feat: decouple preview localhost resolving on runtime (#21)

wey-gu · web-flow · commit 7a1e7579dff1 · 2023-05-11T07:02:23.000+02:00
diff --git a/src/view/PreviewProvider.ts b/src/view/PreviewProvider.ts
@@ -62,8 +62,14 @@ export class PreviewProvider implements WebviewViewProvider {
         }
       }
     })
+    
+    let serverAddr = `http://127.0.0.1:${config.port}/`
 
-    const serverAddr = `http://localhost:${config.port}/`
+    const indexUrl = `${serverAddr}index.html`
+    const resolvedBody = await got.get(indexUrl, { responseType: 'text', resolveBodyOnly: true }).catch(() => null)
+    if (!resolvedBody) {
+      serverAddr = `http://[::1]:${config.port}/`
+    }
     const url = `${serverAddr}${idx}?embedded=true`
 
     this.view.webview.html = `

Original file line number	Diff line number	Diff line change
`@@ -62,8 +62,14 @@ export class PreviewProvider implements WebviewViewProvider {`
`62`	`62`	`}`
`63`	`63`	`}`
`64`	`64`	`})`
	`65`	`+`
	`66`	+ let serverAddr = `http://127.0.0.1:${config.port}/`
`65`	`67`
`66`		- const serverAddr = `http://localhost:${config.port}/`
	`68`	+ const indexUrl = `${serverAddr}index.html`
	`69`	`+ const resolvedBody = await got.get(indexUrl, { responseType: 'text', resolveBodyOnly: true }).catch(() => null)`
	`70`	`+ if (!resolvedBody) {`
	`71`	+ serverAddr = `http://[::1]:${config.port}/`
	`72`	`+ }`
`67`	`73`	const url = `${serverAddr}${idx}?embedded=true`
`68`	`74`
`69`	`75`	this.view.webview.html = `