fix: correct dataflow debug vis (#7050)

vega · Nov 18, 2020 · 3467506 · 3467506
1 parent fb12778
commit 3467506
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/src/compile/data/debug.ts b/src/compile/data/debug.ts
@@ -23,9 +23,10 @@ export function printDebugDataflow(node: DataFlowNode) {
 export function drawDataflow(roots: readonly DataFlowNode[], size = 500) {
   const dot = dotString(roots);
   const text = new TextEncoder().encode(dot);
-  const compressed = pako.deflate(text, {level: 9, to: 'string'});
-  const result = btoa(compressed).replace(/\+/g, '-').replace(/\//g, '_');
-  const imageURL = `https://kroki.io/plantuml/png/${result}`;
+  const compressed = pako.deflate(text, {level: 9});
+  const result = Buffer.from(compressed).toString('base64').replace(/\+/g, '-').replace(/\//g, '_');
+  const imageURL = `https://kroki.io/graphviz/png/${result}`;
+  console.log('Dataflow visualization: ', imageURL);
   console.log('%c ', `font-size:${size}px; background:url(${imageURL}) no-repeat; background-size:contain`);
 }