3f3', 'fill-color': '#123456', 'font-family': 'monospace',31+ 'font-size': '18', scale: '2', 'stroke-width': '3',32+ }), new AbortController().signal)33+ expect(result.body).toContain('#f3f3f3')34+ expect(result.body).toContain('#123456')35+ expect(result.body).toContain('font-size: 18px')36+ })37+38+ it('keeps upstream cloud fixture dimensions at 400x160 and scales to 600x240', async () => {39+ const defaultResult = await svgbobAdapter.render(request(cloud), new AbortController().signal)40+ const scaledResult = await svgbobAdapter.render(request(cloud, { scale: '1.5' }), new AbortController().signal)41+ expect(defaultResult.body).toMatch(/<svg[^>]*width="400"[^>]*height="160"/)42+ expect(scaledResult.body).toMatch(/<svg[^>]*width="600"[^>]*height="240"/)43+ })44+45+ it('rejects unknown, invalid, and oversized input before Wasm', async () => {46+ await expect(svgbobAdapter.render(request('A', { 'stroke-color': 'red' }), new AbortController().signal)).rejects.toMatchObject({ status: 400, code: 'unsupported_options' })47+ await expect(svgbobAdapter.render(request('A', { scale: 'NaN' }), new AbortController().signal)).rejects.toMatchObject({ status: 400, code: 'invalid_options' })48+ await expect(svgbobAdapter.render(request('é'.repeat(140_000)), new AbortController().signal)).rejects.toMatchObject({ status: 413, code: 'source_too_large' })49+ })50+})@@ -0,0 +1,10 @@
1+{2+ "$schema": "../node_modules/wrangler/config-schema.json",3+ "name": "diagramzip-render-svgbob",4+ "main": "../src/units/svgbob.ts",5+ "compatibility_date": "2026-08-20",6+ "rules": [{ "type": "CompiledWasm", "globs": ["**/*.wasm"], "fallthrough": false }],7+ "observability": { "enabled": true, "logs": { "head_sampling_rate": 1 } },8+ "vars": { "RENDERER_BUILD": "svgbob-0.7.6-edge-wasm-1" },9+ "routes": [{ "pattern": "svgbob.render.diagram.zip", "custom_domain": true }]10+}@@ -32,7 +32,7 @@ export const NO_GATEWAY_FALLBACK_ENGINES = Object.freeze([
3232 'mermaid', 'bpmn', 'excalidraw',3333 'bytefield', 'nomnoml', 'vega', 'vegalite', 'wavedrom',3434 'blockdiag', 'seqdiag', 'actdiag', 'nwdiag', 'packetdiag', 'rackdiag',35- 'graphviz', 'erd', 'pikchr', 'wireviz',35+ 'graphviz', 'erd', 'pikchr', 'svgbob', 'wireviz',3636 ])3737 3838 export function requiresDedicatedRenderer(engine) {@@ -23,7 +23,7 @@ test('requires every migrated engine to stay on its dedicated runtime', () => {
2323 'mermaid', 'bpmn', 'excalidraw',2424 'bytefield', 'nomnoml', 'vega', 'vegalite', 'wavedrom',2525 'blockdiag', 'seqdiag', 'actdiag', 'nwdiag', 'packetdiag', 'rackdiag',26- 'graphviz', 'erd', 'pikchr', 'wireviz',26+ 'graphviz', 'erd', 'pikchr', 'svgbob', 'wireviz',2727 ]) {2828 assert.equal(requiresDedicatedRenderer(engine), true)2929 }@@ -419,7 +419,7 @@ The origin is a compatibility bridge, not the target architecture for standardiz
419419 | WaveDrom | Edge JavaScript | Origin |420420 | WireViz | Upstream Python parser/model/DOT composer → GraphViz service binding | None after cutover |421421 422-The first coverage milestone puts all 30 catalog types behind one contract and keeps unsupported edge engines on the origin. Its first native cohort is Bytefield, Nomnoml, WaveDrom, Vega, and Vega-Lite. DBML remains on the origin because its published package mixes module formats. GraphViz now imports its WebAssembly as a precompiled Worker module, ERD lowers into that same runtime, and Pikchr has a separate precompiled WebAssembly unit. D2 and Svgbob move only after direct precompiled-Wasm adapters are proven. Seven engines can later move interactive preview into the browser: Mermaid, PlantUML, C4-PlantUML, BPMN, Excalidraw, diagrams.net, and UMLet.422+The first coverage milestone puts all 30 catalog types behind one contract and keeps unsupported edge engines on the origin. Its first native cohort is Bytefield, Nomnoml, WaveDrom, Vega, and Vega-Lite. DBML remains on the origin because its published package mixes module formats. GraphViz now imports its WebAssembly as a precompiled Worker module, ERD lowers into that same runtime, Pikchr has a separate precompiled WebAssembly unit, and Svgbob has a pinned Rust/Wasm unit. D2 remains only after a direct precompiled-Wasm adapter is proven. Seven engines can later move interactive preview into the browser: Mermaid, PlantUML, C4-PlantUML, BPMN, Excalidraw, diagrams.net, and UMLet.423423 424424 The upstream-reuse milestone moves all six BlockDiag-family types into one Python Worker, moves ERD to an upstream-guided TypeScript/GraphViz implementation, and preserves WireViz coverage in a dependency-isolated Python translator that reuses GraphViz through a service binding. Structurizr remains a later PlantUML translation target.425425 @@ -559,13 +559,13 @@ Use production traffic and latency data to choose the remaining rewrites. WireVi
559559 560560 ## Implementation status — 2026-08-20561561 562-The coverage plane is implemented across dedicated renderer hostnames. Eighteen562+The coverage plane is implemented across dedicated renderer hostnames. Nineteen563563 of 30 catalog engines no longer depend on Fly: five execute in JavaScript564564 Workers, six share the `blockdiag-family` Python Worker, GraphViz and ERD share565-the `graphviz-family` WebAssembly Worker, Pikchr in its dedicated WebAssembly Worker, and Mermaid, BPMN, and Excalidraw565+the `graphviz-family` WebAssembly Worker, Pikchr and Svgbob in dedicated WebAssembly Workers, and Mermaid, BPMN, and Excalidraw566566 render in sandboxed browser units. WireViz preserves its upstream Python parser567567 and DOT composer, then calls GraphViz through an internal service binding. The568-remaining 12 engines use 11568+remaining 11 engines use 10569569 dependency-grouped compatibility units. Repository and production smokes require570570 structurally valid SVG; pixel comparison remains intentionally deferred.571571 @@ -587,13 +587,18 @@ uses plaintext parser errors and bounded source input, rejects renderer options
587587 and assets, and frees all returned buffers. The browser fiddle's dynamic Wasm588588 loader is not used; the module is statically imported by the Worker.589589 590+The Svgbob unit compiles upstream 0.7.6 from its pinned commit through a591+small Rust/wasm-bindgen wrapper around the pure library API. It preserves ASCII592+whitespace, maps the six Kroki settings, uses explicit byte/resource limits,593+and removes the upstream backdrop when presentation background is applied.594+590595 The WireViz unit vendors the actual `yuzutech/WireViz` v0.3.3 release source,591596 whose own runtime version is 0.3.2, and stops before external `dot` execution.592597 It rejects filesystem images and raw GraphViz tweaks, bounds YAML expansion,593598 and forwards generated DOT to `graphviz-family`. BOM, HTML, and PNG sidecars594599 remain outside the SVG rendering contract.595600 596-The same hard boundary now applies to all eighteen migrated engines: direct601+The same hard boundary now applies to all nineteen migrated engines: direct597602 unit or client-renderer failure is surfaced to the editor, the gateway rejects598603 their engine IDs before consulting its cache or origin adapter, and every599604 catalog fallback is `null`.@@ -1644,7 +1644,7 @@ Rel(bob, tandem, "Completes tasks")
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e}}setXMLVersion(e){this.currentXMLVersion=e,e===`1.0`?(this.isChar=a,this.getCode=this.getCode10):(this.isChar=u,this.getCode=this.getCode11)}sBegin(){this.chunk.charCodeAt(0)===65279&&(this.i++,this.column++),this.state=te}sBeginWhitespace(){let e=this.i,t=this.skipSpaces();switch(this.prevI!==e&&(this.xmlDeclPossible=!1),t){case qe:if(this.state=ue,this.text.length!==0)throw Error(`no-empty text at start`);break;case v:break;default:this.unget(),this.state=C,this.xmlDeclPossible=!1}}sDoctype(){var e;let t=this.captureTo(et);switch(t){case k:(e=this.doctypeHandler)==null||e.call(this,this.text),this.text=``,this.state=C,this.doctype=!0;break;case v:break;default:this.text+=String.fromCodePoint(t),t===Ye?this.state=b:Qe(t)&&(this.state=re,this.q=t)}}sDoctypeQuote(){let e=this.q;this.captureToChar(e)&&(this.text+=String.fromCodePoint(e),this.q=null,this.state=ne)}sDTD(){let e=this.captureTo(M);e!==v&&(this.text+=String.fromCodePoint(e),e===Xe?this.state=ne:e===qe?this.state=ae:Qe(e)&&(this.state=ie,this.q=e))}sDTDQuoted(){let e=this.q;this.captureToChar(e)&&(this.text+=String.fromCodePoint(e),this.state=b,this.q=null)}sDTDOpenWaka(){let e=this.getCodeNorm();switch(this.text+=String.fromCodePoint(e),e){case He:this.state=x,this.openWakaBang=``;break;case A:this.state=ce;break;default:this.state=b}}sDTDOpenWakaBang(){let e=String.fromCodePoint(this.getCodeNorm()),t=this.openWakaBang+=e;this.text+=e,t!==`-`&&(this.state=t===`--`?oe:b,this.openWakaBang=``)}sDTDComment(){this.captureToChar(O)&&(this.text+=`-`,this.state=S)}sDTDCommentEnding(){let e=this.getCodeNorm();this.text+=String.fromCodePoint(e),this.state=e===O?se:oe}sDTDCommentEnded(){let e=this.getCodeNorm();this.text+=String.fromCodePoint(e),e===k?this.state=b:(this.fail(`malformed comment.`),this.state=oe)}sDTDPI(){this.captureToChar(A)&&(this.text+=`?`,this.state=le)}sDTDPIEnding(){let e=this.getCodeNorm();this.text+=String.fromCodePoint(e),e===k&&(this.state=b)}sText(){this.tags.length===0?this.handleTextOutsideRoot():this.handleTextInRoot()}sEntity(){let{i:e}=this,{chunk:t}=this;loop:for(;;)switch(this.getCode()){case y:this.entity+=`${t.slice(e,this.prevI)}\n`,e=this.i;break;case Ke:{let{entityReturnState:n}=this,r=this.entity+t.slice(e,this.prevI);this.state=n;let i;r===``?(this.fail(`empty entity name.`),i=`&;`):(i=this.parseEntity(r),this.entity=``),(n!==C||this.textHandler!==void 0)&&(this.text+=i);break loop}case v:this.entity+=t.slice(e);break loop}}sOpenWaka(){let e=this.getCode();if(o(e))this.state=De,this.unget(),this.xmlDeclPossible=!1;else switch(e){case Ge:this.state=Ie,this.xmlDeclPossible=!1;break;case He:this.state=de,this.openWakaBang=``,this.xmlDeclPossible=!1;break;case A:this.state=_e;break;default:this.fail(`disallowed character in tag name`),this.state=C,this.xmlDeclPossible=!1}}sOpenWakaBang(){switch(this.openWakaBang+=String.fromCodePoint(this.getCodeNorm()),this.openWakaBang){case`[CDATA[`:!this.sawRoot&&!this.reportedTextBeforeRoot&&(this.fail(`text data outside of root node.`),this.reportedTextBeforeRoot=!0),this.closedRoot&&!this.reportedTextAfterRoot&&(this.fail(`text data outside of root node.`),this.reportedTextAfterRoot=!0),this.state=he,this.openWakaBang=``;break;case`--`:this.state=fe,this.openWakaBang=``;break;case`DOCTYPE`:this.state=ne,(this.doctype||this.sawRoot)&&this.fail(`inappropriately located doctype declaration.`),this.openWakaBang=``;break;default:this.openWakaBang.length>=7&&this.fail(`incorrect syntax.`)}}sComment(){this.captureToChar(O)&&(this.state=pe)}sCommentEnding(){var e;let t=this.getCodeNorm();t===O?(this.state=me,(e=this.commentHandler)==null||e.call(this,this.text),this.text=``):(this.text+=`-${String.fromCodePoint(t)}`,this.state=fe)}sCommentEnded(){let e=this.getCodeNorm();e===k?this.state=C:(this.fail(`malformed comment.`),this.text+=`--${String.fromCodePoint(e)}`,this.state=fe)}sCData(){this.captureToChar(Xe)&&(this.state=T)}sCDataEnding(){let e=this.getCodeNorm();e===Xe?this.state=ge:(this.text+=`]${String.fromCodePoint(e)}`,this.state=he)}sCDataEnding2(){var e;let t=this.getCodeNorm();switch(t){case k:(e=this.cdataHandler)==null||e.call(this,this.text),this.text=``,this.state=C;break;case Xe:this.text+=`]`;break;default:this.text+=`]]${String.fromCodePoint(t)}`,this.state=he}}sPIFirstChar(){let e=this.getCodeNorm();this.nameStartCheck(e)?(this.piTarget+=String.fromCodePoint(e),this.state=E):e===A||i(e)?(this.fail(`processing instruction without a target.`),this.state=e===A?ye:ve):(this.fail(`disallowed character in processing instruction name.`),this.piTarget+=String.fromCodePoint(e),this.state=E)}sPIRest(){let{chunk:e,i:t}=this;for(;;){let n=this.getCodeNorm();if(n===v){this.piTarget+=e.slice(t);return}if(!this.nameCheck(n)){this.piTarget+=e.slice(t,this.prevI);let r=n===A;r||i(n)?this.piTarget===`xml`?(this.xmlDeclPossible||this.fail(`an XML declaration must be at the start of the document.`),this.state=r?Ee:be):this.state=r?ye:ve:(this.fail(`disallowed character in processing instruction name.`),this.piTarget+=String.fromCodePoint(n));break}}}sPIBody(){if(this.text.length===0){let e=this.getCodeNorm();e===A?this.state=ye:i(e)||(this.text=String.fromCodePoint(e))}else this.captureToChar(A)&&(this.state=ye)}sPIEnding(){var e;let t=this.getCodeNorm();if(t===k){let{piTarget:t}=this;t.toLowerCase()===`xml`&&this.fail(`the XML declaration must appear at the start of the document.`),(e=this.piHandler)==null||e.call(this,{target:t,body:this.text}),this.piTarget=this.text=``,this.state=C}else t===A?this.text+=`?`:(this.text+=`?${String.fromCodePoint(t)}`,this.state=ve);this.xmlDeclPossible=!1}sXMLDeclNameStart(){let e=this.skipSpaces();if(e===A){this.state=Ee;return}e!==v&&(this.state=xe,this.name=String.fromCodePoint(e))}sXMLDeclName(){let e=this.captureTo(tt);if(e===A){this.state=Ee,this.name+=this.text,this.text=``,this.fail(`XML declaration is incomplete.`);return}if(i(e)||e===Je){if(this.name+=this.text,this.text=``,!this.xmlDeclExpects.includes(this.name))switch(this.name.length){case 0:this.fail(`did not expect any more name/value pairs.`);break;case 1:this.fail(`expected the name ${this.xmlDeclExpects[0]}.`);break;default:this.fail(`expected one of ${this.xmlDeclExpects.join(`, `)}`)}this.state=e===Je?Ce:Se}}sXMLDeclEq(){let e=this.getCodeNorm();if(e===A){this.state=Ee,this.fail(`XML declaration is incomplete.`);return}i(e)||(e!==Je&&this.fail(`value required.`),this.state=Ce)}sXMLDeclValueStart(){let e=this.getCodeNorm();if(e===A){this.state=Ee,this.fail(`XML declaration is incomplete.`);return}i(e)||(Qe(e)?this.q=e:(this.fail(`value must be quoted.`),this.q=Ve),this.state=we)}sXMLDeclValue(){let e=this.captureTo([this.q,A]);if(e===A){this.state=Ee,this.text=``,this.fail(`XML declaration is incomplete.`);return}if(e===v)return;let t=this.text;switch(this.text=``,this.name){case`version`:{this.xmlDeclExpects=[`encoding`,`standalone`];let e=t;this.xmlDecl.version=e,/^1\.[0-9]+$/.test(e)?this.opt.forceXMLVersion||this.setXMLVersion(e):this.fail(`version number must match /^1\\.[0-9]+$/.`);break}case`encoding`:/^[A-Za-z][A-Za-z0-9._-]*$/.test(t)||this.fail(`encoding value must match /^[A-Za-z0-9][A-Za-z0-9._-]*$/.`),this.xmlDeclExpects=[`standalone`],this.xmlDecl.encoding=t;break;case`standalone`:t!==`yes`&&t!==`no`&&this.fail(`standalone value must match "yes" or "no".`),this.xmlDeclExpects=[],this.xmlDecl.standalone=t}this.name=``,this.state=Te}sXMLDeclSeparator(){let e=this.getCodeNorm();if(e===A){this.state=Ee;return}i(e)||(this.fail(`whitespace required.`),this.unget()),this.state=be}sXMLDeclEnding(){var e;this.getCodeNorm()===k?(this.piTarget===`xml`?this.name!==`version`&&this.xmlDeclExpects.includes(`version`)&&this.fail(`XML declaration must contain a version.`):this.fail(`processing instructions are not allowed before root.`),(e=this.xmldeclHandler)==null||e.call(this,this.xmlDecl),this.name=``,this.piTarget=this.text=``,this.state=C):this.fail(`The character ? is disallowed anywhere in XML declarations.`),this.xmlDeclPossible=!1}sOpenTag(){var e;let t=this.captureNameChars();if(t===v)return;let n=this.tag={name:this.name,attributes:Object.create(null)};switch(this.name=``,this.xmlnsOpt&&(this.topNS=n.ns=Object.create(null)),(e=this.openTagStartHandler)==null||e.call(this,n),this.sawRoot=!0,!this.fragmentOpt&&this.closedRoot&&this.fail(`documents may contain only one root.`),t){case k:this.openTag();break;case Ge:this.state=Oe;break;default:i(t)||this.fail(`disallowed character in tag name.`),this.state=ke}}sOpenTagSlash(){this.getCode()===k?this.openSelfClosingTag():(this.fail(`forward-slash in opening tag not followed by >.`),this.state=ke)}sAttrib(){let e=this.skipSpaces();e!==v&&(o(e)?(this.unget(),this.state=Ae):e===k?this.openTag():e===Ge?this.state=Oe:this.fail(`disallowed character in attribute name.`))}sAttribName(){let e=this.captureNameChars();e===Je?this.state=Me:i(e)?this.state=je:e===k?(this.fail(`attribute without value.`),this.pushAttrib(this.name,this.name),this.name=this.text=``,this.openTag()):e!==v&&this.fail(`disallowed character in attribute name.`)}sAttribNameSawWhite(){let e=this.skipSpaces();switch(e){case v:return;case Je:this.state=Me;break;default:this.fail(`attribute without value.`),this.text=``,this.name=``,e===k?this.openTag():o(e)?(this.unget(),this.state=Ae):(this.fail(`disallowed character in attribute name.`),this.state=ke)}}sAttribValue(){let e=this.getCodeNorm();Qe(e)?(this.q=e,this.state=Ne):i(e)||(this.fail(`unquoted attribute value.`),this.state=Fe,this.unget())}sAttribValueQuoted(){let{q:e,chunk:t}=this,{i:n}=this;for(;;)switch(this.getCode()){case e:this.pushAttrib(this.name,this.text+t.slice(n,this.prevI)),this.name=this.text=``,this.q=null,this.state=Pe;return;case We:this.text+=t.slice(n,this.prevI),this.state=w,this.entityReturnState=Ne;return;case ze:case y:case Re:this.text+=`${t.slice(n,this.prevI)} `,n=this.i;break;case qe:this.text+=t.slice(n,this.prevI),this.fail(`disallowed character.`);return;case v:this.text+=t.slice(n);return}}sAttribValueClosed(){let e=this.getCodeNorm();i(e)?this.state=ke:e===k?this.openTag():e===Ge?this.state=Oe:o(e)?(this.fail(`no whitespace between attributes.`),this.unget(),this.state=Ae):this.fail(`disallowed character in attribute name.`)}sAttribValueUnquoted(){let e=this.captureTo(nt);switch(e){case We:this.state=w,this.entityReturnState=Fe;break;case qe:this.fail(`disallowed character.`);break;case v:break;default:this.text.includes(`]]>`)&&this.fail(`the string "]]>" is disallowed in char data.`),this.pushAttrib(this.name,this.text),this.name=this.text=``,e===k?this.openTag():this.state=ke}}sCloseTag(){let e=this.captureNameChars();e===k?this.closeTag():i(e)?this.state=Le:e!==v&&this.fail(`disallowed character in closing tag.`)}sCloseTagSawWhite(){switch(this.skipSpaces()){case k:this.closeTag();break;case v:break;default:this.fail(`disallowed character in closing tag.`)}}handleTextInRoot(){let{i:e,forbiddenState:t}=this,{chunk:n,textHandler:r}=this;scanLoop:for(;;)switch(this.getCode()){case qe:if(this.state=ue,r!==void 0){let{text:t}=this,i=n.slice(e,this.prevI);t.length===0?i.length!==0&&r(i):(r(t+i),this.text=``)}t=N;break scanLoop;case We:this.state=w,this.entityReturnState=C,r!==void 0&&(this.text+=n.slice(e,this.prevI)),t=N;break scanLoop;case Xe:switch(t){case N:t=st;break;case st:t=ct;break;case ct:break;default:throw Error(`impossible state`)}break;case k:t===ct&&this.fail(`the string "]]>" is disallowed in char data.`),t=N;break;case y:r!==void 0&&(this.text+=`${n.slice(e,this.prevI)}\n`),e=this.i,t=N;break;case v:r!==void 0&&(this.text+=n.slice(e));break scanLoop;default:t=N}this.forbiddenState=t}handleTextOutsideRoot(){let{i:e}=this,{chunk:t,textHandler:n}=this,r=!1;outRootLoop:for(;;){let a=this.getCode();switch(a){case qe:if(this.state=ue,n!==void 0){let{text:r}=this,i=t.slice(e,this.prevI);r.length===0?i.length!==0&&n(i):(n(r+i),this.text=``)}break outRootLoop;case We:this.state=w,this.entityReturnState=C,n!==void 0&&(this.text+=t.slice(e,this.prevI)),r=!0;break outRootLoop;case y:n!==void 0&&(this.text+=`${t.slice(e,this.prevI)}\n`),e=this.i;break;case v:n!==void 0&&(this.text+=t.slice(e));break outRootLoop;default:i(a)||(r=!0)}}r&&(!this.sawRoot&&!this.reportedTextBeforeRoot&&(this.fail(`text data outside of root node.`),this.reportedTextBeforeRoot=!0),this.closedRoot&&!this.reportedTextAfterRoot&&(this.fail(`text data outside of root node.`),this.reportedTextAfterRoot=!0))}pushAttribNS(e,t){var n;let{prefix:r,local:i}=this.qname(e),a={name:e,prefix:r,local:i,value:t};if(this.attribList.push(a),(n=this.attributeHandler)==null||n.call(this,a),r===`xmlns`){let e=t.trim();this.currentXMLVersion===`1.0`&&e===``&&this.fail(`invalid attempt to undefine prefix in XML 1.0`),this.topNS[i]=e,rt(this,i,e)}else if(e===`xmlns`){let e=t.trim();this.topNS[``]=e,rt(this,``,e)}}pushAttribPlain(e,t){var n;let r={name:e,value:t};this.attribList.push(r),(n=this.attributeHandler)==null||n.call(this,r)}end(){var e,t;this.sawRoot||this.fail(`document must contain a root element.`);let{tags:n}=this;for(;n.length>0;){let e=n.pop();this.fail(`unclosed tag: ${e.name}`)}this.state!==ee&&this.state!==C&&this.fail(`unexpected end.`);let{text:r}=this;return r.length!==0&&((e=this.textHandler)==null||e.call(this,r),this.text=``),this._closed=!0,(t=this.endHandler)==null||t.call(this),this._init(),this}resolve(e){var t;let n=this.topNS[e];if(n!==void 0)return n;let{tags:r}=this;for(let t=r.length-1;t>=0;t--)if(n=r[t].ns[e],n!==void 0)return n;return n=this.ns[e],n===void 0?(t=this.opt).resolvePrefix?.call(t,e):n}qname(e){let t=e.indexOf(`:`);if(t===-1)return{prefix:``,local:e};let n=e.slice(t+1),r=e.slice(0,t);return(r===``||n===``||n.includes(`:`))&&this.fail(`malformed name: ${e}.`),{prefix:r,local:n}}processAttribsNS(){let{attribList:e}=this,t=this.tag;{let{prefix:e,local:n}=this.qname(t.name);t.prefix=e,t.local=n;let r=t.uri=this.resolve(e)??``;e!==``&&(e===`xmlns`&&this.fail(`tags may not have "xmlns" as prefix.`),r===``&&(this.fail(`unbound namespace prefix: ${JSON.stringify(e)}.`),t.uri=e))}if(e.length===0)return;let{attributes:n}=t,r=new Set;for(let t of e){let{name:e,prefix:i,local:a}=t,o,s;i===``?(o=e===`xmlns`?h:``,s=e):(o=this.resolve(i),o===void 0&&(this.fail(`unbound namespace prefix: ${JSON.stringify(i)}.`),o=i),s=`{${o}}${a}`),r.has(s)&&this.fail(`duplicate attribute: 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lt={xmldecl:`xmldeclHandler`,text:`textHandler`,processinginstruction:`piHandler`,doctype:`doctypeHandler`,comment:`commentHandler`,opentagstart:`openTagStartHandler`,attribute:`attributeHandler`,opentag:`openTagHandler`,closetag:`closeTagHandler`,cdata:`cdataHandler`,error:`errorHandler`,end:`endHandler`,ready:`readyHandler`};e.SaxesParser=class{constructor(e){this.opt=e??{},this.fragmentOpt=!!this.opt.fragment;let t=this.xmlnsOpt=!!this.opt.xmlns;if(this.trackPosition=this.opt.position!==!1,this.fileName=this.opt.fileName,t){this.nameStartCheck=d,this.nameCheck=f,this.isName=at,this.processAttribs=this.processAttribsNS,this.pushAttrib=this.pushAttribNS,this.ns=Object.assign({__proto__:null},g);let e=this.opt.additionalNamespaces;e!=null&&(it(this,e),Object.assign(this.ns,e))}else this.nameStartCheck=o,this.nameCheck=s,this.isName=ot,this.processAttribs=this.processAttribsPlain,this.pushAttrib=this.pushAttribPlain;this.stateTable=[this.sBegin,this.sBeginWhitespace,this.sDoctype,this.sDoctypeQuote,this.sDTD,this.sDTDQuoted,this.sDTDOpenWaka,this.sDTDOpenWakaBang,this.sDTDComment,this.sDTDCommentEnding,this.sDTDCommentEnded,this.sDTDPI,this.sDTDPIEnding,this.sText,this.sEntity,this.sOpenWaka,this.sOpenWakaBang,this.sComment,this.sCommentEnding,this.sCommentEnded,this.sCData,this.sCDataEnding,this.sCDataEnding2,this.sPIFirstChar,this.sPIRest,this.sPIBody,this.sPIEnding,this.sXMLDeclNameStart,this.sXMLDeclName,this.sXMLDeclEq,this.sXMLDeclValueStart,this.sXMLDeclValue,this.sXMLDeclSeparator,this.sXMLDeclEnding,this.sOpenTag,this.sOpenTagSlash,this.sAttrib,this.sAttribName,this.sAttribNameSawWhite,this.sAttribValue,this.sAttribValueQuoted,this.sAttribValueClosed,this.sAttribValueUnquoted,this.sCloseTag,this.sCloseTagSawWhite],this._init()}get closed(){return this._closed}_init(){var e;this.openWakaBang=``,this.text=``,this.name=``,this.piTarget=``,this.entity=``,this.q=null,this.tags=[],this.tag=null,this.topNS=null,this.chunk=``,this.chunkPosition=0,this.i=0,this.prevI=0,this.carriedFromPrevious=void 0,this.forbiddenState=N,this.attribList=[];let{fragmentOpt:t}=this;this.state=t?C:ee,this.reportedTextBeforeRoot=this.reportedTextAfterRoot=this.closedRoot=this.sawRoot=t,this.xmlDeclPossible=!t,this.xmlDeclExpects=[`version`],this.entityReturnState=void 0;let{defaultXMLVersion:n}=this.opt;if(n===void 0){if(this.opt.forceXMLVersion===!0)throw Error(`forceXMLVersion set but defaultXMLVersion is not set`);n=`1.0`}this.setXMLVersion(n),this.positionAtNewLine=0,this.doctype=!1,this._closed=!1,this.xmlDecl={version:void 0,encoding:void 0,standalone:void 0},this.line=1,this.column=0,this.ENTITIES=Object.create(_),(e=this.readyHandler)==null||e.call(this)}get position(){return this.chunkPosition+this.i}get columnIndex(){return this.position-this.positionAtNewLine}on(e,t){this[lt[e]]=t}off(e){this[lt[e]]=void 0}makeError(e){let t=this.fileName??``;return this.trackPosition&&(t.length>0&&(t+=`:`),t+=`${this.line}:${this.column}`),t.length>0&&(t+=`: `),Error(t+e)}fail(e){let t=this.makeError(e),n=this.errorHandler;if(n===void 0)throw t;return n(t),this}write(e){if(this.closed)return this.fail(`cannot write after close; assign an onready handler.`);let t=!1;e===null?(t=!0,e=``):typeof e==`object`&&(e=e.toString()),this.carriedFromPrevious!==void 0&&(e=`${this.carriedFromPrevious}${e}`,this.carriedFromPrevious=void 0);let n=e.length,r=e.charCodeAt(n-1);!t&&(r===Be||r>=55296&&r<=56319)&&(this.carriedFromPrevious=e[n-1],n--,e=e.slice(0,n));let{stateTable:i}=this;for(this.chunk=e,this.i=0;this.i<n;)i[this.state].call(this);return this.chunkPosition+=n,t?this.end():this}close(){return this.write(null)}getCode10(){let{chunk:e,i:t}=this;if(this.prevI=t,this.i=t+1,t>=e.length)return v;let n=e.charCodeAt(t);if(this.column++,n<55296){if(n>=Ve||n===Re)return n;switch(n){case ze:return this.line++,this.column=0,this.positionAtNewLine=this.position,ze;case Be:return e.charCodeAt(t+1)===ze&&(this.i=t+2),this.line++,this.column=0,this.positionAtNewLine=this.position,y;default:return this.fail(`disallowed character.`),n}}if(n>56319)return n>=57344&&n<=65533||this.fail(`disallowed character.`),n;let r=65536+(n-55296)*1024+(e.charCodeAt(t+1)-56320);return this.i=t+2,r>1114111&&this.fail(`disallowed character.`),r}getCode11(){let{chunk:e,i:t}=this;if(this.prevI=t,this.i=t+1,t>=e.length)return v;let n=e.charCodeAt(t);if(this.column++,n<55296){if(n>31&&n<127||n>159&&n!==Ze||n===Re)return n;switch(n){case ze:return this.line++,this.column=0,this.positionAtNewLine=this.position,ze;case Be:{let n=e.charCodeAt(t+1);(n===ze||n===j)&&(this.i=t+2)}case j:case Ze:return this.line++,this.column=0,this.positionAtNewLine=this.position,y;default:return this.fail(`disallowed character.`),n}}if(n>56319)return n>=57344&&n<=65533||this.fail(`disallowed character.`),n;let r=65536+(n-55296)*1024+(e.charCodeAt(t+1)-56320);return this.i=t+2,r>1114111&&this.fail(`disallowed character.`),r}getCodeNorm(){let e=this.getCode();return e===y?ze:e}unget(){this.i=this.prevI,this.column--}captureTo(e){let{i:t}=this,{chunk:n}=this;for(;;){let r=this.getCode(),i=r===y,a=i?ze:r;if(a===v||e.includes(a))return this.text+=n.slice(t,this.prevI),a;i&&(this.text+=`${n.slice(t,this.prevI)}\n`,t=this.i)}}captureToChar(e){let{i:t}=this,{chunk:n}=this;for(;;){let r=this.getCode();switch(r){case y:this.text+=`${n.slice(t,this.prevI)}\n`,t=this.i,r=ze;break;case v:return this.text+=n.slice(t),!1}if(r===e)return this.text+=n.slice(t,this.prevI),!0}}captureNameChars(){let{chunk:e,i:t}=this;for(;;){let n=this.getCode();if(n===v)return this.name+=e.slice(t),v;if(!s(n))return this.name+=e.slice(t,this.prevI),n===y?ze:n}}skipSpaces(){for(;;){let e=this.getCodeNorm();if(e===v||!i(e))return e}}setXMLVersion(e){this.currentXMLVersion=e,e===`1.0`?(this.isChar=a,this.getCode=this.getCode10):(this.isChar=u,this.getCode=this.getCode11)}sBegin(){this.chunk.charCodeAt(0)===65279&&(this.i++,this.column++),this.state=te}sBeginWhitespace(){let e=this.i,t=this.skipSpaces();switch(this.prevI!==e&&(this.xmlDeclPossible=!1),t){case qe:if(this.state=ue,this.text.length!==0)throw Error(`no-empty text at start`);break;case v:break;default:this.unget(),this.state=C,this.xmlDeclPossible=!1}}sDoctype(){var e;let t=this.captureTo(et);switch(t){case k:(e=this.doctypeHandler)==null||e.call(this,this.text),this.text=``,this.state=C,this.doctype=!0;break;case v:break;default:this.text+=String.fromCodePoint(t),t===Ye?this.state=b:Qe(t)&&(this.state=re,this.q=t)}}sDoctypeQuote(){let e=this.q;this.captureToChar(e)&&(this.text+=String.fromCodePoint(e),this.q=null,this.state=ne)}sDTD(){let e=this.captureTo(M);e!==v&&(this.text+=String.fromCodePoint(e),e===Xe?this.state=ne:e===qe?this.state=ae:Qe(e)&&(this.state=ie,this.q=e))}sDTDQuoted(){let e=this.q;this.captureToChar(e)&&(this.text+=String.fromCodePoint(e),this.state=b,this.q=null)}sDTDOpenWaka(){let e=this.getCodeNorm();switch(this.text+=String.fromCodePoint(e),e){case He:this.state=x,this.openWakaBang=``;break;case A:this.state=ce;break;default:this.state=b}}sDTDOpenWakaBang(){let e=String.fromCodePoint(this.getCodeNorm()),t=this.openWakaBang+=e;this.text+=e,t!==`-`&&(this.state=t===`--`?oe:b,this.openWakaBang=``)}sDTDComment(){this.captureToChar(O)&&(this.text+=`-`,this.state=S)}sDTDCommentEnding(){let e=this.getCodeNorm();this.text+=String.fromCodePoint(e),this.state=e===O?se:oe}sDTDCommentEnded(){let e=this.getCodeNorm();this.text+=String.fromCodePoint(e),e===k?this.state=b:(this.fail(`malformed comment.`),this.state=oe)}sDTDPI(){this.captureToChar(A)&&(this.text+=`?`,this.state=le)}sDTDPIEnding(){let e=this.getCodeNorm();this.text+=String.fromCodePoint(e),e===k&&(this.state=b)}sText(){this.tags.length===0?this.handleTextOutsideRoot():this.handleTextInRoot()}sEntity(){let{i:e}=this,{chunk:t}=this;loop:for(;;)switch(this.getCode()){case y:this.entity+=`${t.slice(e,this.prevI)}\n`,e=this.i;break;case Ke:{let{entityReturnState:n}=this,r=this.entity+t.slice(e,this.prevI);this.state=n;let i;r===``?(this.fail(`empty entity name.`),i=`&;`):(i=this.parseEntity(r),this.entity=``),(n!==C||this.textHandler!==void 0)&&(this.text+=i);break loop}case v:this.entity+=t.slice(e);break loop}}sOpenWaka(){let e=this.getCode();if(o(e))this.state=De,this.unget(),this.xmlDeclPossible=!1;else switch(e){case Ge:this.state=Ie,this.xmlDeclPossible=!1;break;case He:this.state=de,this.openWakaBang=``,this.xmlDeclPossible=!1;break;case A:this.state=_e;break;default:this.fail(`disallowed character in tag name`),this.state=C,this.xmlDeclPossible=!1}}sOpenWakaBang(){switch(this.openWakaBang+=String.fromCodePoint(this.getCodeNorm()),this.openWakaBang){case`[CDATA[`:!this.sawRoot&&!this.reportedTextBeforeRoot&&(this.fail(`text data outside of root node.`),this.reportedTextBeforeRoot=!0),this.closedRoot&&!this.reportedTextAfterRoot&&(this.fail(`text data outside of root node.`),this.reportedTextAfterRoot=!0),this.state=he,this.openWakaBang=``;break;case`--`:this.state=fe,this.openWakaBang=``;break;case`DOCTYPE`:this.state=ne,(this.doctype||this.sawRoot)&&this.fail(`inappropriately located doctype declaration.`),this.openWakaBang=``;break;default:this.openWakaBang.length>=7&&this.fail(`incorrect syntax.`)}}sComment(){this.captureToChar(O)&&(this.state=pe)}sCommentEnding(){var e;let t=this.getCodeNorm();t===O?(this.state=me,(e=this.commentHandler)==null||e.call(this,this.text),this.text=``):(this.text+=`-${String.fromCodePoint(t)}`,this.state=fe)}sCommentEnded(){let e=this.getCodeNorm();e===k?this.state=C:(this.fail(`malformed comment.`),this.text+=`--${String.fromCodePoint(e)}`,this.state=fe)}sCData(){this.captureToChar(Xe)&&(this.state=T)}sCDataEnding(){let e=this.getCodeNorm();e===Xe?this.state=ge:(this.text+=`]${String.fromCodePoint(e)}`,this.state=he)}sCDataEnding2(){var e;let t=this.getCodeNorm();switch(t){case k:(e=this.cdataHandler)==null||e.call(this,this.text),this.text=``,this.state=C;break;case Xe:this.text+=`]`;break;default:this.text+=`]]${String.fromCodePoint(t)}`,this.state=he}}sPIFirstChar(){let e=this.getCodeNorm();this.nameStartCheck(e)?(this.piTarget+=String.fromCodePoint(e),this.state=E):e===A||i(e)?(this.fail(`processing instruction without a target.`),this.state=e===A?ye:ve):(this.fail(`disallowed character in processing instruction name.`),this.piTarget+=String.fromCodePoint(e),this.state=E)}sPIRest(){let{chunk:e,i:t}=this;for(;;){let n=this.getCodeNorm();if(n===v){this.piTarget+=e.slice(t);return}if(!this.nameCheck(n)){this.piTarget+=e.slice(t,this.prevI);let r=n===A;r||i(n)?this.piTarget===`xml`?(this.xmlDeclPossible||this.fail(`an XML declaration must be at the start of the document.`),this.state=r?Ee:be):this.state=r?ye:ve:(this.fail(`disallowed character in processing instruction name.`),this.piTarget+=String.fromCodePoint(n));break}}}sPIBody(){if(this.text.length===0){let e=this.getCodeNorm();e===A?this.state=ye:i(e)||(this.text=String.fromCodePoint(e))}else this.captureToChar(A)&&(this.state=ye)}sPIEnding(){var e;let t=this.getCodeNorm();if(t===k){let{piTarget:t}=this;t.toLowerCase()===`xml`&&this.fail(`the XML declaration must appear at the start of the document.`),(e=this.piHandler)==null||e.call(this,{target:t,body:this.text}),this.piTarget=this.text=``,this.state=C}else t===A?this.text+=`?`:(this.text+=`?${String.fromCodePoint(t)}`,this.state=ve);this.xmlDeclPossible=!1}sXMLDeclNameStart(){let e=this.skipSpaces();if(e===A){this.state=Ee;return}e!==v&&(this.state=xe,this.name=String.fromCodePoint(e))}sXMLDeclName(){let e=this.captureTo(tt);if(e===A){this.state=Ee,this.name+=this.text,this.text=``,this.fail(`XML declaration is incomplete.`);return}if(i(e)||e===Je){if(this.name+=this.text,this.text=``,!this.xmlDeclExpects.includes(this.name))switch(this.name.length){case 0:this.fail(`did not expect any more name/value pairs.`);break;case 1:this.fail(`expected the name ${this.xmlDeclExpects[0]}.`);break;default:this.fail(`expected one of ${this.xmlDeclExpects.join(`, `)}`)}this.state=e===Je?Ce:Se}}sXMLDeclEq(){let e=this.getCodeNorm();if(e===A){this.state=Ee,this.fail(`XML declaration is incomplete.`);return}i(e)||(e!==Je&&this.fail(`value required.`),this.state=Ce)}sXMLDeclValueStart(){let e=this.getCodeNorm();if(e===A){this.state=Ee,this.fail(`XML declaration is incomplete.`);return}i(e)||(Qe(e)?this.q=e:(this.fail(`value must be quoted.`),this.q=Ve),this.state=we)}sXMLDeclValue(){let e=this.captureTo([this.q,A]);if(e===A){this.state=Ee,this.text=``,this.fail(`XML declaration is incomplete.`);return}if(e===v)return;let t=this.text;switch(this.text=``,this.name){case`version`:{this.xmlDeclExpects=[`encoding`,`standalone`];let e=t;this.xmlDecl.version=e,/^1\.[0-9]+$/.test(e)?this.opt.forceXMLVersion||this.setXMLVersion(e):this.fail(`version number must match /^1\\.[0-9]+$/.`);break}case`encoding`:/^[A-Za-z][A-Za-z0-9._-]*$/.test(t)||this.fail(`encoding value must match /^[A-Za-z0-9][A-Za-z0-9._-]*$/.`),this.xmlDeclExpects=[`standalone`],this.xmlDecl.encoding=t;break;case`standalone`:t!==`yes`&&t!==`no`&&this.fail(`standalone value must match "yes" or "no".`),this.xmlDeclExpects=[],this.xmlDecl.standalone=t}this.name=``,this.state=Te}sXMLDeclSeparator(){let e=this.getCodeNorm();if(e===A){this.state=Ee;return}i(e)||(this.fail(`whitespace required.`),this.unget()),this.state=be}sXMLDeclEnding(){var e;this.getCodeNorm()===k?(this.piTarget===`xml`?this.name!==`version`&&this.xmlDeclExpects.includes(`version`)&&this.fail(`XML declaration must contain a version.`):this.fail(`processing instructions are not allowed before root.`),(e=this.xmldeclHandler)==null||e.call(this,this.xmlDecl),this.name=``,this.piTarget=this.text=``,this.state=C):this.fail(`The character ? is disallowed anywhere in XML declarations.`),this.xmlDeclPossible=!1}sOpenTag(){var e;let t=this.captureNameChars();if(t===v)return;let n=this.tag={name:this.name,attributes:Object.create(null)};switch(this.name=``,this.xmlnsOpt&&(this.topNS=n.ns=Object.create(null)),(e=this.openTagStartHandler)==null||e.call(this,n),this.sawRoot=!0,!this.fragmentOpt&&this.closedRoot&&this.fail(`documents may contain only one root.`),t){case k:this.openTag();break;case Ge:this.state=Oe;break;default:i(t)||this.fail(`disallowed character in tag name.`),this.state=ke}}sOpenTagSlash(){this.getCode()===k?this.openSelfClosingTag():(this.fail(`forward-slash in opening tag not followed by >.`),this.state=ke)}sAttrib(){let e=this.skipSpaces();e!==v&&(o(e)?(this.unget(),this.state=Ae):e===k?this.openTag():e===Ge?this.state=Oe:this.fail(`disallowed character in attribute name.`))}sAttribName(){let e=this.captureNameChars();e===Je?this.state=Me:i(e)?this.state=je:e===k?(this.fail(`attribute without value.`),this.pushAttrib(this.name,this.name),this.name=this.text=``,this.openTag()):e!==v&&this.fail(`disallowed character in attribute name.`)}sAttribNameSawWhite(){let e=this.skipSpaces();switch(e){case v:return;case Je:this.state=Me;break;default:this.fail(`attribute without value.`),this.text=``,this.name=``,e===k?this.openTag():o(e)?(this.unget(),this.state=Ae):(this.fail(`disallowed character in attribute name.`),this.state=ke)}}sAttribValue(){let e=this.getCodeNorm();Qe(e)?(this.q=e,this.state=Ne):i(e)||(this.fail(`unquoted attribute value.`),this.state=Fe,this.unget())}sAttribValueQuoted(){let{q:e,chunk:t}=this,{i:n}=this;for(;;)switch(this.getCode()){case e:this.pushAttrib(this.name,this.text+t.slice(n,this.prevI)),this.name=this.text=``,this.q=null,this.state=Pe;return;case We:this.text+=t.slice(n,this.prevI),this.state=w,this.entityReturnState=Ne;return;case ze:case y:case Re:this.text+=`${t.slice(n,this.prevI)} `,n=this.i;break;case qe:this.text+=t.slice(n,this.prevI),this.fail(`disallowed character.`);return;case v:this.text+=t.slice(n);return}}sAttribValueClosed(){let e=this.getCodeNorm();i(e)?this.state=ke:e===k?this.openTag():e===Ge?this.state=Oe:o(e)?(this.fail(`no whitespace between attributes.`),this.unget(),this.state=Ae):this.fail(`disallowed character in attribute name.`)}sAttribValueUnquoted(){let e=this.captureTo(nt);switch(e){case We:this.state=w,this.entityReturnState=Fe;break;case qe:this.fail(`disallowed character.`);break;case v:break;default:this.text.includes(`]]>`)&&this.fail(`the string "]]>" is disallowed in char data.`),this.pushAttrib(this.name,this.text),this.name=this.text=``,e===k?this.openTag():this.state=ke}}sCloseTag(){let e=this.captureNameChars();e===k?this.closeTag():i(e)?this.state=Le:e!==v&&this.fail(`disallowed character in closing tag.`)}sCloseTagSawWhite(){switch(this.skipSpaces()){case k:this.closeTag();break;case v:break;default:this.fail(`disallowed character in closing tag.`)}}handleTextInRoot(){let{i:e,forbiddenState:t}=this,{chunk:n,textHandler:r}=this;scanLoop:for(;;)switch(this.getCode()){case qe:if(this.state=ue,r!==void 0){let{text:t}=this,i=n.slice(e,this.prevI);t.length===0?i.length!==0&&r(i):(r(t+i),this.text=``)}t=N;break scanLoop;case We:this.state=w,this.entityReturnState=C,r!==void 0&&(this.text+=n.slice(e,this.prevI)),t=N;break scanLoop;case Xe:switch(t){case N:t=st;break;case st:t=ct;break;case ct:break;default:throw Error(`impossible state`)}break;case k:t===ct&&this.fail(`the string "]]>" is disallowed in char data.`),t=N;break;case y:r!==void 0&&(this.text+=`${n.slice(e,this.prevI)}\n`),e=this.i,t=N;break;case v:r!==void 0&&(this.text+=n.slice(e));break scanLoop;default:t=N}this.forbiddenState=t}handleTextOutsideRoot(){let{i:e}=this,{chunk:t,textHandler:n}=this,r=!1;outRootLoop:for(;;){let a=this.getCode();switch(a){case qe:if(this.state=ue,n!==void 0){let{text:r}=this,i=t.slice(e,this.prevI);r.length===0?i.length!==0&&n(i):(n(r+i),this.text=``)}break outRootLoop;case We:this.state=w,this.entityReturnState=C,n!==void 0&&(this.text+=t.slice(e,this.prevI)),r=!0;break outRootLoop;case y:n!==void 0&&(this.text+=`${t.slice(e,this.prevI)}\n`),e=this.i;break;case v:n!==void 0&&(this.text+=t.slice(e));break outRootLoop;default:i(a)||(r=!0)}}r&&(!this.sawRoot&&!this.reportedTextBeforeRoot&&(this.fail(`text data outside of root node.`),this.reportedTextBeforeRoot=!0),this.closedRoot&&!this.reportedTextAfterRoot&&(this.fail(`text data outside of root node.`),this.reportedTextAfterRoot=!0))}pushAttribNS(e,t){var n;let{prefix:r,local:i}=this.qname(e),a={name:e,prefix:r,local:i,value:t};if(this.attribList.push(a),(n=this.attributeHandler)==null||n.call(this,a),r===`xmlns`){let e=t.trim();this.currentXMLVersion===`1.0`&&e===``&&this.fail(`invalid attempt to undefine prefix in XML 1.0`),this.topNS[i]=e,rt(this,i,e)}else if(e===`xmlns`){let e=t.trim();this.topNS[``]=e,rt(this,``,e)}}pushAttribPlain(e,t){var n;let r={name:e,value:t};this.attribList.push(r),(n=this.attributeHandler)==null||n.call(this,r)}end(){var e,t;this.sawRoot||this.fail(`document must contain a root element.`);let{tags:n}=this;for(;n.length>0;){let e=n.pop();this.fail(`unclosed tag: ${e.name}`)}this.state!==ee&&this.state!==C&&this.fail(`unexpected end.`);let{text:r}=this;return r.length!==0&&((e=this.textHandler)==null||e.call(this,r),this.text=``),this._closed=!0,(t=this.endHandler)==null||t.call(this),this._init(),this}resolve(e){var t;let n=this.topNS[e];if(n!==void 0)return n;let{tags:r}=this;for(let t=r.length-1;t>=0;t--)if(n=r[t].ns[e],n!==void 0)return n;return n=this.ns[e],n===void 0?(t=this.opt).resolvePrefix?.call(t,e):n}qname(e){let t=e.indexOf(`:`);if(t===-1)return{prefix:``,local:e};let n=e.slice(t+1),r=e.slice(0,t);return(r===``||n===``||n.includes(`:`))&&this.fail(`malformed name: ${e}.`),{prefix:r,local:n}}processAttribsNS(){let{attribList:e}=this,t=this.tag;{let{prefix:e,local:n}=this.qname(t.name);t.prefix=e,t.local=n;let r=t.uri=this.resolve(e)??``;e!==``&&(e===`xmlns`&&this.fail(`tags may not have "xmlns" as prefix.`),r===``&&(this.fail(`unbound namespace prefix: ${JSON.stringify(e)}.`),t.uri=e))}if(e.length===0)return;let{attributes:n}=t,r=new Set;for(let t of e){let{name:e,prefix:i,local:a}=t,o,s;i===``?(o=e===`xmlns`?h:``,s=e):(o=this.resolve(i),o===void 0&&(this.fail(`unbound namespace prefix: ${JSON.stringify(i)}.`),o=i),s=`{${o}}${a}`),r.has(s)&&this.fail(`duplicate attribute: 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scale(${this.scale})`,this.updateMinimap()}startPan(e){this.image.hidden||e.button!==0||e.target.closest(`.preview-toolbar, .minimap`)||(this.drag={pointerId:e.pointerId,x:e.clientX,y:e.clientY,originX:this.x,originY:this.y},this.stage.setPointerCapture(e.pointerId),this.stage.dataset.dragging=`true`)}pan(e){!this.drag||e.pointerId!==this.drag.pointerId||(this.x=this.drag.originX+e.clientX-this.drag.x,this.y=this.drag.originY+e.clientY-this.drag.y,this.updateTransform())}endPan(e){!this.drag||e.pointerId!==this.drag.pointerId||(this.drag=null,delete this.stage.dataset.dragging)}moveFromMinimap(e){if(!this.image.naturalWidth||!this.image.naturalHeight)return;let t=this.minimap.getBoundingClientRect(),n=Math.min(t.width/this.image.naturalWidth,t.height/this.image.naturalHeight),r=(t.width-this.image.naturalWidth*n)/2,i=(t.height-this.image.naturalHeight*n)/2,a=(e.clientX-t.left-r)/n,o=(e.clientY-t.top-i)/n,s=this.stage.getBoundingClientRect();this.x=s.width/2-a*this.scale,this.y=s.height/2-o*this.scale,this.updateTransform()}updateMinimap(){if(!this.image.naturalWidth||!this.image.naturalHeight)return;let e=this.stage.getBoundingClientRect(),t=this.image.naturalWidth*this.scale,n=this.image.naturalHeight*this.scale,r=this.x>=0&&this.y>=0&&this.x+t<=e.width&&this.y+n<=e.height;if(this.minimap.hidden=r,r)return;let i=this.minimap.getBoundingClientRect(),a=Math.min(i.width/this.image.naturalWidth,i.height/this.image.naturalHeight),o=(i.width-this.image.naturalWidth*a)/2,s=(i.height-this.image.naturalHeight*a)/2,c=Bw(-this.x/this.scale,0,this.image.naturalWidth),l=Bw(-this.y/this.scale,0,this.image.naturalHeight),u=Bw((e.width-this.x)/this.scale,0,this.image.naturalWidth),d=Bw((e.height-this.y)/this.scale,0,this.image.naturalHeight);this.minimapViewport.style.left=`${o+c*a}px`,this.minimapViewport.style.top=`${s+l*a}px`,this.minimapViewport.style.width=`${Math.max(4,(u-c)*a)}px`,this.minimapViewport.style.height=`${Math.max(4,(d-l)*a)}px`}},Hw=`diagram.zip:draft:local:v2`,Uw=`diagram.zip:draft:alias:v1:`,Ww=`diagram.zip:write:v1:`,Gw=new ke,Kw=new kC,qw,Jw=!1,Yw,Xw=!1,Zw=``,Q={aliasId:null,contentId:null,renderId:null,revision:null,mode:`open`,savedMode:null,writeCapability:null,savedState:null,savedSnapshot:null,bundleKey:null,keyEnvelope:null,encryptedContent:null,encryptedMetadata:null,keyEnvelopeDirty:!1,dirty:!0},Qw=new Map;document.querySelector(`#app`).innerHTML=`16481648 <main class="app-shell">16491649 <header class="app-header">16501650 <a class="brand" href="/" aria-label="New diagram"><img class="brand-mark" src="/diagram.zip/icon.svg" alt=""><span>diagram.zip</span></a>@@ -7,7 +7,7 @@
77 <meta name="description" content="Create diagrams from text and share them as a link.">88 <link rel="icon" href="/diagram.zip/icon.svg" type="image/svg+xml">99 <title>diagram.zip</title>10- <script type="module" crossorigin src="/diagram.zip/assets/index-584g8mpQ.js"></script>10+ <script type="module" crossorigin src="/diagram.zip/assets/index-DUEQ6AMT.js"></script>1111 <link rel="stylesheet" crossorigin href="/diagram.zip/assets/index-D7UQlw3g.css">1212 </head>1313 <body>