helper to convert file:// to path (#1399)

* helper to convert file:// to path

* ♻️ Refactor path utility creation in testhost.ts

Replaced inline createNodePath implementation with module import.

Author: pelikhan

packages/cli/src/nodehost.ts

@@ -9,7 +9,7 @@ import { glob } from "glob"
 import { debug as debug_, error, info, warn } from "./log"
 import { execa } from "execa"
 import { join } from "node:path"
-import { createNodePath } from "./nodepath"
+import { createNodePath } from "../../core/src/path"
 import { DockerManager } from "./docker"
 import { createWorkspaceFileSystem } from "../../core/src/workspace"
 import { filterGitIgnore } from "../../core/src/gitignore"

packages/cli/src/nodepath.ts packages/core/src/path.tspackages/cli/src/nodepath.ts renamed to packages/core/src/path.ts

@@ -9,6 +9,7 @@ import {
     isAbsolute,
 } from "node:path"
 import { changeext } from "../../core/src/fs"
+import { fileURLToPath } from "node:url"
 
 /**
  * Creates a frozen object that provides various path manipulation functions.
@@ -30,5 +31,6 @@ export function createNodePath(): Path {
         resolve, // Resolve a sequence of paths to an absolute path
         isAbsolute, // Check if a path is absolute
         changeext,
-    })
+        resolveFileURL: fileURLToPath,
+    } satisfies Path)
 }

packages/core/src/testhost.ts

@@ -11,7 +11,6 @@ import {
     UTF8Encoder,
     setRuntimeHost,
     RuntimeHost,
-    AzureTokenResolver,
     ModelConfigurations,
     ModelConfiguration,
 } from "./host"
@@ -37,22 +36,7 @@ import {
 import { defaultModelConfigurations } from "./llms"
 import { CancellationToken } from "./cancellation"
 import { changeext } from "./fs"
-
-// Function to create a frozen object representing Node.js path methods
-// This object provides utility methods for path manipulations
-export function createNodePath(): Path {
-    return Object.freeze({
-        dirname,
-        extname,
-        basename,
-        join,
-        normalize,
-        relative,
-        resolve,
-        isAbsolute,
-        changeext,
-    })
-}
+import { createNodePath } from "./path"
 
 // Class representing a test host for runtime, implementing the RuntimeHost interface
 export class TestHost implements RuntimeHost {

packages/core/src/types/prompt_template.d.ts

@@ -1827,6 +1827,12 @@ interface Path {
      * @param ext
      */
     changeext(path: string, ext: string): string
+
+    /**
+     * Converts a file://... to a path
+     * @param fileUrl 
+     */
+    resolveFileURL(fileUrl: string): string
 }
 
 interface Fenced {

packages/sample/genaisrc/local-file.genai.mjs

@@ -0,0 +1,11 @@
+script({ model: "echo" })
+
+const __filename = path.resolveFileURL(import.meta.url)
+const __dirname = path.dirname(__filename)
+
+console.log("Current file path:", __filename)
+console.log("Current directory:", __dirname)
+const langgraph = await workspace.readText(path.join(__dirname, "langgraph.md"))
+
+console.log(`langgraph.md content: ${langgraph.content.length}`)
+if (!langgraph) throw new Error("Failed to read langgraph.md")

packages/vscode/src/vshost.ts

@@ -1,10 +1,9 @@
 import * as vscode from "vscode"
-import { createVSPath } from "./vspath"
+import { createNodePath } from "../../core/src/path"
 import { TerminalServerManager } from "./servermanager"
 import { Uri } from "vscode"
 import { ExtensionState } from "./state"
 import { Utils } from "vscode-uri"
-import { checkFileExists, readFileText } from "./fs"
 import { filterGitIgnore } from "../../core/src/gitignore"
 import { setHost, Host } from "../../core/src/host"
 import { TraceOptions } from "../../core/src/trace"
@@ -18,7 +17,7 @@ import {
 
 export class VSCodeHost extends EventTarget implements Host {
     userState: any = {}
-    readonly path = createVSPath()
+    readonly path = createNodePath()
     readonly server: TerminalServerManager
     constructor(readonly state: ExtensionState) {
         super()