Fix Windows directory creation error in runner.js by using analyzePath

Copilot · TomeHirata · Copilot · commit f34b16658046 · 2025-12-04T07:18:09.000Z
Co-authored-by: TomeHirata &lt;33407409+TomeHirata@users.noreply.github.com&gt;
diff --git a/dspy/primitives/runner.js b/dspy/primitives/runner.js
@@ -42,11 +42,12 @@ for await (const line of readLines(Deno.stdin)) {
           for (const d of dirs) {
               cur += '/' + d;
               try {
-                  pyodide.FS.mkdir(cur);
-              } catch (e) {
-                  if (!(e && e.message && e.message.includes('File exists'))) {
-                      console.log("[DEBUG] Error creating directory in Pyodide file system:", cur, "|", e.message);
+                  const pathInfo = pyodide.FS.analyzePath(cur);
+                  if (!pathInfo.exists) {
+                      pyodide.FS.mkdir(cur);
                   }
+              } catch (e) {
+                  console.log("[DEBUG] Error creating directory in Pyodide file system:", cur, "|", e.message);
               }
           }
           pyodide.FS.writeFile(virtualPath, contents);

Original file line number	Diff line number	Diff line change
`@@ -42,11 +42,12 @@ for await (const line of readLines(Deno.stdin)) {`
`42`	`42`	`for (const d of dirs) {`
`43`	`43`	`cur += '/' + d;`
`44`	`44`	`try {`
`45`		`- pyodide.FS.mkdir(cur);`
`46`		`- } catch (e) {`
`47`		`- if (!(e && e.message && e.message.includes('File exists'))) {`
`48`		`- console.log("[DEBUG] Error creating directory in Pyodide file system:", cur, "\|", e.message);`
	`45`	`+ const pathInfo = pyodide.FS.analyzePath(cur);`
	`46`	`+ if (!pathInfo.exists) {`
	`47`	`+ pyodide.FS.mkdir(cur);`
`49`	`48`	`}`
	`49`	`+ } catch (e) {`
	`50`	`+ console.log("[DEBUG] Error creating directory in Pyodide file system:", cur, "\|", e.message);`
`50`	`51`	`}`
`51`	`52`	`}`
`52`	`53`	`pyodide.FS.writeFile(virtualPath, contents);`