Model: gemini/gemini-3.7-flash (resolved: gemini-3.7-flash)
tell me about the svg markdown render tool
You are a coding agent working in /Users/simon/Dropbox/dev/tools on Darwin. Today's date is 2026-08-13.
You help with software engineering tasks: fixing bugs, implementing features, refactoring, and answering questions about the code. You have tools for reading, searching and editing files and for running shell commands, all confined to the directory above.
Workflow:
- Explore before you change anything: use list_files and search_files to find the relevant code, and always read_file a file before editing it.
- Prefer edit_file (exact string replacement) over write_file for existing files, and keep edits minimal - match the style, naming and conventions of the surrounding code.
- Verify your work: after making changes, run the project's tests or another relevant command with execute_command and check the result.
- If a tool returns an error, read the message and correct your approach rather than repeating the same call.
Honesty matters more than appearing successful. If tests fail, report the failure and include the relevant output. If you cannot complete something, say so plainly. If the task is ambiguous, stop and ask rather than guessing.
CodingTools({"root": "/Users/simon/dev/tools"}):-
CodingTools_edit_file:
0c5e06b0ed6d4d87987157d1ec40ff219b19c41b25aea4c08587cdce568c130f
Replace an exact string in a file.old_string must match the file contents exactly (including whitespace) and must identify a unique location unless replace_all is true. Returns a diff of the change so it can be verified.
Arguments:{"path": {"type": "string"}, "old_string": {"type": "string"}, "new_string": {"type": "string"}, "replace_all": {"default": false, "type": "boolean"}} -
CodingTools_execute_command:
87b7dfec15f45f2fe80f0e7584916a06e2e8b0765125978b0279eefe144414fe
Run a shell command in the session root directory.Returns combined stdout and stderr followed by an Exit code line. timeout is in seconds (maximum 600); on timeout the whole process tree is killed.
Arguments:{"command": {"type": "string"}, "timeout": {"default": 120, "type": "integer"}} -
CodingTools_list_files:
4d779da979d758d08d20e797ed0a3ae43dad9258acbc042a8f999eeb01d958eb
List files matching a glob pattern, newest first.Skips hidden directories, node_modules, pycache and (in a git repository) anything covered by .gitignore. Returns at most 200 paths relative to the searched directory.
Arguments:{"pattern": {"default": "**/*", "type": "string"}, "path": {"default": ".", "type": "string"}} -
CodingTools_read_file:
d952137aaa58fa9d23863195293e92e96711422b524fab58d35eac0770b821e9
Read a text file, returning numbered lines like cat -n.Paths are relative to the session root. Use offset (0-based first line) and limit (max lines) to page through files too large to read in one call.
Arguments:{"path": {"type": "string"}, "offset": {"default": 0, "type": "integer"}, "limit": {"default": 2000, "type": "integer"}} -
CodingTools_search_files:
6b947859f5aaf573042944cb27b9517d5534bf2435fd651b8388f0f9386ad263
Search file contents for a regular expression.Returns matches as path:line_number:line, capped at max_results. Use glob (e.g. "*.py") to restrict which files are searched.
Arguments:{"pattern": {"type": "string"}, "path": {"default": ".", "type": "string"}, "glob": {"default": null, "type": "string"}, "max_results": {"default": 100, "type": "integer"}} -
CodingTools_write_file:
0678eb459804f184686f58c5f9936f6d60e69b7cb5c9187596df7935383efe64
Create or overwrite a file with the given content.Parent directories are created as needed. Prefer edit_file for modifying existing files.
Arguments:{"path": {"type": "string"}, "content": {"type": "string"}}
-
- CodingTools_search_files:
call_325995
pattern:svg.*markdown|markdown.*svg|render.*svg|svg.*render
937 input, 51 output, {"candidatesTokenCount": 33, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 937}], "thoughtsTokenCount": 18, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_search_files:
call_325995TOOLS_GUIDE.md:270:Used in `ocr.html`, `svg-render.html`: dates.json:1:{"ai-adoption.html": "2025-09-08", "alt-text-extractor.html": "2025-11-13", "analytics.html": "2025-12-01", "animated-rainbow-border.html": "2024-11-03", "annotated-presentations.html": "2025-05-15", "apsw-query.html": "2025-02-06", "arena-animated.html": "2024-06-26", "ares.html": "2024-10-20", "aria-live-regions.html": "2025-01-07", "audio-spectrum.html": "2024-08-23", "avatar-web-component.html": "2025-03-24", "badge-drawer.html": "2025-09-16", "badge-repl.html": "2025-10-28", "base64-gzip-decoder.html": "2025-04-17", "bbox-cropper.html": "2024-11-12", "bluesky-faves.html": "2025-11-27", "bluesky-firehose.html": "2025-01-06", "bluesky-quote-finder.html": "2025-11-28", "bluesky-resolve.html": "2025-01-06", "bluesky-thread.html": "2025-11-28", "bluesky-timeline.html": "2024-11-20", "box-shadow.html": "2024-07-08", "broadcast-channel-chat.html": "2025-06-08", "bullish-bearish.html": "2025-07-21", "california-clock-change.html": "2025-03-10", "census-reporter-claude.html": "2025-04-04", "census-reporter-gemini.html": "2025-04-04", "chrome-prompt-playground.html": "2025-07-15", "claude-token-counter.html": "2025-10-30", "click-grid-to-expand.html": "2024-10-13", "clipboard-viewer.html": "2025-03-25", "code-with-claude-2025.html": "2025-05-22", "compare-pdfs.html": "2024-07-02", "cors-fetch.html": "2025-11-30", "css-text-wrapping.html": "2025-03-11", "csv-marker-map.html": "2024-05-02", "date-calculator.html": "2025-07-10", "deep-research-viewer.html": "2025-10-18", "devon-lanes.html": "2025-09-04", "dot.html": "2025-10-10", "emoji-identifier.html": "2025-11-13", "encrypt.html": "2025-03-07", "escape-entities.html": "2025-11-04", "event-planner.html": "2024-10-10", "exif.html": "2024-07-17", "extract-urls.html": "2024-10-15", "ffmpeg-crop.html": "2025-11-30", "flexbox-playground.html": "2025-05-24", "footnotes-experiment.html": "2025-04-08", "gemini-bbox-tool.html": "2024-08-26", "gemini-bbox.html": "2025-11-19", "gemini-chat.html": "2025-06-17", "gemini-image-json.html": "2025-05-07", "gemini-mask.html": "2025-06-17", "github-account.html": "2025-09-11", "github-api-write.html": "2024-09-20", "github-graphiql.html": "2025-10-25", "github-issue-to-markdown.html": "2025-11-29", "github-issue.html": "2025-11-29", "github-ratelimit.html": "2025-11-04", "gpt-4o-audio-player.html": "2024-12-17", "hacker-news-filtered.html": "2025-07-15", "hacker-news-histogram.html": "2025-10-10", "hacker-news-thread-export.html": "2025-04-12", "haiku.html": "2025-10-15", "hn-comments-for-user.html": "2025-08-19", "html-preview.html": "2025-04-29", "huggingface-storage.html": "2025-03-24", "icon-editor.html": "2025-10-27", "iframe-api-explorer.html": "2024-11-14", "iframe-sandbox.html": "2024-11-07", "image-resize-quality.html": "2025-09-06", "image-to-jpeg.html": "2025-07-17", "image-to-svg.html": "2024-10-06", "incomplete-json-printer.html": "2025-03-27", "index.html": "2025-10-17", "jina-embeddings-image-token-calculator.html": "2024-09-19", "jina-reader.html": "2025-02-12", "json-schema-builder.html": "2025-03-07", "json-string-extractor.html": "2025-10-18", "json-to-markdown-transcript.html": "2025-06-17", "json-to-yaml.html": "2024-12-15", "keyboard-debug.html": "2025-09-28", "keyboard-filters.html": "2025-03-18", "lightning-timer.html": "2025-04-03", "link-extractor.html": "2025-11-26", "link-temp.html": "2024-10-27", "llm-prices.html": "2025-05-07", "markdown-math.html": "2024-09-20", "mask-visualizer.html": "2025-04-18", "mdn-timelines.html": "2024-11-11", "micropython.html": "2025-09-25", "nav-for-headings.html": "2024-12-15", "new-yorker-style.html": "2025-11-27", "notes-to-markdown.html": "2025-12-01", "numpy-pyodide-lab.html": "2025-09-24", "ocr.html": "2025-09-04", "octave-explainer.html": "2025-12-01", "omit-needless-words.html": "2025-11-30", "open-sauce-2025.html": "2025-07-19", "openai-audio-output.html": "2025-10-24", "openai-audio.html": "2024-10-18", "openai-webrtc.html": "2024-12-18", "openfreemap-demo.html": "2024-09-28", "passkeys.html": "2025-04-04", "paste-html-subset.html": "2025-04-04", "paste-rich-text.html": "2025-03-07", "pdf-ocr.html": "2024-03-30", "percentage-recalculator.html": "2025-08-08", "php-deserializer.html": "2025-01-22", "pipfile.html": "2025-03-03", "pomodoro.html": "2024-08-30", "progress.html": "2025-03-18", "prompt-caching.html": "2025-10-16", "prompts-js.html": "2024-12-07", "pyodide-bar-chart.html": "2025-09-09", "qr.html": "2024-10-21", "query-string-stripper.html": "2025-10-19", "reading-time.html": "2025-06-17", "render-claude-citations.html": "2025-01-23", "render-markdown.html": "2025-04-22", "rich-text-to-markdown.html": "2025-10-10", "rtf-to-html.html": "2025-10-17", "schema-dsl.html": "2025-03-05", "side-panel-dialog.html": "2025-10-22", "sloccount.html": "2025-10-25", "social-media-cropper.html": "2025-10-22", "space-invaders-6bit-mlx-Qwen3-Coder-30B-A3B-Instruct.html": "2025-07-31", "space-invaders-GLM-4.5-Air-3bit.html": "2025-07-28", "space-invaders-gpt-oss-20b-mxfp4-medium.html": "2025-08-05", "space-invaders-qwen3-30b-a3b-thinking-2507.html": "2025-07-30", "space-invaders-xbai-o4-6bit-mlx.html": "2025-08-03", "species-observation-map.html": "2025-03-14", "speech-synthesis.html": "2025-07-22", "sql-pretty-printer.html": "2025-02-03", "sqlite-wasm.html": "2024-10-15", "svg-progressive-render.html": "2024-10-25", "svg-render.html": "2025-10-14", "svg-sandbox.html": "2024-10-26", "swagger-subset.html": "2025-03-14", "terminal-to-html.html": "2025-11-24", "text-diff.html": "2025-11-24", "text-indentation.html": "2025-10-15", "text-wrap-balance-nav.html": "2024-10-20", "tiff-orientation.html": "2024-08-26", "timezones.html": "2024-12-10", "token-usage.html": "2025-03-13", "transfer-time.html": "2025-06-07", "unix-timestamp.html": "2024-11-20", "user-agent.html": "2024-09-26", "wikipedia-wikitext.html": "2025-11-30", "word-counter.html": "2025-02-25", "writing-style.html": "2024-12-14", "xml-validator.html": "2025-11-19", "yaml-explorer.html": "2024-12-22", "youtube-thumbnails.html": "2024-09-19", "zip-wheel-explorer.html": "2024-11-19"} markdown-copy-component.html:153: btn.innerHTML = svgIcon + (this._showRaw ? ' See rendered' : ' See code'); dot.html:216: const svg = await viz.renderSVGElement(dotContent);
- CodingTools_list_files:
call_43928
pattern:*svg*
4,352 input, 35 output, {"candidatesTokenCount": 21, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 4352}], "thoughtsTokenCount": 14, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_list_files:
call_43928markdown-svg-renderer.html markdown-svg-renderer.docs.md svg-sandbox.docs.md svg-progressive-render.docs.md image-to-svg.docs.md svg-render.docs.md svg-render.html image-to-svg.html svg-progressive-render.html svg-sandbox.html
- CodingTools_read_file:
call_145960
limit:200path:
offset:markdown-svg-renderer.docs.md0
4,484 input, 121 output, {"candidatesTokenCount": 37, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 4484}], "thoughtsTokenCount": 84, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_read_file:
call_1459601 View and render markdown content with live preview. Paste markdown directly or load from a raw URL or GitHub Gist, with support for standard formatting, tables, code blocks, and SVG previews with tabbed display for rendered output and source code. Toggle between split editor and full-screen viewer modes. 2 3 <!-- Generated from commit: 7464a989637510a65316962470f55d9c2d8ad0c6 -->
- CodingTools_read_file:
call_148338
offset:0limit:200path:markdown-svg-renderer.html
4,737 input, 48 output, {"candidatesTokenCount": 35, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 4737}], "thoughtsTokenCount": 13, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_read_file:
call_1483381 <style> 2 * { 3 box-sizing: border-box; 4 } 5 6 body { 7 font-family: Helvetica, Arial, sans-serif; 8 margin: 0; 9 background: #fafafa; 10 color: #1a1a1a; 11 } 12 13 .app { 14 display: grid; 15 grid-template-columns: 1fr 1fr; 16 height: 100vh; 17 } 18 19 .app.viewer-mode { 20 grid-template-columns: minmax(0, 1fr); 21 } 22 23 .app.viewer-mode .editor-pane { 24 display: none; 25 } 26 27 .pane { 28 display: flex; 29 flex-direction: column; 30 min-width: 0; 31 } 32 33 .pane-header { 34 padding: 10px 16px; 35 font-size: 13px; 36 font-weight: bold; 37 text-transform: uppercase; 38 letter-spacing: 0.5px; 39 color: #888; 40 border-bottom: 1px solid #e2e2e2; 41 background: #fff; 42 } 43 44 .editor-pane { 45 border-right: 1px solid #e2e2e2; 46 } 47 48 .preview-header { 49 display: flex; 50 align-items: center; 51 justify-content: space-between; 52 gap: 12px; 53 } 54 55 .source-toggle { 56 display: none; 57 align-items: center; 58 justify-content: center; 59 width: 28px; 60 height: 28px; 61 border: 1px solid #e2e2e2; 62 border-radius: 6px; 63 background: #fff; 64 color: #777; 65 cursor: pointer; 66 } 67 68 .source-toggle:hover, 69 .source-toggle:focus-visible { 70 color: #2563eb; 71 border-color: #bfdbfe; 72 outline: none; 73 } 74 75 .source-toggle svg { 76 width: 16px; 77 height: 16px; 78 stroke: currentColor; 79 } 80 81 .app.has-url-content .source-toggle { 82 display: inline-flex; 83 } 84 85 .app.viewer-mode .source-toggle { 86 opacity: 0.72; 87 } 88 89 .app.viewer-mode #output { 90 max-width: 980px; 91 width: 100%; 92 margin: 0 auto; 93 } 94 95 .source-tabs { 96 display: flex; 97 gap: 4px; 98 } 99 100 .source-tabs button { 101 font-family: Helvetica, Arial, sans-serif; 102 font-size: 12px; 103 font-weight: bold; 104 text-transform: uppercase; 105 letter-spacing: 0.5px; 106 border: 1px solid #e2e2e2; 107 background: #f6f6f6; 108 color: #888; 109 padding: 4px 10px; 110 border-radius: 5px; 111 cursor: pointer; 112 } 113 114 .source-tabs button.active { 115 background: #2563eb; 116 border-color: #2563eb; 117 color: #fff; 118 } 119 120 .url-bar { 121 display: none; 122 gap: 8px; 123 padding: 12px 16px; 124 border-bottom: 1px solid #e2e2e2; 125 background: #fff; 126 } 127 128 .url-bar.active { display: flex; } 129 130 #url-input { 131 flex: 1; 132 border: 1px solid #ddd; 133 border-radius: 6px; 134 padding: 8px 10px; 135 font-family: Helvetica, Arial, sans-serif; 136 font-size: 16px; 137 outline: none; 138 } 139 140 #url-input:focus { border-color: #2563eb; } 141 142 #url-load { 143 font-family: Helvetica, Arial, sans-serif; 144 font-size: 14px; 145 border: none; 146 background: #2563eb; 147 color: #fff; 148 padding: 8px 16px; 149 border-radius: 6px; 150 cursor: pointer; 151 } 152 153 #url-status { 154 padding: 8px 16px; 155 font-size: 13px; 156 color: #888; 157 border-bottom: 1px solid #e2e2e2; 158 background: #fff; 159 display: none; 160 } 161 162 #url-status.active { display: block; } 163 #url-status.error { color: #dc2626; } 164 165 #input { 166 flex: 1; 167 border: none; 168 outline: none; 169 resize: none; 170 padding: 16px; 171 font-family: "SF Mono", Menlo, Monaco, Consolas, monospace; 172 font-size: 16px; 173 line-height: 1.5; 174 background: #fff; 175 } 176 177 #output { 178 flex: 1; 179 overflow-y: auto; 180 padding: 24px 32px; 181 line-height: 1.6; 182 } 183 184 #output h1, #output h2, #output h3, #output h4 { 185 line-height: 1.25; 186 margin-top: 1.5em; 187 margin-bottom: 0.5em; 188 } 189 190 #output h1 { font-size: 2em; border-bottom: 1px solid #e2e2e2; padding-bottom: 0.3em; } 191 #output h2 { font-size: 1.5em; border-bottom: 1px solid #e2e2e2; padding-bottom: 0.3em; } 192 #output h3 { font-size: 1.25em; } 193 194 #output p { margin: 0.8em 0; } 195 196 #output code { 197 background: #f0f0f0; 198 padding: 2px 5px; 199 border-radius: 3px; 200 font-family: "SF Mono", Menlo, Monaco, Consolas, monospace; ... 504 more lines, use offset=200 to continue
- CodingTools_read_file:
call_266867
limit:200offset:200path:markdown-svg-renderer.html
7,261 input, 62 output, {"candidatesTokenCount": 37, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 7261}], "thoughtsTokenCount": 25, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_read_file:
call_266867201 font-size: 0.9em; 202 } 203 204 #output pre { 205 background: #f6f6f6; 206 padding: 14px 16px; 207 border-radius: 6px; 208 overflow-x: auto; 209 border: 1px solid #e8e8e8; 210 } 211 212 #output pre code { 213 background: none; 214 padding: 0; 215 } 216 217 #output blockquote { 218 margin: 0.8em 0; 219 padding-left: 16px; 220 border-left: 4px solid #ddd; 221 color: #666; 222 } 223 224 #output table { 225 border-collapse: collapse; 226 margin: 1em 0; 227 } 228 229 #output th, #output td { 230 border: 1px solid #ddd; 231 padding: 6px 12px; 232 } 233 234 #output th { background: #f6f6f6; } 235 236 #output a { color: #2563eb; } 237 238 #output img { max-width: 100%; } 239 240 #output hr { 241 border: none; 242 border-top: 1px solid #e2e2e2; 243 margin: 1.5em 0; 244 } 245 246 @media (max-width: 700px) { 247 .app { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; } 248 .app.viewer-mode { grid-template-rows: 1fr; } 249 .editor-pane { border-right: none; border-bottom: 1px solid #e2e2e2; } 250 } 251 </style> 252 253 <div class="app"> 254 <div class="pane editor-pane"> 255 <div class="pane-header"> 256 <span class="source-tabs"> 257 <button id="tab-paste" class="active" type="button">Paste</button> 258 <button id="tab-url" type="button">URL</button> 259 </span> 260 </div> 261 <div class="url-bar" id="url-bar"> 262 <input id="url-input" type="url" spellcheck="false" 263 placeholder="Raw markdown URL or https://gist.github.com/..."> 264 <button id="url-load" type="button">Load</button> 265 </div> 266 <div id="url-status"></div> 267 <textarea id="input" spellcheck="false"></textarea> 268 </div> 269 <div class="pane preview-pane"> 270 <div class="pane-header preview-header"> 271 <span>Preview</span> 272 <button id="source-toggle" class="source-toggle" type="button" 273 title="Show source" aria-label="Show source" aria-pressed="false"> 274 <svg viewBox="0 0 24 24" fill="none" stroke-width="2" 275 stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"> 276 <rect x="3" y="4" width="18" height="16" rx="2"></rect> 277 <path d="M9 4v16"></path> 278 <path d="m14 9 3 3-3 3"></path> 279 </svg> 280 </button> 281 </div> 282 <div id="output"></div> 283 </div> 284 </div> 285 286 <script 287 src="https://cdn.jsdelivr.net/npm/markdown-it@14.1.1/dist/markdown-it.min.js" 288 integrity="sha384-VjNpj0uWy3ya2VFiHXeS6MxjLjWGb1mSZTNAF0xfbZguX+9CXmTkYSmOxEyUWJ9S" 289 crossorigin="anonymous"></script> 290 <script 291 src="https://cdn.jsdelivr.net/npm/dompurify@3.3.3/dist/purify.min.js" 292 integrity="sha384-pcBjnGbkyKeOXaoFkmJiuR9E08/6gkmus6/Strimnxtl3uk0Hx23v345pWyC/MMr" 293 crossorigin="anonymous"></script> 294 295 <script type="module"> 296 // ---- SVG tab web component ---- 297 function svgAspectRatio(svg) { 298 let ratio = "1 / 1"; 299 const m = svg.match(/viewBox\s*=\s*["']([\d.\s-]+)["']/i); 300 if (m) { 301 const parts = m[1].trim().split(/\s+/).map(Number); 302 if (parts.length === 4 && parts[2] > 0 && parts[3] > 0) { 303 ratio = `${parts[2]} / ${parts[3]}`; 304 } 305 } else { 306 const w = svg.match(/\bwidth\s*=\s*["']?([\d.]+)/i); 307 const h = svg.match(/\bheight\s*=\s*["']?([\d.]+)/i); 308 if (w && h && +h[1] > 0) ratio = `${+w[1]} / ${+h[1]}`; 309 } 310 return ratio; 311 } 312 313 function svgPreviewDocument(svg) { 314 return `<!doctype html> 315 <html> 316 <head> 317 <meta charset="utf-8"> 318 <style> 319 html, body { 320 width: 100%; 321 height: 100%; 322 margin: 0; 323 overflow: hidden; 324 background: #fff; 325 } 326 svg { 327 width: 100%; 328 height: 100%; 329 display: block; 330 } 331 </style> 332 </head> 333 <body>${svg}${"</" + "body>"} 334 ${"</" + "html>"}`; 335 } 336 337 class SvgBlock extends HTMLElement { 338 connectedCallback() { 339 if (this.shadowRoot) return; 340 341 const code = this.getAttribute("data-svg") || ""; 342 const shadow = this.attachShadow({ mode: "open" }); 343 344 shadow.innerHTML = ` 345 <style> 346 :host { 347 display: block; 348 max-width: 100%; 349 margin: 1em 0; 350 border: 1px solid #e2e2e2; 351 border-radius: 8px; 352 overflow: hidden; 353 font-family: Helvetica, Arial, sans-serif; 354 } 355 .tabs { 356 display: flex; 357 border-bottom: 1px solid #e2e2e2; 358 background: #f6f6f6; 359 } 360 button { 361 font-family: inherit; 362 font-size: 13px; 363 border: none; 364 background: none; 365 padding: 8px 16px; 366 cursor: pointer; 367 color: #666; 368 border-bottom: 2px solid transparent; 369 margin-bottom: -1px; 370 } 371 button.active { 372 color: #1a1a1a; 373 font-weight: bold; 374 border-bottom-color: #2563eb; 375 background: #fff; 376 } 377 .panel { display: none; } 378 .panel.active { display: block; } 379 .svg-wrap { 380 width: 100%; 381 background: #fff; 382 padding: 12px; 383 } 384 iframe { 385 display: block; 386 width: 100%; 387 height: 100%; 388 border: 0; 389 background: #fff; 390 } 391 pre { 392 margin: 0; 393 padding: 14px 16px; 394 overflow-x: auto; 395 background: #1e1e1e; 396 color: #e8e8e8; 397 font-family: "SF Mono", Menlo, Monaco, Consolas, monospace; 398 font-size: 13px; 399 line-height: 1.5; 400 } ... 304 more lines, use offset=400 to continue
- CodingTools_read_file:
call_226581
limit:200path:
offset:markdown-svg-renderer.html400
10,281 input, 61 output, {"candidatesTokenCount": 37, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 10281}], "thoughtsTokenCount": 24, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_read_file:
call_226581401 </style> 402 <div class="tabs"> 403 <button class="active" data-tab="render">Rendered</button> 404 <button data-tab="code">Code</button> 405 </div> 406 <div class="panel active" data-panel="render"> 407 <div class="svg-wrap"> 408 <iframe title="Rendered SVG" sandbox="" referrerpolicy="no-referrer"></iframe> 409 </div> 410 </div> 411 <div class="panel" data-panel="code"><pre></pre></div> 412 `; 413 414 shadow.querySelector(".svg-wrap").style.aspectRatio = svgAspectRatio(code); 415 shadow.querySelector("iframe").srcdoc = svgPreviewDocument(code); 416 shadow.querySelector("pre").textContent = code; 417 418 const buttons = shadow.querySelectorAll("button"); 419 const panels = shadow.querySelectorAll(".panel"); 420 buttons.forEach((btn) => { 421 btn.addEventListener("click", () => { 422 const tab = btn.dataset.tab; 423 buttons.forEach((b) => b.classList.toggle("active", b === btn)); 424 panels.forEach((p) => 425 p.classList.toggle("active", p.dataset.panel === tab) 426 ); 427 }); 428 }); 429 } 430 } 431 customElements.define("svg-block", SvgBlock); 432 433 // ---- Markdown rendering ---- 434 const markdownSanitizeConfig = { 435 USE_PROFILES: { html: true }, 436 ADD_ATTR: ["data-svg-id"], 437 FORBID_ATTR: ["style"], 438 FORBID_TAGS: ["style"] 439 }; 440 441 const svgSanitizeConfig = { 442 USE_PROFILES: { svg: true }, 443 FORBID_ATTR: ["href", "xlink:href", "src", "style"], 444 FORBID_TAGS: [ 445 "animate", 446 "animateMotion", 447 "animatemotion", 448 "animateTransform", 449 "animatetransform", 450 "audio", 451 "embed", 452 "foreignObject", 453 "foreignobject", 454 "iframe", 455 "image", 456 "link", 457 "object", 458 "script", 459 "set", 460 "style", 461 "use", 462 "video" 463 ] 464 }; 465 466 const md = window.markdownit({ 467 html: false, 468 linkify: false, 469 typographer: false 470 }); 471 472 // Sanitized SVG sources are stashed here and referenced by id, rather than 473 // embedded in a data- attribute: DOMPurify's SAFE_FOR_XML protection strips 474 // any attribute whose value contains strings like "</title>" or "</style>", 475 // which silently dropped legitimate SVGs during the second sanitize pass. 476 const svgStore = new Map(); 477 478 const defaultFenceRenderer = md.renderer.rules.fence; 479 md.renderer.rules.fence = (tokens, idx, options, env, self) => { 480 const token = tokens[idx]; 481 const lang = (token.info || "").trim().split(/\s+/)[0].toLowerCase(); 482 483 if (lang === "svg") { 484 const svg = window.DOMPurify.sanitize(token.content, svgSanitizeConfig).trim(); 485 if (svg) { 486 const id = String(svgStore.size); 487 svgStore.set(id, svg); 488 return `<div class="svg-block-placeholder" data-svg-id="${id}"></div>\n`; 489 } 490 } 491 492 return defaultFenceRenderer(tokens, idx, options, env, self); 493 }; 494 495 function hydrateSvgBlocks(root) { 496 root.querySelectorAll(".svg-block-placeholder[data-svg-id]").forEach((placeholder) => { 497 const svg = svgStore.get(placeholder.getAttribute("data-svg-id")); 498 if (!svg) { 499 placeholder.remove(); 500 return; 501 } 502 const block = document.createElement("svg-block"); 503 block.setAttribute("data-svg", svg); 504 placeholder.replaceWith(block); 505 }); 506 } 507 508 function renderMarkdown(src) { 509 svgStore.clear(); 510 const html = md.render(src); 511 return window.DOMPurify.sanitize(html, markdownSanitizeConfig); 512 } 513 514 const app = document.querySelector(".app"); 515 const input = document.getElementById("input"); 516 const output = document.getElementById("output"); 517 const tabPaste = document.getElementById("tab-paste"); 518 const tabUrl = document.getElementById("tab-url"); 519 const urlBar = document.getElementById("url-bar"); 520 const urlInput = document.getElementById("url-input"); 521 const urlLoad = document.getElementById("url-load"); 522 const urlStatus = document.getElementById("url-status"); 523 const sourceToggle = document.getElementById("source-toggle"); 524 525 function update() { 526 output.innerHTML = renderMarkdown(input.value); 527 hydrateSvgBlocks(output); 528 } 529 530 input.addEventListener("input", update); 531 532 function setViewerMode(enabled) { 533 app.classList.toggle("viewer-mode", enabled); 534 sourceToggle.setAttribute("aria-pressed", enabled ? "true" : "false"); 535 sourceToggle.setAttribute("aria-label", enabled ? "Show source" : "Hide source"); 536 sourceToggle.title = enabled ? "Show source" : "Hide source"; 537 } 538 539 function setUrlContentLoaded(enabled) { 540 app.classList.toggle("has-url-content", enabled); 541 if (!enabled) setViewerMode(false); 542 } 543 544 sourceToggle.addEventListener("click", () => { 545 setViewerMode(!app.classList.contains("viewer-mode")); 546 }); 547 548 // ---- Source mode switching ---- 549 function setMode(mode) { 550 const isUrl = mode === "url"; 551 tabUrl.classList.toggle("active", isUrl); 552 tabPaste.classList.toggle("active", !isUrl); 553 urlBar.classList.toggle("active", isUrl); 554 input.readOnly = isUrl; 555 input.style.background = isUrl ? "#f9f9f9" : "#fff"; 556 } 557 558 tabPaste.addEventListener("click", () => { 559 setUrlContentLoaded(false); 560 setMode("paste"); 561 input.readOnly = false; 562 input.style.background = "#fff"; 563 if (location.hash) history.pushState("", document.title, location.pathname + location.search); 564 }); 565 566 tabUrl.addEventListener("click", () => setMode("url")); 567 568 function setStatus(msg, isError) { 569 if (!msg) { 570 urlStatus.classList.remove("active", "error"); 571 urlStatus.textContent = ""; 572 return; 573 } 574 urlStatus.textContent = msg; 575 urlStatus.classList.add("active"); 576 urlStatus.classList.toggle("error", !!isError); 577 } 578 579 // Match a gist URL and capture the gist id (the long hex segment). 580 const gistRe = /^https?:\/\/gist\.github\.com\/(?:[^/]+\/)?([0-9a-f]+)/i; 581 582 function normalizeSourceUrl(rawUrl) { 583 let parsed; 584 try { 585 parsed = new URL(rawUrl.trim()); 586 } catch { 587 throw new Error("Enter a valid URL"); 588 } 589 if (parsed.protocol !== "http:" && parsed.protocol !== "https:") { 590 throw new Error("Only http and https URLs are supported"); 591 } 592 return parsed.href; 593 } 594 595 async function fetchSource(url) { 596 const sourceUrl = normalizeSourceUrl(url); 597 const gistMatch = gistRe.exec(sourceUrl); 598 if (gistMatch) { 599 const id = gistMatch[1]; 600 const res = await fetch(`https://api.github.com/gists/${id}`); ... 104 more lines, use offset=600 to continue
- CodingTools_read_file:
call_360767
offset:600path:
limit:markdown-svg-renderer.html120
13,163 input, 54 output, {"candidatesTokenCount": 37, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 13163}], "thoughtsTokenCount": 17, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_read_file:
call_360767601 if (!res.ok) throw new Error(`Gist API returned ${res.status}`); 602 const data = await res.json(); 603 const files = data.files || {}; 604 const names = Object.keys(files); 605 if (!names.length) throw new Error("Gist contains no files"); 606 const first = files[names[0]]; 607 // The API truncates large files; fall back to raw_url if so. 608 if (first.truncated && first.raw_url) { 609 const raw = await fetch(first.raw_url); 610 if (!raw.ok) throw new Error(`Raw fetch returned ${raw.status}`); 611 return await raw.text(); 612 } 613 return first.content; 614 } 615 // Plain raw markdown URL. 616 const res = await fetch(sourceUrl); 617 if (!res.ok) throw new Error(`Fetch returned ${res.status}`); 618 return await res.text(); 619 } 620 621 async function loadFromUrl(url, recordHash) { 622 setMode("url"); 623 urlInput.value = url; 624 setStatus("Loading…"); 625 try { 626 const text = await fetchSource(url); 627 input.value = text; 628 update(); 629 setStatus(""); 630 setUrlContentLoaded(true); 631 setViewerMode(true); 632 if (recordHash) { 633 const newHash = "#url=" + encodeURIComponent(url); 634 if (location.hash !== newHash) { 635 history.pushState({ url }, "", newHash); 636 } 637 } 638 } catch (err) { 639 setStatus("Error: " + err.message, true); 640 } 641 } 642 643 urlLoad.addEventListener("click", () => { 644 const url = urlInput.value.trim(); 645 if (url) loadFromUrl(url, true); 646 }); 647 648 urlInput.addEventListener("keydown", (e) => { 649 if (e.key === "Enter") { 650 e.preventDefault(); 651 urlLoad.click(); 652 } 653 }); 654 655 // ---- Fragment-based load on startup / navigation ---- 656 function urlFromHash() { 657 const m = /^#url=(.+)$/.exec(location.hash); 658 return m ? decodeURIComponent(m[1]) : null; 659 } 660 661 window.addEventListener("popstate", () => { 662 const url = urlFromHash(); 663 if (url) { 664 loadFromUrl(url, false); 665 } 666 }); 667 668 const sample = `# Markdown renderer 669 670 Paste **markdown** here and watch it render on the right. 671 672 ## Features 673 674 - Headings, *emphasis*, and \`inline code\` 675 - Lists, tables, blockquotes 676 - Standard \`\`\`code\`\`\` blocks 677 - Special SVG blocks with tabs 678 - Load from a raw markdown URL or a Gist 679 680 > SVG fenced blocks render as a tabbed component. 681 682 \`\`\`svg 683 <svg viewBox="0 0 200 120" xmlns="http://www.w3.org/2000/svg"> 684 <rect x="0" y="0" width="200" height="120" fill="#2563eb"/> 685 <circle cx="100" cy="60" r="40" fill="#fbbf24"/> 686 <text x="100" y="66" text-anchor="middle" font-family="Helvetica" font-size="18" fill="#1a1a1a">SVG</text> 687 </svg> 688 \`\`\` 689 690 | Feature | Supported | 691 |---------|-----------| 692 | Tables | Yes | 693 | SVG tabs| Yes | 694 `; 695 696 // On load: if a URL is in the fragment, switch to URL tab and load it. 697 const startupUrl = urlFromHash(); 698 if (startupUrl) { 699 loadFromUrl(startupUrl, false); 700 } else { 701 input.value = sample; 702 update(); 703 } 704 </script>
- CodingTools_read_file:
call_100785
offset:0limit:100path:svg-render.docs.md
14,667 input, 100 output, {"candidatesTokenCount": 35, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 14667}], "thoughtsTokenCount": 65, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_read_file:
call_1007851 Convert SVG images to JPEG or PNG format with customizable dimensions, padding, and background colors. The tool allows you to paste SVG code directly, upload SVG files via drag-and-drop, or load SVG images from URLs, then instantly previews the converted result and provides download and base64 embedding options. URL hashes preserve your work for easy sharing and recovery. 2 3 <!-- Generated from commit: aa44951cdb23b63465877c5f7787f09c83874276 -->
- CodingTools_list_files:
call_181009
pattern:*render-markdown*
14,910 input, 38 output, {"candidatesTokenCount": 23, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 14910}], "thoughtsTokenCount": 15, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_list_files:
call_181009render-markdown.html render-markdown.docs.md
- CodingTools_read_file:
call_354984
path:
limit:render-markdown.docs.md100offset:0
14,977 input, 48 output, {"candidatesTokenCount": 35, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 14977}], "thoughtsTokenCount": 13, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_read_file:
call_3549841 Convert markdown text to HTML using GitHub's markdown rendering API. The tool provides a live preview of the rendered output and allows you to copy the generated HTML or rich text to your clipboard. Additional options include GitHub Flavored Markdown support and automatic cleanup of hidden HTML elements and metadata. 2 3 <!-- Generated from commit: 91bfd29ff0279ad7e7666b1f6047ab571007990c -->
Defining the Project Scope
Okay, I've got a solid grasp of markdown-svg-renderer.html. I'm focusing on structuring a complete response. I'm starting by establishing a clear overview. I'm defining the tool, which is a live Markdown viewer and editor.
The SVG Markdown Renderer (markdown-svg-renderer.html) is an in-browser tool designed to view and edit Markdown documents that contain embedded SVG code blocks.
When Markdown contains fenced code blocks tagged with ```svg, the tool transforms them into a custom web component (<svg-block>) that gives the user two interactive tabs:
- Rendered: Displays the live rendered graphic.
- Code: Displays the raw SVG source code with syntax formatting.
The SVG container automatically calculates and applies the correct aspect ratio by parsing the viewBox or width/height attributes.
To prevent XSS and malicious scripts from executing within SVG blocks:
- DOMPurify Sanitization: Markdown output and SVG code are sanitized separately. Disallowed SVG elements and attributes (such as
<script>,<foreignObject>,<animate>,<use>,href,style, etc.) are stripped out. - Sandboxed
<iframe>: The rendered SVG is isolated inside a sandboxed iframe (sandbox="" referrerpolicy="no-referrer"). - Two-Pass Hydration: Sanitized SVGs are held in an in-memory store (
svgStore) during Markdown compilation and hydrated into the DOM as custom elements, avoiding DOMPurify issues with raw SVG code embedded in data attributes.
- Paste Mode: A split-screen layout with an interactive plain-text editor on the left and a live-updating rendered preview on the right.
- URL / Gist Mode: Load Markdown directly from:
- Any raw HTTP/HTTPS Markdown URL.
- GitHub Gist links (automatically resolves the Gist ID via GitHub's API and handles truncated files).
- Deep-linking support via URL hash fragments (
#url=https://...), allowing shareable direct links.
- Loading content via URL opens directly in Viewer Mode (a clean, full-width document reading view).
- A toggle button in the header allows expanding or collapsing the source editor pane at any time.
markdown-it(v14.1.1) for standard Markdown parsing (tables, lists, blockquotes, code blocks).DOMPurify(v3.3.3) for client-side HTML and SVG sanitization.
15,151 input, 942 output, {"candidatesTokenCount": 540, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 15151}], "thoughtsTokenCount": 402, "serviceTier": "standard"}
I want it to also treat a ```xml block as SVG if that block starts with <svg and ends with (after trimming whitespace)
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_read_file:
call_267502
limit:50path:
offset:markdown-svg-renderer.html470
15,871 input, 86 output, {"candidatesTokenCount": 36, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 15871}], "thoughtsTokenCount": 50, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_read_file:
call_267502471 472 // Sanitized SVG sources are stashed here and referenced by id, rather than 473 // embedded in a data- attribute: DOMPurify's SAFE_FOR_XML protection strips 474 // any attribute whose value contains strings like "</title>" or "</style>", 475 // which silently dropped legitimate SVGs during the second sanitize pass. 476 const svgStore = new Map(); 477 478 const defaultFenceRenderer = md.renderer.rules.fence; 479 md.renderer.rules.fence = (tokens, idx, options, env, self) => { 480 const token = tokens[idx]; 481 const lang = (token.info || "").trim().split(/\s+/)[0].toLowerCase(); 482 483 if (lang === "svg") { 484 const svg = window.DOMPurify.sanitize(token.content, svgSanitizeConfig).trim(); 485 if (svg) { 486 const id = String(svgStore.size); 487 svgStore.set(id, svg); 488 return `<div class="svg-block-placeholder" data-svg-id="${id}"></div>\n`; 489 } 490 } 491 492 return defaultFenceRenderer(tokens, idx, options, env, self); 493 }; 494 495 function hydrateSvgBlocks(root) { 496 root.querySelectorAll(".svg-block-placeholder[data-svg-id]").forEach((placeholder) => { 497 const svg = svgStore.get(placeholder.getAttribute("data-svg-id")); 498 if (!svg) { 499 placeholder.remove(); 500 return; 501 } 502 const block = document.createElement("svg-block"); 503 block.setAttribute("data-svg", svg); 504 placeholder.replaceWith(block); 505 }); 506 } 507 508 function renderMarkdown(src) { 509 svgStore.clear(); 510 const html = md.render(src); 511 return window.DOMPurify.sanitize(html, markdownSanitizeConfig); 512 } 513 514 const app = document.querySelector(".app"); 515 const input = document.getElementById("input"); 516 const output = document.getElementById("output"); 517 const tabPaste = document.getElementById("tab-paste"); 518 const tabUrl = document.getElementById("tab-url"); 519 const urlBar = document.getElementById("url-bar"); 520 const urlInput = document.getElementById("url-input"); ... 184 more lines, use offset=520 to continue
- CodingTools_list_files:
call_168818
pattern:*test*
16,743 input, 96 output, {"candidatesTokenCount": 21, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 16743}], "thoughtsTokenCount": 75, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_list_files:
call_168818test_microquickjs.py
- CodingTools_search_files:
call_130152
pattern:markdown-svg-renderer
16,862 input, 40 output, {"candidatesTokenCount": 23, "cachedContentTokenCount": 12148, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 16862}], "cacheTokensDetails": [{"modality": "TEXT", "tokenCount": 12148}], "thoughtsTokenCount": 17, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_search_files:
call_130152No matches found for markdown-svg-renderer in .
- CodingTools_execute_command:
call_202475
command:git status
16,929 input, 39 output, {"candidatesTokenCount": 20, "cachedContentTokenCount": 12142, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 16929}], "cacheTokensDetails": [{"modality": "TEXT", "tokenCount": 12142}], "thoughtsTokenCount": 19, "serviceTier": "standard"}
-- none --
CodingTools({"root": "/Users/simon/dev/tools"}):- CodingTools_edit_file:
0c5e06b - CodingTools_execute_command:
87b7dfe - CodingTools_list_files:
4d779da - CodingTools_read_file:
d952137 - CodingTools_search_files:
6b94785 - CodingTools_write_file:
0678eb4
- CodingTools_edit_file:
- CodingTools_execute_command:
call_202475On branch main Your branch is up to date with 'origin/main'. Changes not staged for commit: (use "git add <file>..." to update what will be committed) (use "git restore <file>..." to discard changes in working directory) modified: image-resize-quality.html Untracked files: (use "git add <file>..." to include in what will be committed) .playwright-mcp/ no changes added to commit (use "git add" and/or "git commit -a") Exit code: 0
Analyzing Code Logic
I'm currently focused on the markdown-svg-renderer.html logic, specifically how it identifies SVG blocks. I've been dissecting the conditional logic that determines if a code block is treated as an SVG. It seems to hinge on the lang attribute, checking if it's "svg" directly, or "xml" with some additional content checks. I'm exploring the implications of these conditions.
Refining Conditional Logic
I'm now diving deeper into the case sensitivity aspect. My current focus is refining the SVG block detection logic within the markdown-svg-renderer.html file. Specifically, I am reviewing how startsWith("<svg") and endsWith("</svg>") are implemented in the code. I'm wondering if case-insensitivity should be considered during that checks, to accommodate variations like <svg or <SVG>. The current approach seems to be case-sensitive, which might need adjustment to handle all SVG variations.
- CodingTools_edit_file:
call_250672
path:
old_string:markdown-svg-renderer.html
new_string:const defaultFenceRenderer = md.renderer.rules.fence; md.renderer.rules.fence = (tokens, idx, options, env, self) => { const token = tokens[idx]; const lang = (token.info || "").trim().split(/\s+/)[0].toLowerCase(); if (lang === "svg") { const svg = window.DOMPurify.sanitize(token.content, svgSanitizeConfig).trim(); if (svg) { const id = String(svgStore.size); svgStore.set(id, svg); return `<div class="svg-block-placeholder" data-svg-id="${id}"></div>\n`; } } return defaultFenceRenderer(tokens, idx, options, env, self); };const defaultFenceRenderer = md.renderer.rules.fence; md.renderer.rules.fence = (tokens, idx, options, env, self) => { const token = tokens[idx]; const lang = (token.info || "").trim().split(/\s+/)[0].toLowerCase(); const trimmed = token.content.trim(); const isSvg = lang === "svg" || (lang === "xml" && trimmed.startsWith("<svg") && trimmed.endsWith("</svg>")); if (isSvg) { const svg = window.DOMPurify.sanitize(token.content, svgSanitizeConfig).trim(); if (svg) { const id = String(svgStore.size); svgStore.set(id, svg); return `<div class="svg-block-placeholder" data-svg-id="${id}"></div>\n`; } } return defaultFenceRenderer(tokens, idx, options, env, self); };
17,116 input, 1,265 output, {"candidatesTokenCount": 442, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 17116}], "thoughtsTokenCount": 823, "serviceTier": "standard"}
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call_250672Made 1 replacement in markdown-svg-renderer.html: --- markdown-svg-renderer.html (before) +++ markdown-svg-renderer.html (after) @@ -480,6 +480,8 @@ const token = tokens[idx]; const lang = (token.info || "").trim().split(/\s+/)[0].toLowerCase(); - - if (lang === "svg") { + const trimmed = token.content.trim(); + const isSvg = lang === "svg" || (lang === "xml" && trimmed.startsWith("<svg") && trimmed.endsWith("</svg>")); + + if (isSvg) { const svg = window.DOMPurify.sanitize(token.content, svgSanitizeConfig).trim(); if (svg) {
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command:git diff markdown-svg-renderer.html
18,582 input, 38 output, {"candidatesTokenCount": 27, "cachedContentTokenCount": 16189, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 18582}], "cacheTokensDetails": [{"modality": "TEXT", "tokenCount": 16189}], "thoughtsTokenCount": 11, "serviceTier": "standard"}
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call_203353diff --git a/markdown-svg-renderer.html b/markdown-svg-renderer.html index f0fe4e3..2a3024b 100644 --- a/markdown-svg-renderer.html +++ b/markdown-svg-renderer.html @@ -479,8 +479,10 @@ const defaultFenceRenderer = md.renderer.rules.fence; md.renderer.rules.fence = (tokens, idx, options, env, self) => { const token = tokens[idx]; const lang = (token.info || "").trim().split(/\s+/)[0].toLowerCase(); + const trimmed = token.content.trim(); + const isSvg = lang === "svg" || (lang === "xml" && trimmed.startsWith("<svg") && trimmed.endsWith("</svg>")); - if (lang === "svg") { + if (isSvg) { const svg = window.DOMPurify.sanitize(token.content, svgSanitizeConfig).trim(); if (svg) { const id = String(svgStore.size); Exit code: 0
I have updated markdown-svg-renderer.html so that ```xml code blocks are also treated and rendered as interactive SVG blocks if their content (after trimming whitespace) starts with <svg and ends with </svg>.
In the custom fence renderer:
const token = tokens[idx];
const lang = (token.info || "").trim().split(/\s+/)[0].toLowerCase();
const trimmed = token.content.trim();
const isSvg = lang === "svg" || (lang === "xml" && trimmed.startsWith("<svg") && trimmed.endsWith("</svg>"));
if (isSvg) {
const svg = window.DOMPurify.sanitize(token.content, svgSanitizeConfig).trim();
// ... creates SVG block placeholder ...
}Any ```xml block containing an SVG root element will now display with the tabbed preview/code component, while other XML code blocks will continue to render as standard code fences.
18,902 input, 367 output, {"candidatesTokenCount": 222, "cachedContentTokenCount": 16184, "promptTokensDetails": [{"modality": "TEXT", "tokenCount": 18902}], "cacheTokensDetails": [{"modality": "TEXT", "tokenCount": 16184}], "thoughtsTokenCount": 145, "serviceTier": "standard"}