feat: inject home directory into runtimes. (#424)

* feat: add workspace.fs.getUserHomeDir for expanding ~

* fix: avoid undefined assertion

Co-authored-by: Justin M. Keyes <[email protected]>

* refactor: use default home dir

* refactor: join server name to serverPath on web

---------

Co-authored-by: Justin M. Keyes <[email protected]>

Author: Hweinstock

runtimes/runtimes/base-runtime.ts

@@ -79,6 +79,7 @@ import { Service } from 'aws-sdk'
 import { ServiceConfigurationOptions } from 'aws-sdk/lib/service'
 import { getClientInitializeParamsHandlerFactory } from './util/lspCacheUtil'
 import { newAgent } from './agent'
+import { join } from 'path'
 
 declare const self: WindowOrWorkerGlobalScope
 
@@ -107,6 +108,7 @@ export const baseRuntime = (connections: { reader: MessageReader; writer: Messag
     }
 
     // Set up the workspace to use the LSP Text Documents component
+    const defaultHomeDir = '/home/user'
     const workspace: Workspace = {
         getTextDocument: async uri => documents.get(uri),
         getAllTextDocuments: async () => documents.all(),
@@ -116,8 +118,13 @@ export const baseRuntime = (connections: { reader: MessageReader; writer: Messag
             copyFile: (_src, _dest, _options?) => Promise.resolve(),
             exists: _path => Promise.resolve(false),
             getFileSize: _path => Promise.resolve({ size: 0 }),
-            getServerDataDirPath: _serverName => '',
+            getServerDataDirPath: serverName =>
+                join(
+                    lspRouter.clientInitializeParams?.initializationOptions?.aws?.clientDataFolder ?? defaultHomeDir,
+                    serverName
+                ),
             getTempDirPath: () => '/tmp',
+            getUserHomeDir: () => defaultHomeDir,
             readFile: (_path, _options?) => Promise.resolve(''),
             readdir: _path => Promise.resolve([]),
             isFile: _path => Promise.resolve(false),

runtimes/runtimes/standalone.ts

@@ -213,6 +213,7 @@ export const standalone = (props: RuntimeProps) => {
                         os.type() === 'Darwin' ? '/tmp' : os.tmpdir(),
                         'aws-language-servers'
                     ),
+                getUserHomeDir: () => os.homedir(),
                 readdir: path => readdir(path, { withFileTypes: true }),
                 readFile: (path, options?) =>
                     readFile(path, { encoding: (options?.encoding || 'utf-8') as BufferEncoding }),

runtimes/server-interface/workspace.ts

@@ -32,6 +32,7 @@ export type Workspace = {
         getFileSize: (path: string) => Promise<{ size: number }>
         getServerDataDirPath: (serverName: string) => string
         getTempDirPath: () => string
+        getUserHomeDir: () => string
         /**
          * Reads the contents of a directory.
          * @param {string} path - The path to the directory.